From: Peter Zijlstra <peterz@infradead.org>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: akpm@linux-foundation.org, manfred@colorfullife.com,
bigeasy@linutronix.de, tglx@linutronix.de,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5] ipc/msg: Sender/receiver optimizations
Date: Tue, 9 Aug 2016 14:44:26 +0200 [thread overview]
Message-ID: <20160809124426.GE7141@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160804164409.GS6862@twins.programming.kicks-ass.net>
On Thu, Aug 04, 2016 at 06:44:09PM +0200, Peter Zijlstra wrote:
> On Thu, Jul 28, 2016 at 04:33:34PM -0700, Davidlohr Bueso wrote:
> > Hi,
> >
> > I'm resending Sebastian's sysv msg queue use of wake_qs but updated
> > to the last observations I need wrt the need of explicit barriers
> > after removing the whole receiver busy-looping. After some irc exchange
> > it seems we're both on the same page, and things now look like he had
> > them earlier, in v2. This is all patch 1.
> >
> > The rest of the patches are changes I noticed while reviewing patch 1,
> > which are mainly sender-side rework/optimizations. Details are in each
> > changelog.
> >
> > The changes have survived ltp (which has some nasty corner cases for msgsnd
> > changes), as well as pmsg-shared benchmark.
>
> Not really my area, but over all the patches look good.
>
> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Andrew, will you pick these up, or should I route then through
tip/locking or something?
next prev parent reply other threads:[~2016-08-09 12:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-28 23:33 [PATCH 0/5] ipc/msg: Sender/receiver optimizations Davidlohr Bueso
2016-07-28 23:33 ` [PATCH 1/5] ipc/msg: Implement lockless pipelined wakeups Davidlohr Bueso
2016-07-28 23:33 ` [PATCH 2/5] ipc/msg: Batch queue sender wakeups Davidlohr Bueso
2016-07-28 23:33 ` [PATCH 3/5] ipc/msg: Make ss_wakeup() kill arg boolean Davidlohr Bueso
2016-07-28 23:33 ` [PATCH 4/5] ipc/msg: Lockless security checks for msgsnd Davidlohr Bueso
2016-07-28 23:33 ` [PATCH 5/5] ipc/msg: Avoid waking sender upon full queue Davidlohr Bueso
2016-08-04 16:44 ` [PATCH 0/5] ipc/msg: Sender/receiver optimizations Peter Zijlstra
2016-08-09 12:44 ` Peter Zijlstra [this message]
2016-08-09 18:31 ` Andrew Morton
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