linux-kernel - Re: [PATCH v6 6/6] swiotlb: Reinstate page-alignment for mappings >= PAGE

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Message-ID: <20240308182232.2480a1f3@meshulam.tesarici.cz>
Date: Fri, 8 Mar 2024 18:22:32 +0100
From: Petr Tesařík <petr@...arici.cz>
To: Christoph Hellwig <hch@....de>
Cc: Robin Murphy <robin.murphy@....com>, Will Deacon <will@...nel.org>,
 linux-kernel@...r.kernel.org, kernel-team@...roid.com,
 iommu@...ts.linux.dev, Marek Szyprowski <m.szyprowski@...sung.com>, Petr
 Tesarik <petr.tesarik1@...wei-partners.com>, Dexuan Cui
 <decui@...rosoft.com>, Nicolin Chen <nicolinc@...dia.com>, Michael Kelley
 <mhklinux@...look.com>
Subject: Re: [PATCH v6 6/6] swiotlb: Reinstate page-alignment for mappings
 >= PAGE_SIZE

On Fri, 8 Mar 2024 17:50:25 +0100
Christoph Hellwig <hch@....de> wrote:

> On Fri, Mar 08, 2024 at 05:38:16PM +0100, Petr Tesařík wrote:
> > I thought we agreed that this stricter alignment is unnecessary:
> > 
> >   https://lore.kernel.org/linux-iommu/20240305140833.GC3659@lst.de/
> > 
> > But if everybody else wants to have it...  
> 
> Let's get the fixes in with the existing documented alignment, and
> then lift it in the next merge window with enough soaking time in
> linux-next.

I agree. It make sense.

Petr T