Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver

[Mahipal Reddy]

On Thu, Mar 9, 2017 at 4:16 PM, Herbert Xu  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 
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

Thank you Herbert.

Regards,
-Mahipal

Re: [RFC PATCH v2 0/3] Cavium ThunderX ZIP driver

[Herbert Xu]

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 
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt