[lvc-project] Fwd: [PATCH] iommu/io-pgtable-arm: Remove iommu_dev==NULL special case

Alexey Khoroshilov khoroshilov at ispras.ru
Wed Sep 7 17:45:57 MSK 2022


-------- Forwarded Message --------
Subject: 	Re: [PATCH] iommu/io-pgtable-arm: Remove iommu_dev==NULL
special case
Date: 	Wed, 7 Sep 2022 14:19:04 +0200
From: 	Joerg Roedel <joro at 8bytes.org>
To: 	Robin Murphy <robin.murphy at arm.com>
CC: 	will at kernel.org, iommu at lists.linux.dev, subkhankulov at ispras.ru,
khoroshilov at ispras.ru, linux-kernel at vger.kernel.org



On Mon, Aug 15, 2022 at 05:15:55PM +0100, Robin Murphy wrote:
> The special case to allow iommu_dev==NULL in __arm_lpae_alloc_pages() is
> confusing to static checkers (and possibly readers in general), since
> it's not obvious that that is only intended for the selftests. However
> it only serves to get around the dev_to_node() call, and we can easily
> fake up enough to make that work anyway, so let's simply remove this
> consideration from the normal flow and punt the responsibility over to
> the test harness itself.
>
> Reported-by: Rustam Subkhankulov <subkhankulov at ispras.ru>
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>

Applied, thanks.
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