[v3 1/5] arm64: kvm: add a cpu tear-down function

AKASHI Takahiro takahiro.akashi at linaro.org
Wed Apr 8 20:53:58 PDT 2015


On 04/08/2015 10:02 PM, Mark Rutland wrote:
>> +	/* We're now in idmap, disable MMU */
>> +1:	mrs	x0, sctlr_el2
>> +	and	x1, x0, #SCTLR_EL2_EE
>> +	orr	x0, x0, x1		// preserve endianness of EL2
>> +	ldr	x1, =SCTLR_EL2_FLAGS
>> +	eor	x1, x1, xzr
>> +	bic	x0, x0, x1		// Clear SCTL_M and etc
>> +	msr	sctlr_el2, x0
>> +	isb
>
> This can instead be:
>
> 1:	mrs	x0, sctlr_el2
> 	ldr	x1, =SCTLR_EL2_FLAGS
> 	bic	x0, x0, x1
> 	msr	sctlr_el2, x0
> 	isb
>
> As SCTLR_EL2_FLAGS doesn't contain the EE bit.

Oops. I will fix it.

Thanks,
-Takahiro AKASHI

> Mark.
>



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