Previously, the hidepid parameter was checked by comparing literal
integers 0, 1, 2. Let's add a proper enum for this, to make the
checking more expressive:
0 → HIDEPID_OFF
1 → HIDEPID_NO_ACCESS
2 → HIDEPID_INVISIBLE
This changes the internal labelling only, the userspace-facing interface
remains unmodified, and still works with literal integers 0, 1, 2.
No functional changes.
Link: http://lkml.kernel.org/r/1484572984-13388-2-git-send-email-djalal@gmail.com
Signed-off-by: Lafcadio Wluiki <wluikil@gmail.com>
Signed-off-by: Djalal Harouni <tixxdz@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Per memcg slab accounting and kasan have a problem with kmem_cache
destruction.
- kmem_cache_create() allocates a kmem_cache, which is used for
allocations from processes running in root (top) memcg.
- Processes running in non root memcg and allocating with either
__GFP_ACCOUNT or from a SLAB_ACCOUNT cache use a per memcg
kmem_cache.
- Kasan catches use-after-free by having kfree() and kmem_cache_free()
defer freeing of objects. Objects are placed in a quarantine.
- kmem_cache_destroy() destroys root and non root kmem_caches. It takes
care to drain the quarantine of objects from the root memcg's
kmem_cache, but ignores objects associated with non root memcg. This
causes leaks because quarantined per memcg objects refer to per memcg
kmem cache being destroyed.
To see the problem:
1) create a slab cache with kmem_cache_create(,,,SLAB_ACCOUNT,)
2) from non root memcg, allocate and free a few objects from cache
3) dispose of the cache with kmem_cache_destroy() kmem_cache_destroy()
will trigger a "Slab cache still has objects" warning indicating
that the per memcg kmem_cache structure was leaked.
Fix the leak by draining kasan quarantined objects allocated from non
root memcg.
Racing memcg deletion is tricky, but handled. kmem_cache_destroy() =>
shutdown_memcg_caches() => __shutdown_memcg_cache() => shutdown_cache()
flushes per memcg quarantined objects, even if that memcg has been
rmdir'd and gone through memcg_deactivate_kmem_caches().
This leak only affects destroyed SLAB_ACCOUNT kmem caches when kasan is
enabled. So I don't think it's worth patching stable kernels.
Link: http://lkml.kernel.org/r/1482257462-36948-1-git-send-email-gthelen@google.com
Signed-off-by: Greg Thelen <gthelen@google.com>
Reviewed-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 31bc3858ea ("add automatic onlining policy for the newly added
memory") provides the capability to have added memory automatically
onlined during add, but this appears to be slightly broken.
The current implementation uses walk_memory_range() to call
online_memory_block, which uses memory_block_change_state() to online
the memory. Instead, we should be calling device_online() for the
memory block in online_memory_block(). This would online the memory
(the memory bus online routine memory_subsys_online() called from
device_online calls memory_block_change_state()) and properly update the
device struct offline flag.
As a result of the current implementation, attempting to remove a memory
block after adding it using auto online fails. This is because doing a
remove, for instance
echo offline > /sys/devices/system/memory/memoryXXX/state
uses device_offline() which checks the dev->offline flag.
Link: http://lkml.kernel.org/r/20170222220744.8119.19687.stgit@ltcalpine2-lp14.aus.stglabs.ibm.com
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove the prototypes for shmem_mapping() and shmem_zero_setup() from
linux/mm.h, since they are already provided in linux/shmem_fs.h. But
shmem_fs.h must then provide the inline stub for shmem_mapping() when
CONFIG_SHMEM is not set, and a few more cfiles now need to #include it.
Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1702081658250.1549@eggly.anvils
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Without this KSM will consider the page write protected, but a numa
fault can later mark the page writable. This can result in memory
corruption.
Link: http://lkml.kernel.org/r/1487498625-10891-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Numabalancing preserve write fix", v2.
This patch series address an issue w.r.t THP migration and autonuma
preserve write feature. migrate_misplaced_transhuge_page() cannot deal
with concurrent modification of the page. It does a page copy without
following the migration pte sequence. IIUC, this was done to keep the
migration simpler and at the time of implemenation we didn't had THP
page cache which would have required a more elaborate migration scheme.
That means thp autonuma migration expect the protnone with saved write
to be done such that both kernel and user cannot update the page
content. This patch series enables archs like ppc64 to do that. We are
good with the hash translation mode with the current code, because we
never create a hardware page table entry for a protnone pte.
This patch (of 2):
Autonuma preserves the write permission across numa fault to avoid
taking a writefault after a numa fault (Commit: b191f9b106 " mm: numa:
preserve PTE write permissions across a NUMA hinting fault").
Architecture can implement protnone in different ways and some may
choose to implement that by clearing Read/ Write/Exec bit of pte.
Setting the write bit on such pte can result in wrong behaviour. Fix
this up by allowing arch to override how to save the write bit on a
protnone pte.
[aneesh.kumar@linux.vnet.ibm.com: don't mark pte saved write in case of dirty_accountable]
Link: http://lkml.kernel.org/r/1487942884-16517-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com
[aneesh.kumar@linux.vnet.ibm.com: v3]
Link: http://lkml.kernel.org/r/1487498625-10891-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1487050314-3892-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Michael Neuling <mikey@neuling.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <michaele@au1.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If madvise(2) advice will result in the underlying vma being split and
the number of areas mapped by the process will exceed
/proc/sys/vm/max_map_count as a result, return ENOMEM instead of EAGAIN.
EAGAIN is returned by madvise(2) when a kernel resource, such as slab,
is temporarily unavailable. It indicates that userspace should retry
the advice in the near future. This is important for advice such as
MADV_DONTNEED which is often used by malloc implementations to free
memory back to the system: we really do want to free memory back when
madvise(2) returns EAGAIN because slab allocations (for vmas, anon_vmas,
or mempolicies) cannot be allocated.
Encountering /proc/sys/vm/max_map_count is not a temporary failure,
however, so return ENOMEM to indicate this is a more serious issue. A
followup patch to the man page will specify this behavior.
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1701241431120.42507@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The callers of the DMA alloc functions already provide the proper
context GFP flags. Make sure to pass them through to the CMA allocator,
to make the CMA compaction context aware.
Link: http://lkml.kernel.org/r/20170127172328.18574-3-l.stach@pengutronix.de
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Most users of this interface just want to use it with the default
GFP_KERNEL flags, but for cases where DMA memory is allocated it may be
called from a different context.
No functional change yet, just passing through the flag to the
underlying alloc_contig_range function.
Link: http://lkml.kernel.org/r/20170127172328.18574-2-l.stach@pengutronix.de
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently alloc_contig_range assumes that the compaction should be done
with the default GFP_KERNEL flags. This is probably right for all
current uses of this interface, but may change as CMA is used in more
use-cases (including being the default DMA memory allocator on some
platforms).
Change the function prototype, to allow for passing through the GFP mask
set by upper layers.
Also respect global restrictions by applying memalloc_noio_flags to the
passed in flags.
Link: http://lkml.kernel.org/r/20170127172328.18574-1-l.stach@pengutronix.de
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Allow userfaultfd monitor track termination of the processes that have
memory backed by the uffd.
[rppt@linux.vnet.ibm.com: add comment]
Link: http://lkml.kernel.org/r/20170202135448.GB19804@rapoport-lnxLink: http://lkml.kernel.org/r/1485542673-24387-4-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When a non-cooperative userfaultfd monitor copies pages in the
background, it may encounter regions that were already unmapped.
Addition of UFFD_EVENT_UNMAP allows the uffd monitor to track precisely
changes in the virtual memory layout.
Since there might be different uffd contexts for the affected VMAs, we
first should create a temporary representation for the unmap event for
each uffd context and then notify them one by one to the appropriate
userfault file descriptors.
The event notification occurs after the mmap_sem has been released.
[arnd@arndb.de: fix nommu build]
Link: http://lkml.kernel.org/r/20170203165141.3665284-1-arnd@arndb.de
[mhocko@suse.com: fix nommu build]
Link: http://lkml.kernel.org/r/20170202091503.GA22823@dhcp22.suse.cz
Link: http://lkml.kernel.org/r/1485542673-24387-3-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Introduce a new interface to check if a page is mapped into a vma. It
aims to address shortcomings of page_check_address{,_transhuge}.
Existing interface is not able to handle PTE-mapped THPs: it only finds
the first PTE. The rest lefted unnoticed.
page_vma_mapped_walk() iterates over all possible mapping of the page in
the vma.
Link: http://lkml.kernel.org/r/20170129173858.45174-3-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Define isolate_movable_page as a static inline function when
CONFIG_MIGRATION is not enable. It should return -EBUSY here which
means failed to isolate movable pages.
This patch do not have any functional change but prepare for later
patch.
Link: http://lkml.kernel.org/r/1485867981-16037-3-git-send-email-ysxie@foxmail.com
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Suggested-by: Michal Hocko <mhocko@kernel.org>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "HWPOISON: soft offlining for non-lru movable page", v6.
After Minchan's commit bda807d444 ("mm: migrate: support non-lru
movable page migration"), some type of non-lru page like zsmalloc and
virtio-balloon page also support migration.
Therefore, we can:
1) soft offlining no-lru movable pages, which means when memory
corrected errors occur on a non-lru movable page, we can stop to use
it by migrating data onto another page and disable the original
(maybe half-broken) one.
