[PATCH v2 2/5] binfmt_elf: add ELF_HWCAP2 to compat auxv entries

From: Ard Biesheuvel
Date: Mon Dec 23 2013 - 09:08:03 EST


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@xxxxxxxxxx>
---
fs/compat_binfmt_elf.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index a81147e..4d24d17 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -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
--
1.8.3.2

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