linux-kernel - Re: [PATCH v4 1/2] dma: improve DMA zone selection

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Message-ID: <ZqtNtxKxBurIQEq0@arm.com>
Date: Thu, 1 Aug 2024 09:56:23 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Baruch Siach <baruch@...s.co.il>
Cc: Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
	iommu@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-s390@...r.kernel.org,
	Petr Tesařík <petr@...arici.cz>,
	Ramon Fried <ramon@...reality.ai>,
	Elad Nachman <enachman@...vell.com>
Subject: Re: [PATCH v4 1/2] dma: improve DMA zone selection

On Thu, Aug 01, 2024 at 11:25:06AM +0300, Baruch Siach wrote:
> When device DMA limit does not fit in DMA32 zone it should use DMA zone,
> even when DMA zone is stricter than needed.
> 
> Same goes for devices that can't allocate from the entire normal zone.
> Limit to DMA32 in that case.
> 
> Reported-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Baruch Siach <baruch@...s.co.il>

This looks fine to me now.

Reviewed-by: Catalin Marinas <catalin.marinas@....com>