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Re: [Qemu-devel] [PATCH v2] socket: allow wait=false for client socket
From: |
Marc-André Lureau |
Subject: |
Re: [Qemu-devel] [PATCH v2] socket: allow wait=false for client socket |
Date: |
Mon, 15 Apr 2019 18:16:33 +0200 |
On Mon, Apr 15, 2019 at 6:08 PM Daniel P. Berrangé <address@hidden> wrote:
>
> On Mon, Apr 15, 2019 at 06:06:09PM +0200, Marc-André Lureau wrote:
> > Commit 767abe7 ("chardev: forbid 'wait' option with client sockets")
> > is a bit too strict. Current libvirt always set wait=false, and will
> > thus fail to add client chardev.
> >
> > Make the code more permissive, allowing wait=false with client socket
> > chardevs.
> >
> > Fixes: 767abe7f49e8be14d29da5db3527817b5d696a52
> > Cc: Daniel P. Berrangé <address@hidden>
> > Signed-off-by: Marc-André Lureau <address@hidden>
> > ---
> > chardev/char-socket.c | 10 +++++++---
> > 1 file changed, 7 insertions(+), 3 deletions(-)
> >
> > diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> > index 3916505d67..ebc1adb83e 100644
> > --- a/chardev/char-socket.c
> > +++ b/chardev/char-socket.c
> > @@ -1263,9 +1263,13 @@ static bool
> > qmp_chardev_validate_socket(ChardevSocket *sock,
> > return false;
> > }
> > if (sock->has_wait) {
> > - error_setg(errp, "%s",
> > - "'wait' option is incompatible with "
> > - "socket in client connect mode");
> > + warn_report("'wait' option is deprecated with "
> > + "socket in client connect mode");
> > + if (sock->wait) {
> > + error_setg(errp, "%s",
> > + "'wait' option is incompatible with "
> > + "socket in client connect mode");
> > + }
> > return false;
> > }
> > }
>
> NB, it should also update qemu-deprecated.texi
Is that clear enough?
diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
index 2219386769..0f53d1c228 100644
--- a/qemu-deprecated.texi
+++ b/qemu-deprecated.texi
@@ -105,6 +105,12 @@ details.
The ``query-events'' command has been superseded by the more powerful
and accurate ``query-qmp-schema'' command.
address@hidden chardev client socket with 'wait' option (since 4.0)
+
+The ``chardev-add'' and ``chardev-change'' should not be used to
+create client sockets with a ``wait'' field, which is reserved for
+server sockets only.
+
@section Human Monitor Protocol (HMP) commands
@subsection The hub_id parameter of 'hostfwd_add' / 'hostfwd_remove'
(since 3.1)
--
Marc-André Lureau