Re: [PATCH 3/4] KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue
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 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: lwaxr3,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 -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[PATCH 3/4] KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue
To establish addressability quickly, ABIv2 requires the target address of the function being called to be in r12. Signed-off-by: Anton Blanchard --- 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: lwaxr3,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 -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html