linux-kernel - [tip: perf/core] perf/x86/intel/ds: Remove redundant assignments to sample.period

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Message-ID: <174741153788.406.17877575431461411128.tip-bot2@tip-bot2>
Date: Fri, 16 May 2025 16:05:37 -0000
From: "tip-bot2 for Changbin Du" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Changbin Du <changbin.du@...wei.com>, Ingo Molnar <mingo@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf/x86/intel/ds: Remove redundant assignments to
 sample.period

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     75a9001bab36f0456f6aae1ab0aa487db456464a
Gitweb:        https://git.kernel.org/tip/75a9001bab36f0456f6aae1ab0aa487db456464a
Author:        Changbin Du <changbin.du@...wei.com>
AuthorDate:    Tue, 06 May 2025 17:49:07 +08:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 16 May 2025 17:53:53 +02:00

perf/x86/intel/ds: Remove redundant assignments to sample.period

The perf_sample_data_init() has already set the period of sample, so no
need to do it again.

Signed-off-by: Changbin Du <changbin.du@...wei.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: https://lore.kernel.org/r/20250506094907.2724-1-changbin.du@huawei.com
---
 arch/x86/events/intel/ds.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 61ee698..319d0d4 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1831,8 +1831,6 @@ static void setup_pebs_fixed_sample_data(struct perf_event *event,
 
 	perf_sample_data_init(data, 0, event->hw.last_period);
 
-	data->period = event->hw.last_period;
-
 	/*
 	 * Use latency for weight (only avail with PEBS-LL)
 	 */
@@ -2085,7 +2083,6 @@ static void setup_pebs_adaptive_sample_data(struct perf_event *event,
 	sample_type = event->attr.sample_type;
 	format_group = basic->format_group;
 	perf_sample_data_init(data, 0, event->hw.last_period);
-	data->period = event->hw.last_period;
 
 	setup_pebs_time(event, data, basic->tsc);