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From: Herbert Xu <herbert@gondor.apana.org.au>
To: "Sridhar, Kanchana P" <kanchana.p.sridhar@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"hannes@cmpxchg.org" <hannes@cmpxchg.org>,
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	"senozhatsky@chromium.org" <senozhatsky@chromium.org>,
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	"davem@davemloft.net" <davem@davemloft.net>,
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	"surenb@google.com" <surenb@google.com>,
	"Accardi, Kristen C" <kristen.c.accardi@intel.com>,
	"Gomes, Vinicius" <vinicius.gomes@intel.com>,
	"Feghali, Wajdi K" <wajdi.k.feghali@intel.com>,
	"Gopal, Vinodh" <vinodh.gopal@intel.com>
Subject: Re: [PATCH v9 10/19] crypto: acomp - New interfaces to facilitate batching support in acomp & drivers.
Date: Sat, 17 May 2025 08:46:06 +0800	[thread overview]
Message-ID: <aCfcTpLgFp4lPaZK@gondor.apana.org.au> (raw)
In-Reply-To: <PH7PR11MB81215CF69F51F2801F4767CDC993A@PH7PR11MB8121.namprd11.prod.outlook.com>

On Fri, May 16, 2025 at 07:17:36PM +0000, Sridhar, Kanchana P wrote:
>
> It appears acomp_do_req_chain() and acomp_reqchain_finish() compress the

That's the fallback path.

A hardware driver capable of batching is supposed to declare the
bit in cra_flags that bypasses the fallback.

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:[~2025-05-17  0:46 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-08 19:41 [RESEND PATCH v9 00/19] zswap compression batching Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 01/19] crypto: acomp - Remove request chaining Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 02/19] crypto: acomp - Reinstate non-chained crypto_acomp_[de]compress() Kanchana P Sridhar
2025-05-13  8:01   ` Herbert Xu
2025-05-08 19:41 ` [PATCH v9 03/19] Revert "crypto: testmgr - Add multibuffer acomp testing" Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 04/19] crypto: scomp - Fix off-by-one bug when calculating last page Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 05/19] crypto: iaa - Re-organize the iaa_crypto driver code Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 06/19] crypto: iaa - New architecture for IAA device WQ comp/decomp usage & core mapping Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 07/19] crypto: iaa - Define and use req->data instead of req->base.data Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 08/19] crypto: iaa - Descriptor allocation timeouts with mitigations in iaa_crypto Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 09/19] crypto: iaa - CRYPTO_ACOMP_REQ_POLL acomp_req flag for sequential vs. parallel Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 10/19] crypto: acomp - New interfaces to facilitate batching support in acomp & drivers Kanchana P Sridhar
2025-05-13  8:03   ` Herbert Xu
2025-05-16 19:17     ` Sridhar, Kanchana P
2025-05-17  0:46       ` Herbert Xu [this message]
2025-05-18 20:41         ` Sridhar, Kanchana P
2025-05-08 19:41 ` [PATCH v9 11/19] crypto: iaa - Implement crypto_acomp batching interfaces for Intel IAA Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 12/19] crypto: iaa - Enable async mode and make it the default Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 13/19] crypto: iaa - Disable iaa_verify_compress by default Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 14/19] mm: zswap: Move the CPU hotplug procedures under "pool functions" Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 15/19] mm: zswap: Per-CPU acomp_ctx resources exist from pool creation to deletion Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 16/19] mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 17/19] mm: zswap: Allocate pool batching resources if the compressor supports batching Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 18/19] mm: zswap: zswap_store() will process a folio in batches Kanchana P Sridhar
2025-05-08 19:41 ` [PATCH v9 19/19] mm: zswap: Batched zswap_compress() with compress batching of large folios Kanchana P Sridhar
2025-05-08 19:54 ` [RESEND PATCH v9 00/19] zswap compression batching Sridhar, Kanchana P
2025-05-08 20:55 ` Nhat Pham
2025-05-08 21:20   ` Nhat Pham
2025-05-09 18:29     ` Sridhar, Kanchana P
2025-05-09 18:26   ` Sridhar, Kanchana P
  -- strict thread matches above, loose matches on Subject: below --
2025-04-30 20:52 [PATCH " Kanchana P Sridhar
2025-04-30 20:52 ` [PATCH v9 10/19] crypto: acomp - New interfaces to facilitate batching support in acomp & drivers Kanchana P Sridhar
2025-05-01  1:40   ` Herbert Xu
2025-05-02 15:53     ` Sridhar, Kanchana P

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