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SubjectRe: [PATCH] arm64: KVM: export demux regids as KVM_REG_ARM64
On Tue, Jul 01, 2014 at 04:56:50PM +0100, Marc Zyngier wrote:
> 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>
>
Applied to kvmarm/master,

thanks.
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