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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF5BEC83F10 for ; Sun, 27 Aug 2023 13:12:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229907AbjH0NLk (ORCPT ); Sun, 27 Aug 2023 09:11:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229939AbjH0NLN (ORCPT ); Sun, 27 Aug 2023 09:11:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A49C13D for ; Sun, 27 Aug 2023 06:11:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 000FA611ED for ; Sun, 27 Aug 2023 13:11:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D75D5C433C7; Sun, 27 Aug 2023 13:11:06 +0000 (UTC) Date: Sun, 27 Aug 2023 16:11:05 +0300 From: Catalin Marinas To: Florent Revest Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, anshuman.khandual@arm.com, joey.gouly@arm.com, mhocko@suse.com, keescook@chromium.org, david@redhat.com, peterx@redhat.com, izbyshev@ispras.ru, broonie@kernel.org, szabolcs.nagy@arm.com, kpsingh@kernel.org, gthelen@google.com, toiwoton@gmail.com Subject: Re: [PATCH v3 5/5] kselftest: vm: Add tests for no-inherit memory-deny-write-execute Message-ID: References: <20230704153630.1591122-1-revest@chromium.org> <20230704153630.1591122-6-revest@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230704153630.1591122-6-revest@chromium.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 04, 2023 at 05:36:29PM +0200, Florent Revest wrote: > Add some tests to cover the new PR_MDWE_NO_INHERIT flag of the > PR_SET_MDWE prctl. > > Check that: > - it can't be set without PR_SET_MDWE > - MDWE flags can't be unset > - when set, PR_SET_MDWE doesn't propagate to children > > Signed-off-by: Florent Revest Acked-by: Catalin Marinas