From: sashiko-bot@kernel.org
To: "Ravi Bangoria" <ravi.bangoria@amd.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 1/3] perf/amd/ibs: Reset CPU0 IBS state on syscore resume
Date: Thu, 15 Oct 2026 06:15:04 +0000 [thread overview]
Message-ID: <sashiko-outbox-172335@kernel.org> (raw)
In-Reply-To: <20261015060430.5877-2-ravi.bangoria@amd.com>
> During a suspend/resume cycle, all CPUs except CPU0 go through hotplug
> callbacks, which sets up IBS state. CPU0 bypasses this path, leaving its
> IBS state stale after resume. Fix this by explicitly setting CPU0's IBS
> state in the syscore ->resume() callback.
>
> Fixes: efa5700ec0da ("perf/amd/ibs: Support IBS_{FETCH|OP}_CTL2[Dis] to eliminate RMW race")
> Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261015060430.5877-1-ravi.bangoria@amd.com?part=1
next prev parent reply other threads:[~2026-10-15 6:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 6:04 [PATCH 0/3] perf/amd/ibs: Assorted fixes Ravi Bangoria
2026-10-15 6:04 ` [PATCH 1/3] perf/amd/ibs: Reset CPU0 IBS state on syscore resume Ravi Bangoria
2026-10-15 6:15 ` sashiko-bot [this message]
2026-10-15 6:04 ` [PATCH 2/3] perf/amd/ibs: Fix kernel address leak via REGS_USER Ravi Bangoria
2026-10-15 6:13 ` sashiko-bot
2026-10-15 6:04 ` [PATCH 3/3] perf/amd/ibs: Simplify event state handling with IBS_CAPS_DIS Ravi Bangoria
2026-10-15 6:24 ` sashiko-bot
2026-10-15 6:49 ` Ravi Bangoria
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