Introduce names for some old pentium 4 models and replace with VFM based
checks.
Signed-off-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>
---
arch/x86/events/intel/p4.c | 7 ++++---
arch/x86/include/asm/intel-family.h | 1 +
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/intel/p4.c b/arch/x86/events/intel/p4.c
index 844bc4fc4724..fb726c6fc6e7 100644
--- a/arch/x86/events/intel/p4.c
+++ b/arch/x86/events/intel/p4.c
@@ -10,6 +10,7 @@
#include <linux/perf_event.h>
#include <asm/perf_event_p4.h>
+#include <asm/cpu_device_id.h>
#include <asm/hardirq.h>
#include <asm/apic.h>
@@ -732,9 +733,9 @@ static bool p4_event_match_cpu_model(unsigned int event_idx)
{
/* INSTR_COMPLETED event only exist for model 3, 4, 6 (Prescott) */
if (event_idx == P4_EVENT_INSTR_COMPLETED) {
- if (boot_cpu_data.x86_model != 3 &&
- boot_cpu_data.x86_model != 4 &&
- boot_cpu_data.x86_model != 6)
+ if (boot_cpu_data.x86_vfm != INTEL_P4_PRESCOTT &&
+ boot_cpu_data.x86_vfm != INTEL_P4_PRESCOTT_2M &&
+ boot_cpu_data.x86_vfm != INTEL_P4_CEDARMILL)
return false;
}
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 73e458440fcb..77840c0b0df3 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -192,6 +192,7 @@
#define INTEL_FAM15_START IFM(15, 0x00) /* Notational marker */
#define INTEL_P4_WILLAMETTE IFM(15, 0x01) /* Also Xeon Foster */
#define INTEL_P4_PRESCOTT IFM(15, 0x03)
+#define INTEL_P4_PRESCOTT_2M IFM(15, 0x04)
#define INTEL_P4_CEDARMILL IFM(15, 0x06) /* Also Xeon Dempsey */
/* Family 19 */
--
2.43.0
