Convert the DT binding .txt file for MediaTek's peripheral configuration
controller to YAML. There's one special case where the compatible has
three positions. Otherwise, it's a pretty normal syscon.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Arthur Kiyanovski says:
====================
ENA features and cosmetic changes
Diff from V1 of this patchset:
Removed error prints patch
This patchset includes:
1. new rx offset feature
2. reduction of the driver load time
3. multiple cosmetic changes to the code
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit reduces the driver load time by using usec resolution
instead of msec when polling for hardware state change.
Also add back-off mechanism to handle cases where minimal sleep
time is not enough.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Use BIT macro instead of shift operator for code clarity
2. Replace multiple flag assignments to a single assignment of multiple
flags in ena_com_add_single_rx_desc()
3. Move ENA_HASH_KEY_SIZE from ena_netdev.h to ena_com.h
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Add leading and trailing spaces to several comments for better
readability
2. Make tabs and spaces uniform in enum defines in ena_admin_defs.h
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Reorder sanity checks in get_comp_ctxt() to make more sense
2. Reorder variables in ena_com_fill_hash_function() and
ena_calc_io_queue_size() in reverse christmas tree.
3. Move around member initializations.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Remove unused definition of DRV_MODULE_VERSION
2. Remove {} from single line-of-code ifs
3. Remove unnecessary comments from ena_get/set_coalesce()
4. Remove unnecessary extra spaces and newlines
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1. Join unnecessarily broken short lines in ena_com.c ena_netdev.c
2. Fix Indentations of broken lines
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix spelling and grammar mistakes in comments in ena_com.h,
ena_com.c and ena_netdev.c
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make all types of variables that convey the number and sizeof queues to
be u32, for consistency with the API between the driver and device via
ena_admin_defs.h:ena_admin_get_feat_resp.max_queue_ext fields. Current
code sometimes uses int and there are multiple assignments between these
variables with different types.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rename ena_update_tx/rx_rings_intr_moderation() to
ena_update_tx/rx_rings_nonadaptive_intr_moderation()
to distinguish between adaptive and non adaptive interrupt moderaion.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Initialize prev_intr_delay_resolution with ena_dev->intr_delay_resolution
unconditionally, since it is initialized with
ENA_DEFAULT_INTR_DELAY_RESOLUTION in ena_probe(). This approach makes much
more sense than handling errors of not initializing it.
Also added unlikely to if condition.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Default return value should be -EINVAL since the input
in this case was unexpected.
Also remove the now redundant check in the beginning
of the function.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use u64 instead of unsigned long long for clarity
Signed-off-by: Shai Brandes <shaibran@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rename ena_com_free_desc to ena_com_free_q_entries to match
the LLQ mode.
In non-LLQ mode, an entry in an IO ring corresponds to a
a descriptor. In LLQ mode an entry may correspond to several
descriptors (per LLQ definition).
Signed-off-by: Igor Chauskin <igorch@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Newer ENA devices can write data to rx buffers with an offset
from the beginning of the buffer.
This commit adds support for this feature in the driver.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Igor Russkikh says:
====================
net: atlantic: QoS implementation
This patch series adds support for mqprio rate limiters and multi-TC:
* max_rate is supported on both A1 and A2;
* min_rate is supported on A2 only;
This is a joint work of Mark and Dmitry.
To implement this feature, a couple of rearrangements and code
improvements were done, in areas of TC/ring management, allocation
control, etc.
One of the problems we faced is conflicting ptp functionality, which
consumes a whole traffic class due to hardware limitations.
Patches below have a more detailed description on how PTP and multi-TC
co-exist right now.
v2:
* accommodated review comments (-Wmissing-prototypes and
-Wunused-but-set-variable findings);
* added user notification in case of conflicting multi-TC<->PTP
configuration;
* added automatic PTP disabling, if a conflicting configuration is
detected;
* removed module param, which was used for PTP disabling in v1;
v1: https://patchwork.ozlabs.org/cover/1294380/
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes an inconsistency between code and spec, which
was found while working on the QoS implementation.
