From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org, quintela@redhat.com, peterx@redhat.com,
famz@redhat.com, peter.maydell@linaro.org, cohuck@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2 1/6] migration: pre_save return int
Date: Mon, 25 Sep 2017 14:25:15 +0100 [thread overview]
Message-ID: <20170925132514.GF2656@work-vm> (raw)
In-Reply-To: <d831a4f1-2598-66c2-6e84-a9ab93cf3bff@twiddle.net>
* Richard Henderson (rth@twiddle.net) wrote:
> On 09/25/2017 06:29 AM, Dr. David Alan Gilbert (git) wrote:
> > Modify the pre_save method on VMStateDescription to return an int
> > rather than void so that it potentially can fail.
>
> What does the int value signify?
0 is success, anything else is a failure; typically -errno.
> Why not a bool?
Consistency with pre_load, post_load, put and get methods
that are already int.
Dave
>
> r~
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2017-09-25 13:25 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-25 11:29 [Qemu-devel] [PATCH v2 0/6] migration: let pre_save fail Dr. David Alan Gilbert (git)
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 1/6] migration: pre_save return int Dr. David Alan Gilbert (git)
2017-09-25 13:19 ` Richard Henderson
2017-09-25 13:25 ` Dr. David Alan Gilbert [this message]
2017-09-25 13:29 ` Richard Henderson
2017-09-26 2:31 ` Peter Xu
2017-09-26 13:27 ` Cornelia Huck
2017-09-27 8:57 ` Juan Quintela
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 2/6] migration: check pre_save return in vmstate_save_state Dr. David Alan Gilbert (git)
2017-09-26 2:36 ` Peter Xu
2017-09-26 13:29 ` Cornelia Huck
2017-09-27 8:58 ` Juan Quintela
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 3/6] migration: Check field save returns Dr. David Alan Gilbert (git)
2017-09-26 2:42 ` Peter Xu
2017-09-26 13:32 ` Cornelia Huck
2017-09-27 8:59 ` Juan Quintela
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 4/6] migration: wire vmstate_save_state errors up to vmstate_subsection_save Dr. David Alan Gilbert (git)
2017-09-26 2:45 ` Peter Xu
2017-09-26 9:55 ` Dr. David Alan Gilbert
2017-09-26 13:35 ` Cornelia Huck
2017-09-27 9:00 ` Juan Quintela
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 5/6] migration: Route errors up through vmstate_save Dr. David Alan Gilbert (git)
2017-09-26 2:56 ` Peter Xu
2017-09-26 13:36 ` Cornelia Huck
2017-09-27 9:00 ` Juan Quintela
2017-09-25 11:29 ` [Qemu-devel] [PATCH v2 6/6] migration: Route more error paths Dr. David Alan Gilbert (git)
2017-09-26 3:06 ` Peter Xu
2017-09-26 10:03 ` Dr. David Alan Gilbert
2017-09-26 13:39 ` Cornelia Huck
2017-09-27 9:07 ` Juan Quintela
2017-09-27 10:51 ` [Qemu-devel] [PATCH v2 0/6] migration: let pre_save fail Dr. David Alan Gilbert
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