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Date: Tue, 10 Mar 2026 13:55:52 +0000
From: Catalin Marinas <catalin.marinas@arm.com>
To: Mostafa Saleh <smostafa@google.com>
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
	robin.murphy@arm.com, m.szyprowski@samsung.com, will@kernel.org,
	maz@kernel.org, suzuki.poulose@arm.com,
	"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Subject: Re: [RFC PATCH 1/2] dma-mapping: Avoid double decrypting with
 DMA_RESTRICTED_POOL
Message-ID: <abAi6NeKb4m_RbwV@arm.com>
References: <20260305170335.963568-1-smostafa@google.com>
 <20260305170335.963568-2-smostafa@google.com>
 <abAeSML-7ziLeIvv@arm.com>
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In-Reply-To: <abAeSML-7ziLeIvv@arm.com>

On Tue, Mar 10, 2026 at 01:36:08PM +0000, Catalin Marinas wrote:
> However, it's unclear to me whether we can get encrypted pages when
> is_swiotlb_for_alloc() == false, remap == true and
> force_dma_unencrypted() == true in dma_direct_alloc().
> dma_set_decrypted() is only called on the !remap path.

Ah, I can see Anneesh trying to address this here:

https://lore.kernel.org/r/yq5abjjl4o0j.fsf@kernel.org

-- 
Catalin