2) enable memory hotplug for non-lru movable pages, i.e. we may offline
blocks, which include such pages, by using non-lru page migration.
This patchset is heavily dependent on non-lru movable page migration.
This patch (of 4):
Change the return type of isolate_movable_page() from bool to int. It
will return 0 when isolate movable page successfully, and return -EBUSY
when it isolates failed.
There is no functional change within this patch but prepare for later
patch.
[xieyisheng1@huawei.com: v6]
Link: http://lkml.kernel.org/r/1486108770-630-2-git-send-email-xieyisheng1@huawei.com
Link: http://lkml.kernel.org/r/1485867981-16037-2-git-send-email-ysxie@foxmail.com
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Suggested-by: Michal Hocko <mhocko@kernel.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since the introduction of FAULT_FLAG_SIZE to the vm_fault flag, it has
been somewhat painful with getting the flags set and removed at the
correct locations. More than one kernel oops was introduced due to
difficulties of getting the placement correctly.
Remove the flag values and introduce an input parameter to huge_fault
that indicates the size of the page entry. This makes the code easier
to trace and should avoid the issues we see with the fault flags where
removal of the flag was necessary in the fallback paths.
Link: http://lkml.kernel.org/r/148615748258.43180.1690152053774975329.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The current transparent hugepage code only supports PMDs. This patch
adds support for transparent use of PUDs with DAX. It does not include
support for anonymous pages. x86 support code also added.
Most of this patch simply parallels the work that was done for huge
PMDs. The only major difference is how the new ->pud_entry method in
mm_walk works. The ->pmd_entry method replaces the ->pte_entry method,
whereas the ->pud_entry method works along with either ->pmd_entry or
->pte_entry. The pagewalk code takes care of locking the PUD before
calling ->pud_walk, so handlers do not need to worry whether the PUD is
stable.
[dave.jiang@intel.com: fix SMP x86 32bit build for native_pud_clear()]
Link: http://lkml.kernel.org/r/148719066814.31111.3239231168815337012.stgit@djiang5-desk3.ch.intel.com
[dave.jiang@intel.com: native_pud_clear missing on i386 build]
Link: http://lkml.kernel.org/r/148640375195.69754.3315433724330910314.stgit@djiang5-desk3.ch.intel.com
Link: http://lkml.kernel.org/r/148545059381.17912.8602162635537598445.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "1G transparent hugepage support for device dax", v2.
The following series implements support for 1G trasparent hugepage on
x86 for device dax. The bulk of the code was written by Mathew Wilcox a
while back supporting transparent 1G hugepage for fs DAX. I have
forward ported the relevant bits to 4.10-rc. The current submission has
only the necessary code to support device DAX.
Comments from Dan Williams: So the motivation and intended user of this
functionality mirrors the motivation and users of 1GB page support in
hugetlbfs. Given expected capacities of persistent memory devices an
in-memory database may want to reduce tlb pressure beyond what they can
already achieve with 2MB mappings of a device-dax file. We have
customer feedback to that effect as Willy mentioned in his previous
version of these patches [1].
[1]: https://lkml.org/lkml/2016/1/31/52
Comments from Nilesh @ Oracle:
There are applications which have a process model; and if you assume
10,000 processes attempting to mmap all the 6TB memory available on a
server; we are looking at the following:
processes : 10,000
memory : 6TB
pte @ 4k page size: 8 bytes / 4K of memory * #processes = 6TB / 4k * 8 * 10000 = 1.5GB * 80000 = 120,000GB
pmd @ 2M page size: 120,000 / 512 = ~240GB
pud @ 1G page size: 240GB / 512 = ~480MB
As you can see with 2M pages, this system will use up an exorbitant
amount of DRAM to hold the page tables; but the 1G pages finally brings
it down to a reasonable level. Memory sizes will keep increasing; so
this number will keep increasing.
An argument can be made to convert the applications from process model
to thread model, but in the real world that may not be always practical.
Hopefully this helps explain the use case where this is valuable.
This patch (of 3):
In preparation for adding the ability to handle PUD pages, convert
vm_operations_struct.pmd_fault to vm_operations_struct.huge_fault. The
vm_fault structure is extended to include a union of the different page
table pointers that may be needed, and three flag bits are reserved to
indicate which type of pointer is in the union.
[ross.zwisler@linux.intel.com: remove unused function ext4_dax_huge_fault()]
Link: http://lkml.kernel.org/r/1485813172-7284-1-git-send-email-ross.zwisler@linux.intel.com
[dave.jiang@intel.com: clear PMD or PUD size flags when in fall through path]
Link: http://lkml.kernel.org/r/148589842696.5820.16078080610311444794.stgit@djiang5-desk3.ch.intel.com
Link: http://lkml.kernel.org/r/148545058784.17912.6353162518188733642.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Nilesh Choudhury <nilesh.choudhury@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to
take a vma and vmf parameter when the vma already resides in vmf.
Remove the vma parameter to simplify things.
[arnd@arndb.de: fix ARM build]
Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We noticed a performance regression when moving hadoop workloads from
3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
activity initiated by kswapd as well as frequent bursts of allocation
stalls and direct reclaim scans. Even lowering the dirty ratios to the
equivalent of less than 1% of memory would not eliminate the issue,
suggesting that dirty pages concentrate where the scanner is looking.
This can be traced back to recent efforts of thrash avoidance. Where
3.10 would not detect refaulting pages and continuously supply clean
cache to the inactive list, a thrashing workload on 4.0+ will detect and
activate refaulting pages right away, distilling used-once pages on the
inactive list much more effectively. This is by design, and it makes
sense for clean cache. But for the most part our workload's cache
faults are refaults and its use-once cache is from streaming writes. We
end up with most of the inactive list dirty, and we don't go after the
active cache as long as we have use-once pages around.
But waiting for writes to avoid reclaiming clean cache that *might*
refault is a bad trade-off. Even if the refaults happen, reads are
faster than writes. Before getting bogged down on writeback, reclaim
should first look at *all* cache in the system, even active cache.
To accomplish this, activate pages that are dirty or under writeback
when they reach the end of the inactive LRU. The pages are marked for
immediate reclaim, meaning they'll get moved back to the inactive LRU
tail as soon as they're written back and become reclaimable. But in the
meantime, by reducing the inactive list to only immediately reclaimable
pages, we allow the scanner to deactivate and refill the inactive list
with clean cache from the active list tail to guarantee forward
progress.
[hannes@cmpxchg.org: update comment]
Link: http://lkml.kernel.org/r/20170202191957.22872-8-hannes@cmpxchg.org
Link: http://lkml.kernel.org/r/20170123181641.23938-6-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Memory pressure can put dirty pages at the end of the LRU without
anybody running into dirty limits. Don't start writing individual pages
from kswapd while the flushers might be asleep.
Unlike the old direct reclaim flusher wakeup (removed in the next patch)
that flushes the number of pages just scanned, this patch wakes the
flushers for all outstanding dirty pages. That seemed to perform better
in a synthetic test that pushes dirty pages to the end of the LRU and
into reclaim, because we know LRU aging outstrips writeback already, and
this way we give younger dirty pages a headstart rather than wait until
reclaim runs into them as well. It also means less plugging and risk of
exhausting the struct request pool from reclaim.
There is a concern that this will cause temporary files that used to get
dirtied and truncated before writeback to now get written to disk under
memory pressure. If this turns out to be a real problem, we'll have to
revisit this and tame the reclaim flusher wakeups.
[hannes@cmpxchg.org: mention dirty expiration as a condition]
Link: http://lkml.kernel.org/r/20170126174739.GA30636@cmpxchg.org
Link: http://lkml.kernel.org/r/20170123181641.23938-3-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: vmscan: fix kswapd writeback regression".
We noticed a regression on multiple hadoop workloads when moving from
3.10 to 4.0 and 4.6, which involves kswapd getting tangled up in page
writeout, causing direct reclaim herds that also don't make progress.
I tracked it down to the thrash avoidance efforts after 3.10 that make
the kernel better at keeping use-once cache and use-many cache sorted on
the inactive and active list, with more aggressive protection of the
active list as long as there is inactive cache. Unfortunately, our
workload's use-once cache is mostly from streaming writes. Waiting for
writes to avoid potential reloads in the future is not a good tradeoff.
These patches do the following:
1. Wake the flushers when kswapd sees a lump of dirty pages. It's
possible to be below the dirty background limit and still have cache
velocity push them through the LRU. So start a-flushin'.
2. Let kswapd only write pages that have been rotated twice. This makes
sure we really tried to get all the clean pages on the inactive list
before resorting to horrible LRU-order writeback.
3. Move rotating dirty pages off the inactive list. Instead of churning
or waiting on page writeback, we'll go after clean active cache. This
might lead to thrashing, but in this state memory demand outstrips IO
speed anyway, and reads are faster than writes.
Mel backported the series to 4.10-rc5 with one minor conflict and ran a
couple of tests on it. Mix of read/write random workload didn't show
anything interesting. Write-only database didn't show much difference
in performance but there were slight reductions in IO -- probably in the
noise.
simoop did show big differences although not as big as Mel expected.
This is Chris Mason's workload that similate the VM activity of hadoop.
Mel won't go through the full details but over the samples measured
during an hour it reported
4.10.0-rc5 4.10.0-rc5
vanilla johannes-v1r1
Amean p50-Read 21346531.56 ( 0.00%) 21697513.24 ( -1.64%)
Amean p95-Read 24700518.40 ( 0.00%) 25743268.98 ( -4.22%)
Amean p99-Read 27959842.13 ( 0.00%) 28963271.11 ( -3.59%)
Amean p50-Write 1138.04 ( 0.00%) 989.82 ( 13.02%)
Amean p95-Write 1106643.48 ( 0.00%) 12104.00 ( 98.91%)
Amean p99-Write 1569213.22 ( 0.00%) 36343.38 ( 97.68%)
Amean p50-Allocation 85159.82 ( 0.00%) 79120.70 ( 7.09%)
Amean p95-Allocation 204222.58 ( 0.00%) 129018.43 ( 36.82%)
Amean p99-Allocation 278070.04 ( 0.00%) 183354.43 ( 34.06%)
Amean final-p50-Read 21266432.00 ( 0.00%) 21921792.00 ( -3.08%)
Amean final-p95-Read 24870912.00 ( 0.00%) 26116096.00 ( -5.01%)
Amean final-p99-Read 28147712.00 ( 0.00%) 29523968.00 ( -4.89%)
Amean final-p50-Write 1130.00 ( 0.00%) 977.00 ( 13.54%)
Amean final-p95-Write 1033216.00 ( 0.00%) 2980.00 ( 99.71%)
Amean final-p99-Write 1517568.00 ( 0.00%) 32672.00 ( 97.85%)
Amean final-p50-Allocation 86656.00 ( 0.00%) 78464.00 ( 9.45%)
Amean final-p95-Allocation 211712.00 ( 0.00%) 116608.00 ( 44.92%)
Amean final-p99-Allocation 287232.00 ( 0.00%) 168704.00 ( 41.27%)
The latencies are actually completely horrific in comparison to 4.4 (and
4.10-rc5 is worse than 4.9 according to historical data for reasons Mel
hasn't analysed yet).
Still, 95% of write latency (p95-write) is halved by the series and
allocation latency is way down. Direct reclaim activity is one fifth of
what it was according to vmstats. Kswapd activity is higher but this is
not necessarily surprising. Kswapd efficiency is unchanged at 99% (99%
of pages scanned were reclaimed) but direct reclaim efficiency went from
77% to 99%
In the vanilla kernel, 627MB of data was written back from reclaim
context. With the series, no data was written back. With or without
the patch, pages are being immediately reclaimed after writeback
completes. However, with the patch, only 1/8th of the pages are
reclaimed like this.
This patch (of 5):
We have an elaborate dirty/writeback throttling mechanism inside the
reclaim scanner, but for that to work the pages have to go through
shrink_page_list() and get counted for what they are. Otherwise, we
mess up the LRU order and don't match reclaim speed to writeback.
Especially during deactivation, there is never a reason to skip dirty
pages; nothing is even trying to write them out from there. Don't mess
up the LRU order for nothing, shuffle these pages along.
Link: http://lkml.kernel.org/r/20170123181641.23938-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "userfaultfd: non-cooperative: add madvise() event for
MADV_REMOVE request".
These patches add notification of madvise(MADV_REMOVE) event to
non-cooperative userfaultfd monitor.
The first pacth renames EVENT_MADVDONTNEED to EVENT_REMOVE along with
relevant functions and structures. Using _REMOVE instead of
_MADVDONTNEED describes the event semantics more clearly and I hope it's
not too late for such change in the ABI.
This patch (of 3):
The UFFD_EVENT_MADVDONTNEED purpose is to notify uffd monitor about
removal of certain range from address space tracked by userfaultfd.
Hence, UFFD_EVENT_REMOVE seems to better reflect the operation
semantics. Respectively, 'madv_dn' field of uffd_msg is renamed to
'remove' and the madvise_userfault_dontneed callback is renamed to
userfaultfd_remove.
Link: http://lkml.kernel.org/r/1484814154-1557-2-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Provide the name of each memblock type with struct memblock_type. This
allows to get rid of the function memblock_type_name() and duplicating
the type names in __memblock_dump_all().
The only memblock_type usage out of mm/memblock.c seems to be
arch/s390/kernel/crash_dump.c. While at it, give it a name.
Link: http://lkml.kernel.org/r/20170120123456.46508-4-heiko.carstens@de.ibm.com
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mem_hotplug_begin() assumes that it can set mem_hotplug.active_writer
and run the hotplug process without racing another thread. Validate
this assumption with a lockdep assertion.
Link: http://lkml.kernel.org/r/148693886229.16345.1770484669403334689.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull namespace updates from Eric Biederman:
"There is a lot here. A lot of these changes result in subtle user
visible differences in kernel behavior. I don't expect anything will
care but I will revert/fix things immediately if any regressions show
up.
From Seth Forshee there is a continuation of the work to make the vfs
ready for unpriviled mounts. We had thought the previous changes
prevented the creation of files outside of s_user_ns of a filesystem,
but it turns we missed the O_CREAT path. Ooops.
Pavel Tikhomirov and Oleg Nesterov worked together to fix a long
standing bug in the implemenation of PR_SET_CHILD_SUBREAPER where only
children that are forked after the prctl are considered and not
children forked before the prctl. The only known user of this prctl
systemd forks all children after the prctl. So no userspace
regressions will occur. Holding earlier forked children to the same
rules as later forked children creates a semantic that is sane enough
to allow checkpoing of processes that use this feature.
There is a long delayed change by Nikolay Borisov to limit inotify
instances inside a user namespace.
Michael Kerrisk extends the API for files used to maniuplate
namespaces with two new trivial ioctls to allow discovery of the
hierachy and properties of namespaces.
Konstantin Khlebnikov with the help of Al Viro adds code that when a
network namespace exits purges it's sysctl entries from the dcache. As
in some circumstances this could use a lot of memory.
Vivek Goyal fixed a bug with stacked filesystems where the permissions
on the wrong inode were being checked.
I continue previous work on ptracing across exec. Allowing a file to
be setuid across exec while being ptraced if the tracer has enough
credentials in the user namespace, and if the process has CAP_SETUID
in it's own namespace. Proc files for setuid or otherwise undumpable
executables are now owned by the root in the user namespace of their
mm. Allowing debugging of setuid applications in containers to work
better.
A bug I introduced with permission checking and automount is now
fixed. The big change is to mark the mounts that the kernel initiates
as a result of an automount. This allows the permission checks in sget
to be safely suppressed for this kind of mount. As the permission
check happened when the original filesystem was mounted.
Finally a special case in the mount namespace is removed preventing
unbounded chains in the mount hash table, and making the semantics
simpler which benefits CRIU.
The vfs fix along with related work in ima and evm I believe makes us
ready to finish developing and merge fully unprivileged mounts of the
fuse filesystem. The cleanups of the mount namespace makes discussing
how to fix the worst case complexity of umount. The stacked filesystem
fixes pave the way for adding multiple mappings for the filesystem
uids so that efficient and safer containers can be implemented"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
proc/sysctl: Don't grab i_lock under sysctl_lock.
vfs: Use upper filesystem inode in bprm_fill_uid()
proc/sysctl: prune stale dentries during unregistering
mnt: Tuck mounts under others instead of creating shadow/side mounts.
prctl: propagate has_child_subreaper flag to every descendant
introduce the walk_process_tree() helper
nsfs: Add an ioctl() to return owner UID of a userns
fs: Better permission checking for submounts
exit: fix the setns() && PR_SET_CHILD_SUBREAPER interaction
vfs: open() with O_CREAT should not create inodes with unknown ids
nsfs: Add an ioctl() to return the namespace type
proc: Better ownership of files for non-dumpable tasks in user namespaces
exec: Remove LSM_UNSAFE_PTRACE_CAP
exec: Test the ptracer's saved cred to see if the tracee can gain caps
exec: Don't reset euid and egid when the tracee has CAP_SETUID
inotify: Convert to using per-namespace limits
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Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm pull request for v4.11.
Nothing too major, the tinydrm and mmu-less support should make
writing smaller drivers easier for some of the simpler platforms, and
there are a bunch of documentation updates.
Intel grew displayport MST audio support which is hopefully useful to
people, and FBC is on by default for GEN9+ (so people know where to
look for regressions). AMDGPU has a lot of fixes that would like new
firmware files installed for some GPUs.
Other than that it's pretty scattered all over.
I may have a follow up pull request as I know BenH has a bunch of AST
rework and fixes and I'd like to get those in once they've been tested
by AST, and I've got at least one pull request I'm just trying to get
the author to fix up.
Core:
- drm_mm reworked
- Connector list locking and iterators
- Documentation updates
- Format handling rework
- MMU-less support for fbdev helpers
- drm_crtc_from_index helper
- Core CRC API
- Remove drm_framebuffer_unregister_private
- Debugfs cleanup
- EDID/Infoframe fixes
- Release callback
- Tinydrm support (smaller drivers for simple hw)
panel:
- Add support for some new simple panels
i915:
- FBC by default for gen9+
- Shared dpll cleanups and docs
- GEN8 powerdomain cleanup
- DMC support on GLK
- DP MST audio support
- HuC loading support
- GVT init ordering fixes
- GVT IOMMU workaround fix
amdgpu/radeon:
- Power/clockgating improvements
- Preliminary SR-IOV support
- TTM buffer priority and eviction fixes
- SI DPM quirks removed due to firmware fixes
- Powerplay improvements
- VCE/UVD powergating fixes
- Cleanup SI GFX code to match CI/VI
- Support for > 2 displays on 3/5 crtc asics
- SI headless fixes
nouveau:
- Rework securre boot code in prep for GP10x secure boot
- Channel recovery improvements
- Initial power budget code
- MMU rework preperation
vmwgfx:
- Bunch of fixes and cleanups
exynos:
- Runtime PM support for MIC driver
- Cleanups to use atomic helpers
- UHD Support for TM2/TM2E boards
- Trigger mode fix for Rinato board
etnaviv:
- Shader performance fix
- Command stream validator fixes
- Command buffer suballocator
rockchip:
- CDN DisplayPort support
- IOMMU support for arm64 platform
imx-drm:
- Fix i.MX5 TV encoder probing
- Remove lower fb size limits
msm:
- Support for HW cursor on MDP5 devices
- DSI encoder cleanup
- GPU DT bindings cleanup
sti:
- stih410 cleanups
- Create fbdev at binding
- HQVDP fixes
- Remove stih416 chip functionality
- DVI/HDMI mode selection fixes
- FPS statistic reporting
omapdrm:
- IRQ code cleanup
dwi-hdmi bridge:
- Cleanups and fixes
adv-bridge:
- Updates for nexus
sii8520 bridge:
- Add interlace mode support
- Rework HDMI and lots of fixes
qxl:
- probing/teardown cleanups
ZTE drm:
- HDMI audio via SPDIF interface
- Video Layer overlay plane support
- Add TV encoder output device
atmel-hlcdc:
- Rework fbdev creation logic
tegra:
- OF node fix
fsl-dcu:
- Minor fixes
mali-dp:
- Assorted fixes
sunxi:
- Minor fix"
[ This was the "fixed" pull, that still had build warnings due to people
not even having build tested the result. I'm not a happy camper
I've fixed the things I noticed up in this merge. - Linus ]
* tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux: (1177 commits)
lib/Kconfig: make PRIME_NUMBERS not user selectable
drm/tinydrm: helpers: Properly fix backlight dependency
drm/tinydrm: mipi-dbi: Fix field width specifier warning
drm/tinydrm: mipi-dbi: Silence: ‘cmd’ may be used uninitialized
drm/sti: fix build warnings in sti_drv.c and sti_vtg.c files
drm/amd/powerplay: fix PSI feature on Polars12
drm/amdgpu: refuse to reserve io mem for split VRAM buffers
drm/ttm: fix use-after-free races in vm fault handling
drm/tinydrm: Add support for Multi-Inno MI0283QT display
dt-bindings: Add Multi-Inno MI0283QT binding
dt-bindings: display/panel: Add common rotation property
of: Add vendor prefix for Multi-Inno
drm/tinydrm: Add MIPI DBI support
drm/tinydrm: Add helper functions
drm: Add DRM support for tiny LCD displays
drm/amd/amdgpu: post card if there is real hw resetting performed
drm/nouveau/tmr: provide backtrace when a timeout is hit
drm/nouveau/pci/g92: Fix rearm
drm/nouveau/drm/therm/fan: add a fallback if no fan control is specified in the vbios
drm/nouveau/hwmon: expose power_max and power_crit
..
BACKLIGHT_CLASS_DEVICE was selected in the last version of the
tinydrm patchset to fix the backlight dependency, but the
ifdef CONFIG_BACKLIGHT_CLASS_DEVICE was forgotten. Fix that.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Driver updates for ARM SoCs.
A handful of driver changes this time around. The larger changes are:
- Reset drivers for hi3660 and zx2967
- AHCI driver for Davinci, acked by Tejun and brought in here due to
platform dependencies
- Cleanups of atmel-ebi (External Bus Interface)
- Tweaks for Rockchip GRF (General Register File) usage (kitchensink misc
register range on the SoCs)
- PM domains changes for support of two new ZTE SoCs (zx296718 and zx2967)
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs.
A handful of driver changes this time around. The larger changes are:
- Reset drivers for hi3660 and zx2967
- AHCI driver for Davinci, acked by Tejun and brought in here due to
platform dependencies
- Cleanups of atmel-ebi (External Bus Interface)
- Tweaks for Rockchip GRF (General Register File) usage (kitchensink
misc register range on the SoCs)
- PM domains changes for support of two new ZTE SoCs (zx296718 and
zx2967)"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
soc: samsung: pmu: Add register defines for pad retention control
reset: make zx2967 explicitly non-modular
reset: core: fix reset_control_put
soc: samsung: pm_domains: Read domain name from the new label property
soc: samsung: pm_domains: Remove message about failed memory allocation
soc: samsung: pm_domains: Remove unused name field
soc: samsung: pm_domains: Use full names in subdomains registration log
sata: ahci-da850: un-hardcode the MPY bits
sata: ahci-da850: add a workaround for controller instability
sata: ahci: export ahci_do_hardreset() locally
sata: ahci-da850: implement a workaround for the softreset quirk
sata: ahci-da850: add device tree match table
sata: ahci-da850: get the sata clock using a connection id
soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
memory: atmel-ebi: Enable the SMC clock if specified
soc: samsung: pmu: Remove unused and duplicated defines
memory: atmel-ebi: Properly handle multiple reference to the same CS
memory: atmel-ebi: Fix the test to enable generic SMC logic
soc: samsung: pm_domains: Add new Exynos5433 compatible
soc: samsung: pmu: Add dummy support for Exynos5433 SoC
...
ARM64 DT updates are fairly small this time, only two new SoCs and a handful
of new machines get added, all of them similar to other hardware we already
support.
New SoC:
- HiSilicon Kirin960/Hi3660 and HiKey960 development board
- NXP LS1012a with three reference boards
http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1012a-low-power-communication-processor:LS1012A
New development board:
- Banana Pi M64, based on Allwinner A64
http://www.banana-pi.org/m64.html
- SolidRun MACCHIATOBin based on Marvell Armada 8K
https://www.solid-run.com/marvell-armada-family/armada-8040-community-board/
- Broadcom BCM958712DxXMC NorthStar2 reference board (another one)
A lot of platforms improve support for existing machines by adding
extra devices for which a binding and driver is availabe:
Allwinner: MMC, USB
ARM Juno: Coresight, STM
Broadcom: NS2 GICv2m irqchip and PCIe
Marvell: Armada 3700 SPI, I2C, ethernet switch
Mediatek: MT8173 thermal
NXP i.MX: LS1046A thermal
Qualcomm: coresight on MSM8916, HDMI, WCNSS, SCM
Renesas: r8a779[56] thermal, powerdomain, ethernet, sound, pwm, can, can fd
Rockchip: thermal, eDP, pinctrl enhancements
Samsung: TM2 touchkey, Exynos5433 HDMI and power management improvements
UniPhier: SD reset, eMMC controller
ZTE: oppv2 cpufreq
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 64-bit DT updates from Arnd Bergmann:
"ARM64 DT updates are fairly small this time, only two new SoCs and a
handful of new machines get added, all of them similar to other
hardware we already support.
New SoC:
- HiSilicon Kirin960/Hi3660 and HiKey960 development board
- NXP LS1012a with three reference boards:
http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1012a-low-power-communication-processor:LS1012A
New development board:
- Banana Pi M64, based on Allwinner A64:
http://www.banana-pi.org/m64.html
- SolidRun MACCHIATOBin based on Marvell Armada 8K:
https://www.solid-run.com/marvell-armada-family/armada-8040-community-board/
- Broadcom BCM958712DxXMC NorthStar2 reference board (another one)
A lot of platforms improve support for existing machines by adding
extra devices for which a binding and driver is availabe:
Allwinner:
- MMC, USB
ARM Juno:
- Coresight, STM
Broadcom:
- NS2 GICv2m irqchip and PCIe
Marvell:
- Armada 3700 SPI, I2C, ethernet switch
Mediatek:
- MT8173 thermal
NXP i.MX:
- LS1046A thermal
Qualcomm:
- coresight on MSM8916, HDMI, WCNSS, SCM
Renesas:
- r8a779[56] thermal, powerdomain, ethernet, sound, pwm, can, can fd
Rockchip:
- thermal, eDP, pinctrl enhancements
Samsung:
- TM2 touchkey, Exynos5433 HDMI and power management improvements
UniPhier:
- SD reset, eMMC controller
ZTE:
- oppv2 cpufreq"
* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (110 commits)
arm64: dts: qcom: Add msm8916 CoreSight components
arm64: dts: marvell: adjust name of sd-mmc-gop clock in syscon
arm64: allwinner: add BananaPi-M64 support
arm64: allwinner: a64: add UART1 pin nodes
arm64: allwinner: pine64: add MMC support
arm64: allwinner: a64: Increase the MMC max frequency
arm64: allwinner: a64: Add MMC pinctrl nodes
arm64: allwinner: a64: Add MMC nodes
dt-bindings: clockgen: Add compatible string for LS1012A
Documentation: DT: add LS1012A compatible for SCFG and DCFG
Documentation: DT: Add entry for FSL LS1012A RDB, FRDM, QDS boards
arm64: dts: marvell: add generic-ahci compatibles for CP110 ahci
arm64: tegra: Use symbolic reset identifiers
arm64: dts: r8a7796: Mark EthernetAVB device node disabled
arm64: dts: r8a7795: Mark EthernetAVB device node disabled
arm64: dts: r8a7795: tidyup audma definition order
arm64: dts: r8a7796: Link ARM GIC to clock and clock domain
arm64: dts: r8a7795: Link ARM GIC to clock and clock domain
arm64: dts: r8a7796: Add R-Car Gen3 thermal support
arm64: dts: r8a7795: Add R-Car Gen3 thermal support
...
