linux-kernel - Re: Tested x86 FPU fixes and found "Bad FPU state" issue

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Date:   Mon, 21 Jun 2021 12:13:23 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Xu\, Pengfei" <pengfei.xu@...el.com>
Cc:     "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "Hansen\, Dave" <dave.hansen@...el.com>,
        "Yu\, Yu-cheng" <yu-cheng.yu@...el.com>,
        "Su\, Heng" <heng.su@...el.com>, "Du\, Julie" <julie.du@...el.com>,
        "Shankar\, Ravi V" <ravi.v.shankar@...el.com>,
        "Brown\, Len" <len.brown@...el.com>,
        "Li\, Philip" <philip.li@...el.com>
Subject: Re: Tested x86 FPU fixes and found "Bad FPU state" issue

Pengfei!

On Mon, Jun 21 2021 at 01:31, Pengfei Xu wrote:
> This "Bad FPU state" issue was found in 20210619 FPU branch kernel:
> https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
> branch: origin/x86/fpu
> last commit:
> "
> commit 2299e66e766a7cdca8aafc36b59ada8782d26233
> ...
> x86/fpu/signal: Let xrstor handle the features to init
> "

Thanks for testing and reporting!

I found the issue and updated the branch. New head commit is

  b4c5dbb18205 ("x86/fpu/signal: Let xrstor handle the features to init")

Thanks,

        tglx