linux-kernel - Re: [PATCH v2 1/3] x86/fpu/xstate: Fix small issues before adding supervisor xstates

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Date:   Fri, 20 Dec 2019 21:19:46 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Yu-cheng Yu <yu-cheng.yu@...el.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Rik van Riel <riel@...riel.com>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2 1/3] x86/fpu/xstate: Fix small issues before adding
 supervisor xstates

On 2019-12-12 13:08:53 [-0800], Yu-cheng Yu wrote:
> In response to earlier comments, fix small issues before introducing XSAVES
> supervisor states:
> - Fix comments of xfeature_is_supervisor().
> - Replace ((u64)1 << 63) with XCOMP_BV_COMPACTED_FORMAT.
> 
> No functional changes from this patch.
> 
> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@...el.com>
> Reviewed-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Reviewed-by: Tony Luck <tony.luck@...el.com>

Acked-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Sebastian