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| author | Ingo Molnar <mingo@kernel.org> | 2014-01-12 17:56:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-12 17:56:29 +0100 |
| commit | da4540757d35a98a350d6e8d882a64b2d04f8581 (patch) | |
| tree | ad77d8752f5db40497c819f051cbae12effb8163 /arch/x86/kernel/cpu | |
| parent | cc131eef1cec905b9bdb0be6d7ab3af86f23de98 (diff) | |
| parent | 7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 (diff) | |
| download | linux-stable-da4540757d35a98a350d6e8d882a64b2d04f8581.tar.gz linux-stable-da4540757d35a98a350d6e8d882a64b2d04f8581.tar.bz2 linux-stable-da4540757d35a98a350d6e8d882a64b2d04f8581.zip | |
Merge tag 'v3.13-rc8' into x86/ras, to pick up fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 15 |
2 files changed, 14 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index dc1ec0dff939..ea04b342c026 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -387,7 +387,8 @@ static void init_intel(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_PEBS); } - if (c->x86 == 6 && c->x86_model == 29 && cpu_has_clflush) + if (c->x86 == 6 && cpu_has_clflush && + (c->x86_model == 29 || c->x86_model == 46 || c->x86_model == 47)) set_cpu_cap(c, X86_FEATURE_CLFLUSH_MONITOR); #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index fd00bb29425d..c1a861829d81 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -262,11 +262,20 @@ struct cpu_hw_events { __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK, \ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW) -#define EVENT_CONSTRAINT_END \ - EVENT_CONSTRAINT(0, 0, 0) +/* + * We define the end marker as having a weight of -1 + * to enable blacklisting of events using a counter bitmask + * of zero and thus a weight of zero. + * The end marker has a weight that cannot possibly be + * obtained from counting the bits in the bitmask. + */ +#define EVENT_CONSTRAINT_END { .weight = -1 } +/* + * Check for end marker with weight == -1 + */ #define for_each_event_constraint(e, c) \ - for ((e) = (c); (e)->weight; (e)++) + for ((e) = (c); (e)->weight != -1; (e)++) /* * Extra registers for specific events. |