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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Christoph Hellwig <hch@infradead.org>
Cc: 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 0/10] crypto: Driver conversions for DMA alignment
Date: Tue, 6 Dec 2022 16:34:11 +0800	[thread overview]
Message-ID: <Y47+gxbdKR03EYCj@gondor.apana.org.au> (raw)
In-Reply-To: <Y47g7qO8dsRdxCgf@infradead.org>

On Mon, Dec 05, 2022 at 10:27:58PM -0800, Christoph Hellwig wrote:
.
> But GFP_DMA never did do anything at all about alignment.  It picks
> allocations from ZONE_DMA (which on x86 is the first 16MB only).

Right.  I'm not arguing that they are correct or anything.  I'm
just saying that they are currently working on arm64 because of
the large minimum kmalloc alignment, and they will all be broken
afterwards.

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:[~2022-12-06  8:34 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-02  9:19 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 [this message]
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           ` [PATCH] crypto: sun8i-ss " Corentin Labbe
2023-01-03  7:26             ` Herbert Xu
2023-01-08 17:36           ` Christoph Hellwig

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