From nobody Mon Feb 9 10:29:04 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1493036651352575.6270334730193; Mon, 24 Apr 2017 05:24:11 -0700 (PDT) Received: from localhost ([::1]:43873 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d2d2H-0003Y7-Rl for importer@patchew.org; Mon, 24 Apr 2017 08:24:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42116) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d2cvj-0006ac-Rs for qemu-devel@nongnu.org; Mon, 24 Apr 2017 08:17:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d2cvf-0007OQ-Qt for qemu-devel@nongnu.org; Mon, 24 Apr 2017 08:17:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43014) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d2cvf-0007NG-K9 for qemu-devel@nongnu.org; Mon, 24 Apr 2017 08:17:19 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A6483B5695 for ; Mon, 24 Apr 2017 12:17:17 +0000 (UTC) Received: from nilsson.home.kraxel.org (ovpn-116-121.ams2.redhat.com [10.36.116.121]) by smtp.corp.redhat.com (Postfix) with ESMTP id 084BC13CAA6; Mon, 24 Apr 2017 12:17:15 +0000 (UTC) Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id 5934180D5B; Mon, 24 Apr 2017 14:17:10 +0200 (CEST) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com A6483B5695 Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=kraxel@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com A6483B5695 From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Mon, 24 Apr 2017 14:17:03 +0200 Message-Id: <20170424121708.31953-9-kraxel@redhat.com> In-Reply-To: <20170424121708.31953-1-kraxel@redhat.com> References: <20170424121708.31953-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 24 Apr 2017 12:17:17 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 08/13] framebuffer: make display updates thread safe X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Gerd Hoffmann Message-id: 20170421091632.30900-6-kraxel@redhat.com Signed-off-by: Gerd Hoffmann --- hw/display/framebuffer.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/hw/display/framebuffer.c b/hw/display/framebuffer.c index 25aa46c8c7..d7310d25f2 100644 --- a/hw/display/framebuffer.c +++ b/hw/display/framebuffer.c @@ -67,7 +67,7 @@ void framebuffer_update_display( int *first_row, /* Input and output. */ int *last_row /* Output only */) { - hwaddr src_len; + DirtyBitmapSnapshot *snap; uint8_t *dest; uint8_t *src; int first, last =3D 0; @@ -78,7 +78,6 @@ void framebuffer_update_display( =20 i =3D *first_row; *first_row =3D -1; - src_len =3D (hwaddr)src_width * rows; =20 mem =3D mem_section->mr; if (!mem) { @@ -102,9 +101,10 @@ void framebuffer_update_display( src +=3D i * src_width; dest +=3D i * dest_row_pitch; =20 + snap =3D memory_region_snapshot_and_clear_dirty(mem, addr, src_width *= rows, + DIRTY_MEMORY_VGA); for (; i < rows; i++) { - dirty =3D memory_region_get_dirty(mem, addr, src_width, - DIRTY_MEMORY_VGA); + dirty =3D memory_region_snapshot_get_dirty(mem, snap, addr, src_wi= dth); if (dirty || invalidate) { fn(opaque, dest, src, cols, dest_col_pitch); if (first =3D=3D -1) @@ -115,11 +115,10 @@ void framebuffer_update_display( src +=3D src_width; dest +=3D dest_row_pitch; } + g_free(snap); if (first < 0) { return; } - memory_region_reset_dirty(mem, mem_section->offset_within_region, src_= len, - DIRTY_MEMORY_VGA); *first_row =3D first; *last_row =3D last; } --=20 2.9.3