On Mon, Jul 19, 2010 at 02:27:46PM +0200, Milan Broz wrote: > On 06/01/2010 09:52 AM, Andi Kleen wrote: > > DM-CRYPT: Scale to multiple CPUs v2 > > > > Updated version with the per CPU access improvements Eric suggested. > Hi, > > seems that this approach is probably the best one we can use now... > (I would better see threads in crypto layer but that's taken of > the programme for today, seems.) > > I did some tests and it works for me, even tries some strange stacked > mapping etc. > Do you have some exact numbers for particular tests btw? I had some, but can't find them right now, sorry. The original motivation was one benchmark on encrypted fs which gave terrible results. But unfortunately I didn't get updated numbers with the patch for that one. The patch also seems to already have a small user base, at least I got a few requests for it. > > Anyway, I have just one comment - please can we make the per-cpu attribute > for IV generic? IOW not add explicit ie (ESSIV) but void * iv_private > - see attached patch. Fine for me. > > (I'll try discuss this with Alasdair to review for next merge > window, I think you requested that already in some private mail...) Yes. Thanks. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
