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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:51:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:51:09 -0700 |
| commit | 81a07d7588d376c530d006e24d7981304ce96e16 (patch) | |
| tree | 1608e094c88b9702c86cf2e6f65339aab9ea3f3f /arch/i386/kernel/cpu/intel.c | |
| parent | 8871e73fdbde07d0a41393f7ee30787b65387b36 (diff) | |
| parent | 8501a2fbe762b21d2504ed3aca3b52be61b5e6e4 (diff) | |
Merge branch 'x86-64'
* x86-64: (83 commits)
[PATCH] x86_64: x86_64 stack usage debugging
[PATCH] x86_64: (resend) x86_64 stack overflow debugging
[PATCH] x86_64: msi_apic.c build fix
[PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs
[PATCH] x86_64: Avoid broadcasting NMI IPIs
[PATCH] x86_64: fix apic error on bootup
[PATCH] x86_64: enlarge window for stack growth
[PATCH] x86_64: Minor string functions optimizations
[PATCH] x86_64: Move export symbols to their C functions
[PATCH] x86_64: Standardize i386/x86_64 handling of NMI_VECTOR
[PATCH] x86_64: Fix modular pc speaker
[PATCH] x86_64: remove sys32_ni_syscall()
[PATCH] x86_64: Do not use -ffunction-sections for modules
[PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle
[PATCH] x86_64: adjust kstack_depth_to_print default
[PATCH] i386/x86-64: adjust /proc/interrupts column headings
[PATCH] x86_64: Fix race in cpu_local_* on preemptible kernels
[PATCH] x86_64: Fix fast check in safe_smp_processor_id
[PATCH] x86_64: x86_64 setup.c - printing cmp related boottime information
[PATCH] i386/x86-64/ia64: Move polling flag into thread_info_status
...
Manual resolve of trivial conflict in arch/i386/kernel/Makefile
Diffstat (limited to 'arch/i386/kernel/cpu/intel.c')
| -rw-r--r-- | arch/i386/kernel/cpu/intel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/intel.c b/arch/i386/kernel/cpu/intel.c index 5386b29bb5a..10afc645c54 100644 --- a/arch/i386/kernel/cpu/intel.c +++ b/arch/i386/kernel/cpu/intel.c @@ -122,6 +122,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) select_idle_routine(c); l2 = init_intel_cacheinfo(c); + if (c->cpuid_level > 9 ) { + unsigned eax = cpuid_eax(10); + /* Check for version and the number of counters */ + if ((eax & 0xff) && (((eax>>8) & 0xff) > 1)) + set_bit(X86_FEATURE_ARCH_PERFMON, c->x86_capability); + } /* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it until model 3 mask 3 */ if ((c->x86<<8 | c->x86_model<<4 | c->x86_mask) < 0x633) |