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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, 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 15054C43381 for ; Sun, 24 Mar 2019 21:32:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9D7620811 for ; Sun, 24 Mar 2019 21:32:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="jw4U1Pof" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728839AbfCXVcg (ORCPT ); Sun, 24 Mar 2019 17:32:36 -0400 Received: from mail.skyhub.de ([5.9.137.197]:53184 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726317AbfCXVcg (ORCPT ); Sun, 24 Mar 2019 17:32:36 -0400 Received: from zn.tnic (p200300EC2F098000329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2f09:8000:329c:23ff:fea6:a903]) (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 E4D901EC082D; Sun, 24 Mar 2019 22:32:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1553463155; 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=oGDLmf5WFfLXG1Ix6w4r5S8DaE6qXVPzNkgC811/6fM=; b=jw4U1Pofs6TgLvSCx23Dv2arp8f1ZyfH/tbKEGd6nWVtFwnKmsksycUzJSyWBhs4j5OPE1 22DqjNZGhycM+/rGfOc9IlCOu2ktg99BKoI44L/b82fvpr9IhlVwR1CpslRNpTInV9wo0T d4hhoVhhI2yPZTGjao3vfeEV7eiJDK8= Date: Sun, 24 Mar 2019 22:32:37 +0100 From: Borislav Petkov To: Alexey Dobriyan Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/4] x86, putuser: add ASM_CALL_CONSTRAINT Message-ID: <20190324213048.GK23289@zn.tnic> References: <20190316210127.GA21830@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190316210127.GA21830@avx2> 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 Sun, Mar 17, 2019 at 12:01:27AM +0300, Alexey Dobriyan wrote: > Clobber stack pointer given that assembly does CALL. Clobber? Comment over ASM_CALL_CONSTRAINT talks about something else. Also, pls change all your subject prefixes to "x86/uaccess: ..." -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.