A total of 380 patches this time, mostly adding support for more hardware
in the device tree descriptions. There is not much exciting here for 4.11,
but I've tried my best to condense the information from the pull requests
I got into a readable summary.
Noteworthy changes to existing platforms include:
- The GIC memory map was a bit wrong almost everywhere and now
gets fixed up
- The Allwinner platforms convert to the generic pinmux properties
- The Marvell EBU platforms now use the new DSA binding
- Samsung Exynos4212 was unused and gets removed
- The Renesas power management got improved
New production machines:
- Lego Mindstorms EV3
https://www.lego.com/en-us/mindstorms/about-ev3
- Beelink X2 Android media box
http://linux-sunxi.org/Beelink_X2
- "Romulus" baseboard management controller for OpenPower
- Axentia TSE-850 Data Radio Channel (DARC) encoder
http://www.axentia.se/db/equipment.html
- Luxul XAP-1410 and XWR-1200 wireless access points
https://luxul.com/xap-1410
New SoCs:
- Allwinner H2+ and V3s, both minor variations of already
supported chips
http://www.allwinnertech.com/index.php?c=product&a=index&id=38
- Marvell Prestera DX packet processors based on Armada XP architecture
http://www.marvell.com/switching/prestera-dx/
- Samsung Exynos4412 Prime gets added, a minor variation of Exynos4412
New developer and reference boards:
- Lichee Pi One, Lichee Pi Zero and Orange Pi Zero,
all based on Allwinner SoCs
http://linux-sunxi.org/LicheePi_Onehttp://www.orangepi.org/orangepizero/
- SAMA5d36ek Reference platform
http://www.atmel.com/tools/sama5d36-ek.aspx
- Beaglebone Green Wireless and Black Wireless
https://beagleboard.org/black-wirelesshttps://beagleboard.org/green-wireless
- phyCORE-AM335x System on Module
http://phytec.com/products/system-on-modules/phycore/am335x/
- New revision of "vf610-zii" Zodiac Inflight Innovations board
- Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam i.Core
http://www.opossom.com/english/index.htmlhttp://www.savageboard.org/http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ulhttp://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
- Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is
Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas, qcom,
rockchip, sti, stm32 and tegra
New device supports added to some boards and SoCs, briefly by platform:
- Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU
- Aspeed: network, ipmi bt, gpio, pinmux
- Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc
- TI DaVinci: gpio, lcdc, usb, video-in, uart
- TI Keystone 2: MSM RAM, power/reset, uart
- Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal
- Marvell EBU: ethernet switch on Turris Omnia
- NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic,
eeprom, mmc, nand
- TI OMAP:
- Qualcomm: coresight, gyro/accelerometer, hdmi
- Renesas: pmic, soc-id
- Rockchip: qos
- Samsung: audio on Odroid-X
- Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor
- STi: video in/out
- STM32: timer, pwm, i2c, rtc, add, i2s
- NVIDIA Tegra: tpm
- Uniphier: mmc/sd pinmux
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Arnd Bergmann:
"A total of 380 patches this time, mostly adding support for more
hardware in the device tree descriptions. There is not much exciting
here for 4.11, but I've tried my best to condense the information from
the pull requests I got into a readable summary.
Noteworthy changes to existing platforms include:
- The GIC memory map was a bit wrong almost everywhere and now gets
fixed up
- The Allwinner platforms convert to the generic pinmux properties
- The Marvell EBU platforms now use the new DSA binding
- Samsung Exynos4212 was unused and gets removed
- The Renesas power management got improved
New production machines:
- Lego Mindstorms EV3:
https://www.lego.com/en-us/mindstorms/about-ev3
- Beelink X2 Android media box:
http://linux-sunxi.org/Beelink_X2
- "Romulus" baseboard management controller for OpenPower
- Axentia TSE-850 Data Radio Channel (DARC) encoder:
http://www.axentia.se/db/equipment.html
- Luxul XAP-1410 and XWR-1200 wireless access points:
https://luxul.com/xap-1410
New SoCs:
- Allwinner H2+ and V3s, both minor variations of already supported
chips:
http://www.allwinnertech.com/index.php?c=product&a=index&id=38
- Marvell Prestera DX packet processors based on Armada XP
architecture:
http://www.marvell.com/switching/prestera-dx/
- Samsung Exynos4412 Prime gets added, a minor variation of
Exynos4412
New developer and reference boards:
- Lichee Pi One, Lichee Pi Zero and Orange Pi Zero, all based on
Allwinner SoCs:
http://linux-sunxi.org/LicheePi_Onehttp://www.orangepi.org/orangepizero/
- SAMA5d36ek Reference platform:
http://www.atmel.com/tools/sama5d36-ek.aspx
- Beaglebone Green Wireless and Black Wireless:
https://beagleboard.org/black-wirelesshttps://beagleboard.org/green-wireless
- phyCORE-AM335x System on Module:
http://phytec.com/products/system-on-modules/phycore/am335x/
- New revision of "vf610-zii" Zodiac Inflight Innovations board
- Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam
i.Core:
http://www.opossom.com/english/index.htmlhttp://www.savageboard.org/http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ulhttp://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
- Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is
- Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas,
qcom, rockchip, sti, stm32 and tegra
New device supports added to some boards and SoCs, briefly by platform:
- Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU
- Aspeed: network, ipmi bt, gpio, pinmux
- Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc
- TI DaVinci: gpio, lcdc, usb, video-in, uart
- TI Keystone 2: MSM RAM, power/reset, uart
- Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal
- Marvell EBU: ethernet switch on Turris Omnia
- NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic, eeprom,
mmc, nand
- TI OMAP:
- Qualcomm: coresight, gyro/accelerometer, hdmi
- Renesas: pmic, soc-id
- Rockchip: qos
- Samsung: audio on Odroid-X
- Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor
- STi: video in/out
- STM32: timer, pwm, i2c, rtc, add, i2s
- NVIDIA Tegra: tpm
- Uniphier: mmc/sd pinmux"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (380 commits)
ARM: dts: armada-385-linksys: fix DSA compatible property
ARM: dts: Fix typo in armada-xp-98dx4251
ARM: DTS: Fix register map for virt-capable GIC
dt-bindings: arm,gic: Fix binding example for a virt-capable GIC
ARM: dts: sun8i: sinlinx: Enable audio nodes
ARM: dts: sun8i: parrot: Enable audio nodes
ARM: dts: sun8i: Add audio codec, dai and card for A33
ARM: dts: Add EMAC AXI settings for Arria10
ARM: dts: am335x-chiliboard: Support charger
ARM: dts: am335x-chiliboard: Support power button
ARM: sun8i: dt: Add mali node
dt-bindings: gpu: Add Mali Utgard bindings
ARM: dts: stm32: Add I2C1 support for STM32429 eval board
ARM: dts: stm32: Add I2C1 support for STM32F429 SoC
ARM: dts: stm32: Use clock DT binding definition on stm32f429 family
dt-bindings: mfd: stm32f4: Add missing binding definition
dt-bindings: mfd: stm32f4: Fix STM32F4_X_CLOCK() macro
ARM: dts: stm32: Enable pwm1 and pwm3 for stm32f469-disco
ARM: dts: stm32: add Timers driver for stm32f429 MCU
ARM: dts: add the AB8500 sysclk to the device trees
...
We sometimes collect non-critical fixes that come in during the later part
of the merge window in a branch for the next release instead, and this is
that contents for v4.11.
Most of these are OMAP fixes, dealing with OMAP36/37 detection, quirks
and setup. There's also some fixes for Davinci and a Kconfig fix for SCPI
to only enable on ARM{,64}.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"We sometimes collect non-critical fixes that come in during the later
part of the merge window in a branch for the next release instead, and
this is that contents for v4.11.
Most of these are OMAP fixes, dealing with OMAP36/37 detection, quirks
and setup. There's also some fixes for Davinci and a Kconfig fix for
SCPI to only enable on ARM{,64}"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
firmware: arm_scpi: Add hardware dependencies
ARM: OMAP3: Fix SoC detection of OMAP36/37 Family
ARM: OMAP5: Add HWMOD_SWSUP_SIDLE_ACT flag for UART
ARM: dts: Fix compatible for ti81xx uarts for 8250
ARM: dts: Fix am335x and dm814x scm syscon to probe children
ARM: OMAP2+: Fix init for multiple quirks for the same SoC
ARM: dts: Fix omap3 off mode pull defines
bus: da850-mstpri: fix my e-mail address
ARM: davinci: da850: fix da850_set_pll0rate()
ARM: davinci: da850: coding style fix
This set contains a couple of cleanups as well as support for a few more
simple panels.
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Merge tag 'drm/panel/for-4.11-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/panel: Changes for v4.11-rc1
This set contains a couple of cleanups as well as support for a few more
simple panels.
