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

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Message-ID: <20240308165025.GA18550@lst.de>
Date: Fri, 8 Mar 2024 17:50:25 +0100
From: Christoph Hellwig <hch@....de>
To: Petr Tesařík <petr@...arici.cz>
Cc: Robin Murphy <robin.murphy@....com>, Will Deacon <will@...nel.org>,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	iommu@...ts.linux.dev, Christoph Hellwig <hch@....de>,
	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, 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.