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linux/arch/powerpc/mm
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Ram Pai eabdb8ca86 powerpc/pkeys: Detach execute_only key on !PROT_EXEC 
Disassociate the exec_key from a VMA if the VMA permission is not
PROT_EXEC anymore. Otherwise the exec_only key continues to be
associated with the vma, causing unexpected behavior.

The problem was reported on x86 by Shakeel Butt, which is also
applicable on powerpc.

Fixes: 5586cf61e108 ("powerpc: introduce execute-only pkey")
Cc: stable@vger.kernel.org # v4.16+
Reported-by: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-06-05 11:03:25 +10:00
..
8xx_mmu.c
powerpc/mm/slice: Fix hugepage allocation at hint address on 8xx
2018-03-06 09:21:23 +11:00
40x_mmu.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
44x_mmu.c
powerpc: Delete __cpuinit usage from all users
2013-07-01 11:10:36 +10:00
copro_fault.c
powerpc/mm: Add support for handling > 512TB address in SLB miss
2018-03-31 00:10:38 +11:00
dma-noncoherent.c
powerpc/mm: Rename map_page() to map_kernel_page() on 32-bit
2017-06-05 19:59:03 +10:00
drmem.c
powerpc/mm/drmem: Fix unexpected flag value in ibm,dynamic-memory-v2
2018-02-23 16:45:51 +11:00
dump_hashpagetable.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
dump_linuxpagetables.c
powerpc/mm: Introduce _PAGE_NA
2018-01-16 23:47:14 +11:00
fault.c
powerpc/mm: Only read faulting instruction when necessary in do_page_fault()
2018-05-25 00:08:25 +10:00
fsl_booke_mmu.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
hash64_4k.c
powerpc/mm/hash64: Store the slot information at the right offset for hugetlb
2018-02-13 22:37:48 +11:00
hash64_64k.c
powerpc/mm/hash64: Store the slot information at the right offset for hugetlb
2018-02-13 22:37:48 +11:00
hash_low_32.S
powerpc: fix location of two EXPORT_SYMBOL
2017-09-01 16:42:45 +10:00
hash_native_64.c
Merge branch 'fixes' into next
2018-03-28 22:59:50 +11:00
hash_utils_64.c
Merge branch 'topic/ppc-kvm' into next
2018-06-03 20:23:54 +10:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hugepage-hash64.c
powerpc/mm: Move hash table ops to a separate structure
2016-07-21 18:59:09 +10:00
hugetlbpage-book3e.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hugetlbpage-hash64.c
powerpc/mm/hash64: Store the slot information at the right offset for hugetlb
2018-02-13 22:37:48 +11:00
hugetlbpage-radix.c
powerpc updates for 4.15
2017-11-16 12:47:46 -08:00
hugetlbpage.c
powerpc/mm/hugetlb: Update hugetlb related locks
2018-06-03 20:40:37 +10:00
init_32.c
powerpc/mm/32: Remove the reserved memory hack
2018-04-01 00:47:44 +11:00
init_64.c
powerpc/mm/radix: Parse disable_radix commandline correctly.
2018-04-04 16:59:36 +10:00
init-common.c
powerpc/mm: Fix crashes with 16G huge pages
2018-02-13 22:37:47 +11:00
Makefile
powerpc: initial pkey plumbing
2018-01-20 21:45:03 +11:00
mem.c
powerpc/64s/radix: prefetch user address in update_mmu_cache
2018-06-03 20:40:35 +10:00
mmap.c
exec: pass stack rlimit into mm layout functions
2018-04-11 10:28:37 -07:00
mmu_context_book3s64.c
powerpc/mm: Implement helpers for pagetable fragment support at PMD level
2018-05-15 22:29:12 +10:00
mmu_context_hash32.c
powerpc: Remove power3 from comments
2014-07-28 14:10:26 +10:00
mmu_context_iommu.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
mmu_context_nohash.c
powerpc/mm: Remove stale_map[] handling on non SMP processors
2018-06-04 00:39:16 +10:00
mmu_context.c
powerpc/64s/radix: optimise pte_update
2018-06-03 20:40:36 +10:00
mmu_decl.h
powerpc/mm/32: Remove the reserved memory hack
2018-04-01 00:47:44 +11:00
numa.c
Merge branch 'topic/paca' into next
2018-03-31 09:09:36 +11:00
pgtable_32.c
powerpc/mm/32: Remove the reserved memory hack
2018-04-01 00:47:44 +11:00
pgtable_64.c
powerpc/mm: Use page fragments for allocation page table at PMD level
2018-05-15 22:29:12 +10:00
pgtable-book3e.c
powerpc/mm: Make page table size a variable
2016-05-01 18:32:48 +10:00
pgtable-book3s64.c
powerpc/64s/radix: prefetch user address in update_mmu_cache
2018-06-03 20:40:35 +10:00
pgtable-hash64.c
powerpc/mm: Use pmd_lockptr instead of opencoding it
2018-05-15 22:29:09 +10:00
pgtable-radix.c
powerpc/64s/radix: avoid ptesync after set_pte and ptep_set_access_flags
2018-06-03 20:40:36 +10:00
pgtable.c
powerpc/mm/hugetlb: Update hugetlb related locks
2018-06-03 20:40:37 +10:00
pkeys.c
powerpc/pkeys: Detach execute_only key on !PROT_EXEC
2018-06-05 11:03:25 +10:00
ppc_mmu_32.c
powerpc/sparse: Fix plain integer as NULL pointer warning
2018-05-25 12:04:38 +10:00
slb_low.S
powerpc/mm: Add support for handling > 512TB address in SLB miss
2018-03-31 00:10:38 +11:00
slb.c
powerpc/mm/hash: hard disable irq in the SLB insert path
2018-06-03 20:40:38 +10:00
slice.c
powerpc/8xx: Fix build with hugetlbfs enabled
2018-04-11 12:00:23 +10:00
subpage-prot.c
powerpc: Fix build by disabling attribute-alias warning for SYSCALL_DEFINEx
2018-06-03 20:40:24 +10:00
tlb_hash32.c
powerpc/sparse: Fix plain integer as NULL pointer warning
2018-05-25 12:04:38 +10:00
tlb_hash64.c
powerpc/mm: Add support for handling > 512TB address in SLB miss
2018-03-31 00:10:38 +11:00
tlb_low_64e.S
powerpc: Fix misspellings in comments.
2016-03-01 19:27:20 +11:00
tlb_nohash_low.S
powerpc/8xx: Getting rid of remaining use of CONFIG_8xx
2017-08-10 23:32:12 +10:00
tlb_nohash.c
powerpc/mm/nohash: do not flush the entire mm when range is a single page
2018-01-27 20:24:44 +11:00
tlb-radix.c
powerpc/64s/radix: flush remote CPUs out of single-threaded mm_cpumask
2018-06-03 20:40:36 +10:00
vphn.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vphn.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00