linux-kernel - Re: [PATCH] perf/x86/amd: Do not WARN on every IRQ

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Message-ID: <ZQHPPfseA/k6tNd3@gmail.com>
Date:   Wed, 13 Sep 2023 08:03:25 -0700
From:   Breno Leitao <leitao@...ian.org>
To:     Jirka Hladky <jhladky@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        "Sandipan Das (AMD)" <sandipandas1990@...il.com>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Sandipan Das <sandipan.das@....com>, leit@...com,
        dcostantino@...a.com,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-perf-users@...r.kernel.org>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-kernel@...r.kernel.org>, ananth.narayan@....com,
        Ravi Bangoria <ravi.bangoria@....com>,
        Michael Petlan <mpetlan@...hat.com>
Subject: Re: [PATCH] perf/x86/amd: Do not WARN on every IRQ

On Wed, Sep 13, 2023 at 04:30:44PM +0200, Jirka Hladky wrote:
> Hi Sandipan,
> 
> Is there any update on this issue?

I still think we want to have this patch in Linux, so, we protect the
kernel for whatever the hardware/firmware is doing.