diff options
-rw-r--r-- | arch/powerpc/kvm/bookehv_interrupts.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S index 2d1f56cad48c..57e2fa414444 100644 --- a/arch/powerpc/kvm/bookehv_interrupts.S +++ b/arch/powerpc/kvm/bookehv_interrupts.S @@ -49,7 +49,8 @@ * kernel with the -ffixed-r2 gcc option. */ #define HOST_R2 (3 * LONGBYTES) -#define HOST_NV_GPRS (4 * LONGBYTES) +#define HOST_CR (4 * LONGBYTES) +#define HOST_NV_GPRS (5 * LONGBYTES) #define HOST_NV_GPR(n) (HOST_NV_GPRS + ((n - 14) * LONGBYTES)) #define HOST_MIN_STACK_SIZE (HOST_NV_GPR(31) + LONGBYTES) #define HOST_STACK_SIZE ((HOST_MIN_STACK_SIZE + 15) & ~15) /* Align. */ @@ -396,6 +397,7 @@ skip_nv_load: heavyweight_exit: /* Not returning to guest. */ PPC_LL r5, HOST_STACK_LR(r1) + lwz r6, HOST_CR(r1) /* * We already saved guest volatile register state; now save the @@ -442,6 +444,7 @@ heavyweight_exit: /* Return to kvm_vcpu_run(). */ mtlr r5 + mtcr r6 addi r1, r1, HOST_STACK_SIZE /* r3 still contains the return code from kvmppc_handle_exit(). */ blr @@ -457,8 +460,11 @@ _GLOBAL(__kvmppc_vcpu_run) /* Save host state to stack. */ PPC_STL r3, HOST_RUN(r1) mflr r3 + mfcr r5 PPC_STL r3, HOST_STACK_LR(r1) + stw r5, HOST_CR(r1) + /* Save host non-volatile register state to stack. */ PPC_STL r14, HOST_NV_GPR(r14)(r1) PPC_STL r15, HOST_NV_GPR(r15)(r1) |