From: Borislav Petkov <bp@alien8.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, Filipe Manana <fdmanana@suse.com>
Subject: Re: [patch 2/3] x86/fpu: Rename irq_fpu_usable()
Date: Mon, 2 May 2022 15:57:56 +0200 [thread overview]
Message-ID: <Ym/jZBSTWzoiUYDt@zn.tnic> (raw)
In-Reply-To: <20220501193102.647328777@linutronix.de>
On Sun, May 01, 2022 at 09:31:45PM +0200, Thomas Gleixner wrote:
> --- a/arch/x86/kernel/fpu/core.c
> +++ b/arch/x86/kernel/fpu/core.c
> @@ -49,11 +49,12 @@ static DEFINE_PER_CPU(bool, in_kernel_fp
> */
> DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
>
> -/*
> - * Can we use the FPU in kernel mode with the
> - * whole "kernel_fpu_begin/end()" sequence?
> +/**
> + * kernel_fpu_usable - Check whether kernel FPU usage is possible
> + *
> + * Has to be invoked before calling kernel_fpu_begin().
> */
Ah, there it is.
Reviewed-by: Borislav Petkov <bp@suse.de>
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-05-02 13:58 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-01 19:31 [patch 0/3] x86/fpu: Prevent FPU state corruption Thomas Gleixner
2022-05-01 19:31 ` [patch 1/3] " Thomas Gleixner
2022-05-02 13:16 ` Borislav Petkov
2022-05-05 0:42 ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-05-01 19:31 ` [patch 2/3] x86/fpu: Rename irq_fpu_usable() Thomas Gleixner
2022-05-02 13:57 ` Borislav Petkov [this message]
2022-05-01 19:31 ` [patch 3/3] x86/fpu: Make FPU protection more robust Thomas Gleixner
2022-05-02 14:35 ` Borislav Petkov
2022-05-02 15:58 ` Thomas Gleixner
2022-05-03 9:06 ` Peter Zijlstra
2022-05-04 15:36 ` Thomas Gleixner
2022-05-04 15:55 ` Jason A. Donenfeld
2022-05-04 16:45 ` Thomas Gleixner
2022-05-04 19:05 ` Jason A. Donenfeld
2022-05-04 21:04 ` Thomas Gleixner
2022-05-04 23:52 ` Jason A. Donenfeld
2022-05-05 0:55 ` Thomas Gleixner
2022-05-05 1:11 ` Jason A. Donenfeld
2022-05-05 1:21 ` Thomas Gleixner
2022-05-05 11:02 ` Jason A. Donenfeld
2022-05-05 11:34 ` David Laight
2022-05-05 11:35 ` Jason A. Donenfeld
2022-05-05 11:53 ` David Laight
2022-05-06 22:34 ` Jason A. Donenfeld
2022-05-07 13:50 ` David Laight
2022-05-05 13:48 ` Jason A. Donenfeld
2022-05-06 22:15 ` Jason A. Donenfeld
2022-05-03 9:03 ` Peter Zijlstra
2022-05-02 10:02 ` [patch 0/3] x86/fpu: Prevent FPU state corruption Filipe Manana
2022-05-02 12:22 ` Borislav Petkov
2022-05-04 15:40 ` Jason A. Donenfeld
2022-05-04 18:05 ` Thomas Gleixner
2022-05-18 1:02 ` Jason A. Donenfeld
2022-05-18 11:14 ` Jason A. Donenfeld
2022-05-18 11:18 ` Jason A. Donenfeld
2022-05-18 13:09 ` Thomas Gleixner
2022-05-18 14:08 ` Jason A. Donenfeld
2022-05-25 20:36 ` Jason A. Donenfeld
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Ym/jZBSTWzoiUYDt@zn.tnic \
--to=bp@alien8.de \
--cc=fdmanana@suse.com \
--cc=linux-kernel@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.