linux-kernel - Re: [patch V2 20/52] x86/fpu: Cleanup arch_set_user_pkey

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Message-ID: <87pmwkfyfd.ffs@nanos.tec.linutronix.de>
Date:   Thu, 17 Jun 2021 14:49:58 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...e.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: Re: [patch V2 20/52] x86/fpu: Cleanup arch_set_user_pkey_access()

On Thu, Jun 17 2021 at 14:22, Borislav Petkov wrote:
> On Mon, Jun 14, 2021 at 05:44:28PM +0200, Thomas Gleixner wrote:
>>  	/*
>>  	 * This check implies XSAVE support.  OSPKE only gets
>
> There's a boot_cpu_has() check
>
> <--- here
>
> Might wanna convert it to cpu_feature_enabled(), while at it.

There's a later patch which cleans up the whole cpu feature mess of
OSPKE. That takes care of it.