* tag 'drm/panel/for-4.11-rc1' of git://anongit.freedesktop.org/tegra/linux:
drm/panel: simple: Specify bus width and flags for EDT displays
drm/panel: simple: Add Netron DY E231732
of: Add vendor prefix for Netron DY
drm/panel: simple: Add support for Tianma TM070JDHG30
of: Add vendor prefix for Tianma Micro-electronics
drm/panel: simple: Add support BOE NV101WXMN51
dt-bindings: display: Add BOE NV101WXMN51 panel binding
drm/panel: Constify device node argument to of_drm_find_panel()
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Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add ASPM L1 substate support
- enable PCIe Extended Tags when supported
- configure PCIe MPS settings on iProc, Versatile, X-Gene, and Xilinx
- increase VPD access timeout
- add ACS quirks for Intel Union Point, Qualcomm QDF2400 and QDF2432
- use new pci_irq_alloc_vectors() in more drivers
- fix MSI affinity memory leak
- remove unused MSI interfaces and update documentation
- remove unused AER .link_reset() callback
- avoid pci_lock / p->pi_lock deadlock seen with perf
- serialize sysfs enable/disable num_vfs operations
- move DesignWare IP from drivers/pci/host/ to drivers/pci/dwc/ and
refactor so we can support both hosts and endpoints
- add DT ECAM-like support for HiSilicon Hip06/Hip07 controllers
- add Rockchip system power management support
- add Thunder-X cn81xx and cn83xx support
- add Exynos 5440 PCIe PHY support
* tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (93 commits)
PCI: dwc: Remove dependency of designware on CONFIG_PCI
PCI: dwc: Add CONFIG_PCIE_DW_HOST to enable PCI dwc host
PCI: dwc: Split pcie-designware.c into host and core files
PCI: dwc: designware: Fix style errors in pcie-designware.c
PCI: dwc: designware: Parse "num-lanes" property in dw_pcie_setup_rc()
PCI: dwc: all: Split struct pcie_port into host-only and core structures
PCI: dwc: designware: Get device pointer at the start of dw_pcie_host_init()
PCI: dwc: all: Rename cfg_read/cfg_write to read/write
PCI: dwc: all: Use platform_set_drvdata() to save private data
PCI: dwc: designware: Move register defines to designware header file
PCI: dwc: Use PTR_ERR_OR_ZERO to simplify code
PCI: dra7xx: Group PHY API invocations
PCI: dra7xx: Enable MSI and legacy interrupts simultaneously
PCI: dra7xx: Add support to force RC to work in GEN1 mode
PCI: dra7xx: Simplify probe code with devm_gpiod_get_optional()
PCI: Move DesignWare IP support to new drivers/pci/dwc/ directory
PCI: exynos: Support the PHY generic framework
Documentation: binding: Modify the exynos5440 PCIe binding
phy: phy-exynos-pcie: Add support for Exynos PCIe PHY
Documentation: samsung-phy: Add exynos-pcie-phy binding
...
Pull networking fixes from David Miller:
1) Some 'const'ing in qlogic networking drivers, from Bhumika Goyal.
2) Fix scheduling while atomic in l2tp network namespace exit by
deferring the work to the workqueue. From Ridge Kennedy.
3) Fix use after free in dccp timewait handling, from Andrey Ryabinin.
4) mlx5e CQE compression engine not initialized properly, from Tariq
Toukan.
5) Some UAPI header fixes from Dmitry V. Levin.
6) Don't overwrite module parameter value in mlx4 driver, from Majd
Dibbiny.
7) Fix divide by zero in xt_hashlimit netfilter module, from Alban
Browaeys.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
bpf: Fix bpf_xdp_event_output
net/mlx4_en: Use __skb_fill_page_desc()
net/mlx4_core: Use cq quota in SRIOV when creating completion EQs
net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
net/mlx4: Spoofcheck and zero MAC can't coexist
net/mlx4: Change ENOTSUPP to EOPNOTSUPP
uapi: fix linux/rds.h userspace compilation errors
uapi: fix linux/seg6.h and linux/seg6_iptunnel.h userspace compilation errors
lib: Remove string from parman config selection
forcedeth: Remove return from a void function
bpf: fix spelling mistake: "proccessed" -> "processed"
uapi: fix linux/llc.h userspace compilation error
uapi: fix linux/ip6_tunnel.h userspace compilation errors
net/mlx5e: Fix wrong CQE decompression
net/mlx5e: Update MPWQE stride size when modifying CQE compress state
net/mlx5e: Fix broken CQE compression initialization
net/mlx5e: Do not reduce LRO WQE size when not using build_skb
net/mlx5e: Register/unregister vport representors on interface attach/detach
net/mlx5e: s390 system compilation fix
tcp: account for ts offset only if tsecr not zero
...
Because the Mellanox code required being based on a net-next tree,
I keept it separate from the remainder of the RDMA stack submission
that is based on 4.10-rc3.
This branch contains:
- Various mlx4 and mlx5 fixes and minor changes
- Support for adding a tag match rule to flow specs
- Support for cvlan offload operation for raw ethernet QPs
- A change to the core IB code to recognize raw eth capabilities and
enumerate them (touches non-Mellanox code)
- Implicit On-Demand Paging memory registration support
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull Mellanox rdma updates from Doug Ledford:
"Mellanox specific updates for 4.11 merge window
Because the Mellanox code required being based on a net-next tree, I
keept it separate from the remainder of the RDMA stack submission that
is based on 4.10-rc3.
This branch contains:
- Various mlx4 and mlx5 fixes and minor changes
- Support for adding a tag match rule to flow specs
- Support for cvlan offload operation for raw ethernet QPs
- A change to the core IB code to recognize raw eth capabilities and
enumerate them (touches non-Mellanox code)
- Implicit On-Demand Paging memory registration support"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (40 commits)
IB/mlx5: Fix configuration of port capabilities
IB/mlx4: Take source GID by index from HW GID table
IB/mlx5: Fix blue flame buffer size calculation
IB/mlx4: Remove unused variable from function declaration
IB: Query ports via the core instead of direct into the driver
IB: Add protocol for USNIC
IB/mlx4: Support raw packet protocol
IB/mlx5: Support raw packet protocol
IB/core: Add raw packet protocol
IB/mlx5: Add implicit MR support
IB/mlx5: Expose MR cache for mlx5_ib
IB/mlx5: Add null_mkey access
IB/umem: Indicate that process is being terminated
IB/umem: Update on demand page (ODP) support
IB/core: Add implicit MR flag
IB/mlx5: Support creation of a WQ with scatter FCS offload
IB/mlx5: Enable QP creation with cvlan offload
IB/mlx5: Enable WQ creation and modification with cvlan offload
IB/mlx5: Expose vlan offloads capabilities
IB/uverbs: Enable QP creation with cvlan offload
...
This introduces an interface for user space to directly communicate on
rpmsg endpoints without the implementation of specific kernel drivers,
which is useful for e.g. debug channels.
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Merge tag 'rpmsg-v4.11' of git://github.com/andersson/remoteproc
Pull rpmsg updates from Bjorn Andersson:
"This introduces an interface for user space to directly communicate on
rpmsg endpoints without the implementation of specific kernel drivers,
which is useful for e.g. debug channels:
* tag 'rpmsg-v4.11' of git://github.com/andersson/remoteproc:
rpmsg: rpmsg_create_ept() returns NULL on error
rpmsg: qcom: smd: Return positively when not enabled
rpmsg: unlock on error in rpmsg_eptdev_read()
rpmsg: char: add CONFIG_NET dependency
rpmsg: smd: Register rpmsg user space interface for edges
rpmsg: Driver for user space endpoint interface
rpmsg: qcom_smd: Implement endpoint "poll"
rpmsg: Introduce "poll" to endpoint ops
rpmsg: qcom_smd: Add support for "label" property
This introduces support for booting the dedicated sensor core in the
Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
utilize SMD subdevice helpers for properly handle shutdowns and restarts
of the remoteproc, add virtio support to the ST remoteproc and refactor
the Qualcomm Hexagon driver to handle variations between platforms.
The support code for parsing, loading and authenticating Qualcomm
firmware files (MDT) is refactored and move to drivers/soc/qcom, to
allow for non-remoteproc drivers to utilize this.
Finally it brings some cleanups to the remoteproc core.
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Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This introduces support for booting the dedicated sensor core in the
Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
utilize SMD subdevice helpers for properly handle shutdowns and
restarts of the remoteproc, add virtio support to the ST remoteproc
and refactor the Qualcomm Hexagon driver to handle variations between
platforms.
The support code for parsing, loading and authenticating Qualcomm
firmware files (MDT) is refactored and move to drivers/soc/qcom, to
allow for non-remoteproc drivers to utilize this.
Finally it brings some cleanups to the remoteproc core"
* tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits)
remoteproc: qcom: mdt_loader: Use signed type for offset
remoteproc: st: add virtio communication support
remoteproc: st: correct probe error management
remoteproc: Modify the function names
remoteproc: Reduce asynchronous request_firmware to auto-boot only
remoteproc: Drop qcom_scm_pas_supported() from adsp_probe()
MAINTAINERS: Add missing rpmsg include path
remoteproc: qcom: Use common SMD edge handler
remoteproc: qcom: wcnss: Make SMD handling common
remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
remoteproc: qcom: mdt_loader: Refactor MDT loader
remoteproc: qcom: mdt_loader: Don't overwrite firmware object
remoteproc: qcom: Extract non-mdt related helper
remoteproc: qcom: q6v5: Decouple driver from MDT loader
remoteproc: qcom: q6v5: Remove mss supply from 8916
remoteproc: qcom: fix initializers for qcom_mss_reg_res array
remoteproc: Drop firmware_loading_complete
remoteproc: Add RPROC_DELETED state
remoteproc: Move rproc_delete_debug_dir() to rproc_del()
remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc.
