diff options
author | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 19:20:34 -0500 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 19:20:34 -0500 |
commit | d02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch) | |
tree | c3ce99a00061bcc1199b50fa838147d876c56717 /arch/mips/kernel/cpu-probe.c | |
parent | 0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff) | |
parent | aef55d4922e62a0d887e60d87319f3718aec6ced (diff) |
Merge branch 'x86/irq' into x86/apic
Merge reason:
Conflicts in arch/x86/kernel/apic/io_apic.c
Resolved Conflicts:
arch/x86/kernel/apic/io_apic.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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 80e202eca056..9c187a64649b 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) | |||
284 | return ((cpu_get_fpu_id() & 0xff00) != FPIR_IMP_NONE); | 284 | return ((cpu_get_fpu_id() & 0xff00) != FPIR_IMP_NONE); |
285 | } | 285 | } |
286 | 286 | ||
287 | static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) | ||
288 | { | ||
289 | #ifdef __NEED_VMBITS_PROBE | ||
290 | write_c0_entryhi(0x3ffffffffffff000ULL); | ||
291 | back_to_back_c0_hazard(); | ||
292 | c->vmbits = fls64(read_c0_entryhi() & 0x3ffffffffffff000ULL); | ||
293 | #endif | ||
294 | } | ||
295 | |||
287 | #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ | 296 | #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ |
288 | | MIPS_CPU_COUNTER) | 297 | | MIPS_CPU_COUNTER) |
289 | 298 | ||
@@ -969,6 +978,8 @@ __cpuinit void cpu_probe(void) | |||
969 | c->srsets = ((read_c0_srsctl() >> 26) & 0x0f) + 1; | 978 | c->srsets = ((read_c0_srsctl() >> 26) & 0x0f) + 1; |
970 | else | 979 | else |
971 | c->srsets = 1; | 980 | c->srsets = 1; |
981 | |||
982 | cpu_probe_vmbits(c); | ||
972 | } | 983 | } |
973 | 984 | ||
974 | __cpuinit void cpu_report(void) | 985 | __cpuinit void cpu_report(void) |