linux-kernel - [PATCH] perf/x86/intel/uncore: Use boot_cpu_data.phys_proc

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Message-Id: <20180829152923.6020-1-msys.mizuma@gmail.com>
Date:   Wed, 29 Aug 2018 11:29:23 -0400
From:   Masayoshi Mizuma <msys.mizuma@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:     Masayoshi Mizuma <msys.mizuma@...il.com>,
        Masayoshi Mizuma <m.mizuma@...fujitsu.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] perf/x86/intel/uncore: Use boot_cpu_data.phys_proc_id instead of hardcorded phy id 0

From: Masayoshi Mizuma <m.mizuma@...fujitsu.com>

Physical package id 0 is not always exists. We should use
boot_cpu_data.phys_proc_id here.

Signed-off-by: Masayoshi Mizuma <m.mizuma@...fujitsu.com>
---
 arch/x86/events/intel/uncore_snbep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 51d7c11..53b981d 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3061,7 +3061,7 @@ static struct event_constraint bdx_uncore_pcu_constraints[] = {
 
 void bdx_uncore_cpu_init(void)
 {
-	int pkg = topology_phys_to_logical_pkg(0);
+	int pkg = topology_phys_to_logical_pkg(boot_cpu_data.phys_proc_id);
 
 	if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
 		bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
-- 
2.18.0