From: Marcelo Tosatti <mtosatti@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Gregory Haskins <ghaskins@novell.com>,
avi@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH 1/4] Move irq routing data structure to rcu locking
Date: Mon, 13 Jul 2009 13:45:07 -0300 [thread overview]
Message-ID: <20090713164507.GA7990@amt.cnet> (raw)
In-Reply-To: <20090713164438.GB8356@redhat.com>
On Mon, Jul 13, 2009 at 07:44:38PM +0300, Gleb Natapov wrote:
> > > I don't get it. The point for RCU is to get rid of reader's lock. If
> > > I'll have to take slot_lock on each EOI I achieved nothing.
> >
> > You already take slots_lock for read on every exit.
> >
> We should fix that, not add even more users. Shouldn't we?
Yes. Please send both patchsets as one when you resend then, its easier
to review.
next prev parent reply other threads:[~2009-07-13 16:45 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-12 12:03 [PATCH 0/4] moving irq routing and notifiers to RCU locking Gleb Natapov
2009-07-12 12:03 ` [PATCH 1/4] Move irq routing data structure to rcu locking Gleb Natapov
2009-07-13 12:55 ` Michael S. Tsirkin
2009-07-13 13:03 ` Gleb Natapov
2009-07-13 13:15 ` Michael S. Tsirkin
2009-07-13 13:23 ` Gleb Natapov
2009-07-13 13:36 ` Michael S. Tsirkin
2009-07-13 13:01 ` Gregory Haskins
2009-07-13 13:15 ` Gleb Natapov
2009-07-13 13:16 ` Gregory Haskins
2009-07-13 13:25 ` Gleb Natapov
2009-07-13 13:29 ` Gregory Haskins
2009-07-13 15:55 ` Marcelo Tosatti
2009-07-13 16:24 ` Gleb Natapov
2009-07-13 16:27 ` Marcelo Tosatti
2009-07-13 16:33 ` Gleb Natapov
2009-07-13 16:42 ` Marcelo Tosatti
2009-07-13 16:44 ` Gleb Natapov
2009-07-13 16:45 ` Marcelo Tosatti [this message]
2009-07-13 16:54 ` Gleb Natapov
2009-07-12 12:03 ` [PATCH 2/4] Unregister ack notifier callback on PIT freeing Gleb Natapov
2009-07-12 12:03 ` [PATCH 3/4] Move irq ack notifier list to arch independent code Gleb Natapov
2009-07-12 12:03 ` [PATCH 4/4] Convert irq notifiers lists to RCU locking Gleb Natapov
2009-07-13 12:56 ` Michael S. Tsirkin
2009-07-13 13:05 ` Gleb Natapov
2009-07-13 13:29 ` Michael S. Tsirkin
2009-07-13 13:48 ` Gregory Haskins
2009-07-13 13:02 ` Michael S. Tsirkin
2009-07-13 13:11 ` Gleb Natapov
2009-07-13 13:26 ` Gregory Haskins
2009-07-13 13:32 ` Gleb Natapov
2009-07-13 13:40 ` Gregory Haskins
2009-07-13 13:52 ` Gleb Natapov
2009-07-13 14:02 ` Gregory Haskins
2009-07-13 14:08 ` Gleb Natapov
2009-07-13 13:40 ` Michael S. Tsirkin
2009-07-13 13:44 ` Gregory Haskins
2009-07-13 19:31 ` Paul E. McKenney
2009-07-14 5:46 ` Gleb Natapov
2009-07-14 12:03 ` Paul E. McKenney
2009-07-14 12:06 ` Gleb Natapov
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