Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755562Ab2K2VeG (ORCPT ); Thu, 29 Nov 2012 16:34:06 -0500 Received: from mail.skyhub.de ([78.46.96.112]:36706 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754879Ab2K2VeE (ORCPT ); Thu, 29 Nov 2012 16:34:04 -0500 Date: Thu, 29 Nov 2012 22:34:02 +0100 From: Borislav Petkov To: "H. Peter Anvin" Cc: "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Linus Torvalds , Linux Kernel Mailing List , Mario Gzuk Subject: Re: [PATCH 8/8] x86, cleanups: Simplify sync_core() in the case of no CPUID Message-ID: <20121129213402.GJ30789@liondog.tnic> Mail-Followup-To: Borislav Petkov , "H. Peter Anvin" , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Linus Torvalds , Linux Kernel Mailing List , Mario Gzuk References: <1354132230-21854-1-git-send-email-hpa@linux.intel.com> <1354132230-21854-9-git-send-email-hpa@linux.intel.com> <20121128204158.GC14635@liondog.tnic> <50B7D28A.4000401@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <50B7D28A.4000401@linux.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 22 On Thu, Nov 29, 2012 at 01:24:26PM -0800, H. Peter Anvin wrote: > Thinking about it some more, there is another reason to not do > this, which is that we don't want this particular CPUID to be > paravirtualized; we're after the synchronizing side effect, not the > CPUID return value itself. Ok, you're right, this can be a PVOP call. > So let's leave it as a primitive; it gets too confusing otherwise. Ok. Thanks. -- Regards/Gruss, Boris. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/