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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 B3EC4C433E1 for ; Fri, 29 May 2020 04:20:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8C1912074D for ; Fri, 29 May 2020 04:20:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C1912074D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F162C80010; Fri, 29 May 2020 00:20:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E9E78800B7; Fri, 29 May 2020 00:20:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D65F380010; Fri, 29 May 2020 00:20:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0147.hostedemail.com [216.40.44.147]) by kanga.kvack.org (Postfix) with ESMTP id B557D800B6 for ; Fri, 29 May 2020 00:20:29 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 7BBEE4DCD for ; Fri, 29 May 2020 04:20:29 +0000 (UTC) X-FDA: 76868454978.30.force03_4374bf44c952 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id 61731180B3C83 for ; Fri, 29 May 2020 04:20:29 +0000 (UTC) X-HE-Tag: force03_4374bf44c952 X-Filterd-Recvd-Size: 1617 Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) by imf19.hostedemail.com (Postfix) with ESMTP for ; Fri, 29 May 2020 04:20:28 +0000 (UTC) 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) X-Rspamd-Queue-Id: 61731180B3C83 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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