...
here is the update of sound bits for 4.11: again at this time, no big
changes in ALSA and ASoC core but only cosmetic changes like
consitifaction. Meanwhile, quite a lot of developments are seen in
a few driver side.
ALSA Core:
- Clean up, consitification of some ops
HD-audio:
- A slight behavior change of single_cmd option
- Quirks for AmigaOne X1000, Samsung Ativ Book 8, Dell AiO, ALC221 HP,
and fixes for Lewisburg controller
- Realtek ALC299, ALC1220 codecs
Others:
- USB-audio: Tascam US-16x08 DSP mixer quirk
- Intel HDMI LPE audio support for Baytrail / Cherrytrail; this
contains some updates in drm/i915 for the new platform binding
ASoC:
- Lots of updates in Intel drivers, mostly for DisplayPort and HDMI
on Skylake and onwards, as well as more Baytrail / Cherrytrail
boards support
- Channel mapping support for HDMI
- Support for AllWinner A31 and A33, Everest Semiconductor ES8328,
Nuvoton NAU8540.
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Merge tag 'sound-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Here is the update of sound bits for 4.11: again at this time, no big
changes in ALSA and ASoC core but only cosmetic changes like
consitifaction.
Meanwhile, quite a lot of developments are seen in a few driver side.
ALSA Core:
- Clean up, consitification of some ops
HD-audio:
- A slight behavior change of single_cmd option
- Quirks for AmigaOne X1000, Samsung Ativ Book 8, Dell AiO, ALC221
HP, and fixes for Lewisburg controller
- Realtek ALC299, ALC1220 codecs
Others:
- USB-audio: Tascam US-16x08 DSP mixer quirk
- Intel HDMI LPE audio support for Baytrail / Cherrytrail; this
contains some updates in drm/i915 for the new platform binding
ASoC:
- Lots of updates in Intel drivers, mostly for DisplayPort and HDMI
on Skylake and onwards, as well as more Baytrail / Cherrytrail
boards support
- Channel mapping support for HDMI
- Support for AllWinner A31 and A33, Everest Semiconductor ES8328,
Nuvoton NAU8540.
* tag 'sound-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (323 commits)
ALSA: usb-audio: Tidy up mixer_us16x08.c
ALSA: usb-audio: Fix memory leak and corruption in mixer_us16x08.c
ALSA: usb-audio: purge needless variable length array
ALSA: x86: hdmi: select CONFIG_SND_PCM
ALSA: x86: Don't enable runtime PM as default
ALSA: x86: Use runtime PM autosuspend
ALSA: usb-audio: localize function without external linkage
ALSA: usb-audio: localize one-referrer variable
ALSA: usb-audio: Tascam US-16x08 DSP mixer quirk
ALSA: emu10k1: constify snd_emux_operators structure
ASoC: sun4i-spdif: drop unnessary snd_soc_unregister_component()
ASoC: Intel: bxt: Add jack port initialize in bxt_rt298 machine
ASoC: nau8825: automatic BCLK and LRC divde in master mode
ASoC: hdac_hdmi: Add device id for Geminilake
ASoC: Intel: Skylake: Add Geminlake IDs
ASoC: rt298: Add DMI match for Geminilake reference platform
ASoC: Intel: Skylake: Check device type to get endpoint configuration
ASoC: Intel: bxt: Add jack port initialize in da7219_max98357a machine
ASoC: Intel: Skylake: Add jack port initialize in nau88l25_ssm4567 machine
ASoC: Intel: Skylake: Add jack port initialize in nau88l25_max98357a machine
...
Core changes:
- Augment fwnode_get_named_gpiod() to configure the GPIO pin
immediately after requesting it like all other APIs do.
This is a treewide change also updating all users.
- Pass a GPIO label down to gpiod_request() from
fwnode_get_named_gpiod(). This makes debugfs and the userspace
ABI correctly reflect the current in-kernel consumer of a pin
taken using this abstraction. This is a treewide change also
updating all users.
- Rename devm_get_gpiod_from_child() to
devm_fwnode_get_gpiod_from_child() to reflect the fact that this
function is operating on a fwnode object. This is a treewide
change also updating all users.
- Make it possible to take multiple GPIOs in a single hog of device
tree hogs.
- The refactorings switching GPIO chips to use the .set_config()
callback using standard pin control properties and providing
a backend into the pin control subsystem that were also merged
into the pin control tree naturally appear here too.
Testing instrumentation:
- A whole slew of cleanups and improvements to the mockup GPIO
driver. We now have an extended userspace test exercising the
subsystem, and we can inject interrupts etc from userspace
to fully test the core GPIO functionality.
New drivers:
- New driver for the Cortina Systems Gemini GPIO controller.
- New driver for the Exar XR17V352/354/358 chips.
- New driver for the ACCES PCI-IDIO-16 PCI GPIO card.
Driver changes:
- RCAR: set the irqchip parent device, add fine-grained runtime
PM support.
- pca953x: support optional RESET control line on the chip.
- DaVinci: cleanups and simplifications. Add support for multiple
instances.
- .set_multiple() and naming of lines on more or less all of the
ISA/PCI GPIO controllers.
- mcp23s08: refactored to use regmap as a first step to further
rewrites and modernizations.
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Merge tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.11 cycle
Core changes:
- Augment fwnode_get_named_gpiod() to configure the GPIO pin
immediately after requesting it like all other APIs do. This is a
treewide change also updating all users.
- Pass a GPIO label down to gpiod_request() from
fwnode_get_named_gpiod(). This makes debugfs and the userspace ABI
correctly reflect the current in-kernel consumer of a pin taken
using this abstraction. This is a treewide change also updating all
users.
- Rename devm_get_gpiod_from_child() to
devm_fwnode_get_gpiod_from_child() to reflect the fact that this
function is operating on a fwnode object. This is a treewide change
also updating all users.
- Make it possible to take multiple GPIOs in a single hog of device
tree hogs.
- The refactorings switching GPIO chips to use the .set_config()
callback using standard pin control properties and providing a
backend into the pin control subsystem that were also merged into
the pin control tree naturally appear here too.
Testing instrumentation:
- A whole slew of cleanups and improvements to the mockup GPIO
driver. We now have an extended userspace test exercising the
subsystem, and we can inject interrupts etc from userspace to fully
test the core GPIO functionality.
New drivers:
- New driver for the Cortina Systems Gemini GPIO controller.
- New driver for the Exar XR17V352/354/358 chips.
- New driver for the ACCES PCI-IDIO-16 PCI GPIO card.
Driver changes:
- RCAR: set the irqchip parent device, add fine-grained runtime PM
support.
- pca953x: support optional RESET control line on the chip.
- DaVinci: cleanups and simplifications. Add support for multiple
instances.
- .set_multiple() and naming of lines on more or less all of the
ISA/PCI GPIO controllers.
- mcp23s08: refactored to use regmap as a first step to further
rewrites and modernizations"
* tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (61 commits)
gpio: reintroduce devm_get_gpiod_from_child()
gpio: pci-idio-16: Fix PCI BAR index
gpio: pci-idio-16: Fix PCI device ID code
gpio: mockup: implement event injecting over debugfs
gpio: mockup: add a dummy irqchip
gpio: mockup: implement naming the lines
gpio: mockup: code shrink
gpio: mockup: readability tweaks
gpio: Add GPIO support for the ACCES PCI-IDIO-16
gpio: Add the devm_fwnode_get_index_gpiod_from_child() helper
gpio: Rename devm_get_gpiod_from_child()
gpio: mcp23s08: Select REGMAP/REGMAP_I2C to fix build error
gpio: ws16c48: Add support for GPIO names
gpio: gpio-mm: Add support for GPIO names
gpio: 104-idio-16: Add support for GPIO names
gpio: 104-idi-48: Add support for GPIO names
gpio: 104-dio-48e: Add support for GPIO names
gpio: ws16c48: Remove unnecessary driver_data set
gpio: gpio-mm: Remove unnecessary driver_data set
gpio: 104-idio-16: Remove unnecessary driver_data set
...
Pull input updates from Dmitry:
- a new driver for Zeitech touchscreen controller
- a new driver for Samsung "touchkeys"
- touchscreen driver for Moorestown platform has been removed because
platform support is gone
- MPU3050 accelerometer driver was removed in favor of IIO driver
- miscellaneous driver cleanup and fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (88 commits)
Input: zet6223 - export OF device ID as module aliases
Input: tsc2004/5 - switch to using generic device properties
Input: tsc2004/5 - fix regulator handling
Input: tsc2005 - add OF device table
Input: add driver for Zeitec ZET6223
Input: joydev - do not report stale values on first open
Input: synaptics-rmi4 - forward upper mechanical buttons to PS/2 guest
Input: synaptics-rmi4 - clean up F30 implementation
Input: synaptics - use SERIO_OOB_DATA to handle trackstick buttons
Input: psmouse - add a custom serio protocol to send extra information
Input: synaptics-rmi4 - fix error return code in rmi_probe_interrupts()
Input: xpad - restore LED state after device resume
Input: synaptics-rmi4 - add rmi_find_function()
Input: xpad - fix stuck mode button on Xbox One S pad
Input: joydev - use clamp() macro
Input: refuse to register absolute devices without absinfo
Input: synaptics-rmi4 - add sysfs interfaces for hardware IDs
Input: synaptics-rmi4 - add sysfs attribute update_fw_status
Input: mousedev - stop offering PS/2 to userspace by default
Input: tca8418 - switch to using generic device properties
...
