From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9544606A335 for ; Wed, 4 Nov 2026 13:26:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=1uWaRwtD; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=AAQeB94N DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=pvQk7gkgjyECtllSEXxMYHx9i1xSAVAK6APJPPvCqm0=; b=1uWaRwtDt8ZDjyVtkiiUIA4364 nXH5SDrXm7wXq8rZIfVVylk2MY2cQtRZBfVEPIeRD4NFN6Z3xE3/ZBE0o+qo9zzHaB2MJL6JRg4e0 o0DrqL1o+7RU6rHiDqfzkgSuLBTn++pSbQCeg+iaVaT+cb6CkIgprWYK0aI/hzWG6EZP656A7Kvk2 Ft2NNIU7MQypyd+st7b4uwXds0HMglkW3qlyQEgpg7UxxEzTAdUzAAzFa5GHcb3uyHNDDrdVCVUoO 0XcFYJCS22k/MPkEH8dK/xUva04aXj7TjP+vGd6SQrdIFZzKvpkdeTTaV5m9EFtdOWzVsMxFSaFMG 4zBekI9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOb0e-00000005Twk-1Jkw; Wed, 04 Nov 2026 13:26:36 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOb0c-00000005Twd-3pJM for kexec@lists.infradead.org; Wed, 04 Nov 2026 13:26:34 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 92EDB40356; Wed, 4 Nov 2026 13:26:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE9C61F000C1; Wed, 4 Nov 2026 13:26:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793798794; bh=pvQk7gkgjyECtllSEXxMYHx9i1xSAVAK6APJPPvCqm0=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=AAQeB94NpsdVxdbYF50v7JrxTJ1MLmAG6T5ILf5+I7BHKtmTQeMeLUsVdV9aAKJVb F8aobQ2oDHgTUEkO+hLUrZO2Fs6BLUEX9y/S/oqQY7sF61wAP95BBkBCz+S2kZIm7M 2qygBxvGCen/9kY8WP5FXnqVn2NYpENQNyoFzj6xasHx04ktg3N7JTbponsO+FBA8O MTq59fCOT+AWqw7PxNNGuzK5yvxfXmIt6oNkjBUWq3LDHFJtB9aJHmvFZQAf7pBYf5 Ai+VKaIUMG/mOwbCQu68+3iEQ7bkX8G/U0l1OHYMA92ntsVjriWAeYkIvkV0ZemmzI mqKBfJJ0rQ/1g== From: Pratyush Yadav To: David Matlack Cc: kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, Alexander Graf , Andrew Morton , Baolin Wang , Christian Brauner , David Hildenbrand , Hugh Dickins , Jonathan Corbet , "Liam R. Howlett" , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Pasha Tatashin , Pratyush Yadav , Randy Dunlap , Samiullah Khawaja , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka Subject: Re: [PATCH v3 02/10] selftests: liveupdate: Add tests for preserve and retrieve user argument In-Reply-To: <20261103010216.3447716-3-dmatlack@google.com> (David Matlack's message of "Tue, 3 Nov 2026 01:02:08 +0000") References: <20261103010216.3447716-1-dmatlack@google.com> <20261103010216.3447716-3-dmatlack@google.com> Date: Wed, 04 Nov 2026 14:26:29 +0100 Message-ID: <2vxzzevok9ru.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" X-Spam-Status: No, score=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Tue, Nov 03 2026, David Matlack wrote: > From: Pasha Tatashin > > Verify the user argument support in LIVEUPDATE_SESSION_PRESERVE_FD and > LIVEUPDATE_SESSION_RETRIEVE_FD. Add luo_session_preserve_fd_arg() and > luo_session_retrieve_fd_arg() helpers to libliveupdate so tests can pass > a handler-specific argument. > > Add a preserve_memfd_with_arg test case to verify that memfd > preservation rejects a non-zero argument with -EOPNOTSUPP, accepts an > explicit zero argument, and remains compatible with callers passing the > legacy struct size up to the token field. > > Signed-off-by: Pasha Tatashin > Signed-off-by: David Matlack Reviewed-by: Pratyush Yadav (Google) [...] -- Regards, Pratyush Yadav