linux-kernel - Re: [PATCH v6 1/5] KVM: arm64: Block cacheable PFNMAP mapping

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Date: Tue, 27 May 2025 04:04:00 +0000
From: Ankit Agrawal <ankita@...dia.com>
To: Jason Gunthorpe <jgg@...dia.com>
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Subject: Re: [PATCH v6 1/5] KVM: arm64: Block cacheable PFNMAP mapping

>> Fixes a security bug due to mismatched attributes between S1 and
>> S2 mapping.
>>
>> Currently, it is possible for a region to be cacheable in S1, but
>> mapped
>
> "cachable in the userspace VMA"

Thanks Jason for catching that! Will update the text.