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authorRalf Baechle <ralf@linux-mips.org>2007-07-10 17:33:02 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-07-10 17:33:02 +0100
commita36920200c5b89d56120a5e839fe4a603d51b16c (patch)
treeaefb1fc4b0792ef788024fa596954a5689f15d0a /arch/mips/kernel/cpu-probe.c
parentd223a86154f8c66f5a380b17e1c8091d56f47cf8 (diff)
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[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>
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 b12eeee..27fc184 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;
}