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Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket FD |
Date: |
Mon, 12 Mar 2018 13:14:45 +0000 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Mon, Mar 12, 2018 at 08:12:44AM -0500, Eric Blake wrote:
> On 03/12/2018 07:49 AM, Daniel P. Berrangé wrote:
> > An update of:
> >
> > v1: https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg04618.html
> > v2: https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg04706.html
> > v3: https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg04892.html
> > v4: https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg00950.html
> >
> > This enables fixing a long standing problem that libvirt has with
> > starting up QEMU. It has to busy-wait retrying connect() on the QMP
> > monitor socket until QEMU finally creates & listens on it, but at same
> > time must be careful to not wait forever if QEMU exits.
> >
> > With this patch series, libvirt can simply pass in a pre-opened UNIX domain
> > socket file descriptor, which it can immediately connect to with no
> > busy-wait.
> >
> > NB, this will generate one expected failure with patchew / checkpatch.pl
>
> >
> > Changed in v5:
> >
> > - Docs typo (Eric)
> > - Fix errno setting in int parsing code (Eric)
> >
>
> > Daniel P. Berrangé (9):
> > char: don't silently skip tn3270 protocol init when TLS is enabled
> > cutils: add qemu_strtoi & qemu_strtoui parsers for int/unsigned int
> > types
> > sockets: pull code for testing IP availability out of specific test
> > sockets: strengthen test suite IP protocol availability checks
> > sockets: move fd_is_socket() into common sockets code
> > sockets: check that the named file descriptor is a socket
> > sockets: allow SocketAddress 'fd' to reference numeric file
> > descriptors
> > char: refactor parsing of socket address information
> > char: allow passing pre-opened socket file descriptor at startup
>
> Whose tree should this go through? It's got some QAPI impact, so I'm okay
> including it in my QAPI pull request later today, if there is no better
> tree...
These days I usually send PR for stuff touching sockets code myself. So
unless someone else strongly prefers to take it via their tree for sake
of any easy of conflict / merge resolution, I can do a PR once acked.
Regards,
Daniel
--
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- [Qemu-devel] [PATCH v5 3/9] sockets: pull code for testing IP availability out of specific test, (continued)
- [Qemu-devel] [PATCH v5 1/9] char: don't silently skip tn3270 protocol init when TLS is enabled, Daniel P . Berrangé, 2018/03/12
- [Qemu-devel] [PATCH v5 7/9] sockets: allow SocketAddress 'fd' to reference numeric file descriptors, Daniel P . Berrangé, 2018/03/12
- [Qemu-devel] [PATCH v5 4/9] sockets: strengthen test suite IP protocol availability checks, Daniel P . Berrangé, 2018/03/12
- [Qemu-devel] [PATCH v5 2/9] cutils: add qemu_strtoi & qemu_strtoui parsers for int/unsigned int types, Daniel P . Berrangé, 2018/03/12
- [Qemu-devel] [PATCH v5 9/9] char: allow passing pre-opened socket file descriptor at startup, Daniel P . Berrangé, 2018/03/12
- Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket FD, Eric Blake, 2018/03/12
- Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket FD,
Daniel P . Berrangé <=
- Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket FD, Eric Blake, 2018/03/12
- Re: [Qemu-devel] [PATCH v5 0/9] Enable passing pre-opened chardev socket FD, no-reply, 2018/03/12