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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	hannes@cmpxchg.org, yosryahmed@google.com, nphamcs@gmail.com,
	chengming.zhou@linux.dev, usamaarif642@gmail.com,
	ryan.roberts@arm.com, ying.huang@intel.com, 21cnbao@gmail.com,
	akpm@linux-foundation.org, linux-crypto@vger.kernel.org,
	davem@davemloft.net, clabbe@baylibre.com, ardb@kernel.org,
	ebiggers@google.com, surenb@google.com,
	kristen.c.accardi@intel.com, zanussi@kernel.org,
	wajdi.k.feghali@intel.com, vinodh.gopal@intel.com
Subject: Re: [PATCH v2 01/13] crypto: acomp - Define two new interfaces for compress/decompress batching.
Date: Fri, 15 Nov 2024 19:32:51 +0800	[thread overview]
Message-ID: <ZzcxY8P8NdfwvxB_@gondor.apana.org.au> (raw)
In-Reply-To: <20241103032111.333282-2-kanchana.p.sridhar@intel.com>

On Sat, Nov 02, 2024 at 08:20:59PM -0700, Kanchana P Sridhar wrote:
> This commit adds batch_compress() and batch_decompress() interfaces to:
> 
>   struct acomp_alg
>   struct crypto_acomp
> 
> This allows the iaa_crypto Intel IAA driver to register implementation for
> batch_compress() and batch_decompress() API, that can subsequently be
> invoked from the kernel zswap/zram swap modules to compress/decompress
> up to CRYPTO_BATCH_SIZE (i.e. 8) pages in parallel in the IAA hardware
> accelerator to improve swapout/swapin performance.
> 
> Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
> ---
>  crypto/acompress.c                  |  2 +
>  include/crypto/acompress.h          | 82 +++++++++++++++++++++++++++++
>  include/crypto/internal/acompress.h | 16 ++++++
>  3 files changed, 100 insertions(+)

Please take a look at the request chaining patch that I created
for crypto_ahash.  It should be applicable to acomp as well.

https://lore.kernel.org/all/677614fbdc70b31df2e26483c8d2cd1510c8af91.1730021644.git.herbert@gondor.apana.org.au/

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


  reply	other threads:[~2024-11-15 11:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-03  3:20 [PATCH v2 00/13] zswap IAA compress batching Kanchana P Sridhar
2024-11-03  3:20 ` [PATCH v2 01/13] crypto: acomp - Define two new interfaces for compress/decompress batching Kanchana P Sridhar
2024-11-15 11:32   ` Herbert Xu [this message]
2024-11-15 21:16     ` Sridhar, Kanchana P
2024-11-03  3:21 ` [PATCH v2 02/13] crypto: iaa - Add an acomp_req flag CRYPTO_ACOMP_REQ_POLL to enable async mode Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 03/13] crypto: iaa - Implement compress/decompress batching API in iaa_crypto Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 04/13] crypto: iaa - Make async mode the default Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 05/13] crypto: iaa - Disable iaa_verify_compress by default Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 06/13] crypto: iaa - Change cpu-to-iaa mappings to evenly balance cores to IAAs Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 07/13] crypto: iaa - Distribute compress jobs to all IAA devices on a NUMA node Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 08/13] mm: zswap: acomp_ctx mutex lock/unlock optimizations Kanchana P Sridhar
2024-11-03 10:57   ` kernel test robot
2024-11-03  3:21 ` [PATCH v2 09/13] mm: zswap: Modify struct crypto_acomp_ctx to be configurable in nr of acomp_reqs Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 10/13] mm: zswap: Add a per-cpu "acomp_batch_ctx" to struct zswap_pool Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 11/13] mm: zswap: Allocate acomp_batch_ctx resources for a given zswap_pool Kanchana P Sridhar
2024-11-03  3:21 ` [PATCH v2 12/13] mm: Add sysctl vm.compress-batching switch for compress batching during swapout Kanchana P Sridhar
2024-11-03  9:03   ` kernel test robot
2024-11-03 10:25   ` kernel test robot
2024-11-03  3:21 ` [PATCH v2 13/13] mm: zswap: Compress batching with Intel IAA in zswap_store() of large folios Kanchana P Sridhar
2024-11-04  8:31   ` Dan Carpenter
2024-11-04 18:29     ` Sridhar, Kanchana P

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