From patchwork Thu Dec 17 13:04:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 345432 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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 BA677C4361B for ; Thu, 17 Dec 2020 13:06:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73618238D6 for ; Thu, 17 Dec 2020 13:06:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727303AbgLQNGD (ORCPT ); Thu, 17 Dec 2020 08:06:03 -0500 Received: from smtp-fw-9103.amazon.com ([207.171.188.200]:38097 "EHLO smtp-fw-9103.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726773AbgLQNGC (ORCPT ); Thu, 17 Dec 2020 08:06:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1608210361; x=1639746361; h=from:to:cc:subject:date:message-id:mime-version; bh=BAffkaoVJtm+T+Kd6T923eXE7+ZB8K1xfmB+Tklg18Q=; b=QCbJIelty+beg17xx7pJfKHh64nDtQtMVF6BSAr8IHg8ai48W/MuAqi7 b9wSMRnWk7oOkAi5faWm5iyilbPoF8Yro4bp+HWSS6at+3+N6ZL1+etgG geh4KAmInkR/wgd5LMrfWYjgmMGVIK7rsCgbQm62lTfTJGOC3ZiEbLdHI g=; X-IronPort-AV: E=Sophos;i="5.78,428,1599523200"; d="scan'208";a="903914475" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1d-37fd6b3d.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9103.sea19.amazon.com with ESMTP; 17 Dec 2020 13:05:21 +0000 Received: from EX13D31EUA004.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-1d-37fd6b3d.us-east-1.amazon.com (Postfix) with ESMTPS id 688BD282DFF; Thu, 17 Dec 2020 13:05:20 +0000 (UTC) Received: from u3f2cd687b01c55.ant.amazon.com (10.43.160.66) by EX13D31EUA004.ant.amazon.com (10.43.165.161) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Dec 2020 13:05:15 +0000 From: SeongJae Park To: CC: SeongJae Park , , , , , , , Subject: [PATCH v2 0/5] Backport of patch series for stable 4.4 branch Date: Thu, 17 Dec 2020 14:04:56 +0100 Message-ID: <20201217130501.12702-1-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.43.160.66] X-ClientProxiedBy: EX13D39UWA002.ant.amazon.com (10.43.160.20) To EX13D31EUA004.ant.amazon.com (10.43.165.161) Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: SeongJae Park Changes from v1 (https://lore.kernel.org/stable/20201217081727.8253-1-sjpark@amazon.com/) - Remove wrong 'Signed-off-by' lines for 'Author Redacted' SeongJae Park (5): xen/xenbus: Allow watches discard events before queueing xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path() xen/xenbus/xen_bus_type: Support will_handle watch callback xen/xenbus: Count pending messages for each watch xenbus/xenbus_backend: Disallow pending watch messages drivers/block/xen-blkback/xenbus.c | 3 +- drivers/net/xen-netback/xenbus.c | 4 ++- drivers/xen/xen-pciback/xenbus.c | 2 +- drivers/xen/xenbus/xenbus_client.c | 8 ++++- drivers/xen/xenbus/xenbus_probe.c | 1 + drivers/xen/xenbus/xenbus_probe.h | 2 ++ drivers/xen/xenbus/xenbus_probe_backend.c | 7 +++++ drivers/xen/xenbus/xenbus_xs.c | 38 +++++++++++++++-------- include/xen/xenbus.h | 15 ++++++++- 9 files changed, 62 insertions(+), 18 deletions(-)