The following commit has been merged into the x86/cpu branch of tip:
Commit-ID: 0011a51d73d57866c8d7ee8be2ff1e5baa17f6ca
Gitweb: https://git.kernel.org/tip/0011a51d73d57866c8d7ee8be2ff1e5baa17f6ca
Author: Tony Luck <[email protected]>
AuthorDate: Wed, 24 Apr 2024 11:15:00 -07:00
Committer: Dave Hansen <[email protected]>
CommitterDate: Thu, 25 Apr 2024 09:04:32 -07:00
perf/x86/lbr: Switch to new Intel CPU model defines
New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Link: https://lore.kernel.org/all/20240424181500.41519-1-tony.luck%40intel.com
---
arch/x86/events/intel/lbr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 78cd508..8627719 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -2,6 +2,7 @@
#include <linux/perf_event.h>
#include <linux/types.h>
+#include <asm/cpu_device_id.h>
#include <asm/perf_event.h>
#include <asm/msr.h>
@@ -1457,7 +1458,7 @@ void __init intel_pmu_lbr_init_atom(void)
* to have an operational LBR which can freeze
* on PMU interrupt
*/
- if (boot_cpu_data.x86_model == 28
+ if (boot_cpu_data.x86_vfm == INTEL_ATOM_BONNELL
&& boot_cpu_data.x86_stepping < 10) {
pr_cont("LBR disabled due to erratum");
return;