From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE350ECDE5F for ; Thu, 19 Jul 2018 14:11:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8368720673 for ; Thu, 19 Jul 2018 14:11:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="BBde9M4x" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8368720673 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731759AbeGSOy5 (ORCPT ); Thu, 19 Jul 2018 10:54:57 -0400 Received: from merlin.infradead.org ([205.233.59.134]:38972 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731532AbeGSOy4 (ORCPT ); Thu, 19 Jul 2018 10:54:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=A/9m7t98uzIV50h/L+yGntdXFVOdyEZIpqEVJR7L8FE=; b=BBde9M4xPMc7FWiPqGRbC6poY H5goNBUte9ejuFLnPxKs/BqheiyRRABSHcZ0aIm02abmEbwqpdxUZwVHQI0+G76JIdSZGJ7+X76Xx Fa9lFwSfEvNZxYsS5Lx6Yri0ShmrL4X1qVrYQ6FHYBKdvDvME66QGhXcZqtjPvH8ovqB9317TejyS QeebFOUAGlcWYPnOjkU+nWsD8oSIHR8XmspZxj1ZYVE3LXGx5hzsOSS5i5JGQmuSsztiUwbgAFGfX 5gi3ZJOFz7Mi/WASNtzTiDGVJZAII36WDchtxA+nuFADgVTDT1I6Wip/9RGbxjdzKm434QR4ZW1VM T8a4WBpwA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fg9eM-0003lW-7H; Thu, 19 Jul 2018 14:11:22 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id F128520275F36; Thu, 19 Jul 2018 16:11:20 +0200 (CEST) Date: Thu, 19 Jul 2018 16:11:20 +0200 From: Peter Zijlstra To: Tetsuo Handa Cc: mingo@redhat.com, mingo@kernel.org, linux-kernel@vger.kernel.org, joe@perches.com, Rasmus Villemoes , Andy Lutomirski , Borislav Petkov , Josh Poimboeuf , Linus Torvalds , Thomas Gleixner Subject: Re: [PATCH v7] x86: Avoid pr_cont() in show_opcodes(). Message-ID: <20180719141120.GI2494@hirez.programming.kicks-ass.net> References: <1532009278-5953-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1532009278-5953-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 19, 2018 at 11:07:58PM +0900, Tetsuo Handa wrote: > From: Rasmus Villemoes > > Since syzbot is confused by concurrent printk() messages [1], > this patch changes show_opcodes() to use %ph format string. > > When we start adding prefix to each line of printk() output, > we will be able to handle concurrent printk() messages. > > [1] https://syzkaller.appspot.com/text?tag=CrashReport&x=139d342c400000 > > Signed-off-by: Rasmus Villemoes > Signed-off-by: Tetsuo Handa > Cc: Borislav Petkov > Cc: Thomas Gleixner > Cc: Peter Zijlstra > Cc: Josh Poimboeuf > Cc: Linus Torvalds > Cc: Andy Lutomirski Thanks! Acked-by: Peter Zijlstra (Intel)