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authorMichael Neuling <mikey@neuling.org>2013-04-17 17:33:11 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-04-26 16:08:16 +1000
commit2171364d1a92d0a101b455315de7a92efb566008 (patch)
treef9950115c41fc580b106d6c836ca567bb9af9b35 /fs/binfmt_elf_fdpic.c
parent6263fb3bd79834411e41acb8b02153e034ab810d (diff)
downloadlinux-linaro-stable-2171364d1a92d0a101b455315de7a92efb566008.tar.gz
powerpc: Add HWCAP2 aux entry
We are currently out of free bits in AT_HWCAP. With POWER8, we have several hardware features that we need to advertise. Tested on POWER and x86. Signed-off-by: Michael Neuling <michael@neuling.org> Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
-rw-r--r--fs/binfmt_elf_fdpic.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 9c13e023e2b7..bf2381d00132 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -483,7 +483,6 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
size_t platform_len = 0, len;
char *k_platform, *k_base_platform;
char __user *u_platform, *u_base_platform, *p;
- long hwcap;
int loop;
int nr; /* reset for each csp adjustment */
@@ -502,8 +501,6 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
return -EFAULT;
#endif
- hwcap = ELF_HWCAP;
-
/*
* If this architecture has a platform capability string, copy it
* to userspace. In some cases (Sparc), this info is impossible
@@ -617,7 +614,10 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
nr = 0;
csp -= DLINFO_ITEMS * 2 * sizeof(unsigned long);
- NEW_AUX_ENT(AT_HWCAP, hwcap);
+ NEW_AUX_ENT(AT_HWCAP, ELF_HWCAP);
+#ifdef ELF_HWCAP2
+ NEW_AUX_ENT(AT_HWCAP2, ELF_HWCAP2);
+#endif
NEW_AUX_ENT(AT_PAGESZ, PAGE_SIZE);
NEW_AUX_ENT(AT_CLKTCK, CLOCKS_PER_SEC);
NEW_AUX_ENT(AT_PHDR, exec_params->ph_addr);