linux-kernel - Re: [PATCH v5 00/14] Remove DMA map_page/map

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Message-ID: <20251026073828.GC12554@unreal>
Date: Sun, 26 Oct 2025 09:38:28 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Robin Murphy <robin.murphy@....com>,
	Russell King <linux@...linux.org.uk>,
	Juergen Gross <jgross@...e.com>,
	Stefano Stabellini <sstabellini@...nel.org>,
	Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
	Richard Henderson <richard.henderson@...aro.org>,
	Matt Turner <mattst88@...il.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
	Helge Deller <deller@....de>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Geoff Levand <geoff@...radead.org>,
	"David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	xen-devel@...ts.xenproject.org, linux-alpha@...r.kernel.org,
	linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org,
	Magnus Lindholm <linmag7@...il.com>, Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH v5 00/14] Remove DMA map_page/map_resource and their
 unmap callbacks

On Mon, Oct 20, 2025 at 06:27:32PM +0200, Marek Szyprowski wrote:
> Dear All,
> 
> On 15.10.2025 11:12, Leon Romanovsky wrote:
> > This series is a combination of previous two steps [1, 2] to reduce
> > number of accesses to struct page in the code "below" DMA layer.
> >
> > In this series, the DMA .map_page/.map_resource/.unmap_page/.unmap_resource
> > callbacks are converted to newly introduced .map_phys/.unmap_phys interfaces.
> 
> I would like to have some acks from respective arch maintainers before 
> applying this patchset.

If to judge by git log and lore for some of these arch (didn't check all),
you won't get any response and will need to make a call by yourself.

Thanks

> 
> Best regards
> -- 
> Marek Szyprowski, PhD
> Samsung R&D Institute Poland
>