Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1776666pxj; Sun, 16 May 2021 03:59:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwyWfGTpHCa8DvMlACn6JwLSoJ0Wb/SQiKsftbrQxZTukFdz8jcENctvQaGEnabB68OF8Hg X-Received: by 2002:a17:907:2646:: with SMTP id ar6mr24846140ejc.293.1621162795849; Sun, 16 May 2021 03:59:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621162795; cv=none; d=google.com; s=arc-20160816; b=T/uk71dsM6HQqOelszCYtcHQcutokA0PF88uBFBQ1s6vi6dvRawRm08RV8HAj/eYuo DwCPEQYmljc95RqjUdSYVlY5nEuZzsq+PynSSEt2OMtVebNVjtBe6B9t2K+D61KDP3iO pQwVW4PTEmOX3ARXbEkjhz5/njf+/Vlws25j77UTVHSr04A9I5dIA3lte7/AY85P1YPR 08dWif0AGxqtm3vjHO4zjQ5lnw2h9SIAS7pENtMWlEgf3QyrXnnYJvLgOMDFl4StZjYj 3ZtEbzfEl14ZiaxzWDtxKRUf2ymjDFFWBFXnirvCdQ9IMZqZwar3Vuu8Wgl9SJRUzlhe hHzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version:date :message-id:subject:references:in-reply-to:cc:to:from; bh=gA7mJYXgpGeVvwNjk9lJn3ay6rH7CuVu6gKOcBCtBuc=; b=dszcvqEjRDUmpNQm6UM/aHwhtq8E0H6VTgLZeNCXzRlpXVylj7yXRprlBy9SjuUgTn 2qBkm7mJq4TDOUuHbV44Pie3ZRiCMOgHP2xo4nefQTZzr6Ntq05z8oOjMrc+CnlQ8e/q kEdO8RBqxeuMJi5hQMB7P2Fv3oKJqv1cjd3UpTDCNdG+kLtJ9d3KqGGsadlGdBjC7RpL g8JO9ehngrgDyS3rO34XuriZxANhBMLF0FBYxLaVw1Ypdv3fdx+UCZ4tDNJpG0gRAsHd C6v5jwEqGxpAhbZlIxmfvqp9Mj9lxUOioyMvnM5WZy582dSkhNGNt9xV+x689PwcfpMU MAFA== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id i9si11281223edb.271.2021.05.16.03.59.32; Sun, 16 May 2021 03:59:55 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230001AbhEOWq7 (ORCPT + 99 others); Sat, 15 May 2021 18:46:59 -0400 Received: from ozlabs.org ([203.11.71.1]:36815 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229942AbhEOWq6 (ORCPT ); Sat, 15 May 2021 18:46:58 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 4FjL8R6WcQz9sf8; Sun, 16 May 2021 08:45:43 +1000 (AEST) From: Michael Ellerman To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Christophe Leroy Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org In-Reply-To: <332773775cf24a422105dee2d383fb8f04589045.1620302182.git.christophe.leroy@csgroup.eu> References: <332773775cf24a422105dee2d383fb8f04589045.1620302182.git.christophe.leroy@csgroup.eu> Subject: Re: [PATCH] powerpc/syscall: Calling kuap_save_and_lock() is wrong Message-Id: <162111863271.1890426.12479008048900584669.b4-ty@ellerman.id.au> Date: Sun, 16 May 2021 08:43:52 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 6 May 2021 11:56:31 +0000 (UTC), Christophe Leroy wrote: > kuap_save_and_lock() is only for interrupts inside kernel. > > system call are only from user, calling kuap_save_and_lock() > is wrong. Applied to powerpc/fixes. [1/1] powerpc/syscall: Calling kuap_save_and_lock() is wrong https://git.kernel.org/powerpc/c/5d510ed78bcfcbbd3b3891cbe79cd7543bce1d05 cheers