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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63A99CA9EB5 for ; Mon, 4 Nov 2019 14:57:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 38B01205C9 for ; Mon, 4 Nov 2019 14:57:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JNH2eTFF"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kalray.eu header.i=@kalray.eu header.b="NO/Bwf7W" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38B01205C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=kalray.eu Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Subject:References: In-Reply-To:Message-ID:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bw37CXgh+dANjGMEEQiQQViWAeBvjWpwwNVA1jET/9w=; b=JNH2eTFFlh6BW7 U2bk8wy0RZCVHKu/hPW+MtQw3yv+mPQSbid4eMyyRwuOR8ooW1wCsSbb1pEI0I9MS26jhqyhgeyUK 4aL2qo4CmQMuZ+FZuRY5ysmIj5u4WMIFOmeNygIq/OJbA/GupMcqW+TDA+MM6xNNiMtFZEaVb7oYz VGFw8LwaM1SJfSinpT9Dh8OHm0JHNnigsJFHWzLq/Gr7CoD1uLoXFjAOfpKz7GxiYOlJyzTqWA3p0 cEL+uT0sPdz1jGx0op/+VuKXeclWoy15eHEjP5VxSxzag4uTegDWRL7tQByK6n4HgNxCa293xDejr gc3ewtSvGAzvTLiyfAMg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iRdmw-00046s-Dm; Mon, 04 Nov 2019 14:57:02 +0000 Received: from zimbra2.kalray.eu ([92.103.151.219]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iRdmt-00045L-3G for linux-nvme@lists.infradead.org; Mon, 04 Nov 2019 14:57:00 +0000 Received: from localhost (localhost [127.0.0.1]) by zimbra2.kalray.eu (Postfix) with ESMTP id 8424D27E03F9; Mon, 4 Nov 2019 15:56:57 +0100 (CET) Received: from zimbra2.kalray.eu ([127.0.0.1]) by localhost (zimbra2.kalray.eu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id FBasB0e2P1LE; Mon, 4 Nov 2019 15:56:57 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by zimbra2.kalray.eu (Postfix) with ESMTP id 439EB27E064D; Mon, 4 Nov 2019 15:56:57 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbra2.kalray.eu 439EB27E064D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kalray.eu; s=32AE1B44-9502-11E5-BA35-3734643DEF29; t=1572879417; bh=zTdMY1D+/EaaQogl6Eug21gFV2VVh60wfcDGJ5Yqj6I=; h=Date:From:To:Message-ID:MIME-Version; b=NO/Bwf7WEpyIAZilQE02nBufJrADGZiT/7YdlYFMmu3EHF6L6sJ0bULUkOBew1RcW VvDG0HOgOlJuX9609IV+kdtwM7JVOnp06GmNCYEcrmGJzbtjOg610l3p6QrcPlTJMy cE0rqYZJ2BMS0Bzz/JI0UgPfArZVTqpdBk16k5o4= X-Virus-Scanned: amavisd-new at zimbra2.kalray.eu Received: from zimbra2.kalray.eu ([127.0.0.1]) by localhost (zimbra2.kalray.eu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id O9ucltNPY_jE; Mon, 4 Nov 2019 15:56:57 +0100 (CET) Received: from zimbra2.kalray.eu (localhost [127.0.0.1]) by zimbra2.kalray.eu (Postfix) with ESMTP id 2B9B227E03F9; Mon, 4 Nov 2019 15:56:57 +0100 (CET) Date: Mon, 4 Nov 2019 15:56:57 +0100 (CET) From: Marta Rybczynska To: Charles Machalow Message-ID: <871357470.90297451.1572879417091.JavaMail.zimbra@kalray.eu> In-Reply-To: References: <20191031050338.12700-1-csm10495@gmail.com> <20191031133921.GA4763@lst.de> <1977598237.90293761.1572878080625.JavaMail.zimbra@kalray.eu> Subject: Re: [PATCH] nvme: change nvme_passthru_cmd64's result field. MIME-Version: 1.0 X-Originating-IP: [192.168.40.202] X-Mailer: Zimbra 8.8.12_GA_3794 (ZimbraWebClient - FF57 (Linux)/8.8.12_GA_3794) Thread-Topic: nvme: change nvme_passthru_cmd64's result field. Thread-Index: NUQ6qFaX8J30rCk1l2+etdD7aEChkA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191104_065659_329933_2CA68C27 X-CRM114-Status: UNSURE ( 5.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagi Grimberg , linux-kernel , linux-nvme , axboe , kbusch , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org ----- On 4 Nov, 2019, at 15:51, Charles Machalow csm10495@gmail.com wrote: > For this one yes, UAPI size changes. Though I believe this IOCTL > hasn't been in a released Kernel yet (just RC). Technically it may be > changeable as a fix until the next Kernel is released. I do think its > a useful enough > change to warrant a late fix. The old one is in UAPI for years. The new one is not yet, right. I'm OK to change the new structure. To have compatibility you would have to use the new structure (at least its size) in the user space code. This is what you'd liek to do? Marta _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme