Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp2507347yba; Mon, 15 Apr 2019 13:09:32 -0700 (PDT) X-Google-Smtp-Source: APXvYqyT1UOY0+jfZSAgs9FED6KaFCWmyDicF/5GfO8jMyuUEHJZsvrt485KMfSwAbRC06231IxA X-Received: by 2002:a63:5a47:: with SMTP id k7mr72141338pgm.174.1555358972892; Mon, 15 Apr 2019 13:09:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555358972; cv=none; d=google.com; s=arc-20160816; b=SbfKeHUj4Wao721t/CnHsnufq+2I3uylcfa3gsRHzREka2luJaGIF4FUJWpNXWFkOc p0FXeHJWb0wKdh2O6B45ktxHAtpLPF/DY9zZSBQy4t5fc4y7tZ8Q9RpQbSx6bWLW8mPE G9mR/coRBhrhADvBQ+Whx1OeqQ/s/6opgKd5kj9UsM53RL+PmGLTw0UCVdnNayrMFcfq doG4R7mtKLBuvLUVrJGiRZWgLtAap1e59ytJx4gBQeBUXgy59SCercxvgYvgRO41LuQ0 49355ZQ52BLb4CHGaVO5LKVU35nE5ipyZXbYiKItWdEk7Bnsvs7qWUOlabhO29SaHein z9Dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=CYGwOnmK6aLjXTfFvE7y+SR2U+YW6z+u0JkLO3a5glM=; b=tUEr7LlRY37CwFGPwX49yT0nGapMcwJ2rHqThbaiAxeipsWdoLC7gr3qVMYG1wncy7 4Z/EzPesxIyM6ip4RQ5r9RwqDdy6coCmofSiFck2ggz7hNYVHuxVWlN8g7uNzNPwCkr8 SmR7lgU+pVA/nVdxsSnMKYEZSj7jm8RH81SHLBPcVHNI19WvYaNEZCOeR7DbcxxZEBPT /a9DZqk3sdfw1K0HwruVE4kqccfjdau0BEHXjGg4mCfsbuGZQpmBeImcgWCBRFLT/Ef0 +KlzotdocsWmkMwFc8x1RsU1UC8GTg4J6kaXEqvrbTX4bg4CJP0WwzBCkw2ZHW18QqdZ OiIQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s79si31057048pfa.69.2019.04.15.13.09.16; Mon, 15 Apr 2019 13:09:32 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729194AbfDOUHu (ORCPT + 99 others); Mon, 15 Apr 2019 16:07:50 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:40477 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728536AbfDOUHu (ORCPT ); Mon, 15 Apr 2019 16:07:50 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id BC81880317; Mon, 15 Apr 2019 22:07:39 +0200 (CEST) Date: Mon, 15 Apr 2019 22:07:47 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Jarkko Nikula , Andy Lutomirski , "Rafael J. Wysocki" , Thomas Gleixner , Borislav Petkov , Josh Poimboeuf , Linus Torvalds , Peter Zijlstra , "Rafael J. Wysocki" , Zhang Rui , Ingo Molnar , Sasha Levin Subject: Re: [PATCH 4.14 04/69] x86/power/32: Move SYSENTER MSR restoration to fix_processor_context() Message-ID: <20190415200747.GC25908@amd> References: <20190415183726.036654568@linuxfoundation.org> <20190415183727.431075450@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="B4IIlcmfBL/1gGOG" Content-Disposition: inline In-Reply-To: <20190415183727.431075450@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --B4IIlcmfBL/1gGOG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon 2019-04-15 20:58:22, Greg Kroah-Hartman wrote: > [ Upstream commit 896c80bef4d3b357814a476663158aaf669d0fb3 ] >=20 > x86_64 restores system call MSRs in fix_processor_context(), and > x86_32 restored them along with segment registers. The 64-bit > variant makes more sense, so move the 32-bit code to match the > 64-bit code. >=20 > No side effects are expected to runtime behavior. Again, this is cleanup, not a bugfix. Pavel =09 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --B4IIlcmfBL/1gGOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAly05JMACgkQMOfwapXb+vIsCwCeIbYgP+sW+IsNPVbawFZOvsTk 9bwAoKd0+XOD++SsxxlE/SHWckpB5Y48 =5Rz3 -----END PGP SIGNATURE----- --B4IIlcmfBL/1gGOG--