Re: [PATCH] crypto: scompress - eliminate percpu scratch buffers

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On Fri, Jul 21, 2017 at 02:42:20PM +0100, Ard Biesheuvel wrote:
> 
> >> - Would you mind a patch that makes the code only use the per-CPU
> >> buffers if we are running atomically to begin with?
> >
> > That would mean dropping the first packet so no.
> >
> 
> I think you misunderstood me: the idea is not to allocate the per-CPU
> buffers at that time, but avoiding them and use the heap directly (as
> my patch does now). This way, we don't unnecessarily disable
> preemption for calls executing in process context.

When we actually have a user other than IPcomp then we could
try this optimisation.  Otherwise I think it'd be a waste of
time.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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