From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: pbonzini@redhat.com, qemu-devel@nongnu.org, quintela@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/3] Automatic RCU read unlock
Date: Wed, 11 Sep 2019 18:13:15 +0100 [thread overview]
Message-ID: <20190911171315.GJ2894@work-vm> (raw)
In-Reply-To: <20190911165820.GH24295@redhat.com>
* Daniel P. Berrangé (berrange@redhat.com) wrote:
> On Wed, Sep 11, 2019 at 05:41:59PM +0100, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> >
> > This patch uses glib's g_auto mechanism to automatically free
> > rcu_read_lock's at the end of the block. Given that humans
> > have a habit of forgetting an error path somewhere it's
> > best to leave it to the compiler.
> >
> > In particular:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1746787
> > suggests we've forgotten an unlock case somewhere in the
> > rdma migration code.
>
> Probably worth mentioning this in the commit message of the 3rd patch
> so someone reading history sees that the patch wasn't just a no-op
> conversion, but instead actively fixing a bug.
Added.
Dave
> Regards,
> Daniel
> --
> |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
> |: https://libvirt.org -o- https://fstop138.berrange.com :|
> |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2019-09-11 17:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 16:41 [Qemu-devel] [PATCH 0/3] Automatic RCU read unlock Dr. David Alan Gilbert (git)
2019-09-11 16:42 ` [Qemu-devel] [PATCH 1/3] rcu: Add automatically released rcu_read_lock variant Dr. David Alan Gilbert (git)
2019-09-11 16:56 ` Daniel P. Berrangé
2019-09-11 17:04 ` Dr. David Alan Gilbert
2019-09-11 17:09 ` Daniel P. Berrangé
2019-09-11 17:10 ` Dr. David Alan Gilbert
2019-09-11 17:16 ` Daniel P. Berrangé
2019-09-11 17:18 ` Dr. David Alan Gilbert
2019-09-11 17:56 ` Eric Blake
2019-09-11 18:49 ` Dr. David Alan Gilbert
2019-09-11 17:40 ` Eric Blake
2019-09-11 17:49 ` Eric Blake
2019-09-11 18:27 ` Dr. David Alan Gilbert
2019-09-11 18:52 ` Dr. David Alan Gilbert
2019-09-11 16:42 ` [Qemu-devel] [PATCH 2/3] migration: Use automatic rcu_read unlock in ram.c Dr. David Alan Gilbert (git)
2019-09-11 16:59 ` Daniel P. Berrangé
2019-09-11 17:25 ` Dr. David Alan Gilbert
2019-09-11 16:42 ` [Qemu-devel] [PATCH 3/3] migration: Use automatic rcu_read unlock in rdma.c Dr. David Alan Gilbert (git)
2019-09-11 16:58 ` [Qemu-devel] [PATCH 0/3] Automatic RCU read unlock Daniel P. Berrangé
2019-09-11 17:13 ` Dr. David Alan Gilbert [this message]
2019-09-11 20:30 ` no-reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190911171315.GJ2894@work-vm \
--to=dgilbert@redhat.com \
--cc=berrange@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=quintela@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).