From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
peterz@infradead.org, mhillenb@amazon.de,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v2] kvm/x86: Inform RCU of quiescent state when entering guest mode
Date: Wed, 11 Jul 2018 14:09:10 -0700 [thread overview]
Message-ID: <20180711210910.GE3593@linux.vnet.ibm.com> (raw)
In-Reply-To: <1531342492.8759.90.camel@infradead.org>
On Wed, Jul 11, 2018 at 09:54:52PM +0100, David Woodhouse wrote:
> On Wed, 2018-07-11 at 13:27 -0700, Paul E. McKenney wrote:
> >
> > Something like this, on top of the earlier patch? I am not at all
> > confident of this patch because there might be other entry/exit
> > paths I am missing. Plus there might be RCU uses on the arch-
> > specific patch to and from the guest OS.
>
> That was going to be my starting point, yes. With some additional
> manual review and testing to cover the "not at all confident" part. :)
Please feel free to change as needed, up to and including throwing
my patch away and starting over. ;-)
Thanx, Paul
next prev parent reply other threads:[~2018-07-11 21:09 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180709163432.GV3593@linux.vnet.ibm.com>
[not found] ` <1531162254.26547.3.camel@infradead.org>
[not found] ` <20180709203441.GE3593@linux.vnet.ibm.com>
[not found] ` <1531168538.26547.5.camel@infradead.org>
[not found] ` <20180709204248.GF3593@linux.vnet.ibm.com>
[not found] ` <1531169145.26547.8.camel@infradead.org>
[not found] ` <20180709210532.GH3593@linux.vnet.ibm.com>
[not found] ` <20180709220823.GA18045@linux.vnet.ibm.com>
[not found] ` <1531319025.8759.57.camel@infradead.org>
[not found] ` <20180711144303.GQ3593@linux.vnet.ibm.com>
[not found] ` <20180711164952.GA29994@linux.vnet.ibm.com>
2018-07-11 17:03 ` [RFC] Make need_resched() return true when rcu_urgent_qs requested David Woodhouse
2018-07-11 17:48 ` Paul E. McKenney
2018-07-11 18:01 ` [PATCH v2] kvm/x86: Inform RCU of quiescent state when entering guest mode David Woodhouse
2018-07-11 18:20 ` Paul E. McKenney
2018-07-11 18:36 ` Paul E. McKenney
2018-07-11 18:39 ` Christian Borntraeger
2018-07-11 20:27 ` Paul E. McKenney
2018-07-11 20:54 ` David Woodhouse
2018-07-11 21:09 ` Paul E. McKenney [this message]
2018-07-11 21:11 ` Christian Borntraeger
2018-07-11 21:32 ` Paul E. McKenney
2018-07-11 21:39 ` Christian Borntraeger
2018-07-11 23:47 ` Paul E. McKenney
2018-07-12 8:31 ` David Woodhouse
2018-07-12 11:00 ` Christian Borntraeger
2018-07-12 11:10 ` David Woodhouse
2018-07-12 11:58 ` Christian Borntraeger
2018-07-12 12:04 ` Christian Borntraeger
2018-07-11 23:37 ` Paul E. McKenney
2018-07-12 2:15 ` Paul E. McKenney
2018-07-12 6:21 ` Christian Borntraeger
2018-07-12 9:52 ` David Woodhouse
2018-07-11 18:31 ` [RFC] Make need_resched() return true when rcu_urgent_qs requested Christian Borntraeger
2018-07-11 20:17 ` Paul E. McKenney
2018-07-11 20:19 ` David Woodhouse
2018-07-11 21:08 ` Paul E. McKenney
2018-07-12 12:00 ` David Woodhouse
2018-07-12 12:53 ` Paul E. McKenney
2018-07-12 16:17 ` Paul E. McKenney
2018-07-16 15:40 ` Paul E. McKenney
2018-07-17 8:19 ` David Woodhouse
2018-07-17 12:56 ` Paul E. McKenney
2018-07-18 15:36 ` Paul E. McKenney
2018-07-18 16:01 ` David Woodhouse
2018-07-18 16:37 ` Paul E. McKenney
2018-07-18 19:41 ` David Woodhouse
2018-07-18 20:17 ` Paul E. McKenney
2018-07-19 0:26 ` Frederic Weisbecker
2018-07-19 6:45 ` Christian Borntraeger
2018-07-19 7:20 ` David Woodhouse
2018-07-19 10:23 ` Christian Borntraeger
2018-07-19 12:55 ` Paul E. McKenney
2018-07-19 13:14 ` Frederic Weisbecker
2018-07-19 13:36 ` David Woodhouse
2018-07-19 17:09 ` Paul E. McKenney
2018-07-23 8:08 ` David Woodhouse
2018-07-23 12:22 ` Paul E. McKenney
2018-07-19 0:32 ` Frederic Weisbecker
2018-07-19 3:11 ` Paul E. McKenney
2018-07-19 6:16 ` David Woodhouse
2018-07-19 13:17 ` Frederic Weisbecker
2018-07-19 13:15 ` Frederic Weisbecker
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