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binfmt_elf: add ELF_HWCAP2 to compat auxv entries

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Add ELF_HWCAP2 to the set of auxv entries that is passed to
a 32-bit ELF program running in 32-bit compat mode under a
64-bit kernel.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 66d6e3b385)
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Ard Biesheuvel
2014-03-03 07:34:44 +00:00
committed by Mark Brown
parent 75a566ceb1
commit 3d65586ebc
1 changed files with 5 additions and 0 deletions
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5
fs/compat_binfmt_elf.c
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@@ -88,6 +88,11 @@ static void cputime_to_compat_timeval(const cputime_t cputime,
#define ELF_HWCAP COMPAT_ELF_HWCAP
#endif
#ifdef COMPAT_ELF_HWCAP2
#undef ELF_HWCAP2
#define ELF_HWCAP2 COMPAT_ELF_HWCAP2
#endif
#ifdef COMPAT_ARCH_DLINFO
#undef ARCH_DLINFO
#define ARCH_DLINFO COMPAT_ARCH_DLINFO