From: Peter Zijlstra <peterz@infradead.org>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Sandipan Das <sandipan.das@amd.com>,
"H . Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
linux-pm@vger.kernel.org, rafael@kernel.org, pavel@ucw.cz,
linux-perf-users@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH 2/2] perf/x86/amd: Don't allow pre-emption in amd_pmu_lbr_reset()
Date: Wed, 25 Oct 2023 00:24:36 +0200 [thread overview]
Message-ID: <20231024222436.GG33965@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <0022df64-b7f5-43b4-87ed-5df5d47c5c6a@amd.com>
On Tue, Oct 24, 2023 at 01:30:59PM -0500, Mario Limonciello wrote:
> In that case - should preemption be disabled for all of x86_pmu_dying_cpu()
> perhaps?
>
> For good measure x86_pmu_starting_cpu() too?
starting and dying are with IRQs disabled.
prev parent reply other threads:[~2023-10-24 22:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 16:00 [PATCH 0/2] Fixes for s3 with parallel bootup Mario Limonciello
2023-10-23 16:00 ` [PATCH 1/2] x86: Enable x2apic during resume from suspend if used previously Mario Limonciello
2023-10-24 8:36 ` Ingo Molnar
2023-10-24 15:36 ` Mario Limonciello
2023-10-24 17:01 ` Ingo Molnar
2023-10-25 19:04 ` Mario Limonciello
2023-10-24 17:30 ` Tom Lendacky
2023-10-23 16:00 ` [PATCH 2/2] perf/x86/amd: Don't allow pre-emption in amd_pmu_lbr_reset() Mario Limonciello
2023-10-24 8:02 ` Ingo Molnar
2023-10-24 15:32 ` Mario Limonciello
2023-10-24 15:59 ` Peter Zijlstra
2023-10-24 16:04 ` Mario Limonciello
2023-10-24 16:30 ` Peter Zijlstra
2023-10-24 16:34 ` Peter Zijlstra
2023-10-25 11:47 ` Sandipan Das
2023-10-24 16:51 ` Ingo Molnar
2023-10-24 18:30 ` Mario Limonciello
2023-10-24 22:24 ` Peter Zijlstra [this message]
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