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author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-02-27 16:18:46 +0100 |
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committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-02-27 16:18:46 +0100 |
commit | 018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (patch) | |
tree | fadde2521591998dc653fa094c636e8a547e620d /arch/mips/kernel/cpu-probe.c | |
parent | 1dd2980d990068e20045b90c424518cc7f3657ff (diff) | |
parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
download | op-kernel-dev-018cbffe6819f6f8db20a0a3acd9bab9bfd667e4.zip op-kernel-dev-018cbffe6819f6f8db20a0a3acd9bab9bfd667e4.tar.gz |
Merge commit 'v2.6.33' into perf/core
Merge reason:
__percpu annotations need the corresponding sparse address
space definition upstream.
Conflicts:
tools/perf/util/probe-event.c (trivial)
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r-- | arch/mips/kernel/cpu-probe.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 80e202e..758ad42 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -284,6 +284,15 @@ static inline int __cpu_has_fpu(void) return ((cpu_get_fpu_id() & 0xff00) != FPIR_IMP_NONE); } +static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) +{ +#ifdef __NEED_VMBITS_PROBE + write_c0_entryhi(0x3fffffffffffe000ULL); + back_to_back_c0_hazard(); + c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL); +#endif +} + #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ | MIPS_CPU_COUNTER) @@ -969,6 +978,8 @@ __cpuinit void cpu_probe(void) c->srsets = ((read_c0_srsctl() >> 26) & 0x0f) + 1; else c->srsets = 1; + + cpu_probe_vmbits(c); } __cpuinit void cpu_report(void) |