linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
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, yosry.ahmed@linux.dev, nphamcs@gmail.com,
	chengming.zhou@linux.dev, usamaarif642@gmail.com,
	ryan.roberts@arm.com, 21cnbao@gmail.com,
	ying.huang@linux.alibaba.com, akpm@linux-foundation.org,
	senozhatsky@chromium.org, sj@kernel.org, kasong@tencent.com,
	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,
	vinicius.gomes@intel.com, giovanni.cabiddu@intel.com,
	wajdi.k.feghali@intel.com
Subject: Re: [PATCH v14 18/26] crypto: acomp, iaa - crypto_acomp integration of IAA Batching.
Date: Thu, 5 Feb 2026 12:14:17 +0800	[thread overview]
Message-ID: <aYQZGXue0F-S_Zqh@gondor.apana.org.au> (raw)
In-Reply-To: <20260125033537.334628-19-kanchana.p.sridhar@intel.com>

On Sat, Jan 24, 2026 at 07:35:29PM -0800, Kanchana P Sridhar wrote:
>
> @@ -291,6 +292,65 @@ static __always_inline int acomp_do_req_chain(struct acomp_req *req, bool comp)
>  	return acomp_reqchain_finish(req, err);
>  }
>  
> +static int acomp_do_req_batch_parallel(struct acomp_req *req, bool comp)
> +{
> +	struct crypto_acomp *tfm = crypto_acomp_reqtfm(req);
> +	unsigned long *bpwq_addr = acomp_request_ctx(req);
> +	wait_queue_head_t batch_parallel_wq;
> +	int ret;
> +
> +	init_waitqueue_head(&batch_parallel_wq);
> +	*bpwq_addr = (unsigned long)&batch_parallel_wq;
> +
> +	ret = comp ? tfm->compress(req) : tfm->decompress(req);
> +
> +	wait_event(batch_parallel_wq, tfm->batch_completed(req, comp));
> +
> +	if (req->slen < 0)
> +		ret |= -EINVAL;
> +
> +	return ret;
> +}

I don't think we should have this in acomp.  Just return EINPROGRESS
and let the user check each unit for the success/error.

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:[~2026-02-05  4:14 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-25  3:35 [PATCH v14 00/26] zswap compression batching with optimized iaa_crypto driver Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 01/26] crypto: iaa - Reorganize the iaa_crypto driver code Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 02/26] crypto: iaa - Replace sprintf with sysfs_emit in sysfs show functions Kanchana P Sridhar
2026-02-06 10:47   ` Herbert Xu
2026-01-25  3:35 ` [PATCH v14 03/26] crypto: iaa - New architecture for IAA device WQ [de]comp usage & core mapping Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 04/26] crypto: iaa - Simplify, consistency of function parameters, minor stats bug fix Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 05/26] crypto: iaa - Descriptor allocation timeouts with mitigations Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 06/26] crypto: iaa - iaa_wq uses percpu_refs for get/put reference counting Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 07/26] crypto: iaa - Simplify the code flow in iaa_compress() and iaa_decompress() Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 08/26] crypto: iaa - Refactor hardware descriptor setup into separate procedures Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 09/26] crypto: iaa - Simplified, efficient job submissions for non-irq mode Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 10/26] crypto: iaa - Deprecate exporting add/remove IAA compression modes Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 11/26] crypto: iaa - Expect a single scatterlist for a [de]compress request's src/dst Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 12/26] crypto: iaa - Rearchitect iaa_crypto to have clean interfaces with crypto_acomp Kanchana P Sridhar
2026-02-06 10:49   ` Herbert Xu
2026-01-25  3:35 ` [PATCH v14 13/26] crypto: acomp - Define a unit_size in struct acomp_req to enable batching Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 14/26] crypto: acomp - Add bit to indicate segmentation support Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 15/26] crypto: acomp - Add trivial segmentation wrapper Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 16/26] crypto: iaa - IAA Batching for parallel compressions/decompressions Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 17/26] crypto: iaa - Submit the two largest source buffers first in batch decompress Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 18/26] crypto: acomp, iaa - crypto_acomp integration of IAA Batching Kanchana P Sridhar
2026-02-05  4:14   ` Herbert Xu [this message]
2026-01-25  3:35 ` [PATCH v14 19/26] crypto: iaa - Enable async mode and make it the default Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 20/26] crypto: iaa - Disable iaa_verify_compress by default Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 21/26] crypto: iaa - Add deflate-iaa-dynamic compression mode Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 22/26] crypto: acomp - Add crypto_acomp_batch_size() to get an algorithm's batch-size Kanchana P Sridhar
2026-01-25  3:35 ` [PATCH v14 23/26] mm: zswap: Tie per-CPU acomp_ctx lifetime to the pool Kanchana P Sridhar
2026-02-04 16:29   ` Yosry Ahmed
2026-01-25  3:35 ` [PATCH v14 24/26] mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources Kanchana P Sridhar
2026-01-30 23:53   ` Nhat Pham
2026-01-31  1:15     ` Sridhar, Kanchana P
2026-01-25  3:35 ` [PATCH v14 25/26] mm: zswap: Store large folios in batches Kanchana P Sridhar
2026-01-31  0:33   ` Nhat Pham
2026-01-31 20:22     ` Sridhar, Kanchana P
2026-02-04 16:57   ` Yosry Ahmed
2026-01-25  3:35 ` [PATCH v14 26/26] mm: zswap: Batched zswap_compress() for compress batching of large folios Kanchana P Sridhar
2026-01-31  1:12   ` Nhat Pham
2026-01-31 20:31     ` Sridhar, Kanchana P
2026-02-01  0:48       ` Nhat Pham
2026-02-01  2:53         ` Sridhar, Kanchana P
2026-02-04  0:30   ` Nhat Pham
2026-02-04 18:10     ` Yosry Ahmed
2026-02-04 18:17   ` Yosry Ahmed
2026-02-04 18:17   ` Yosry Ahmed
2026-02-04 18:21 ` [PATCH v14 00/26] zswap compression batching with optimized iaa_crypto driver Yosry Ahmed
2026-02-04 18:39   ` Andrew Morton
2026-02-04 18:49     ` Yosry Ahmed
2026-02-05  4:16       ` Herbert Xu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aYQZGXue0F-S_Zqh@gondor.apana.org.au \
    --to=herbert@gondor.apana.org.au \
    --cc=21cnbao@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=ardb@kernel.org \
    --cc=chengming.zhou@linux.dev \
    --cc=clabbe@baylibre.com \
    --cc=davem@davemloft.net \
    --cc=ebiggers@google.com \
    --cc=giovanni.cabiddu@intel.com \
    --cc=hannes@cmpxchg.org \
    --cc=kanchana.p.sridhar@intel.com \
    --cc=kasong@tencent.com \
    --cc=kristen.c.accardi@intel.com \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=nphamcs@gmail.com \
    --cc=ryan.roberts@arm.com \
    --cc=senozhatsky@chromium.org \
    --cc=sj@kernel.org \
    --cc=surenb@google.com \
    --cc=usamaarif642@gmail.com \
    --cc=vinicius.gomes@intel.com \
    --cc=wajdi.k.feghali@intel.com \
    --cc=ying.huang@linux.alibaba.com \
    --cc=yosry.ahmed@linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox