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| author | Paul Burton <paul.burton@imgtec.com> | 2015-07-27 12:58:25 -0700 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 12:08:00 +0200 |
| commit | 3cc9fa7fb3e38e83e59977c8bc5c355687232362 (patch) | |
| tree | 5f05d6a17e4bdaf63b02c66f683ab393aa2f34e1 /arch/mips/kernel | |
| parent | 4c0630346e2fcfe68eac8fa31d38daf04570e671 (diff) | |
| download | linux-3cc9fa7fb3e38e83e59977c8bc5c355687232362.tar.gz linux-3cc9fa7fb3e38e83e59977c8bc5c355687232362.tar.bz2 linux-3cc9fa7fb3e38e83e59977c8bc5c355687232362.zip | |
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>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 380a14b8772e..571a8e6ea5bd 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); |