Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver
From: Mahipal Reddy
Date: Thu Mar 09 2017 - 13:25:58 EST
On Thu, Mar 9, 2017 at 4:16 PM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Feb 15, 2017 at 10:45:07AM +0530, Mahipal Challa wrote:
>> Hi Herbert,
>> This series adds support for hardware accelerated compression & decompression
>> as found on ThunderX (arm64) SOCs.
>> As per your suggestion, we've switched to the new crypto acomp/scomp interface.
>> To test the ZIP driver, we modified the kernel's ZSWAP to use acomp API's.
>> Performance numbers from ZSWAP look promising.
>> The "average time" for compressing a 4KB page:
>> Compression Software : 278 usec
>> Compression HW deflate : 17 usec
>> Compression HW LZS : 11 usec
>> Decompression Software : 20 usec
>> Decompression HW deflate: 8 usec
>> Decompression HW LZS : 6 usec
>> Addressed the review comments from the RFC v1.
>> - Added acomp/scomp crypto interface support.
>> - Improved the error handling.
>> - ZIP command completion codes are renamed suitably.
>> - Removed some un-used code.
>> - raw_smp_processor_id() replaced with smp_processor_id().
>> - Some more miscellaneous changes.
>> Patches are on top of "kernel/git/herbert/crypto-2.6.git" repository
>> Please provide your feedback.
> All applied. Thanks.
> Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Thank you Herbert.