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From: Herbert Xu <herbert@gondor.apana.org.au>
To: "Sridhar, Kanchana P" <kanchana.p.sridhar@intel.com>
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Subject: Re: [RFC PATCH v1 01/13] crypto: acomp - Add a poll() operation to acomp_alg and acomp_req
Date: Sat, 19 Oct 2024 08:19:53 +0800	[thread overview]
Message-ID: <ZxL7KUGUroiOYssf@gondor.apana.org.au> (raw)
In-Reply-To: <SJ0PR11MB5678CE94DDBDEC00EA693293C9402@SJ0PR11MB5678.namprd11.prod.outlook.com>

On Fri, Oct 18, 2024 at 11:01:10PM +0000, Sridhar, Kanchana P wrote:
>
> Thanks for your code review comments. Are you referring to how the
> async/poll interface is enabled at the level of say zswap (by setting a
> flag in the acomp_req), followed by the iaa_crypto driver testing for
> the flag and submitting the request and returning -EINPROGRESS.
> Wouldn't we still need a separate API to do the polling?

Correct me if I'm wrong, but I think what you want to do is this:

	crypto_acomp_compress(req)
	crypto_acomp_poll(req)

So instead of adding this interface, where the poll essentially
turns the request synchronous, just move this logic into the driver,
based on a flag bit in req.

Cheers,
-- 
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:[~2024-10-19  0:20 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-18  6:40 [RFC PATCH v1 00/13] zswap IAA compress batching Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 01/13] crypto: acomp - Add a poll() operation to acomp_alg and acomp_req Kanchana P Sridhar
2024-10-18  7:55   ` Herbert Xu
2024-10-18 23:01     ` Sridhar, Kanchana P
2024-10-19  0:19       ` Herbert Xu [this message]
2024-10-19 19:10         ` Sridhar, Kanchana P
2024-10-18  6:40 ` [RFC PATCH v1 02/13] crypto: iaa - Add support for irq-less crypto async interface Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 03/13] crypto: testmgr - Add crypto testmgr acomp poll support Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 04/13] mm: zswap: zswap_compress()/decompress() can submit, then poll an acomp_req Kanchana P Sridhar
2024-10-23  0:48   ` Yosry Ahmed
2024-10-23  2:01     ` Sridhar, Kanchana P
2024-10-18  6:40 ` [RFC PATCH v1 05/13] crypto: iaa - Make async mode the default Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 06/13] crypto: iaa - Disable iaa_verify_compress by default Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 07/13] crypto: iaa - Change cpu-to-iaa mappings to evenly balance cores to IAAs Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 08/13] crypto: iaa - Distribute compress jobs to all IAA devices on a NUMA node Kanchana P Sridhar
2024-10-18  6:40 ` [RFC PATCH v1 09/13] mm: zswap: Config variable to enable compress batching in zswap_store() Kanchana P Sridhar
2024-10-23  0:49   ` Yosry Ahmed
2024-10-23  2:17     ` Sridhar, Kanchana P
2024-10-23  2:58       ` Herbert Xu
2024-10-23  3:06         ` Sridhar, Kanchana P
2024-10-23 18:12       ` Yosry Ahmed
2024-10-23 20:32         ` Sridhar, Kanchana P
2024-10-18  6:40 ` [RFC PATCH v1 10/13] mm: zswap: Create multiple reqs/buffers in crypto_acomp_ctx if platform has IAA Kanchana P Sridhar
2024-10-23  0:51   ` Yosry Ahmed
2024-10-23  2:19     ` Sridhar, Kanchana P
2024-10-18  6:40 ` [RFC PATCH v1 11/13] mm: swap: Add IAA batch compression API swap_crypto_acomp_compress_batch() Kanchana P Sridhar
2024-10-23  0:53   ` Yosry Ahmed
2024-10-23  2:21     ` Sridhar, Kanchana P
2024-10-18  6:41 ` [RFC PATCH v1 12/13] mm: zswap: Compress batching with Intel IAA in zswap_store() of large folios Kanchana P Sridhar
2024-10-18  6:41 ` [RFC PATCH v1 13/13] mm: vmscan, swap, zswap: Compress batching of folios in shrink_folio_list() Kanchana P Sridhar
2024-10-28 14:41   ` Joel Granados
2024-10-28 18:53     ` Sridhar, Kanchana P
2024-10-23  0:56 ` [RFC PATCH v1 00/13] zswap IAA compress batching Yosry Ahmed
2024-10-23  2:53   ` Sridhar, Kanchana P
2024-10-23 18:15     ` Yosry Ahmed
2024-10-23 20:34       ` Sridhar, Kanchana P

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