binfmt_elf: add ELF_HWCAP2 to compat auxv entries

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 <[email protected]> Acked-by: Andrew Morton <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
muzafferkal · Mar 4, 2014 · 66d6e3b · 66d6e3b
1 parent bff7059
commit 66d6e3b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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