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 50DAA606A332 for ; Tue, 3 Nov 2026 05:37:30 +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=x8/9eMr1 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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: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=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; b=x8/9eMr1WaDUFeUe9dlLbYS/cs 8gGRI46ZaMQx61kXoVm7kjNYprUndr6LQLrMZmZvhtDTFLHml5S5BU5Qhf0AymqEZH30jlsIosWbh TrX7tC278ss8VGWQ/iRN0WQd50ouXDZnTaER9MHORK6hR/7uSrda00mPa2AtfrHqoKdSOxEj/ymfd aU5T73fWFOfqWPTt2In919lK2bubB4fuPucnWJ/3MY+UGZgrYFQctgNlZr7Y7ImSGHgnhJqcfDvsK PKShHv79heOiQ/T7RkJufMv8inT8jADCSiuWYsu8qay9EeKIg7cTDggaN29o8B15yJ7hLv8Vgj5HH 1o+y0RzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xO7D8-0000000192v-05FW; Tue, 03 Nov 2026 05:37:30 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xO7D5-0000000191z-3uyF for linux-nvme@lists.infradead.org; Tue, 03 Nov 2026 05:37:29 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 7E17368C4E; Tue, 3 Nov 2026 06:37:24 +0100 (CET) Date: Tue, 3 Nov 2026 06:37:23 +0100 From: Christoph Hellwig To: Anuj Gupta Cc: axboe@kernel.dk, hch@lst.de, asml.silence@gmail.com, kbusch@kernel.org, linux-nvme@lists.infradead.org, anuj20.g@samsung.com Subject: Re: [PATCH] nvme: return -EOPNOTSUPP for unsupported dma-buf I/O Message-ID: <20261103053723.GF1382@lst.de> References: <20261030120300.4161174-1-anuj1072538@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261030120300.4161174-1-anuj1072538@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261102_213728_118857_45ADB06E X-CRM114-Status: UNSURE ( 8.84 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-10.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 Looks good: Reviewed-by: Christoph Hellwig