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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 BC8C2C43387 for ; Fri, 4 Jan 2019 07:46:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F4B62070D for ; Fri, 4 Jan 2019 07:46:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726565AbfADHqz (ORCPT ); Fri, 4 Jan 2019 02:46:55 -0500 Received: from mga17.intel.com ([192.55.52.151]:41240 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726036AbfADHqz (ORCPT ); Fri, 4 Jan 2019 02:46:55 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jan 2019 23:46:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,437,1539673200"; d="scan'208";a="103850428" Received: from devel-ww.sh.intel.com ([10.239.48.119]) by orsmga007.jf.intel.com with ESMTP; 03 Jan 2019 23:46:52 -0800 From: Wei Wang To: virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, mst@redhat.com, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com Cc: pbonzini@redhat.com, dgilbert@redhat.com, wei.w.wang@intel.com Subject: [PATCH v2 0/2] virtio-balloon: tweak config_changed Date: Fri, 4 Jan 2019 15:11:51 +0800 Message-Id: <1546585913-34804-1-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since virtio-ccw doesn't work with accessing to the config space inside an interrupt context, this patch series avoids that issue by moving the config register accesses to the related workqueue contexts. v1->v2 ChangeLog: - add config_read_bitmap to indicate to the workqueue callbacks about the necessity of reading the related config fields. Wei Wang (2): virtio-balloon: tweak config_changed implementation virtio-balloon: improve update_balloon_size_func drivers/virtio/virtio_balloon.c | 86 +++++++++++++++++++++++++++-------------- 1 file changed, 57 insertions(+), 29 deletions(-) -- 2.7.4