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From:   Jirka Hladky <jhladky@redhat.com>
Date:   Wed, 13 Sep 2023 17:23:32 +0200
Message-ID: <CAE4VaGCDVBRgsgv8VbOscD=AqsBGK+tRQG5_3roWz3-gYaZX9Q@mail.gmail.com>
Subject: Re: [PATCH] perf/x86/amd: Do not WARN on every IRQ
To:     Breno Leitao <leitao@debian.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        "Sandipan Das (AMD)" <sandipandas1990@gmail.com>,
        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>,
        Thomas Gleixner <tglx@linutronix.de>,
        Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
        "H. Peter Anvin" <hpa@zytor.com>,
        Sandipan Das <sandipan.das@amd.com>, leit@fb.com,
        dcostantino@meta.com,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-perf-users@vger.kernel.org>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-kernel@vger.kernel.org>, ananth.narayan@amd.com,
        Ravi Bangoria <ravi.bangoria@amd.com>,
        Michael Petlan <mpetlan@redhat.com>
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I agree.

Are you planning v2 of the patch, addressing the points raised by
Peter Zijlstra?

On Wed, Sep 13, 2023 at 5:03=E2=80=AFPM Breno Leitao <leitao@debian.org> wr=
ote:
>
> 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.
>


--=20
-Jirka