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authorJames Hogan <james.hogan@imgtec.com>2016-07-25 16:59:50 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-07-28 12:06:16 +0200
commit233b2ca181f20674ecad11be90b00814911ce345 (patch)
tree0d7fd485f87fc907750a3e9f9d8eff572ce510e1 /arch/mips/include/asm/elf.h
parent7e78db997547470445c6e323a0b4b7a8c81f2baa (diff)
downloadlinux-233b2ca181f20674ecad11be90b00814911ce345.tar.bz2
MIPS: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
AT_VECTOR_SIZE_ARCH should be defined with the maximum number of NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined for MIPS at all even though ARCH_DLINFO will contain one NEW_AUX_ENT for the VDSO address. This shouldn't be a problem as AT_VECTOR_SIZE_BASE includes space for AT_BASE_PLATFORM which MIPS doesn't use, but lets define it now and add the comment above ARCH_DLINFO as found in several other architectures to remind future modifiers of ARCH_DLINFO to keep AT_VECTOR_SIZE_ARCH up to date. Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO") Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13823/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/elf.h')
-rw-r--r--arch/mips/include/asm/elf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index f5f45717968e..ede8c4ff56f7 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -458,6 +458,7 @@ extern const char *__elf_platform;
#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
#endif
+/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
#define ARCH_DLINFO \
do { \
NEW_AUX_ENT(AT_SYSINFO_EHDR, \