linux-kernel - Re: [PATCH] iommu/io-pgtable-dart: Only set subpage protection disable for DART 1

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Message-ID: <Z7hea_LY7u_7_jTw@8bytes.org>
Date: Fri, 21 Feb 2025 12:07:23 +0100
From: Joerg Roedel <joro@...tes.org>
To: fnkl.kernel@...il.com
Cc: Sven Peter <sven@...npeter.dev>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
	Hector Martin <marcan@...can.st>, Rob Herring <robh@...nel.org>,
	Janne Grunau <j@...nau.net>, Joerg Roedel <jroedel@...e.de>,
	asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Asahi Lina <lina@...hilina.net>
Subject: Re: [PATCH] iommu/io-pgtable-dart: Only set subpage protection
 disable for DART 1

On Wed, Feb 19, 2025 at 10:13:53AM +0100, Sasha Finkelstein via B4 Relay wrote:
> From: Asahi Lina <lina@...hilina.net>
> 
> Subpage protection can't be disabled on t6000-style darts,
> as such the disable flag no longer applies, and probably
> even affects something else.
> 
> Fixes: dc09fe1c5edd ("iommu/io-pgtable-dart: Add DART PTE support for t6000")
> Signed-off-by: Asahi Lina <lina@...hilina.net>
> Signed-off-by: Sasha Finkelstein <fnkl.kernel@...il.com>
> ---
>  drivers/iommu/io-pgtable-dart.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.