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From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>
Subject: [Qemu-devel] [PATCH] qxl: lock current_async update in qxl_soft_reset
Date: Tue, 20 Oct 2015 09:58:32 +0200	[thread overview]
Message-ID: <1445327912-29944-1-git-send-email-kraxel@redhat.com> (raw)

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/qxl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 9c961da..20dc72e 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1156,7 +1156,9 @@ static void qxl_soft_reset(PCIQXLDevice *d)
     trace_qxl_soft_reset(d->id);
     qxl_check_state(d);
     qxl_clear_guest_bug(d);
+    qemu_mutex_lock(&d->async_lock);
     d->current_async = QXL_UNDEFINED_IO;
+    qemu_mutex_unlock(&d->async_lock);
 
     if (d->id == 0) {
         qxl_enter_vga_mode(d);
-- 
1.8.3.1

             reply	other threads:[~2015-10-20  7:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-20  7:58 Gerd Hoffmann [this message]
2015-10-20 12:13 ` [Qemu-devel] [PATCH] qxl: lock current_async update in qxl_soft_reset Paolo Bonzini

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