From patchwork Mon Nov 2 12:17:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 317314 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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 C3AB6C388F2 for ; Mon, 2 Nov 2020 12:17:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 543DC223BF for ; Mon, 2 Nov 2020 12:17:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="BC63f72/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728663AbgKBMRZ (ORCPT ); Mon, 2 Nov 2020 07:17:25 -0500 Received: from mx2.suse.de ([195.135.220.15]:48042 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728359AbgKBMRZ (ORCPT ); Mon, 2 Nov 2020 07:17:25 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1604319443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=dakO2eqDs+/xkLYA+D9CLHPRQ6hVFsHULOnfX6ANSSo=; b=BC63f72/2Yh3qYGL/piGdc6jO7ltp4MHSD4lFHV1BFqY1FmOiCF1Rujnrde/XU/zDc8vda bgqcb9IfkftJpEWCj7TPeg80KMnscc6oc3jRNht9LKcpXuGaQMdi8iFa+hztVLuEoFelwc FyCGzaU5seamURrqYxUemub4qlUYFhs= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5F9E6AD7C for ; Mon, 2 Nov 2020 12:17:23 +0000 (UTC) From: Juergen Gross To: stable@vger.kernel.org Subject: [PATCH 00/14] Backport of patch series for stable 4.19 branch Date: Mon, 2 Nov 2020 13:17:08 +0100 Message-Id: <20201102121722.10940-1-jgross@suse.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Juergen Gross (14): xen/events: don't use chip_data for legacy IRQs xen/events: avoid removing an event channel while handling it xen/events: add a proper barrier to 2-level uevent unmasking xen/events: fix race in evtchn_fifo_unmask() xen/events: add a new "late EOI" evtchn framework xen/blkback: use lateeoi irq binding xen/netback: use lateeoi irq binding xen/scsiback: use lateeoi irq binding xen/pvcallsback: use lateeoi irq binding xen/pciback: use lateeoi irq binding xen/events: switch user event channels to lateeoi model xen/events: use a common cpu hotplug hook for event channels xen/events: defer eoi in case of excessive number of events xen/events: block rogue events for some time .../admin-guide/kernel-parameters.txt | 8 + drivers/block/xen-blkback/blkback.c | 22 +- drivers/block/xen-blkback/xenbus.c | 5 +- drivers/net/xen-netback/common.h | 15 + drivers/net/xen-netback/interface.c | 61 ++- drivers/net/xen-netback/netback.c | 11 +- drivers/net/xen-netback/rx.c | 13 +- drivers/xen/events/events_2l.c | 9 +- drivers/xen/events/events_base.c | 451 ++++++++++++++++-- drivers/xen/events/events_fifo.c | 83 ++-- drivers/xen/events/events_internal.h | 20 +- drivers/xen/evtchn.c | 7 +- drivers/xen/pvcalls-back.c | 76 +-- drivers/xen/xen-pciback/pci_stub.c | 14 +- drivers/xen/xen-pciback/pciback.h | 12 +- drivers/xen/xen-pciback/pciback_ops.c | 48 +- drivers/xen/xen-pciback/xenbus.c | 2 +- drivers/xen/xen-scsiback.c | 23 +- include/xen/events.h | 29 +- 19 files changed, 731 insertions(+), 178 deletions(-)