When 8TCs are used, 2 is the maximum supported number of index bits.
In a 4TC mode, we do support 3, but we shouldn't really use the bytes,
which are intended for the 8TC mode.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for mqprio min_rate limiters.
A2 HW supports Weighted Strict Priority (WSP) arbitration for Tx Descriptor
Queue scheduling among TCs, which can be used for min_rate shaping.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch changes the order of arguments for TC weight/credit setter
functions.
Having the "value to be set" on the right is slightly more robust in
a sense that it's more natural for the humans, so it's a bit more
error-proof this way.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch changes the TC-queue mapping mechanism used on A2.
Configure the A2 HW in such a way that we can keep queue index mapping
exactly as it was on A1.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for automatic queue number downgrade.
On A2: this is a must have, because only TC0/TC1 support more than 4Q.
Other TCs support 4Qs maximum.
Thus, on A2 we must downgrade the number of queues per TC to 4, if more
than 2 TCs are requested.
On A1: this allows using 8TCs even on systems with cpu count >= 8, when
we have 8 queues by default.
We will just automatically switch to 8TCx4Q mode in this case.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds initial support for mqprio rate limiters (max_rate only).
Atlantic HW supports Rate-Shaping for time-sensitive traffic at per
Traffic Class (TC) granularity.
Target rate is defined by:
* nominal link rate (always 10G);
* rate factor (ratio between nominal rate and max allowed).
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch updates TCVEC2RING to accept nic_cfg, which is needed to be able
to use it from hw_atl.
The name is updated to reflect the changes.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for per-TC queue statistics.
By default (single TC), the output is the same as it used to be, e.g.:
Queue[0] InPackets: 2
Queue[0] OutPackets: 8
Queue[0] Restarts: 0
Queue[0] InJumboPackets: 0
Queue[0] InLroPackets: 0
Queue[0] InErrors: 0
If several TCs are enabled, then each queue statistics line is prefixed
with TC number, e.g.:
TC0 Queue[0] InPackets: 6
TC0 Queue[0] OutPackets: 11
Queue numbering is end-to-end, so:
TC1 Queue[4] InPackets: 0
TC1 Queue[4] OutPackets: 22
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds multi-TC support.
PTP is automatically disabled when the user enables more than 2 TCs,
otherwise traffic on TC2 won't quite work, because it's reserved for PTP.
Signed-off-by: Dmitry Bezrukov <dbezrukov@marvell.com>
Co-developed-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Signed-off-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Co-developed-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch contains the following changes:
* add cfg->is_ptp (used for PTP enable/disable switch, which
is described in more details below);
* add cfg->tc_mode (A1 supports 2 HW modes only);
* setup queue to TC mapping based on TC mode on A2;
* remove hw_tx_tc_mode_get / hw_rx_tc_mode_get hw_ops.
In the first generation of our hardware (A1), a whole traffic class is
consumed for PTP handling in FW (FW uses it to send the ptp data and to
send back timestamps).
The 'is_ptp' flag introduced in this patch will be used in to automatically
disable PTP when a conflicting configuration is detected, e.g. when
multiple TCs are enabled.
Signed-off-by: Dmitry Bezrukov <dbezrukov@marvell.com>
Co-developed-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves the PTP TC initialization into a separate function.
