From: Noah Goldstein <goldstein.w.n@gmail.com>
To: Borislav Petkov <bp@alien8.de>
Cc: tglx@linutronix.de, mingo@redhat.com, X86 ML <x86@kernel.org>,
hpa@zytor.com, Andy Lutomirski <luto@kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] x86/xstate: Make AVX512 status tracking more accurate
Date: Wed, 27 Oct 2021 11:28:07 -0500 [thread overview]
Message-ID: <CAFUsyfJGxpLz14pZ-_nC-3651WaeZeb6p1yteCP2J4=aTKRsrA@mail.gmail.com> (raw)
In-Reply-To: <YXky/qrRSvvhI3JN@zn.tnic>
On Wed, Oct 27, 2021 at 6:07 AM Borislav Petkov <bp@alien8.de> wrote:
>
> On Fri, Oct 15, 2021 at 03:47:17PM -0500, Noah Goldstein wrote:
> > This patch splits the timestamps for tracking the AVX512 status into
>
> For future submissions, please avoid having "This patch" or "This
> commit" in the commit message. It is tautologically useless.
Got it. Thanks.
>
> ...
>
> > @@ -1282,8 +1292,27 @@ static void avx512_status(struct seq_file *m, struct task_struct *task)
> > delta = LONG_MAX;
> > delta = jiffies_to_msecs(delta);
> > }
> > + return delta;
> > +}
> >
> > - seq_put_decimal_ll(m, "AVX512_elapsed_ms:\t", delta);
>
> Regardless of whether I think this exposing of AVX512 usage is silly
> or not, we do not break userspace by changing those strings which some
> script or tool already probably relies upon.
Fixed. Added 'delta_unified' which will report the most recent usage of
either.
>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-10-27 16:28 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 5:39 [PATCH v1] x86/fpu: Remove opmask state from avx512_timestamp check Noah Goldstein
2021-09-27 18:02 ` Noah Goldstein
2021-10-13 22:36 ` Noah Goldstein
2021-10-14 8:28 ` Borislav Petkov
2021-10-14 15:49 ` Noah Goldstein
2021-10-15 14:40 ` Borislav Petkov
2021-10-15 15:25 ` Dave Hansen
2021-10-15 17:30 ` Noah Goldstein
2021-10-15 20:47 ` [PATCH v2 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-26 23:15 ` Noah Goldstein
2021-10-15 20:47 ` [PATCH v2 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 11:07 ` Borislav Petkov
2021-10-27 16:28 ` Noah Goldstein [this message]
2021-10-27 16:58 ` Borislav Petkov
2021-10-27 17:18 ` Noah Goldstein
2021-10-27 16:26 ` [PATCH v3 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 16:26 ` [PATCH v3 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 17:11 ` Borislav Petkov
2021-10-27 17:37 ` Noah Goldstein
2021-10-27 17:45 ` Borislav Petkov
2021-10-27 18:21 ` Noah Goldstein
2021-11-03 20:22 ` Noah Goldstein
2021-11-03 20:48 ` Borislav Petkov
2021-11-03 20:56 ` Noah Goldstein
2021-10-27 17:17 ` [PATCH v4 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 17:17 ` [PATCH v4 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-10-27 18:21 ` [PATCH v5 1/2] x86/fpu: Add helper function for tracking AVX512 status Noah Goldstein
2021-10-27 18:21 ` [PATCH v5 2/2] x86/xstate: Make AVX512 status tracking more accurate Noah Goldstein
2021-11-16 16:21 ` [PATCH] x86/fpu: Correct AVX512 state tracking Borislav Petkov
2021-11-16 16:49 ` Noah Goldstein
2021-11-17 18:29 ` [tip: x86/fpu] " tip-bot2 for Noah Goldstein
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