summaryrefslogtreecommitdiffstats
path: root/arch/mips/kernel/cpu-probe.c
diff options
context:
space:
mode:
authorDavid Daney <david.daney@cavium.com>2013-02-16 23:42:43 +0100
committerJohn Crispin <blogic@openwrt.org>2013-02-19 09:36:36 +0100
commit1e7decdb27ae89b2a0626635a8cf527f930bff1c (patch)
tree6c59de5d008b7021331c3f49348510e6adb6607e /arch/mips/kernel/cpu-probe.c
parent27ea052acb9eaca98cc90bf1b8738b6d0ea5bc2f (diff)
MIPS: Probe for and report hardware virtualization support.
The presence of the MIPS Virtualization Application-Specific Extension is indicated by CP0_Config3[23]. Probe for this and report it in /proc/cpuinfo. Signed-off-by: David Daney <david.daney@cavium.com> Patchwork: http://patchwork.linux-mips.org/patch/4904/ Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index ba169022fe1..0c69d1d1408 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -442,6 +442,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
c->options |= MIPS_CPU_ULRI;
if (config3 & MIPS_CONF3_ISA)
c->options |= MIPS_CPU_MICROMIPS;
+ if (config3 & MIPS_CONF3_VZ)
+ c->ases |= MIPS_ASE_VZ;
return config3 & MIPS_CONF_M;
}