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Re: [PATCH 2/2] x86/shadow: further correct MMIO handling in _sh_propagate()
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Fri, 13 Jan 2023 10:20:50 +0000
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- Thread-topic: [PATCH 2/2] x86/shadow: further correct MMIO handling in _sh_propagate()
On 13/01/2023 8:48 am, Jan Beulich wrote:
> While c61a6f74f80e ("x86: enforce consistent cachability of MMIO
> mappings") correctly converted one !mfn_valid() check there, two others
> were wrongly left untouched: Both cachability control and log-dirty
> tracking ought to be uniformly handled/excluded for all (non-)MMIO
> ranges, not just ones qualifiable by mfn_valid().
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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