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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 6BCFFC2D0C6 for ; Wed, 11 Dec 2019 15:30:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41097208C3 for ; Wed, 11 Dec 2019 15:30:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="SznFw/xu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387957AbfLKPaG (ORCPT ); Wed, 11 Dec 2019 10:30:06 -0500 Received: from smtp-fw-4101.amazon.com ([72.21.198.25]:61065 "EHLO smtp-fw-4101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387678AbfLKPaF (ORCPT ); Wed, 11 Dec 2019 10:30:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1576078206; x=1607614206; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=I98AkRNnVsqEIMz+PpHt6g7o9OQDRo5l2g1aJ7GfB9Q=; b=SznFw/xuHRbVMsimRs6KWC0/wmrVE3eWHpGWdj/CrlRl9hlIcUTh7usk eDFhqFyPuFG5xUBx+JLoBdtvUK+Dn8VguQ7V5/DnQpanyAXGPlHWLR/aN pGuBmHbC5vkcOVx3s1D+Pq7l+FNQn+fP4UWno7qjVJvQVld+Hoz1UjrIK Q=; IronPort-SDR: IbA0eeW8YkrsZbxF5SNM+6aBwOIGfC6wXuDx2Q/Ksp4NoI47rdXO4mMdPlemRy6g0GNUzFZKi4 X9weZ9SP2b5g== X-IronPort-AV: E=Sophos;i="5.69,301,1571702400"; d="scan'208";a="8046823" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2a-119b4f96.us-west-2.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-4101.iad4.amazon.com with ESMTP; 11 Dec 2019 15:30:03 +0000 Received: from EX13MTAUEA001.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2a-119b4f96.us-west-2.amazon.com (Postfix) with ESMTPS id 1055B1A21C8; Wed, 11 Dec 2019 15:30:02 +0000 (UTC) Received: from EX13D32EUC001.ant.amazon.com (10.43.164.159) by EX13MTAUEA001.ant.amazon.com (10.43.61.243) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 11 Dec 2019 15:30:01 +0000 Received: from EX13MTAUWC001.ant.amazon.com (10.43.162.135) by EX13D32EUC001.ant.amazon.com (10.43.164.159) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 11 Dec 2019 15:29:59 +0000 Received: from u2f063a87eabd5f.cbg10.amazon.com (10.125.106.135) by mail-relay.amazon.com (10.43.162.232) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Wed, 11 Dec 2019 15:29:57 +0000 From: Paul Durrant To: , , CC: Paul Durrant , Boris Ostrovsky , Jens Axboe , Juergen Gross , Konrad Rzeszutek Wilk , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , "Stefano Stabellini" Subject: [PATCH v3 0/4] xen-blkback: support live update Date: Wed, 11 Dec 2019 15:29:52 +0000 Message-ID: <20191211152956.5168-1-pdurrant@amazon.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Patch #1 is clean-up for an apparent mis-feature. Paul Durrant (4): xenbus: move xenbus_dev_shutdown() into frontend code... xenbus: limit when state is forced to closed xen/interface: re-define FRONT/BACK_RING_ATTACH() xen-blkback: support dynamic unbind/bind drivers/block/xen-blkback/xenbus.c | 56 +++++++++++++++------- drivers/xen/xenbus/xenbus.h | 2 - drivers/xen/xenbus/xenbus_probe.c | 35 ++++---------- drivers/xen/xenbus/xenbus_probe_backend.c | 1 - drivers/xen/xenbus/xenbus_probe_frontend.c | 24 +++++++++- include/xen/interface/io/ring.h | 29 ++++------- include/xen/xenbus.h | 1 + 7 files changed, 81 insertions(+), 67 deletions(-) --- v3: - Only patch #4 modified Cc: Boris Ostrovsky Cc: Jens Axboe Cc: Juergen Gross Cc: Konrad Rzeszutek Wilk Cc: "Roger Pau Monné" Cc: Stefano Stabellini -- 2.20.1 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=-2.4 required=3.0 tests=DKIM_ADSP_ALL,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 5DA07C43603 for ; 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11 Dec 2019 15:30:03 +0000 Received: from EX13MTAUEA001.