Subject: Re: [RFC PATCH 5/5] crypto: make struct aead percpu data

From: Steffen Klassert <[email-masked]>
Date: Mon, 1 Dec 2008 14:36:54 +0100

On Mon, Dec 01, 2008 at 07:40:00PM +0800, Herbert Xu wrote:
> On Mon, Dec 01, 2008 at 08:20:43AM +0100, Steffen Klassert wrote:
> > From: Steffen Klassert <[email-masked]>
> > 
> > The struct aead is now allocated as percpu data to get
> > rid of a very high contended lock in crypto_authenc_hash()
> > if IPsec runs in parallel.
> > 
> > Signed-off-by: Steffen Klassert <[email-masked]>
> 
> Well you're in luck :) One of the objectives of the shash work
> is to get rid of this lock.  So instead of doing this, please
> push the shash work along and we can eliminate this without
> allocating loads of duplicate tfm's.
> 

I searched for your shash work. Is there already some work in progress
aside from crc32?