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authorHe Chen <he.chen@linux.intel.com>2016-11-11 17:25:34 +0800
committerThomas Gleixner <tglx@linutronix.de>2016-11-16 11:13:09 +0100
commit47f10a36003eaf493125a5e6687dd1ff775bfd8c (patch)
tree09d8ba3fdb81d3a6037352dd681a6cb53290b06b /arch/x86/events
parenta25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff)
downloadop-kernel-dev-47f10a36003eaf493125a5e6687dd1ff775bfd8c.zip
op-kernel-dev-47f10a36003eaf493125a5e6687dd1ff775bfd8c.tar.gz
x86/cpuid: Cleanup cpuid_regs definitions
cpuid_regs is defined multiple times as structure and enum. Rename the enum and move all of it to processor.h so we don't end up with more instances. Rename the misnomed register enumeration from CR_* to the obvious CPUID_*. [ tglx: Rewrote changelog ] Signed-off-by: He Chen <he.chen@linux.intel.com> Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Luwei Kang <luwei.kang@intel.com> Cc: kvm@vger.kernel.org Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Piotr Luc <Piotr.Luc@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Link: http://lkml.kernel.org/r/1478856336-9388-2-git-send-email-he.chen@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/events')
-rw-r--r--arch/x86/events/intel/pt.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index c5047b8..1c1b9fe 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -36,13 +36,6 @@ static DEFINE_PER_CPU(struct pt, pt_ctx);
static struct pt_pmu pt_pmu;
-enum cpuid_regs {
- CR_EAX = 0,
- CR_ECX,
- CR_EDX,
- CR_EBX
-};
-
/*
* Capabilities of Intel PT hardware, such as number of address bits or
* supported output schemes, are cached and exported to userspace as "caps"
@@ -64,21 +57,21 @@ static struct pt_cap_desc {
u8 reg;
u32 mask;
} pt_caps[] = {
- PT_CAP(max_subleaf, 0, CR_EAX, 0xffffffff),
- PT_CAP(cr3_filtering, 0, CR_EBX, BIT(0)),
- PT_CAP(psb_cyc, 0, CR_EBX, BIT(1)),
- PT_CAP(ip_filtering, 0, CR_EBX, BIT(2)),
- PT_CAP(mtc, 0, CR_EBX, BIT(3)),
- PT_CAP(ptwrite, 0, CR_EBX, BIT(4)),
- PT_CAP(power_event_trace, 0, CR_EBX, BIT(5)),
- PT_CAP(topa_output, 0, CR_ECX, BIT(0)),
- PT_CAP(topa_multiple_entries, 0, CR_ECX, BIT(1)),
- PT_CAP(single_range_output, 0, CR_ECX, BIT(2)),
- PT_CAP(payloads_lip, 0, CR_ECX, BIT(31)),
- PT_CAP(num_address_ranges, 1, CR_EAX, 0x3),
- PT_CAP(mtc_periods, 1, CR_EAX, 0xffff0000),
- PT_CAP(cycle_thresholds, 1, CR_EBX, 0xffff),
- PT_CAP(psb_periods, 1, CR_EBX, 0xffff0000),
+ PT_CAP(max_subleaf, 0, CPUID_EAX, 0xffffffff),
+ PT_CAP(cr3_filtering, 0, CPUID_EBX, BIT(0)),
+ PT_CAP(psb_cyc, 0, CPUID_EBX, BIT(1)),
+ PT_CAP(ip_filtering, 0, CPUID_EBX, BIT(2)),
+ PT_CAP(mtc, 0, CPUID_EBX, BIT(3)),
+ PT_CAP(ptwrite, 0, CPUID_EBX, BIT(4)),
+ PT_CAP(power_event_trace, 0, CPUID_EBX, BIT(5)),
+ PT_CAP(topa_output, 0, CPUID_ECX, BIT(0)),
+ PT_CAP(topa_multiple_entries, 0, CPUID_ECX, BIT(1)),
+ PT_CAP(single_range_output, 0, CPUID_ECX, BIT(2)),
+ PT_CAP(payloads_lip, 0, CPUID_ECX, BIT(31)),
+ PT_CAP(num_address_ranges, 1, CPUID_EAX, 0x3),
+ PT_CAP(mtc_periods, 1, CPUID_EAX, 0xffff0000),
+ PT_CAP(cycle_thresholds, 1, CPUID_EBX, 0xffff),
+ PT_CAP(psb_periods, 1, CPUID_EBX, 0xffff0000),
};
static u32 pt_cap_get(enum pt_capabilities cap)
@@ -213,10 +206,10 @@ static int __init pt_pmu_hw_init(void)
for (i = 0; i < PT_CPUID_LEAVES; i++) {
cpuid_count(20, i,
- &pt_pmu.caps[CR_EAX + i*PT_CPUID_REGS_NUM],
- &pt_pmu.caps[CR_EBX + i*PT_CPUID_REGS_NUM],
- &pt_pmu.caps[CR_ECX + i*PT_CPUID_REGS_NUM],
- &pt_pmu.caps[CR_EDX + i*PT_CPUID_REGS_NUM]);
+ &pt_pmu.caps[CPUID_EAX + i*PT_CPUID_REGS_NUM],
+ &pt_pmu.caps[CPUID_EBX + i*PT_CPUID_REGS_NUM],
+ &pt_pmu.caps[CPUID_ECX + i*PT_CPUID_REGS_NUM],
+ &pt_pmu.caps[CPUID_EDX + i*PT_CPUID_REGS_NUM]);
}
ret = -ENOMEM;
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