Signed-off-by: Dmitry Bezrukov <dbezrukov@marvell.com>
Co-developed-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch contains the following changes:
* access cfg via aq_nic_get_cfg() in aq_nic_start() and aq_nic_map_skb();
* call aq_nic_get_dev() just once in aq_nic_map_skb();
* move ring allocation/deallocation out of aq_vec_alloc()/aq_vec_free();
* add the missing aq_nic_deinit() in atl_resume_common();
* rename 'tcs' field to 'tcs_max' in aq_hw_caps_s to differentiate it from
the 'tcs' field in aq_nic_cfg_s, which is used for the current number of
TCs;
* update _TC_MAX defines to the actual number of supported TCs;
* move tx_tc_mode register defines slightly higher (just to keep the order
of definitions);
* separate variables for TX/RX buff_size in hw_atl*_hw_qos_set();
* use AQ_HW_*_TC instead of hardcoded magic numbers;
* actually use the 'ret' value in aq_mdo_add_secy();
Signed-off-by: Dmitry Bezrukov <dbezrukov@marvell.com>
Co-developed-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2020-05-21
This series contains updates to ice driver only. Several of the changes
are fixes, which could be backported to stable, of which, only one was
marked for stable because of the memory leak potential.
Jake exposes the information in the flash memory used for link
management, which is called the netlist module.
Henry and Tony add support for tunnel offloads.
Brett adds promiscuous support in VF's which is based on VF trust and
the new vf-true-promisc flag.
Avinash fixes an issue where a transmit timeout for a queue that belongs
to a PFC enabled TC is not a true transmit timeout, but because the PFC
is in action.
Dave fixes the check for contiguous TCs to allow for various UP2TC
mapping configurations. Also fixed an issue when changing the pause
parameters would could multiple link drop/down's in succession, which in
turn caused the firmware to not generate a link interrupt for the driver
to respond to.
Anirudh (Ani) fixed a potential race condition in probe/open due to a
bit being cleared too early.
Lihong updates an error message to make it more meaningful instead of
just printing out the numerical value of the status/error code. Also
fixed an incorrect return value if deleting a filter does not find a
match to delete or when adding a filter that already exists.
Karol fixes casting issues and precision loss in the driver.
Jesse make the sign usage more consistent in the driver by making sure
all instances of vf_id are unsigned, since it can never be negative.
Eric fixes a potential memory leak in ice_add_prof_id_vsig() where was
not cleaning up resources properly when an error occurs.
Michal to help organize the filtering code in the driver, refactor the
code into a separate file and add functions to prepare the filter
information.
Bruce cleaned up a conditional statement that always resulted in true
and provided a comment to make it more obvious. Also cleaned up
redundant code checks.
Tony helps with potential namespace issues by renaming a 'ice' specific
function with the driver name prepended.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Roopa Prabhu says:
====================
Support for fdb ECMP nexthop groups
This series introduces ecmp nexthops and nexthop groups
for mac fdb entries. In subsequent patches this is used
by the vxlan driver fdb entries. The use case is
E-VPN multihoming [1,2,3] which requires bridged vxlan traffic
to be load balanced to remote switches (vteps) belonging to
the same multi-homed ethernet segment (This is analogous to
a multi-homed LAG but over vxlan).
Changes include new nexthop flag NHA_FDB for nexthops
referenced by fdb entries. These nexthops only have ip.
The patches make sure that routes dont reference such nexthops.
example:
$ip nexthop add id 12 via 172.16.1.2 fdb
$ip nexthop add id 13 via 172.16.1.3 fdb
$ip nexthop add id 102 group 12/13 fdb
$bridge fdb add 02:02:00:00:00:13 dev vxlan1000 nhid 101 self
[1] E-VPN https://tools.ietf.org/html/rfc7432
[2] E-VPN VxLAN: https://tools.ietf.org/html/rfc8365
[3] LPC talk with mention of nexthop groups for L2 ecmp
http://vger.kernel.org/lpc_net2018_talks/scaling_bridge_fdb_database_slidesV3.pdf
v4 -
- fix error path free_skb in vxlan_xmit_nh
- fix atomic notifier initialization issue
(Reported-by: kernel test robot <rong.a.chen@intel.com>)
The reported error was easy to locate and fix, but i was not
able to re-test with the robot reproducer script due to some
other issues with running the script on my test system.
