[PATCH 3/4] KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue

[Alexander Graf]

On 12.06.14 10:16, Anton Blanchard wrote:
> To establish addressability quickly, ABIv2 requires the target
> address of the function being called to be in r12.
>
> Signed-off-by: Anton Blanchard <anton at samba.org>

Thanks, applied to kvm-ppc-queue.


Alex

> ---
>
> Index: b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> ===================================================================
> --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> @@ -1920,8 +1920,8 @@ hcall_try_real_mode:
>   	lwax	r3,r3,r4
>   	cmpwi	r3,0
>   	beq	guest_exit_cont
> -	add	r3,r3,r4
> -	mtctr	r3
> +	add	r12,r3,r4
> +	mtctr	r12
>   	mr	r3,r9		/* get vcpu pointer */
>   	ld	r4,VCPU_GPR(R4)(r9)
>   	bctrl