Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp224529ybm; Thu, 28 May 2020 21:25:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJweSrB8w8AzZ2Qlig2VLak/HenHYQAclqmBX2Cgy2Bipbo7crg3evbW/WzJe8YbUk9osam4 X-Received: by 2002:a17:906:660f:: with SMTP id b15mr5718623ejp.113.1590726343526; Thu, 28 May 2020 21:25:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590726343; cv=none; d=google.com; s=arc-20160816; b=POWm4Yz78AMwtd4aV5Mg4PfOvJvqLGb3jPnx1PfEAa0IqJM99mfrW0ytQoeMsEuq5c BDtEUv1e9RhPb3W++VuJliqOpRHfIVH8yB598mlI/Js0npj2ofWcCzlkX3KMnRwQqdZk KXzA0gZEpaGbvoJcG6KYm7BPwrkvADRZa0fQwU9wEVYkE/vKxvpFAztH6qaS5UJUwgkC jlyaZsq12wI7CxC7Vd1MtHkCGgtlwrvqbCcPrMHiYCPPPqKe6dMxQJEXzfl0fFWDpwQm gzbFDVwMOOywZri9oAVdVXFkCyUA5BxpE9A91F+qFDYpGB0WvUah66ZdC066983qbdIe Uskw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:message-id:subject:cc:from:to :in-reply-to; bh=x2sigMXn2ydodIwan4ndmOq43GkQV1/iXGbD5AXWg8g=; b=qwFIw4pWEcpwVUCdSwLkg4VNk2cVUjkw9oJufZooGeW9pA2WaWtIsRICJh8mO8feYn wdEeGkyvKUSei9jCcwIrfgRl9OZri+3y6p/BiBEvVA3x19W/mBxz5lk3JX1Dlw13058r 691TjKQxu/0MChteuX+Gqp+0dHeJaWvYETQ1LiSS+veaby9PB1GYgI1WrligYDIsw6E/ SohQeUTuQQ0MKENhVIUKXU/N/cv/KU9TwxRRNgitmtVgR8fAKQUqkdkQRkbLB+M9X0qU Ym9g1razynQfDrJFeM427AOTHsoIpbm7GoaCIIANZ6B/VZ4oJOperRpALV5Nkjt346Hs +aXQ== 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 f12si4849694ejc.674.2020.05.28.21.25.21; Thu, 28 May 2020 21:25:43 -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 S1728884AbgE2EVI (ORCPT + 99 others); Fri, 29 May 2020 00:21:08 -0400 Received: from ozlabs.org ([203.11.71.1]:42083 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728918AbgE2EU1 (ORCPT ); Fri, 29 May 2020 00:20:27 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 49YBF530k9z9sSs; Fri, 29 May 2020 14:20:25 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 41cd780524674082b037e7c8461f90c5e42103f0 In-Reply-To: <2e73bc57125c2c6ab12a587586a4eed3a47105fc.1585898438.git.christophe.leroy@c-s.fr> To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , airlied@linux.ie, daniel@ffwll.ch, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, keescook@chromium.org, hpa@zytor.com From: Michael Ellerman Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, intel-gfx@lists.freedesktop.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/5] uaccess: Selectively open read or write user access Message-Id: <49YBF530k9z9sSs@ozlabs.org> Date: Fri, 29 May 2020 14:20:25 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-04-03 at 07:20:51 UTC, Christophe Leroy wrote: > When opening user access to only perform reads, only open read access. > When opening user access to only perform writes, only open write > access. > > Signed-off-by: Christophe Leroy > Reviewed-by: Kees Cook Applied to powerpc topic/uaccess, thanks. https://git.kernel.org/powerpc/c/41cd780524674082b037e7c8461f90c5e42103f0 cheers