v3 - fix wording in selftest print as pointed out by davidA
v2 -
- dropped nikolays fixes for nexthop multipath null pointer deref
(he will send those separately)
- added negative tests for route add with fdb nexthop + a few more
- Fixes for a few fdb replace conditions found during more testing
- Moved to rcu_dereference_rtnl in vxlan_fdb_info and consolidate rcu
dereferences
- Fixes to build failures Reported-by: kbuild test robot <lkp@intel.com>
- DavidA, I am going to send a separate patch for the neighbor code validation
for NDA_NH_ID if thats ok.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit adds ipv4 and ipv6 fdb nexthop api tests to fib_nexthops.sh.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
vxlan driver registers for nexthop add/del notifiers to
cleanup fdb entries pointing to such nexthops.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds nexthop add/del notifiers. To be used by
vxlan driver in a later patch. Could possibly be used by
switchdev drivers in the future.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Todays vxlan mac fdb entries can point to multiple remote
ips (rdsts) with the sole purpose of replicating
broadcast-multicast and unknown unicast packets to those remote ips.
E-VPN multihoming [1,2,3] requires bridged vxlan traffic to be
load balanced to remote switches (vteps) belonging to the
same multi-homed ethernet segment (E-VPN multihoming is analogous
to multi-homed LAG implementations, but with the inter-switch
peerlink replaced with a vxlan tunnel). In other words it needs
support for mac ecmp. Furthermore, for faster convergence, E-VPN
multihoming needs the ability to update fdb ecmp nexthops independent
of the fdb entries.
New route nexthop API is perfect for this usecase.
This patch extends the vxlan fdb code to take a nexthop id
pointing to an ecmp nexthop group.
Changes include:
- New NDA_NH_ID attribute for fdbs
- Use the newly added fdb nexthop groups
- makes vxlan rdsts and nexthop handling code mutually
exclusive
- since this is a new use-case and the requirement is for ecmp
nexthop groups, the fdb add and update path checks that the
nexthop is really an ecmp nexthop group. This check can be relaxed
in the future, if we want to introduce replication fdb nexthop groups
and allow its use in lieu of current rdst lists.
- fdb update requests with nexthop id's only allowed for existing
fdb's that have nexthop id's
- learning will not override an existing fdb entry with nexthop
group
- I have wrapped the switchdev offload code around the presence of
rdst
[1] E-VPN RFC https://tools.ietf.org/html/rfc7432
[2] E-VPN with vxlan https://tools.ietf.org/html/rfc8365
[3] http://vger.kernel.org/lpc_net2018_talks/scaling_bridge_fdb_database_slidesV3.pdf
Includes a null check fix in vxlan_xmit from Nikolay
v2 - Fixed build issue:
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch introduces ecmp nexthops and nexthop groups
for mac fdb entries. In subsequent patches this is used
by the vxlan driver fdb entries. The use case is
E-VPN multihoming [1,2,3] which requires bridged vxlan traffic
to be load balanced to remote switches (vteps) belonging to
the same multi-homed ethernet segment (This is analogous to
a multi-homed LAG but over vxlan).
Changes include new nexthop flag NHA_FDB for nexthops
referenced by fdb entries. These nexthops only have ip.
This patch includes appropriate checks to avoid routes
referencing such nexthops.
example:
$ip nexthop add id 12 via 172.16.1.2 fdb
$ip nexthop add id 13 via 172.16.1.3 fdb
$ip nexthop add id 102 group 12/13 fdb
$bridge fdb add 02:02:00:00:00:13 dev vxlan1000 nhid 101 self
[1] E-VPN https://tools.ietf.org/html/rfc7432
[2] E-VPN VxLAN: https://tools.ietf.org/html/rfc8365
[3] LPC talk with mention of nexthop groups for L2 ecmp
http://vger.kernel.org/lpc_net2018_talks/scaling_bridge_fdb_database_slidesV3.pdf
v4 - fixed uninitialized variable reported by kernel test robot
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2020-05-21
This series contains updates to igc and e1000.
