Subject: Re: [PATCH v9 04/29] arm64: kvm: mte: Hide the MTE CPUID information from the guests

From: Marc Zyngier <[email-masked]>
Date: Fri, 04 Sep 2020 11:46:56 +0100

On Fri, 04 Sep 2020 11:30:04 +0100,
Catalin Marinas <[email-masked]> wrote:
> 
> KVM does not support MTE in guests yet, so clear the corresponding field
> in the ID_AA64PFR1_EL1 register. In addition, inject an undefined
> exception in the guest if it accesses one of the GCR_EL1, RGSR_EL1,
> TFSR_EL1 or TFSRE0_EL1 registers. While the emulate_sys_reg() function
> already injects an undefined exception, this patch prevents the
> unnecessary printk.
> 
> Signed-off-by: Catalin Marinas <[email-masked]>
> Cc: Marc Zyngier <[email-masked]>
> Cc: Steven Price <[email-masked]>

Acked-by: Marc Zyngier <[email-masked]>

	M.

-- 
Without deviation from the norm, progress is not possible.

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