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From: Paolo Bonzini <pbonzini@redhat.com>
To: Cam Macdonell <cam@cs.ualberta.ca>
Cc: Avi Kivity <avi@redhat.com>,
	"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] ivshmem assertion failure with EventNotifier
Date: Wed, 22 Aug 2012 14:01:33 +0200	[thread overview]
Message-ID: <5034CA1D.80101@redhat.com> (raw)
In-Reply-To: <CAKjmthLA0fUJ29ov4EqVHbC+fuYtOzxgWX5r+s_G-sJGpWYGGg@mail.gmail.com>

Il 22/08/2012 06:29, Cam Macdonell ha scritto:
> Hi Paolo,
> 
> I've noticed an assertion error when sending interrupts via ivshmem.
> I bisected to this patch.

Does this help?

diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index b4d65a6..47f2a16 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -366,6 +366,10 @@ static void close_guest_eventfds(IVShmemState *s,
int posn)
 {
     int i, guest_curr_max;

+    if (!ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) {
+        return;
+    }
+
     guest_curr_max = s->peers[posn].nb_eventfds;

     memory_region_transaction_begin();

Paolo

  parent reply	other threads:[~2012-08-22 12:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-22  4:29 [Qemu-devel] ivshmem assertion failure with EventNotifier Cam Macdonell
2012-08-22  8:05 ` Jan Kiszka
2012-08-22 12:01 ` Paolo Bonzini [this message]
2012-08-22 17:00   ` Cam Macdonell

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