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* [PATCH] crypto: hisilicon/sec - delele the flag CRYPTO_ALG_ALLOCATES_MEMORY
@ 2022-05-13  7:55 Kai Ye
  2022-05-13  8:07 ` yekai(A)
  0 siblings, 1 reply; 2+ messages in thread
From: Kai Ye @ 2022-05-13  7:55 UTC (permalink / raw)
  To: herbert; +Cc: linux-crypto, linux-kernel, wangzhou1, yekai13

Should not to uses the CRYPTO_ALG_ALLOCATES_MEMORY in SEC2. The SEC2
driver uses the pre-allocated buffers, including the src sgl pool, dst
sgl pool and other qp ctx resources. (e.g. IV buffer, mac buffer, key
buffer). The SEC2 driver doesn't allocate memory during request processing.
The driver only maps software sgl to allocated hardware sgl during I/O. So
here is fix it.

Signed-off-by: Kai Ye <yekai13@huawei.com>
---
 drivers/crypto/hisilicon/sec2/sec_crypto.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index a91635c348b5..6eebe739893c 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -2113,7 +2113,6 @@ static int sec_skcipher_decrypt(struct skcipher_request *sk_req)
 		.cra_driver_name = "hisi_sec_"sec_cra_name,\
 		.cra_priority = SEC_PRIORITY,\
 		.cra_flags = CRYPTO_ALG_ASYNC |\
-		 CRYPTO_ALG_ALLOCATES_MEMORY |\
 		 CRYPTO_ALG_NEED_FALLBACK,\
 		.cra_blocksize = blk_size,\
 		.cra_ctxsize = sizeof(struct sec_ctx),\
@@ -2366,7 +2365,6 @@ static int sec_aead_decrypt(struct aead_request *a_req)
 		.cra_driver_name = "hisi_sec_"sec_cra_name,\
 		.cra_priority = SEC_PRIORITY,\
 		.cra_flags = CRYPTO_ALG_ASYNC |\
-		 CRYPTO_ALG_ALLOCATES_MEMORY |\
 		 CRYPTO_ALG_NEED_FALLBACK,\
 		.cra_blocksize = blk_size,\
 		.cra_ctxsize = sizeof(struct sec_ctx),\
-- 
2.33.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] crypto: hisilicon/sec - delele the flag CRYPTO_ALG_ALLOCATES_MEMORY
  2022-05-13  7:55 [PATCH] crypto: hisilicon/sec - delele the flag CRYPTO_ALG_ALLOCATES_MEMORY Kai Ye
@ 2022-05-13  8:07 ` yekai(A)
  0 siblings, 0 replies; 2+ messages in thread
From: yekai(A) @ 2022-05-13  8:07 UTC (permalink / raw)
  To: herbert; +Cc: linux-crypto, linux-kernel, wangzhou1



On 2022/5/13 15:55, Kai Ye wrote:
> Should not to uses the CRYPTO_ALG_ALLOCATES_MEMORY in SEC2. The SEC2
> driver uses the pre-allocated buffers, including the src sgl pool, dst
> sgl pool and other qp ctx resources. (e.g. IV buffer, mac buffer, key
> buffer). The SEC2 driver doesn't allocate memory during request processing.
> The driver only maps software sgl to allocated hardware sgl during I/O. So
> here is fix it.
>
> Signed-off-by: Kai Ye <yekai13@huawei.com>
> ---
>  drivers/crypto/hisilicon/sec2/sec_crypto.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
> index a91635c348b5..6eebe739893c 100644
> --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
> +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
> @@ -2113,7 +2113,6 @@ static int sec_skcipher_decrypt(struct skcipher_request *sk_req)
>  		.cra_driver_name = "hisi_sec_"sec_cra_name,\
>  		.cra_priority = SEC_PRIORITY,\
>  		.cra_flags = CRYPTO_ALG_ASYNC |\
> -		 CRYPTO_ALG_ALLOCATES_MEMORY |\
>  		 CRYPTO_ALG_NEED_FALLBACK,\
>  		.cra_blocksize = blk_size,\
>  		.cra_ctxsize = sizeof(struct sec_ctx),\
> @@ -2366,7 +2365,6 @@ static int sec_aead_decrypt(struct aead_request *a_req)
>  		.cra_driver_name = "hisi_sec_"sec_cra_name,\
>  		.cra_priority = SEC_PRIORITY,\
>  		.cra_flags = CRYPTO_ALG_ASYNC |\
> -		 CRYPTO_ALG_ALLOCATES_MEMORY |\
>  		 CRYPTO_ALG_NEED_FALLBACK,\
>  		.cra_blocksize = blk_size,\
>  		.cra_ctxsize = sizeof(struct sec_ctx),\
>

Please ignore this patch, There was a title misspelled, "delete->delele"


Thanks
Kai

^ permalink raw reply	[flat|nested] 2+ messages in thread

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