From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754292AbeEaURG (ORCPT ); Thu, 31 May 2018 16:17:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:47014 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754071AbeEaURE (ORCPT ); Thu, 31 May 2018 16:17:04 -0400 X-Google-Smtp-Source: ADUXVKJC5PQI0D4vgQbmyMf6Ego9eLjct8w/K4Y2Kqid5D/NaI+bYSzR5TfcMk6+kqhobRddb0dGYgt/nqPwF4C1Ab0= MIME-Version: 1.0 References: <1527789525-8857-1-git-send-email-chang.seok.bae@intel.com> <1527789525-8857-5-git-send-email-chang.seok.bae@intel.com> In-Reply-To: <1527789525-8857-5-git-send-email-chang.seok.bae@intel.com> From: Andy Lutomirski Date: Thu, 31 May 2018 13:16:51 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH V2 04/15] x86/fsgsbase/64: Factor out load FS/GS segments from __switch_to To: "Bae, Chang Seok" Cc: Andrew Lutomirski , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Andi Kleen , Dave Hansen , "Metzger, Markus T" , "Ravi V. Shankar" , LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 31, 2018 at 10:58 AM Chang S. Bae wrote: > > Instead of open code, load_fsgs() will cleanup __switch_to > and symmetric with FS/GS segment save. When FSGSBASE > enabled, X86_FEATURE_FSGSBASE check will be incorporated. Reviewed-by: Andy Lutomirski