| Message ID | 1466699687-24791-12-git-send-email-james.hogan@imgtec.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/mips/kvm/entry.c b/arch/mips/kvm/entry.c index 53e1e576d18a..6395bfa7e542 100644 --- a/arch/mips/kvm/entry.c +++ b/arch/mips/kvm/entry.c @@ -581,10 +581,6 @@ static void *kvm_mips_build_ret_to_host(void *addr) UASM_i_LW(&p, K1, offsetof(struct kvm_vcpu_arch, host_stack), K1); uasm_i_addiu(&p, K1, K1, -(int)sizeof(struct pt_regs)); - /* Restore host DDATA_LO */ - UASM_i_LW(&p, K0, offsetof(struct pt_regs, cp0_epc), K1); - uasm_i_mtc0(&p, K0, C0_DDATA_LO); - /* * r2/v0 is the return code, shift it down by 2 (arithmetic) * to recover the err code
On return from the exit handler to the host (without re-entering the guest) we restore the saved value of the DDATA_LO register which we use as a scratch register. However we've already restored it ready for calling the exit handler so there is no need to do it again, so drop that code. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- arch/mips/kvm/entry.c | 4 ---- 1 file changed, 4 deletions(-)