- Add new Broadcom bnxt_re RoCE driver
- rxe driver updates
- ioctl cleanups
- ETH_P_IBOE declaration cleanup
- IPoIB changes
- Add port state cache
- Allow srpt driver to accept guids as port names in config
- Update to hfi1 driver
- Update to srp driver
- Lots of misc. minor changes all over
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"First set of updates for 4.11 kernel merge window
- Add new Broadcom bnxt_re RoCE driver
- rxe driver updates
- ioctl cleanups
- ETH_P_IBOE declaration cleanup
- IPoIB changes
- Add port state cache
- Allow srpt driver to accept guids as port names in config
- Update to hfi1 driver
- Update to srp driver
- Lots of misc minor changes all over"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (114 commits)
RDMA/bnxt_re: fix for "bnxt_en: Update to firmware interface spec 1.7.0."
rdma_cm: fail iwarp accepts w/o connection params
IB/srp: Drain the send queue before destroying a QP
IB/core: Add support for draining IB_POLL_DIRECT completion queues
IB/srp: Improve an error path
IB/srp: Make a diagnostic message more informative
IB/srp: Document locking conventions
IB/srp: Fix race conditions related to task management
IB/srp: Avoid that duplicate responses trigger a kernel bug
IB/SRP: Avoid using IB_MR_TYPE_SG_GAPS
RDMA/qedr: Fix some error handling
RDMA/bnxt_re: add DCB dependency
IB/hns: include linux/module.h
IB/vmw_pvrdma: Expose vendor error to ULPs
vmw_pvrdma: switch to pci_alloc_irq_vectors
IB/hfi1: use size_t for passing array length
IB/ipoib: Remove redudant label
IB/ipoib: remove the unnecessary memory free
IB/mthca: switch to pci_alloc_irq_vectors
IB/hfi1: Code reuse with memdup_copy
...
- Add new !TOUCHSCREEN_SUN4I dependency for SUN4I_GPADC
- List include/dt-bindings/mfd/* to files supported in MAINTAINERS
- New Drivers
- Intel Apollo Lake SPI NOR
- ST STM32 Timers (Advanced, Basic and PWM)
- Motorola 6556002 CPCAP (PMIC)
- New Device Support
- Add support for AXP221 to axp20x
- Add support for Intel Gemini Lake to intel-lpss-pci
- Add support for MT6323 LED to mt6397-core
- Add support for COMe-bBD#, COMe-bSL6, COMe-bKL6,
COMe-cAL6 and COMe-cKL6 to kempld-core
- New Functionality
- Add support for Analog CODAC to sun6i-prcm
- Add support for Watchdog to lpc_ich
- Fix-ups
- Error handling improvements; axp288_charger, axp20x, ab8500-sysctrl
- Adapt platform data handling; axp20x
- IRQ handling improvements; arizona, axp20x
- Remove superfluous code; arizona, axp20x, lpc_ich
- Trivial coding style/spelling fixes; axp20x, abx500, mfd.txt
- Regmap fix-ups; axp20x
- DT changes; mfd.txt, aspeed-lpc, aspeed-gfx, ab8500-core, tps65912, mt6397
- Use new I2C probing mechanism; max77686
- Constification; rk808
- Bug Fixes
- Stop data transfer whilst suspended; cros_ec
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Merge tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Add new !TOUCHSCREEN_SUN4I dependency for SUN4I_GPADC
- List include/dt-bindings/mfd/* to files supported in MAINTAINERS
New Drivers:
- Intel Apollo Lake SPI NOR
- ST STM32 Timers (Advanced, Basic and PWM)
- Motorola 6556002 CPCAP (PMIC)
New Device Support:
- Add support for AXP221 to axp20x
- Add support for Intel Gemini Lake to intel-lpss-pci
- Add support for MT6323 LED to mt6397-core
- Add support for COMe-bBD#, COMe-bSL6, COMe-bKL6, COMe-cAL6 and
COMe-cKL6 to kempld-core
New Functionality:
- Add support for Analog CODAC to sun6i-prcm
- Add support for Watchdog to lpc_ich
Fix-ups:
- Error handling improvements; axp288_charger, axp20x, ab8500-sysctrl
- Adapt platform data handling; axp20x
- IRQ handling improvements; arizona, axp20x
- Remove superfluous code; arizona, axp20x, lpc_ich
- Trivial coding style/spelling fixes; axp20x, abx500, mfd.txt
- Regmap fix-ups; axp20x
- DT changes; mfd.txt, aspeed-lpc, aspeed-gfx, ab8500-core, tps65912,
mt6397
- Use new I2C probing mechanism; max77686
- Constification; rk808
Bug Fixes:
- Stop data transfer whilst suspended; cros_ec"
* tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (43 commits)
mfd: lpc_ich: Enable watchdog on Intel Apollo Lake PCH
mfd: lpc_ich: Remove useless comments in core part
mfd: Add support for several boards to Kontron PLD driver
mfd: constify regmap_irq_chip structures
MAINTAINERS: Add include/dt-bindings/mfd to MFD entry
mfd: cpcap: Add minimal support
mfd: mt6397: Add MT6323 LED support into MT6397 driver
Documentation: devicetree: Add LED subnode binding for MT6323 PMIC
mfd: tps65912: Export OF device ID table as module aliases
mfd: ab8500-core: Rename clock device and compatible
mfd: cros_ec: Send correct suspend/resume event to EC
mfd: max77686: Remove I2C device ID table
mfd: max77686: Use the struct i2c_driver .probe_new instead of .probe
mfd: max77686: Use of_device_get_match_data() helper
mfd: max77686: Don't attempt to get i2c_device_id .data
mfd: ab8500-sysctrl: Handle probe deferral
mfd: intel-lpss: Add Intel Gemini Lake PCI IDs
mfd: axp20x: Fix AXP806 access errors on cold boot
mfd: cros_ec: Send suspend state notification to EC
mfd: cros_ec: Prevent data transfer while device is suspended
...
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree,
they are:
1) Revisit warning logic when not applying default helper assignment.
Jiri Kosina considers we are breaking existing setups and not warning
our users accordinly now that automatic helper assignment has been
turned off by default. So let's make him happy by spotting the warning
by when we find a helper but we cannot attach, instead of warning on the
former deprecated behaviour. Patch from Jiri Kosina.
2) Two patches to fix regression in ctnetlink interfaces with
nfnetlink_queue. Specifically, perform more relaxed in CTA_STATUS
and do not bail out if CTA_HELP indicates the same helper that we
already have. Patches from Kevin Cernekee.
3) A couple of bugfixes for ipset via Jozsef Kadlecsik. Due to wrong
index logic in hash set types and null pointer exception in the
list:set type.
4) hashlimit bails out with correct userspace parameters due to wrong
arithmetics in the code that avoids "divide by zero" when
transforming the userspace timing in milliseconds to token credits.
Patch from Alban Browaeys.
5) Fix incorrect NFQA_VLAN_MAX definition, patch from
Ken-ichirou MATSUZAWA.
6) Don't not declare nfnetlink batch error list as static, since this
may be used by several subsystems at the same time. Patch from
Liping Zhang.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Spoofcheck can't be enabled if VF MAC is zero.
Vice versa, can't zero MAC if spoofcheck is on.
Fixes: 8f7ba3ca12 ('net/mlx4: Add set VF mac address support')
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Consistently use types from linux/types.h to fix the following
linux/rds.h userspace compilation errors:
/usr/include/linux/rds.h:198:2: error: unknown type name 'u8'
u8 rx_traces;
/usr/include/linux/rds.h:199:2: error: unknown type name 'u8'
u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
/usr/include/linux/rds.h:203:2: error: unknown type name 'u8'
u8 rx_traces;
/usr/include/linux/rds.h:204:2: error: unknown type name 'u8'
u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
/usr/include/linux/rds.h:205:2: error: unknown type name 'u64'
u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX];
Fixes: 3289025aed ("RDS: add receive message trace used by application")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <linux/in6.h> in uapi/linux/seg6.h to fix the following
linux/seg6.h userspace compilation error:
/usr/include/linux/seg6.h:31:18: error: array type has incomplete element type 'struct in6_addr'
struct in6_addr segments[0];
Include <linux/seg6.h> in uapi/linux/seg6_iptunnel.h to fix
the following linux/seg6_iptunnel.h userspace compilation error:
/usr/include/linux/seg6_iptunnel.h:26:21: error: array type has incomplete element type 'struct ipv6_sr_hdr'
struct ipv6_sr_hdr srh[0];
Fixes: a50a05f497 ("ipv6: sr: add missing Kbuild export for header files")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <linux/if.h> to fix the following linux/llc.h userspace
compilation error:
/usr/include/linux/llc.h:26:27: error: 'IFHWADDRLEN' undeclared here (not in a function)
unsigned char sllc_mac[IFHWADDRLEN];
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Lafcadio Wluiki