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| author | Will Deacon <will@kernel.org> | 2020-05-05 15:15:58 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-05-05 15:15:58 +0100 |
| commit | 80e4e561321595d2e5f4a173e8cf8d8432078995 (patch) | |
| tree | 50f80176b431998f25b45b68300a92765d6c05d9 /include/linux/mm.h | |
| parent | 6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff) | |
| parent | 5d1b631c773ffbbadcbb3176a2ae0ea9d1c114c7 (diff) | |
Merge branch 'for-next/bti-user' into for-next/bti
Merge in user support for Branch Target Identification, which narrowly
missed the cut for 5.7 after a late ABI concern.
* for-next/bti-user:
arm64: bti: Document behaviour for dynamically linked binaries
arm64: elf: Fix allnoconfig kernel build with !ARCH_USE_GNU_PROPERTY
arm64: BTI: Add Kconfig entry for userspace BTI
mm: smaps: Report arm64 guarded pages in smaps
arm64: mm: Display guarded pages in ptdump
KVM: arm64: BTI: Reset BTYPE when skipping emulated instructions
arm64: BTI: Reset BTYPE when skipping emulated instructions
arm64: traps: Shuffle code to eliminate forward declarations
arm64: unify native/compat instruction skipping
arm64: BTI: Decode BYTPE bits when printing PSTATE
arm64: elf: Enable BTI at exec based on ELF program properties
elf: Allow arch to tweak initial mmap prot flags
arm64: Basic Branch Target Identification support
ELF: Add ELF program property parsing support
ELF: UAPI and Kconfig additions for ELF program properties
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 5a323422d783..b61ca546eea4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -325,6 +325,9 @@ extern unsigned int kobjsize(const void *objp); #elif defined(CONFIG_SPARC64) # define VM_SPARC_ADI VM_ARCH_1 /* Uses ADI tag for access control */ # define VM_ARCH_CLEAR VM_SPARC_ADI +#elif defined(CONFIG_ARM64) +# define VM_ARM64_BTI VM_ARCH_1 /* BTI guarded page, a.k.a. GP bit */ +# define VM_ARCH_CLEAR VM_ARM64_BTI #elif !defined(CONFIG_MMU) # define VM_MAPPED_COPY VM_ARCH_1 /* T if mapped copy of data (nommu mmap) */ #endif |