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authorWill Deacon <will@kernel.org>2020-05-05 15:15:58 +0100
committerWill Deacon <will@kernel.org>2020-05-05 15:15:58 +0100
commit80e4e561321595d2e5f4a173e8cf8d8432078995 (patch)
tree50f80176b431998f25b45b68300a92765d6c05d9 /fs/proc/task_mmu.c
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
parent5d1b631c773ffbbadcbb3176a2ae0ea9d1c114c7 (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 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8d382d4ec067..b73cdbb221e8 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -638,6 +638,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_ARCH_1)] = "ar",
[ilog2(VM_WIPEONFORK)] = "wf",
[ilog2(VM_DONTDUMP)] = "dd",
+#ifdef CONFIG_ARM64_BTI
+ [ilog2(VM_ARM64_BTI)] = "bt",
+#endif
#ifdef CONFIG_MEM_SOFT_DIRTY
[ilog2(VM_SOFTDIRTY)] = "sd",
#endif