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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 042B8C433E0 for ; Thu, 14 May 2020 14:17:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D100020671 for ; Thu, 14 May 2020 14:17:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="HAbXWhxs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727769AbgENORE (ORCPT ); Thu, 14 May 2020 10:17:04 -0400 Received: from mail.skyhub.de ([5.9.137.197]:50774 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726050AbgENORD (ORCPT ); Thu, 14 May 2020 10:17:03 -0400 Received: from zn.tnic (p200300EC2F0BBD00DC45039F589BC722.dip0.t-ipconnect.de [IPv6:2003:ec:2f0b:bd00:dc45:39f:589b:c722]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 4C9C31EC015C; Thu, 14 May 2020 16:17:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1589465822; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=L/7YnQ+kNL3Q5YC63tSTUBj8eb6tXih/NbkQSzEPndI=; b=HAbXWhxsivatZF1kn9wC7NAG1048ANHXznHBvZEbZXYclfhh2RFuRzkmaduObDJKP8zpxT lvjUdlJUIIqOqqOWVwviDQHO9jRFcTkgCV7Es8/mqqy0wMPbxUEf62a+KplHFjuKXzm1ef l2su/xkwCsuIM35Wy4PhbVngMPKbpzs= Date: Thu, 14 May 2020 16:17:03 +0200 From: Borislav Petkov To: Thomas Gleixner Cc: LKML , x86@kernel.org, "Paul E. McKenney" , Andy Lutomirski , Alexandre Chartre , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon , "Peter Zijlstra (Intel)" , Tony Luck Subject: Re: [patch V4 part 1 29/36] x86/mce: Send #MC singal from task work Message-ID: <20200514141703.GD9266@zn.tnic> References: <20200505131602.633487962@linutronix.de> <20200505134100.957390899@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200505134100.957390899@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org + Tony. On Tue, May 05, 2020 at 03:16:31PM +0200, Thomas Gleixner wrote: > From: Peter Zijlstra > > Convert #MC over to using task_work_add(); it will run the same code > slightly later, on the return to user path of the same exception. > > Signed-off-by: Peter Zijlstra (Intel) > Signed-off-by: Thomas Gleixner > Reviewed-by: Frederic Weisbecker > --- > arch/x86/kernel/cpu/mce/core.c | 56 ++++++++++++++++++++++------------------- > include/linux/sched.h | 6 ++++ > 2 files changed, 37 insertions(+), 25 deletions(-) I like this: Reviewed-by: Borislav Petkov -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette