Re: [PATCHv7 3/3] vhost_net: a kernel-level virtio server

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Nov 08, 2009 at 02:39:59PM +1030, Rusty Russell wrote:
> On Sat, 7 Nov 2009 03:00:07 am Paul E. McKenney wrote:
> > On Fri, Nov 06, 2009 at 03:31:20PM +1030, Rusty Russell wrote:
> > > But it's still nasty to use half an API.  If it were a few places I would
> > > have open-coded it with a comment, or wrapped it.  As it is, I don't think
> > > that would be a win.
> > 
> > So would it help to have a rcu_read_lock_workqueue() and
> > rcu_read_unlock_workqueue() that checked nesting and whether they were
> > actually running in the context of a workqueue item?  Or did you have
> > something else in mind?  Or am I misjudging the level of sarcasm in
> > your reply?  ;-)
> 
> You read correctly.  If we get a second user, creating an API makes sense.

Makes sense to me as well.  Which does provide some time to come up with
a primitive designed to answer the question "Am I currently executing in
the context of a workqueue item?".  ;-)

							Thanx, Paul
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/virtualization

[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux