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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1695289910; h=from:from:sender: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=pQyhVUfSk4Wz/3YwSWO6rjBEVXAeLvOGTAc/GYJMrqY=; b=VuwrVOf/dZ8UOSFY6RxDPFfHP20cAMn41SR7vyewKKzvZLcTS1NZx6Ql/reCXrXYufO/nU lw4r7rUZouLPTG3uWOqxc9hToV5nROndjMjunWlcTLtkeOen9xXyQloHkCrrojWlaI6vQX TNCFvOnKES0duFLQBlIoX2mG4quRYJ4= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C107B153B; Thu, 21 Sep 2023 02:52:26 -0700 (PDT) Received: from arm.com (RQ4T19M611.cambridge.arm.com [10.1.27.31]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 980C13F59C; Thu, 21 Sep 2023 02:51:47 -0700 (PDT) Date: Thu, 21 Sep 2023 10:51:45 +0100 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, ayush.jain3@amd.com Subject: Re: [PATCH v4 3/6] kselftest: vm: Check errnos in mdwe_test Message-ID: References: <20230828150858.393570-1-revest@chromium.org> <20230828150858.393570-4-revest@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230828150858.393570-4-revest@chromium.org> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: AB5B4A0040 X-Stat-Signature: i1boo7ykp45g865p7mwzu7ajndj33di5 X-Rspam-User: X-HE-Tag: 1695289910-387222 X-HE-Meta: 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 JhZh5PEe Zujn1aAnBxm3hBi4TkzTtVC7YEaE2BTR/1RntyV21Tnw4ZVRK/Z8NMzRvUuh6bMW6xJ49m6mLc8NypYnTTY7cCpiXLqxAFkA+A6r3UkpuUYoNZGzuw1LJ+T++yWc5W6nWQ4uyYVl69579cBt55/B4Mm0UdyDSx1Z1T3sT1G2Sr/j/muVzbawvZL4ykvh6HnsejXmEOdQlLOyDcEF1fGDH43c3D6atc4h+YNczT3qGQxNhKpBthclmrgavXslcdqtXI6YnHJqYUVQo5al/mfzppXUsOq1jhhbWhU8/7EalMZAP8G8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Aug 28, 2023 at 05:08:55PM +0200, Florent Revest wrote: > Invalid prctls return a negative code and set errno. It's good practice > to check that errno is set as expected. > > Signed-off-by: Florent Revest Acked-by: Catalin Marinas