Received: by 2002:a25:23cc:0:0:0:0:0 with SMTP id j195csp2038556ybj; Wed, 6 May 2020 09:31:13 -0700 (PDT) X-Google-Smtp-Source: APiQypJiZdmc/xczWRVReOwQSmunKY+LhUrTCvK0soY1vwn1wjgUsp2C4JXbeIPNyNZmowiJ4B+B X-Received: by 2002:a05:6402:602:: with SMTP id n2mr7571507edv.79.1588782672776; Wed, 06 May 2020 09:31:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588782672; cv=none; d=google.com; s=arc-20160816; b=TaNhRFrsSS1rlUDoow0I1QVYc9FZOdGEzM9FasEv+wmwMYPtBfL0Fn3TVPQf/haTkT 0H8EwTyiynii4dW+nBTeQIMXRy3sKNGOFe1kp5amgcL/hpcAg2GNhtpzP7KrLiDLOJVb SqU8yVw95/VyYHr9e/7yn8z2o+CLiGL9BPC4ANL7NWKgx/EF6jRvKkK+ZbDKWUWrlCQD 7qzpzZtsesZXd0E2QNDc/FFGDYKhobVBBXKu02mYfJRNsCEuaRowijEfYk8lGyY5pC7k Jb47x1C/mVtjosglzKdIDfy6W9ZhQo7TQrPfSASop9ZWKTWmm22s9N4NTh/kOs3qk7a5 qfug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=Ad5FUZ/PtkfUPDjxUhoxuXLUOo4ajiKeVX5SE3c9QOM=; b=nx5oRdyYKVdcZs/FzNHypdF8wHAhll+7xqDOkP7Dtry4MmhKZ/GZKISY7TJgWxSdGI DZPehfByF0cuh5pxcRkD9kSBi3HDwJAvHC4YVpPRjmxFkLSj8W0+vEV1Zk5+C6qh5tyy oG5/Dca8mINpfLOHmrISt845fQRr4sGxp4LeLy/sH2MhwpDn394UpF1vS6tkm6DjUEkX RygWFgUKgnBxzTHu1R4bH4EJ1sNcUu+zzrVCHZ/Tbe4rgIX9t99OTWBN5CKAz4EsAn+h OqIHSOZ1nEVew/PIKA10WnknKXh1xwsemAagTbziBUZo1iimDZbGMnziWbub3gaK0xf5 ORFw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=aiSz+qYq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j12si1450455ejs.153.2020.05.06.09.30.47; Wed, 06 May 2020 09:31:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=aiSz+qYq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729681AbgEFQ0m (ORCPT + 99 others); Wed, 6 May 2020 12:26:42 -0400 Received: from mail.skyhub.de ([5.9.137.197]:34306 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729477AbgEFQ0l (ORCPT ); Wed, 6 May 2020 12:26:41 -0400 Received: from zn.tnic (p200300EC2F069600311A41E22EFEB62B.dip0.t-ipconnect.de [IPv6:2003:ec:2f06:9600:311a:41e2:2efe:b62b]) (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 724F51EC0354; Wed, 6 May 2020 18:26:40 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1588782400; 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=Ad5FUZ/PtkfUPDjxUhoxuXLUOo4ajiKeVX5SE3c9QOM=; b=aiSz+qYq84RNj/Ld3e7eBByIkZT5Sy6HA9r9aB1DW2AxnNN+2EKiwd4JnawRY9HMRvGyZ6 X+ZcGIuxtiv9jTT0kxMfyhLzU85HJWXZM0dfHmVvNkp7huioRuLqIk3xgP2zQgObkQ8SSj Y1o19mav1EUuMUkPoLNYqsuzvBTe2R0= Date: Wed, 6 May 2020 18:26:35 +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)" Subject: Re: [patch V4 part 1 05/36] x86/entry: Flip _TIF_SIGPENDING and _TIF_NOTIFY_RESUME handling Message-ID: <20200506162635.GD25532@zn.tnic> References: <20200505131602.633487962@linutronix.de> <20200505134058.560059744@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200505134058.560059744@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 On Tue, May 05, 2020 at 03:16:07PM +0200, Thomas Gleixner wrote: > Make sure task_work runs before any kind of userspace -- very much > including signals -- is invoked. > > Suggested-by: Andy Lutomirski > Signed-off-by: Peter Zijlstra (Intel) > Signed-off-by: Thomas Gleixner Does this need From: Peter too? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette