Re: [Android-virt] [PATCH] ARM: KVM: Emulate ID_DFR0 to say we don't support anything.

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On 23 March 2012 00:38, Rusty Russell <rusty.russell@xxxxxxxxxx> wrote:
> The guest should be checking this before trying to use performance monitors,
> for example.
>
> Signed-off-by: Rusty Russell <rusty.russell@xxxxxxxxxx>

Does this code get used currently? I thought we hadn't enabled
trapping for feature register reads because of that use of one
of the MMFR registers in a hot path for page allocation...

-- PMM
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