Aneesh Kumar K.V dd0e144a63 powerpc/mm: Fix WARN_ON with THP NUMA migration ... WARNING: CPU: 12 PID: 4322 at /arch/powerpc/mm/pgtable-book3s64.c:76 set_pmd_at+0x4c/0x2b0 Modules linked in: CPU: 12 PID: 4322 Comm: qemu-system-ppc Tainted: G W 4.19.0-rc3-00758-g8f0c636b0542 #36 NIP: c0000000000872fc LR: c000000000484eec CTR: 0000000000000000 REGS: c000003fba876fe0 TRAP: 0700 Tainted: G W (4.19.0-rc3-00758-g8f0c636b0542) MSR: 900000010282b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE,TM[E]> CR: 24282884 XER: 00000000 CFAR: c000000000484ee8 IRQMASK: 0 GPR00: c000000000484eec c000003fba877268 c000000001f0ec00 c000003fbd229f80 GPR04: 00007c8fe8e00000 c000003f864c5a38 860300853e0000c0 0000000000000080 GPR08: 0000000080000000 0000000000000001 0401000000000080 0000000000000001 GPR12: 0000000000002000 c000003fffff5400 c000003fce292000 00007c9024570000 GPR16: 0000000000000000 0000000000ffffff 0000000000000001 c000000001885950 GPR20: 0000000000000000 001ffffc0004807c 0000000000000008 c000000001f49d05 GPR24: 00007c8fe8e00000 c0000000020f2468 ffffffffffffffff c000003fcd33b090 GPR28: 00007c8fe8e00000 c000003fbd229f80 c000003f864c5a38 860300853e0000c0 NIP [c0000000000872fc] set_pmd_at+0x4c/0x2b0 LR [c000000000484eec] do_huge_pmd_numa_page+0xb1c/0xc20 Call Trace: [c000003fba877268] [c00000000045931c] mpol_misplaced+0x1bc/0x230 (unreliable) [c000003fba8772c8] [c000000000484eec] do_huge_pmd_numa_page+0xb1c/0xc20 [c000003fba877398] [c00000000040d344] __handle_mm_fault+0x5e4/0x2300 [c000003fba8774d8] [c00000000040f400] handle_mm_fault+0x3a0/0x420 [c000003fba877528] [c0000000003ff6f4] __get_user_pages+0x2e4/0x560 [c000003fba877628] [c000000000400314] get_user_pages_unlocked+0x104/0x2a0 [c000003fba8776c8] [c000000000118f44] __gfn_to_pfn_memslot+0x284/0x6a0 [c000003fba877748] [c0000000001463a0] kvmppc_book3s_radix_page_fault+0x360/0x12d0 [c000003fba877838] [c000000000142228] kvmppc_book3s_hv_page_fault+0x48/0x1300 [c000003fba877988] [c00000000013dc08] kvmppc_vcpu_run_hv+0x1808/0x1b50 [c000003fba877af8] [c000000000126b44] kvmppc_vcpu_run+0x34/0x50 [c000003fba877b18] [c000000000123268] kvm_arch_vcpu_ioctl_run+0x288/0x2d0 [c000003fba877b98] [c00000000011253c] kvm_vcpu_ioctl+0x1fc/0x8c0 [c000003fba877d08] [c0000000004e9b24] do_vfs_ioctl+0xa44/0xae0 [c000003fba877db8] [c0000000004e9c44] ksys_ioctl+0x84/0xf0 [c000003fba877e08] [c0000000004e9cd8] sys_ioctl+0x28/0x80 We removed the pte_protnone check earlier with the understanding that we mark the pte invalid before the set_pte/set_pmd usage. But the huge pmd autonuma still use the set_pmd_at directly. This is ok because a protnone pte won't have translation cache in TLB. Fixes: da7ad366b4 ("powerpc/mm/book3s: Update pmd_present to look at _PAGE_PRESENT bit") Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2018-10-20 13:26:47 +11:00
..
alpha	Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2018-08-24 09:25:39 -07:00
arc	ARC: don't check for HIGHMEM pages in arch_dma_alloc	2018-09-04 13:21:38 -07:00
arm	Fixes for KVM/ARM for Linux v4.19 v2:	2018-09-07 18:38:25 +02:00
arm64	KVM fixes for 4.19-rc3	2018-09-08 15:52:45 -07:00
c6x	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
h8300	Kbuild updates for v4.19 (2nd)	2018-08-25 13:40:38 -07:00
hexagon	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
ia64	ia64: Fix allnoconfig section mismatch for ioc_init/ioc_iommu_info	2018-08-22 14:12:47 -07:00
m68k	macintosh: Use common code to access RTC	2018-10-08 22:53:10 +11:00
microblaze	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
mips	KVM fixes for 4.19-rc3	2018-09-08 15:52:45 -07:00
nds32	nds32: linker script: GCOV kernel may refers data in __exit	2018-09-05 10:16:26 +08:00
nios2	nios2: kconfig: remove duplicate DEBUG_STACK_USAGE symbol defintions	2018-08-27 09:47:20 +08:00
openrisc	OpenRISC updates for 4.19	2018-08-23 14:09:37 -07:00
parisc	Merge branch 'parisc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux	2018-08-22 14:06:37 -07:00
powerpc	powerpc/mm: Fix WARN_ON with THP NUMA migration	2018-10-20 13:26:47 +11:00
riscv	RISC-V: Use a less ugly workaround for unused variable warnings	2018-08-28 12:58:36 -07:00
s390	KVM: s390: Properly lock mm context allow_gmap_hpage_1m setting	2018-09-04 11:40:26 +02:00
sh	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
sparc	sparc: set a default 32-bit dma mask for OF devices	2018-09-02 10:02:04 +02:00
um	kbuild: rename LDFLAGS to KBUILD_LDFLAGS	2018-08-24 08:22:08 +09:00
unicore32	mm: convert return type of handle_mm_fault() caller to vm_fault_t	2018-08-17 16:20:28 -07:00
x86	Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2018-09-09 07:05:15 -07:00
xtensa	Kbuild updates for v4.19 (2nd)	2018-08-25 13:40:38 -07:00
.gitignore	…
Kconfig	Merge branch 'tlb-fixes'	2018-08-23 14:55:01 -07:00