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authorPaul Burton <paul.burton@imgtec.com>2015-07-27 12:58:25 -0700
committerRalf Baechle <ralf@linux-mips.org>2015-09-03 12:08:00 +0200
commit3cc9fa7fb3e38e83e59977c8bc5c355687232362 (patch)
tree5f05d6a17e4bdaf63b02c66f683ab393aa2f34e1
parent4c0630346e2fcfe68eac8fa31d38daf04570e671 (diff)
downloadop-kernel-dev-3cc9fa7fb3e38e83e59977c8bc5c355687232362.zip
op-kernel-dev-3cc9fa7fb3e38e83e59977c8bc5c355687232362.tar.gz
MIPS: Advertise MSA support via HWCAP when present
If MSA is supported by both the hardware & the kernel then advertise that support to userland via the AT_HWCAP aux vector. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Guenter Roeck <linux@roeck-us.net> Cc: Matthew Fortune <matthew.fortune@imgtec.com> Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Cc: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-kernel@vger.kernel.org Cc: Huacai Chen <chenhc@lemote.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/10799/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/kernel/cpu-probe.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 380a14b..571a8e6 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1531,6 +1531,7 @@ void cpu_probe(void)
c->msa_id = cpu_get_msa_id();
WARN(c->msa_id & MSA_IR_WRPF,
"Vector register partitioning unimplemented!");
+ elf_hwcap |= HWCAP_MIPS_MSA;
}
cpu_probe_vmbits(c);
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