Re: [PATCH 0/5] ipc/msg: Sender/receiver optimizations

[Peter Zijlstra]

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@xxxxxxxxxxxxx>