> -----Original Message----- > From: bigeasy@xxxxxxxxxxxxx [mailto:bigeasy@xxxxxxxxxxxxx] > Sent: Wednesday, July 25, 2018 12:33 PM > To: Vakul Garg <vakul.garg@xxxxxxx> > Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>; linux- > crypto@xxxxxxxxxxxxxxx; herbert@xxxxxxxxxxxxxxxxxxx; > will.deacon@xxxxxxx; dave.martin@xxxxxxx > Subject: Re: [PATCH 1/4] crypto/arm64: ghash - reduce performance impact > of NEON yield checks > > On 2018-07-25 06:57:42 [+0000], Vakul Garg wrote: > > I tested this patch. It helped but didn't regain the performance to previous > level. > > Are there more files remaining to be fixed? (In your original patch > > series for adding preemptability check, there were lot more files changed > than this series with 4 files). > > > > Instead of using hardcoded 32 block/16 block limit, should it be controlled > using Kconfig? > > I believe that on different cores, these values could be required to be > different. > > What about PREEMPT_NONE (server)? Why not have best of both the worlds :) > > Sebastian
