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 2FB0760A2600 for ; Wed, 11 Nov 2026 06:17:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=V28TY9VK; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lwqIIlxM DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=+dRu/ieWpcjsSh7FVYBbeFZj4sROfKx0KyOovHmm1RY=; b=V28TY9VKYAljio0CEqE9N8LTDs Wf0FfXucvCoJxD1k5MEe/p+r6AlIzyKinMKU7nuX1YRNLIUqYFdrFD2aJ9d6R4J7/1qvWJ+NKNOeD UXGyrGzxl3R/XG+0knfqREKzL9pJIpcFEOvhGbruhrKPAyRW1+JtfYyBwa13TWIrN10Q+pLd9rsyI me+8yrJOjNpNIwNjmXphHeZu3MJhk8/HCbVKtpT2ZcVpMx28/Fj2T9g7i0o/IqTRK95CWVTVpaNCM kh8auxybO0FeECtQdFw4PI0tEOt5uOQTLjWbJPXqud95lhDh8p/z+Sej3e01HauNHx2DwlNhD2D4I thNBA3TQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xR1dj-00000005jQH-3eNz; Wed, 11 Nov 2026 06:16:59 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xR1dh-00000005jON-45oM for kexec@lists.infradead.org; Wed, 11 Nov 2026 06:16:57 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id B0A5842BBA; Wed, 11 Nov 2026 06:16:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C58B1F00A08; Wed, 11 Nov 2026 06:16:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794377817; bh=+dRu/ieWpcjsSh7FVYBbeFZj4sROfKx0KyOovHmm1RY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=lwqIIlxMXrhYYv9u6rn6/R+m3BQWilpswuTnNNzR7yp3/ItMy1nrzysFsVVxY2uaR pF/iZKJvXjVwtdWWHhd+HL4g9wRnXHBxIc7ngZZjy5tFvlE5lbnjYcuzgiEmr1vcjW BC4iN5Grj6nuG9Cn/enM1yoxbz+v8vEnhZmf6XuWN63tgRG/4i5kvRev9cp3GIN4jp lQuxV8OCqzaAw8jzGfcu+IaFEXDd6SpvZYqvdkv+DpmT8XOIpzJJ1ibGX3T+jYndGg LoNeYtSZiPSwXfZti8k86fBtODSfaWUd4e51aH1CiWZFClJAelnbqxBZ3ScFu2N/Nj wbYWMC0757c+w== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v4 17/19] mm: memfd_luo: Add feature header to struct memfd_luo_ser To: "Tarun Sahu" , "Pasha Tatashin" , "Mike Rapoport" , robin.murphy@arm.com, maz@kernel.org, will@kernel.org, "David Matlack" , "Alexander Graf" , seanjc@google.com, jgg@nvidia.com, loganodell@google.com, arnd@arndb.de, dwmw2@infradead.org, baolu.lu@linux.intel.com, "Bjorn Helgaas" , oupton@kernel.org, alex@shazbot.org, gle.com@google.com, pbonzini@redhat.com, "Andrew Morton" , kevin.tian@intel.com, joro@8bytes.org Cc: linux-pci@vger.kernel.org, "Pratyush Yadav" , kexec@lists.infradead.org, skhawaja@google.com, sagis@google.com In-Reply-To: <20261110050202.529473-18-tarunsahu@google.com> References: <20261110050202.529473-1-tarunsahu@google.com> <20261110050202.529473-18-tarunsahu@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 11 Nov 2026 06:16:55 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 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 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 X-Archived-By: > Precede struct memfd_luo_ser with struct kho_ser_hdr using > DECLARE_KHO_SER. Later memfd features can be appended under new > feature indices without breaking compatibility between adjacent kernels. >=20 > Allocate both the memfd_luo_ser feature header and the kho_vmalloc > feature header in the same preserved folio. On restore and retrieve, > validate incoming required features before accessing payload fields. >=20 > Signed-off-by: Tarun Sahu Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261110050202.5294= 73-1-tarunsahu@google.com?part=3D17