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authorCatalin Marinas <catalin.marinas@arm.com>2014-11-17 10:37:40 +0000
committerWill Deacon <will.deacon@arm.com>2014-11-17 10:43:42 +0000
commit7d57511d2dba03a8046c8b428dd9192a4bfc1e73 (patch)
tree75fd94bbbe0a810668c65f950aa085715b463d1b /arch/arm64/kernel/setup.c
parentfb7332a9fedfd62b1ba6530c86f39f0fa38afd49 (diff)
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arm64: Add COMPAT_HWCAP_LPAE
Commit a469abd0f868 (ARM: elf: add new hwcap for identifying atomic ldrd/strd instructions) introduces HWCAP_ELF for 32-bit ARM applications. As LPAE is always present on arm64, report the corresponding compat HWCAP to user space. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: <stable@vger.kernel.org> # 3.11+ Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/setup.c')
-rw-r--r--arch/arm64/kernel/setup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 831c97fe1ae9..2e17bd3806c8 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -73,7 +73,8 @@ EXPORT_SYMBOL_GPL(elf_hwcap);
COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\
COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\
COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
- COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV)
+ COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV|\
+ COMPAT_HWCAP_LPAE)
unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
unsigned int compat_elf_hwcap2 __read_mostly;
#endif