linux-kernel - Re: [PATCH v4 4/7] x86/fsgsbase/64: Factor out load FS/GS segments from __switch

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Message-ID: <alpine.DEB.2.21.1806221632460.2402@nanos.tec.linutronix.de>
Date:   Fri, 22 Jun 2018 16:32:57 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Chang S. Bae" <chang.seok.bae@...el.com>
cc:     Andy Lutomirski <luto@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Markus T Metzger <markus.t.metzger@...el.com>,
        Ravi Shankar <ravi.v.shankar@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 4/7] x86/fsgsbase/64: Factor out load FS/GS segments
 from __switch_to

On Wed, 20 Jun 2018, Chang S. Bae wrote:

> Instead of open coding the calls to load_seg_legacy(), add a
> load_fsgs() helper to handle fs and gs.  When FSGSBASE is enabled,
> load_fsgs() will be updated.
> 
> Signed-off-by: Chang S. Bae <chang.seok.bae@...el.com>
> Reviewed-by: Andi Kleen <ak@...ux.intel.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...nel.org>
> Reviewed-by: Andy Lutomirski <luto@...nel.org>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>