Andre cleans up code that was left over from the igb driver that handled
MAC address filters based on the source address, which is not currently
supported. Simplifies the MAC address filtering code and prepare the
igc driver for future source address support. Updated the MAC address
filter internal APIs to support filters based on source address. Added
support for Network Flow Classification (NFC) rules based on source MAC
address. Cleaned up the 'cookie' field which is not used anywhere in
the code and cleaned up a wrapper function that was not needed.
Simplified the filtering code for readability and aligned the ethtool
functions, so that function names were consistent.
Alex provides a fix for e1000 to resolve a deadlock issue when NAPI is
being disabled.
Sasha does additional cleanup of the igc driver of dead code that is not
used or needed.
v2: Fix the function header comment in patch 3 of the series, based on
the feedback from Jakub Kicinski.
====================
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'io_uring-5.7-2020-05-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"A small collection of small fixes that should go into this release:
- Two fixes for async request preparation (Pavel)
- Busy clear fix for SQPOLL (Xiaoguang)
- Don't use kiocb->private for O_DIRECT buf index, some file systems
use it (Bijan)
- Kill dead check in io_splice()
- Ensure sqo_wait is initialized early
- Cancel task_work if we fail adding to original process
- Only add (IO)pollable requests to iopoll list, fixing a regression
in this merge window"
* tag 'io_uring-5.7-2020-05-22' of git://git.kernel.dk/linux-block:
io_uring: reset -EBUSY error when io sq thread is waken up
io_uring: don't add non-IO requests to iopoll pending list
io_uring: don't use kiocb.private to store buf_index
io_uring: cancel work if task_work_add() fails
io_uring: remove dead check in io_splice()
io_uring: fix FORCE_ASYNC req preparation
io_uring: don't prepare DRAIN reqs twice
io_uring: initialize ctx->sqo_wait earlier
This tag contains two fixes:
* Another !MMU build fix that was a straggler from last week.
* A fix to use the "register" keyword for the GP global register variable.
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Merge tag 'riscv-for-linus-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"Two fixes:
- Another !MMU build fix that was a straggler from last week
- A fix to use the "register" keyword for the GP global register
variable"
* tag 'riscv-for-linus-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: gp_in_global needs register keyword
riscv: Fix print_vm_layout build error if NOMMU
- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors
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Merge tag 'efi-fixes-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull EFI fixes from Ard Biesheuvel:
"- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors"
Normally, show_trace_log_lvl() scans the stack, looking for text
addresses to print. In parallel, it unwinds the stack with
unwind_next_frame(). If the stack address matches the pointer returned
by unwind_get_return_address_ptr() for the current frame, the text
address is printed normally without a question mark. Otherwise it's
considered a breadcrumb (potentially from a previous call path) and it's
printed with a question mark to indicate that the address is unreliable
and typically can be ignored.
Since the following commit:
f1d9a2abff ("x86/unwind/orc: Don't skip the first frame for inactive tasks")
... for inactive tasks, show_trace_log_lvl() prints *only* unreliable
addresses (prepended with '?').
That happens because, for the first frame of an inactive task,
unwind_get_return_address_ptr() returns the wrong return address
pointer: one word *below* the task stack pointer. show_trace_log_lvl()
starts scanning at the stack pointer itself, so it never finds the first
'reliable' address, causing only guesses to being printed.
The first frame of an inactive task isn't a normal stack frame. It's
actually just an instance of 'struct inactive_task_frame' which is left
behind by __switch_to_asm(). Now that this inactive frame is actually
exposed to callers, fix unwind_get_return_address_ptr() to interpret it
properly.
Fixes: f1d9a2abff ("x86/unwind/orc: Don't skip the first frame for inactive tasks")
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200522135435.vbxs7umku5pyrdbk@treble
- Annotate variable assignment in get_user() with the type to avoid
sparse warnings.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Bring the PTRACE_SYSEMU semantics in line with the man page.
