From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757363AbbCGKNq (ORCPT ); Sat, 7 Mar 2015 05:13:46 -0500 Received: from mail-we0-f177.google.com ([74.125.82.177]:40308 "EHLO mail-we0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754157AbbCGKNl (ORCPT ); Sat, 7 Mar 2015 05:13:41 -0500 Date: Sat, 7 Mar 2015 11:13:36 +0100 From: Ingo Molnar To: Andy Lutomirski Cc: Denys Vlasenko , "H. Peter Anvin" , Linus Torvalds , Steven Rostedt , Borislav Petkov , "H. Peter Anvin" , Oleg Nesterov , Frederic Weisbecker , Will Drewry , Kees Cook , X86 ML , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] x86: clean up unnecessarily wide TEST insns Message-ID: <20150307101336.GA564@gmail.com> References: <1425675332-31576-1-git-send-email-dvlasenk@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 * Andy Lutomirski wrote: > > +f6 c1 04 test $0x4,%cl > > -48 f7 c1 08 00 00 00 test $0x8,%rcx > > +f6 c1 08 test $0x8,%cl > > > > arch/x86/kernel/head_64.S | 2 +- > > arch/x86/kernel/relocate_kernel_32.S | 8 ++++---- > > arch/x86/kernel/relocate_kernel_64.S | 8 ++++---- > > arch/x86/lib/checksum_32.S | 4 ++-- > > arch/x86/lib/csum-copy_64.S | 2 +- > > Looks good to me. Ingo, should I queue this up? No need, I picked it up now that the 32-bit crash of tip:x86/asm is fixed. I juiced up the changelog a bit. Will push it out after a bit of testing. Thanks, Ingo