linux-kernel - [tip: x86/cpu] perf/x86/lbr: Switch to new Intel CPU model defines

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Message-ID: <171406503678.10875.542718220159370060.tip-bot2@tip-bot2>
Date: Thu, 25 Apr 2024 17:10:36 -0000
From: "tip-bot2 for Tony Luck" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Tony Luck <tony.luck@...el.com>, Dave Hansen <dave.hansen@...ux.intel.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] perf/x86/lbr: Switch to new Intel CPU model defines

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 <tony.luck@...el.com>
AuthorDate:    Wed, 24 Apr 2024 11:15:00 -07:00
Committer:     Dave Hansen <dave.hansen@...ux.intel.com>
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 <tony.luck@...el.com>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
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;