From: Corentin Labbe <clabbe.montjoie@gmail.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Christoph Hellwig <hch@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>,
Marc Zyngier <maz@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
LinuxKernelMailingList@gondor.apana.org.au,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: Re: [PATCH] crypto: sun8i-ss - Remove GFP_DMA and add DMA alignment padding
Date: Tue, 3 Jan 2023 07:51:24 +0100 [thread overview]
Message-ID: <Y7PQbNrgs2EvkXMB@Red> (raw)
In-Reply-To: <Y61WrVAjjtAMAvSh@gondor.apana.org.au>
Le Thu, Dec 29, 2022 at 04:58:21PM +0800, Herbert Xu a écrit :
> GFP_DMA does not guarantee that the returned memory is aligned
> for DMA. In fact for sun8i-ss it is superfluous and can be removed.
>
> However, kmalloc may start returning DMA-unaligned memory in future
> so fix this by adding the alignment by hand.
>
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Hello
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-on: sun8i-a83t-bananapi-m3
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
This means that lot of other crypto driver (sun8i-ce, amlogic, etc...) I maintain need the same fix, right ?
Regards
next prev parent reply other threads:[~2023-01-03 6:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 9:19 [PATCH 0/10] crypto: Driver conversions for DMA alignment Herbert Xu
2022-12-02 9:20 ` [PATCH 1/10] crypto: cavium - Set DMA alignment explicitly Herbert Xu
2022-12-02 9:20 ` [PATCH 2/10] crypto: ccp " Herbert Xu
2022-12-02 9:20 ` [PATCH 3/10] crypto: ccree " Herbert Xu
2022-12-02 9:20 ` [PATCH 4/10] crypto: chelsio " Herbert Xu
2022-12-02 9:20 ` [PATCH 5/10] crypto: hisilicon/hpre " Herbert Xu
2022-12-02 9:20 ` [PATCH 6/10] crypto: safexcel " Herbert Xu
2022-12-02 9:20 ` [PATCH 7/10] crypto: keembay " Herbert Xu
2022-12-02 9:21 ` [PATCH 8/10] crypto: octeontx " Herbert Xu
2022-12-02 9:21 ` [PATCH 9/10] crypto: octeontx2 " Herbert Xu
2022-12-02 9:21 ` [PATCH 10/10] crypto: qce " Herbert Xu
2022-12-02 9:49 ` [PATCH 0/10] crypto: Driver conversions for DMA alignment liulongfang
2022-12-02 9:53 ` Herbert Xu
2022-12-04 9:32 ` Christoph Hellwig
2022-12-06 4:13 ` Herbert Xu
2022-12-06 6:27 ` Christoph Hellwig
2022-12-06 8:34 ` Herbert Xu
2022-12-29 8:58 ` [PATCH] crypto: sun8i-ss - Remove GFP_DMA and add DMA alignment padding Herbert Xu
2022-12-30 5:21 ` [PATCH] crypto: caam " Herbert Xu
2022-12-30 7:31 ` [PATCH] crypto: talitos " Herbert Xu
2023-01-08 17:37 ` Christoph Hellwig
2023-01-09 7:18 ` Christophe Leroy
2023-01-09 7:37 ` Herbert Xu
2023-01-08 17:36 ` [PATCH] crypto: caam " Christoph Hellwig
2023-01-03 6:51 ` Corentin Labbe [this message]
2023-01-03 7:26 ` [PATCH] crypto: sun8i-ss " Herbert Xu
2023-01-08 17:36 ` Christoph Hellwig
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