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From: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
To: 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, herbert@gondor.apana.org.au,
	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
Cc: wajdi.k.feghali@intel.com, kanchana.p.sridhar@intel.com
Subject: [PATCH v14 10/26] crypto: iaa - Deprecate exporting add/remove IAA compression modes.
Date: Sat, 24 Jan 2026 19:35:21 -0800	[thread overview]
Message-ID: <20260125033537.334628-11-kanchana.p.sridhar@intel.com> (raw)
In-Reply-To: <20260125033537.334628-1-kanchana.p.sridhar@intel.com>

There is no use case right now for kernel users to dynamically
add/remove IAA compression modes; hence this commit deletes the symbol
exports of add_iaa_compression_mode() and remove_iaa_compression_mode().

The only supported usage model of IAA compression modes is for the code
to be statically linked during the iaa_crypto module build,
e.g. iaa_crypto_comp_fixed.c, and for available modes to be registered
when the first IAA device wq is probed.

Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
---
 drivers/crypto/intel/iaa/iaa_crypto_main.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index 4b275cc09404..1b44c0524692 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -368,10 +368,6 @@ static void free_iaa_compression_mode(struct iaa_compression_mode *mode)
  * These tables are typically generated and captured using statistics
  * collected from running actual compress/decompress workloads.
  *
- * A module or other kernel code can add and remove compression modes
- * with a given name using the exported @add_iaa_compression_mode()
- * and @remove_iaa_compression_mode functions.
- *
  * When a new compression mode is added, the tables are saved in a
  * global compression mode list.  When IAA devices are added, a
  * per-IAA device dma mapping is created for each IAA device, for each
@@ -405,7 +401,6 @@ void remove_iaa_compression_mode(const char *name)
 out:
 	mutex_unlock(&iaa_devices_lock);
 }
-EXPORT_SYMBOL_GPL(remove_iaa_compression_mode);
 
 /**
  * add_iaa_compression_mode - Add an IAA compression mode
@@ -482,7 +477,6 @@ int add_iaa_compression_mode(const char *name,
 	free_iaa_compression_mode(mode);
 	goto out;
 }
-EXPORT_SYMBOL_GPL(add_iaa_compression_mode);
 
 static void free_device_compression_mode(struct iaa_device *iaa_device,
 					 struct iaa_device_compression_mode *device_mode)
-- 
2.27.0



  parent reply	other threads:[~2026-01-25  3:36 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 ` Kanchana P Sridhar [this message]
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
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

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