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2a-119b4f96.us-west-2.amazon.com (Postfix) with ESMTPS id 1055B1A21C8; Wed, 11 Dec 2019 15:30:02 +0000 (UTC) Received: from EX13D32EUC001.ant.amazon.com (10.43.164.159) by EX13MTAUEA001.ant.amazon.com (10.43.61.243) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 11 Dec 2019 15:30:01 +0000 Received: from EX13MTAUWC001.ant.amazon.com (10.43.162.135) by EX13D32EUC001.ant.amazon.com (10.43.164.159) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 11 Dec 2019 15:29:59 +0000 Received: from u2f063a87eabd5f.cbg10.amazon.com (10.125.106.135) by mail-relay.amazon.com (10.43.162.232) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Wed, 11 Dec 2019 15:29:57 +0000 From: Paul Durrant To: , , Date: Wed, 11 Dec 2019 15:29:52 +0000 Message-ID: <20191211152956.5168-1-pdurrant@amazon.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: Bulk Subject: [Xen-devel] [PATCH v3 0/4] xen-blkback: support live update X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , Juergen Gross , Stefano Stabellini , Konrad Rzeszutek Wilk , Paul Durrant , Boris Ostrovsky , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" UGF0Y2ggIzEgaXMgY2xlYW4tdXAgZm9yIGFuIGFwcGFyZW50IG1pcy1mZWF0dXJlLgoKUGF1bCBE dXJyYW50ICg0KToKICB4ZW5idXM6IG1vdmUgeGVuYnVzX2Rldl9zaHV0ZG93bigpIGludG8gZnJv bnRlbmQgY29kZS4uLgogIHhlbmJ1czogbGltaXQgd2hlbiBzdGF0ZSBpcyBmb3JjZWQgdG8gY2xv c2VkCiAgeGVuL2ludGVyZmFjZTogcmUtZGVmaW5lIEZST05UL0JBQ0tfUklOR19BVFRBQ0goKQog IHhlbi1ibGtiYWNrOiBzdXBwb3J0IGR5bmFtaWMgdW5iaW5kL2JpbmQKCiBkcml2ZXJzL2Jsb2Nr L3hlbi1ibGtiYWNrL3hlbmJ1cy5jICAgICAgICAgfCA1NiArKysrKysrKysrKysrKystLS0tLS0t CiBkcml2ZXJzL3hlbi94ZW5idXMveGVuYnVzLmggICAgICAgICAgICAgICAgfCAgMiAtCiBkcml2 ZXJzL3hlbi94ZW5idXMveGVuYnVzX3Byb2JlLmMgICAgICAgICAgfCAzNSArKysrLS0tLS0tLS0t LQogZHJpdmVycy94ZW4veGVuYnVzL3hlbmJ1c19wcm9iZV9iYWNrZW5kLmMgIHwgIDEgLQogZHJp dmVycy94ZW4veGVuYnVzL3hlbmJ1c19wcm9iZV9mcm9udGVuZC5jIHwgMjQgKysrKysrKysrLQog aW5jbHVkZS94ZW4vaW50ZXJmYWNlL2lvL3JpbmcuaCAgICAgICAgICAgIHwgMjkgKysrKy0tLS0t LS0KIGluY2x1ZGUveGVuL3hlbmJ1cy5oICAgICAgICAgICAgICAgICAgICAgICB8ICAxICsKIDcg ZmlsZXMgY2hhbmdlZCwgODEgaW5zZXJ0aW9ucygrKSwgNjcgZGVsZXRpb25zKC0pCi0tLQp2MzoK IC0gT25seSBwYXRjaCAjNCBtb2RpZmllZAoKQ2M6IEJvcmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0 cm92c2t5QG9yYWNsZS5jb20+CkNjOiBKZW5zIEF4Ym9lIDxheGJvZUBrZXJuZWwuZGs+CkNjOiBK dWVyZ2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+CkNjOiBLb25yYWQgUnplc3p1dGVrIFdpbGsg PGtvbnJhZC53aWxrQG9yYWNsZS5jb20+CkNjOiAiUm9nZXIgUGF1IE1vbm7DqSIgPHJvZ2VyLnBh dUBjaXRyaXguY29tPgpDYzogU3RlZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwu b3JnPgotLSAKMi4yMC4xCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVj dC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1k ZXZlbA==