diff options
| author | Olof Johansson <olof@lixom.net> | 2012-03-07 14:52:43 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-03-07 14:53:14 -0800 |
| commit | 591e7afd2e686394912d65a6faeb933b76b26b5d (patch) | |
| tree | 5e992381e6d9456d6293d16ad1c2ed36efcb7bd3 /arch/x86/kernel/cpu/perf_event.h | |
| parent | ff0ea1ee058e3906502452eba60fd220ece4401d (diff) | |
| parent | c9f46a850a07dcf45ee195b958593fae1b78c221 (diff) | |
Merge branch 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci into next/maintainers
* 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci: (2 commits)
MAINTAINERS: add TI DaVinci git tree information
MAINTAINERS: mark TI DaVinci list as "moderated"
(also included an update to 3.3-rc6)
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.h')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 8944062f46e..c30c807ddc7 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -147,7 +147,9 @@ struct cpu_hw_events { /* * AMD specific bits */ - struct amd_nb *amd_nb; + struct amd_nb *amd_nb; + /* Inverted mask of bits to clear in the perf_ctr ctrl registers */ + u64 perf_ctr_virt_mask; void *kfree_on_online; }; @@ -417,9 +419,11 @@ void x86_pmu_disable_all(void); static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc, u64 enable_mask) { + u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask); + if (hwc->extra_reg.reg) wrmsrl(hwc->extra_reg.reg, hwc->extra_reg.config); - wrmsrl(hwc->config_base, hwc->config | enable_mask); + wrmsrl(hwc->config_base, (hwc->config | enable_mask) & ~disable_mask); } void x86_pmu_enable_all(int added); |