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SubjectRe: [PATCH] arm64: KVM: export demux regids as KVM_REG_ARM64
On 01/07/14 16:53, Alex Bennée wrote:
> I suspect this is a -ECUTPASTE fault from the initial implementation. If
> we don't declare the register ID to be KVM_REG_ARM64 the KVM_GET_ONE_REG
> implementation kvm_arm_get_reg() returns -EINVAL and hilarity ensues.
>
> The kvm/api.txt document describes all arm64 registers as starting with
> 0x60xx... (i.e KVM_REG_ARM64).
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
> ---
> arch/arm64/kvm/sys_regs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
> index 0324458..5ee99e4 100644
> --- a/arch/arm64/kvm/sys_regs.c
> +++ b/arch/arm64/kvm/sys_regs.c
> @@ -962,7 +962,7 @@ static unsigned int num_demux_regs(void)
>
> static int write_demux_regids(u64 __user *uindices)
> {
> - u64 val = KVM_REG_ARM | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX;
> + u64 val = KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX;
> unsigned int i;
>
> val |= KVM_REG_ARM_DEMUX_ID_CCSIDR;
>

-EBROWNPAPERBAG.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

Thanks,

M.
--
Jazz is not dead. It just smells funny...
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