- Annotate variable assignment in get_user() with the type to avoid
sparse warnings.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add get_user() type annotation on the !access_ok() path
arm64: Fix PTRACE_SYSEMU semantics
Just a few small fixes: the only significant one is a slight
improvement for PCM running position update with no-period-elapsed
case while the rest are HD-audio fixups and ice1712 model quirk.
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Merge tag 'sound-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few small fixes: the only significant one is a slight
improvement for PCM running position update with no-period-elapsed
case while the rest are HD-audio fixups and ice1712 model quirk"
* tag 'sound-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Add more fixup entries for Clevo machines
ALSA: iec1712: Initialize STDSP24 properly when using the model=staudio option
ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Xtreme
ALSA: pcm: fix incorrect hw_base increase
Sparse reports "Using plain integer as NULL pointer" when the arm64
__get_user_error() assigns 0 to a pointer type. Use proper type
annotation.
Signed-of-by: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: kbuild test robot <lkp@intel.com>
Link: http://lkml.kernel.org/r/20200522142321.GP23230@ZenIV.linux.org.uk
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A revert of a recent change to the PTE bits for 32-bit BookS, which broke swap.
And a "fix" to disable STRICT_KERNEL_RWX for 64-bit in Kconfig, as it's causing
crashes for some people.
Thanks to:
Christophe Leroy, Rui Salvaterra.
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Merge tag 'powerpc-5.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- a revert of a recent change to the PTE bits for 32-bit BookS, which
broke swap.
- a "fix" to disable STRICT_KERNEL_RWX for 64-bit in Kconfig, as it's
causing crashes for some people.
Thanks to Christophe Leroy and Rui Salvaterra.
* tag 'powerpc-5.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Disable STRICT_KERNEL_RWX
Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
In file included from ./include/linux/firmware.h:6:0,
from drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:4:
In function ‘__mt7915_mcu_msg_send’,
inlined from ‘mt7915_mcu_send_message’ at drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:370:6:
./include/linux/compiler.h:396:38: error: call to ‘__compiletime_assert_545’ declared with attribute error: BUILD_BUG_ON failed: cmd == MCU_EXT_CMD_EFUSE_ACCESS && mcu_txd->set_query != MCU_Q_QUERY
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
./include/linux/compiler.h:377:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^~~~~~
./include/linux/compiler.h:396:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:280:2: note: in expansion of macro ‘BUILD_BUG_ON’
BUILD_BUG_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
^~~~~~~~~~~~
BUILD_BUG_ON is meaningless here, chang it to WARN_ON.
Fixes: e57b790146 ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200522034533.61716-1-yuehaibing@huawei.com
In commit a63fc6b75c ("rcu: Upgrade rcu_swap_protected() to
rcu_replace_pointer()") a new helper macro named rcu_replace_pointer() was
introduced to simplify code requiring to switch an rcu pointer to a new
value while extracting the old one.
Use rcu_replace_pointer() where appropriate to make code slimer.
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
The commit 1a33e10e4a ("net: partially revert dynamic lockdep key
changes") reverts the commit ab92d68fc2 ("net: core: add generic lockdep
keys"). But it forgot to also revert the commit 5759af0682 ("batman-adv:
Drop lockdep.h include for soft-interface.c") which depends on the latter.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
DMA transfers to and from the SD card stall for 10 seconds and run into
timeout on RTS5260 card readers after ASPM was enabled.
Adding a short msleep after disabling ASPM fixes the issue on several
Dell Precision 7530/7540 systems I tested.
This function is only called when waking up after the chip went into
power-save after not transferring data for a few seconds. The added
msleep does therefore not change anything in data transfer speed or
induce any excessive waiting while data transfers are running, or the
chip is sleeping. Only the transition from sleep to active is affected.
Signed-off-by: Klaus Doth <kdlnx@doth.eu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/4434eaa7-2ee3-a560-faee-6cee63ebd6d4@doth.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
