linux-kernel - Re: [PATCH] x86/fpu: Set the corret permission value for perm.__state

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Message-ID: <6B4EB4A3-6445-4D1B-9F21-3BD196A6447C@intel.com>
Date:   Mon, 8 Nov 2021 23:45:00 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     "Zhong, Yang" <yang.zhong@...el.com>
CC:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "bp@...e.de" <bp@...e.de>, "Hansen, Dave" <dave.hansen@...el.com>,
        "Liu, Jing2" <jing2.liu@...el.com>
Subject: Re: [PATCH] x86/fpu: Set the corret permission value for
 perm.__state_perm

On Nov 8, 2021, at 08:13, Bae, Chang Seok <chang.seok.bae@...el.com> wrote:
> 
> I think this has to update the group leader’s like:
>    WRITE_ONCE(current->group_leader->thread.fpu.perm.__state_perm, mask);

Posted a new patch along with the test update here:
    https://lore.kernel.org/lkml/20211108233501.11516-1-chang.seok.bae@intel.com/

Thanks,
Chang