[MIPS] Enable support for the userlocal hardware register

Which will cut down the cost of RDHWR $29 which is used to obtain the
TLS pointer and so far being emulated in software down to a single cycle
operation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b12eeee0e974..27fc1843423e 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -588,6 +588,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
                 c->options |= MIPS_CPU_VEIC;
         if (config3 & MIPS_CONF3_MT)
                 c->ases |= MIPS_ASE_MIPSMT;
+        if (config3 & MIPS_CONF3_ULRI)
+                c->options |= MIPS_CPU_ULRI;
 
         return config3 & MIPS_CONF_M;
 }