[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] migration/rdma: unegister fd handler
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH] migration/rdma: unegister fd handler |
Date: |
Wed, 23 Jan 2019 18:31:35 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
* Philippe Mathieu-Daudé (address@hidden) wrote:
> On 1/23/19 12:44 PM, Dr. David Alan Gilbert wrote:
> > * Dr. David Alan Gilbert (git) (address@hidden) wrote:
> >> From: "Dr. David Alan Gilbert" <address@hidden>
> >>
> >> Unregister the fd handler before we destroy the channel,
> >> otherwise we've got a race where we might land in the
> >> fd handler just as we're closing the device.
> >>
> >> (The race is quite data dependent, you just have to have
> >> the right set of devices for it to trigger).
> >>
> >> Corresponds to RH bz: https://bugzilla.redhat.com/show_bug.cgi?id=1666601
> >>
> >> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> >
> > Queued
>
> Did you fixed the patch subject typo? "un(r)egister"
Yes; fortunately I spotted it during building the pull :-)
Dave
> >> ---
> >> migration/rdma.c | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/migration/rdma.c b/migration/rdma.c
> >> index 9b2e7e10aa..54a3c11540 100644
> >> --- a/migration/rdma.c
> >> +++ b/migration/rdma.c
> >> @@ -2321,6 +2321,7 @@ static void qemu_rdma_cleanup(RDMAContext *rdma)
> >> rdma->connected = false;
> >> }
> >>
> >> + qemu_set_fd_handler(rdma->channel->fd, NULL, NULL, NULL);
> >> g_free(rdma->dest_blocks);
> >> rdma->dest_blocks = NULL;
> >>
> >> --
> >> 2.20.1
> >>
> >>
> > --
> > Dr. David Alan Gilbert / address@hidden / Manchester, UK
> >
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK