From: Like Xu <likexu@xxxxxxxxxxx>
The original name "PC_VECTOR" comes from the LVT Performance
Counter Register. Rename it to PMI_VECTOR. That's much more familiar
for KVM developers and it's still correct, e.g. it's the PMI vector
that's programmed into the LVT PC register.
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Like Xu <likexu@xxxxxxxxxxx>
---
x86/pmu.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/x86/pmu.c b/x86/pmu.c
index d0de196..3b36caa 100644
--- a/x86/pmu.c
+++ b/x86/pmu.c
@@ -11,7 +11,9 @@
#include <stdint.h>
#define FIXED_CNT_INDEX 32
-#define PC_VECTOR 32
+
+/* Performance Counter Vector for the LVT PC Register */
+#define PMI_VECTOR 32
#define EVNSEL_EVENT_SHIFT 0
#define EVNTSEL_UMASK_SHIFT 8
@@ -159,7 +161,7 @@ static void __start_event(pmu_counter_t *evt, uint64_t count)
wrmsr(MSR_CORE_PERF_FIXED_CTR_CTRL, ctrl);
}
global_enable(evt);
- apic_write(APIC_LVTPC, PC_VECTOR);
+ apic_write(APIC_LVTPC, PMI_VECTOR);
}
static void start_event(pmu_counter_t *evt)
@@ -662,7 +664,7 @@ static void check_invalid_rdpmc_gp(void)
int main(int ac, char **av)
{
setup_vm();
- handle_irq(PC_VECTOR, cnt_overflow);
+ handle_irq(PMI_VECTOR, cnt_overflow);
buf = malloc(N*64);
check_invalid_rdpmc_gp();
@@ -686,7 +688,7 @@ int main(int ac, char **av)
printf("Fixed counters: %d\n", pmu_nr_fixed_counters());
printf("Fixed counter width: %d\n", pmu_fixed_counter_width());
- apic_write(APIC_LVTPC, PC_VECTOR);
+ apic_write(APIC_LVTPC, PMI_VECTOR);
check_counters();
--
2.38.1
