From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753196AbbCaPz7 (ORCPT ); Tue, 31 Mar 2015 11:55:59 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:36417 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752667AbbCaPzz (ORCPT ); Tue, 31 Mar 2015 11:55:55 -0400 Date: Tue, 31 Mar 2015 17:55:50 +0200 From: Ingo Molnar To: Boris Ostrovsky Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, konrad.wilk@oracle.com, david.vrabel@citrix.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, luto@amacapital.net Subject: Re: [PATCH] x86: Factor out common CPU initialization code Message-ID: <20150331155549.GA30951@gmail.com> References: <1427809518-31433-1-git-send-email-boris.ostrovsky@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1427809518-31433-1-git-send-email-boris.ostrovsky@oracle.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Boris Ostrovsky wrote: > Some of x86 bare-metal and Xen CPU initialization code is common between the two > and therefore can be factored out to avoid code duplication. > > As a side effect, doing so will also extend the fix provided by commit > a7fcf28d431e ("x86/asm/entry: Replace this_cpu_sp0() with current_top_of_stack() > to x86_32") to 32-bit Xen PV guests. > > Signed-off-by: Boris Ostrovsky > --- > arch/x86/include/asm/smp.h | 1 + > arch/x86/kernel/smpboot.c | 39 +++++++++++++++++++++++---------------- > arch/x86/xen/smp.c | 14 +------------- > 3 files changed, 25 insertions(+), 29 deletions(-) This does not apply to the latest x86 tree (tip:master). Thanks, Ingo