Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull another kvm fix from Paolo Bonzini:
 "A fix for a PowerPC bug that was introduced during the 3.14 merge
  window"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
  KVM: PPC: Book3S HV: Remove bogus duplicate code

1 files changed, 2 insertions, 69 deletions

diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index e66d4ec04d95..818dce344e82 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1504,73 +1504,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
 1:      addi    r8,r8,16
         .endr
 
-        /* Save DEC */
-        mfspr   r5,SPRN_DEC
-        mftb    r6
-        extsw   r5,r5
-        add     r5,r5,r6
-        std     r5,VCPU_DEC_EXPIRES(r9)
-
-BEGIN_FTR_SECTION
-        b       8f
-END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
-        /* Turn on TM so we can access TFHAR/TFIAR/TEXASR */
-        mfmsr   r8
-        li      r0, 1
-        rldimi  r8, r0, MSR_TM_LG, 63-MSR_TM_LG
-        mtmsrd  r8
-
-        /* Save POWER8-specific registers */
-        mfspr   r5, SPRN_IAMR
-        mfspr   r6, SPRN_PSPB
-        mfspr   r7, SPRN_FSCR
-        std     r5, VCPU_IAMR(r9)
-        stw     r6, VCPU_PSPB(r9)
-        std     r7, VCPU_FSCR(r9)
-        mfspr   r5, SPRN_IC
-        mfspr   r6, SPRN_VTB
-        mfspr   r7, SPRN_TAR
-        std     r5, VCPU_IC(r9)
-        std     r6, VCPU_VTB(r9)
-        std     r7, VCPU_TAR(r9)
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-        mfspr   r5, SPRN_TFHAR
-        mfspr   r6, SPRN_TFIAR
-        mfspr   r7, SPRN_TEXASR
-        std     r5, VCPU_TFHAR(r9)
-        std     r6, VCPU_TFIAR(r9)
-        std     r7, VCPU_TEXASR(r9)
-#endif
-        mfspr   r8, SPRN_EBBHR
-        std     r8, VCPU_EBBHR(r9)
-        mfspr   r5, SPRN_EBBRR
-        mfspr   r6, SPRN_BESCR
-        mfspr   r7, SPRN_CSIGR
-        mfspr   r8, SPRN_TACR
-        std     r5, VCPU_EBBRR(r9)
-        std     r6, VCPU_BESCR(r9)
-        std     r7, VCPU_CSIGR(r9)
-        std     r8, VCPU_TACR(r9)
-        mfspr   r5, SPRN_TCSCR
-        mfspr   r6, SPRN_ACOP
-        mfspr   r7, SPRN_PID
-        mfspr   r8, SPRN_WORT
-        std     r5, VCPU_TCSCR(r9)
-        std     r6, VCPU_ACOP(r9)
-        stw     r7, VCPU_GUEST_PID(r9)
-        std     r8, VCPU_WORT(r9)
-8:
-
-        /* Save and reset AMR and UAMOR before turning on the MMU */
-BEGIN_FTR_SECTION
-        mfspr   r5,SPRN_AMR
-        mfspr   r6,SPRN_UAMOR
-        std     r5,VCPU_AMR(r9)
-        std     r6,VCPU_UAMOR(r9)
-        li      r6,0
-        mtspr   SPRN_AMR,r6
-END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
-
         /* Unset guest mode */
         li      r0, KVM_GUEST_MODE_NONE
         stb     r0, HSTATE_IN_GUEST(r13)
@@ -2203,7 +2136,7 @@ BEGIN_FTR_SECTION
 END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 #endif
         mfspr   r6,SPRN_VRSAVE
-        stw     r6,VCPU_VRSAVE(r3)
+        stw     r6,VCPU_VRSAVE(r31)
         mtlr    r30
         mtmsrd  r5
         isync
@@ -2240,7 +2173,7 @@ BEGIN_FTR_SECTION
         bl      .load_vr_state
 END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 #endif
-        lwz     r7,VCPU_VRSAVE(r4)
+        lwz     r7,VCPU_VRSAVE(r31)
         mtspr   SPRN_VRSAVE,r7
         mtlr    r30
         mr      r4,r31