From patchwork Mon May 18 08:37:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 282491 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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS 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 B95D5C433E0 for ; Mon, 18 May 2020 08:39:06 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 7F0AF20787 for ; Mon, 18 May 2020 08:39:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="B+8W3w69" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F0AF20787 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54374 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jabIf-0002YU-Lz for qemu-devel@archiver.kernel.org; Mon, 18 May 2020 04:39:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46486) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jabGy-0008Pj-30 for qemu-devel@nongnu.org; Mon, 18 May 2020 04:37:20 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:20554 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jabGw-0006XL-FR for qemu-devel@nongnu.org; Mon, 18 May 2020 04:37:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589791037; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=bX/6aKBZf/Ed0p1l0FtYmZcd4mDVb1nwjYKgPZ74j3c=; b=B+8W3w69if3/QSDGYJ7b8JVsd/GNVJNOMiVvoajFeMlEmrFPqZvDHZz6S5/D2zwTxpfBbE sB2Z+i0fBqMKjz6jyL+Zo/Z2csKP6zsqRCFiLGqUzUvnwhuZJ9euT2UcB+n0gXR0bkLxzA cJTFpuJd9erQ52yeICcaRcI5U2D97XU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-47-N5MmkPooNgi22bsnlkjXYg-1; Mon, 18 May 2020 04:37:15 -0400 X-MC-Unique: N5MmkPooNgi22bsnlkjXYg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 89BF01009636; Mon, 18 May 2020 08:37:14 +0000 (UTC) Received: from t480s.redhat.com (ovpn-113-224.ams2.redhat.com [10.36.113.224]) by smtp.corp.redhat.com (Postfix) with ESMTP id 93CC35C220; Mon, 18 May 2020 08:37:05 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v1 0/3] virtio-balloon: free page hinting fixes Date: Mon, 18 May 2020 10:37:01 +0200 Message-Id: <20200518083704.52646-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=david@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 00:53:04 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S. Tsirkin" , David Hildenbrand , Alexander Duyck , Alexander Bulekov , Wei Wang , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?b?w6k=?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Some fixes for VIRTIO_BALLOON_F_FREE_PAGE_HINT. First issue was reported by Alexander Bulekov [1], the other ones were discovered by me when digging into the details. [1] https://lkml.kernel.org/r/20200511044121.eihns2tdimdzgi4i@mozz.bu.edu David Hildenbrand (3): virtio-balloon: fix free page hinting without an iothread virtio-balloon: fix free page hinting check on unrealize virtio-balloon: unref the iothread when unrealizing hw/virtio/virtio-balloon.c | 38 ++++++++++++++++++++------------------ 1 file changed, 20 insertions(+), 18 deletions(-)