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authorPaul Burton <paul.burton@imgtec.com>2015-07-27 12:58:24 -0700
committerRalf Baechle <ralf@linux-mips.org>2015-09-03 12:07:59 +0200
commit4c0630346e2fcfe68eac8fa31d38daf04570e671 (patch)
tree844194f616b2378ae79760e19ef95620fedb7032 /arch/mips/kernel
parente14f1db7a61f016d74393ca9e8fc49a91d27f603 (diff)
downloadop-kernel-dev-4c0630346e2fcfe68eac8fa31d38daf04570e671.zip
op-kernel-dev-4c0630346e2fcfe68eac8fa31d38daf04570e671.tar.gz
MIPS: Advertise MIPSr6 via HWCAP when appropriate
When running on a CPU implementing the release 6 of the MIPS32 or MIPS64 ISA, advertise that to userland via the appropriate HWCAP bit. 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/10798/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r--arch/mips/kernel/cpu-probe.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b6c1fee..380a14b 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1524,6 +1524,9 @@ void cpu_probe(void)
else
c->srsets = 1;
+ if (cpu_has_mips_r6)
+ elf_hwcap |= HWCAP_MIPS_R6;
+
if (cpu_has_msa) {
c->msa_id = cpu_get_msa_id();
WARN(c->msa_id & MSA_IR_WRPF,
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