diff options
Diffstat (limited to 'arch/x86/xen/pmu.c')
| -rw-r--r-- | arch/x86/xen/pmu.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c index 7d00d4ad44d4..e13b0b49fcdf 100644 --- a/arch/x86/xen/pmu.c +++ b/arch/x86/xen/pmu.c @@ -3,6 +3,7 @@ #include <linux/interrupt.h> #include <asm/xen/hypercall.h> +#include <xen/xen.h> #include <xen/page.h> #include <xen/interface/xen.h> #include <xen/interface/vcpu.h> @@ -90,6 +91,12 @@ static void xen_pmu_arch_init(void) k7_counters_mirrored = 0; break; } + } else if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) { + amd_num_counters = F10H_NUM_COUNTERS; + amd_counters_base = MSR_K7_PERFCTR0; + amd_ctrls_base = MSR_K7_EVNTSEL0; + amd_msr_step = 1; + k7_counters_mirrored = 0; } else { uint32_t eax, ebx, ecx, edx; @@ -285,7 +292,7 @@ static bool xen_amd_pmu_emulate(unsigned int msr, u64 *val, bool is_read) bool pmu_msr_read(unsigned int msr, uint64_t *val, int *err) { - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) { if (is_amd_pmu_msr(msr)) { if (!xen_amd_pmu_emulate(msr, val, 1)) *val = native_read_msr_safe(msr, err); @@ -308,7 +315,7 @@ bool pmu_msr_write(unsigned int msr, uint32_t low, uint32_t high, int *err) { uint64_t val = ((uint64_t)high << 32) | low; - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) { if (is_amd_pmu_msr(msr)) { if (!xen_amd_pmu_emulate(msr, &val, 0)) *err = native_write_msr_safe(msr, low, high); @@ -379,7 +386,7 @@ static unsigned long long xen_intel_read_pmc(int counter) unsigned long long xen_read_pmc(int counter) { - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) return xen_amd_read_pmc(counter); else return xen_intel_read_pmc(counter); @@ -478,7 +485,7 @@ static void xen_convert_regs(const struct xen_pmu_regs *xen_regs, irqreturn_t xen_pmu_irq_handler(int irq, void *dev_id) { int err, ret = IRQ_NONE; - struct pt_regs regs; + struct pt_regs regs = {0}; const struct xen_pmu_data *xenpmu_data = get_xenpmu_data(); uint8_t xenpmu_flags = get_xenpmu_flags(); |