KVM: MIPS: clean up redundant 'kvm_run' parameters
authorTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tue, 23 Jun 2020 13:14:17 +0000 (21:14 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 10 Jul 2020 08:26:41 +0000 (04:26 -0400)
In the current kvm version, 'kvm_run' has been included in the 'kvm_vcpu'
structure. For historical reasons, many kvm-related function parameters
retain the 'kvm_run' and 'kvm_vcpu' parameters at the same time. This
patch does a unified cleanup of these remaining redundant parameters.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-Id: <20200623131418.31473-5-tianjia.zhang@linux.alibaba.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/mips/include/asm/kvm_host.h
arch/mips/kvm/emulate.c
arch/mips/kvm/mips.c
arch/mips/kvm/trap_emul.c
arch/mips/kvm/vz.c

index f496171..d35eaed 100644 (file)
@@ -843,8 +843,8 @@ struct kvm_mips_callbacks {
                           const struct kvm_one_reg *reg, s64 v);
        int (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
        int (*vcpu_put)(struct kvm_vcpu *vcpu, int cpu);
-       int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
-       void (*vcpu_reenter)(struct kvm_run *run, struct kvm_vcpu *vcpu);
+       int (*vcpu_run)(struct kvm_vcpu *vcpu);
+       void (*vcpu_reenter)(struct kvm_vcpu *vcpu);
 };
 extern struct kvm_mips_callbacks *kvm_mips_callbacks;
 int kvm_mips_emulation_init(struct kvm_mips_callbacks **install_callbacks);
@@ -899,7 +899,6 @@ extern int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
 
 extern enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
                                                     u32 *opc,
-                                                    struct kvm_run *run,
                                                     struct kvm_vcpu *vcpu,
                                                     bool write_fault);
 
@@ -1010,83 +1009,67 @@ static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *vcpu)
 
 extern enum emulation_result kvm_mips_emulate_inst(u32 cause,
                                                   u32 *opc,
-                                                  struct kvm_run *run,
                                                   struct kvm_vcpu *vcpu);
 
 long kvm_mips_guest_exception_base(struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_syscall(u32 cause,
                                                      u32 *opc,
-                                                     struct kvm_run *run,
                                                      struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_tlbmiss_ld(u32 cause,
                                                         u32 *opc,
-                                                        struct kvm_run *run,
                                                         struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_tlbinv_ld(u32 cause,
                                                        u32 *opc,
-                                                       struct kvm_run *run,
                                                        struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_tlbmiss_st(u32 cause,
                                                         u32 *opc,
-                                                        struct kvm_run *run,
                                                         struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_tlbinv_st(u32 cause,
                                                        u32 *opc,
-                                                       struct kvm_run *run,
                                                        struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_tlbmod(u32 cause,
                                                     u32 *opc,
-                                                    struct kvm_run *run,
                                                     struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_fpu_exc(u32 cause,
                                                      u32 *opc,
-                                                     struct kvm_run *run,
                                                      struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_handle_ri(u32 cause,
                                                u32 *opc,
-                                               struct kvm_run *run,
                                                struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_ri_exc(u32 cause,
                                                     u32 *opc,
-                                                    struct kvm_run *run,
                                                     struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_bp_exc(u32 cause,
                                                     u32 *opc,
-                                                    struct kvm_run *run,
                                                     struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_trap_exc(u32 cause,
                                                       u32 *opc,
-                                                      struct kvm_run *run,
                                                       struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_msafpe_exc(u32 cause,
                                                         u32 *opc,
-                                                        struct kvm_run *run,
                                                         struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_fpe_exc(u32 cause,
                                                      u32 *opc,
-                                                     struct kvm_run *run,
                                                      struct kvm_vcpu *vcpu);
 
 extern enum emulation_result kvm_mips_emulate_msadis_exc(u32 cause,
                                                         u32 *opc,
-                                                        struct kvm_run *run,
                                                         struct kvm_vcpu *vcpu);
 
-extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
-                                                        struct kvm_run *run);
+extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu);
 
 u32 kvm_mips_read_count(struct kvm_vcpu *vcpu);
 void kvm_mips_write_count(struct kvm_vcpu *vcpu, u32 count);
@@ -1115,26 +1098,21 @@ static inline void kvm_vz_lose_htimer(struct kvm_vcpu *vcpu) {}
 
 enum emulation_result kvm_mips_check_privilege(u32 cause,
                                               u32 *opc,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu);
 
 enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
                                             u32 *opc,
                                             u32 cause,
-                                            struct kvm_run *run,
                                             struct kvm_vcpu *vcpu);
 enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
                                           u32 *opc,
                                           u32 cause,
-                                          struct kvm_run *run,
                                           struct kvm_vcpu *vcpu);
 enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
                                             u32 cause,
-                                            struct kvm_run *run,
                                             struct kvm_vcpu *vcpu);
 enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
                                            u32 cause,
-                                           struct kvm_run *run,
                                            struct kvm_vcpu *vcpu);
 
 /* COP0 */
index d3d322f..3221193 100644 (file)
@@ -1262,7 +1262,6 @@ unsigned int kvm_mips_config5_wrmask(struct kvm_vcpu *vcpu)
 
 enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
                                           u32 *opc, u32 cause,
-                                          struct kvm_run *run,
                                           struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -1597,12 +1596,12 @@ dont_update_pc:
 
 enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
                                             u32 cause,
-                                            struct kvm_run *run,
                                             struct kvm_vcpu *vcpu)
 {
        int r;
        enum emulation_result er;
        u32 rt;
+       struct kvm_run *run = vcpu->run;
        void *data = run->mmio.data;
        unsigned int imme;
        unsigned long curr_pc;
@@ -1894,9 +1893,9 @@ out_fail:
 }
 
 enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
-                                           u32 cause, struct kvm_run *run,
-                                           struct kvm_vcpu *vcpu)
+                                           u32 cause, struct kvm_vcpu *vcpu)
 {
+       struct kvm_run *run = vcpu->run;
        int r;
        enum emulation_result er;
        unsigned long curr_pc;
@@ -2136,7 +2135,6 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
 static enum emulation_result kvm_mips_guest_cache_op(int (*fn)(unsigned long),
                                                     unsigned long curr_pc,
                                                     unsigned long addr,
-                                                    struct kvm_run *run,
                                                     struct kvm_vcpu *vcpu,
                                                     u32 cause)
 {
@@ -2164,13 +2162,13 @@ static enum emulation_result kvm_mips_guest_cache_op(int (*fn)(unsigned long),
                        /* no matching guest TLB */
                        vcpu->arch.host_cp0_badvaddr = addr;
                        vcpu->arch.pc = curr_pc;
-                       kvm_mips_emulate_tlbmiss_ld(cause, NULL, run, vcpu);
+                       kvm_mips_emulate_tlbmiss_ld(cause, NULL, vcpu);
                        return EMULATE_EXCEPT;
                case KVM_MIPS_TLBINV:
                        /* invalid matching guest TLB */
                        vcpu->arch.host_cp0_badvaddr = addr;
                        vcpu->arch.pc = curr_pc;
-                       kvm_mips_emulate_tlbinv_ld(cause, NULL, run, vcpu);
+                       kvm_mips_emulate_tlbinv_ld(cause, NULL, vcpu);
                        return EMULATE_EXCEPT;
                default:
                        break;
@@ -2180,7 +2178,6 @@ static enum emulation_result kvm_mips_guest_cache_op(int (*fn)(unsigned long),
 
 enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
                                             u32 *opc, u32 cause,
-                                            struct kvm_run *run,
                                             struct kvm_vcpu *vcpu)
 {
        enum emulation_result er = EMULATE_DONE;
@@ -2270,7 +2267,7 @@ enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
                 * guest's behalf.
                 */
                er = kvm_mips_guest_cache_op(protected_writeback_dcache_line,
-                                            curr_pc, va, run, vcpu, cause);
+                                            curr_pc, va, vcpu, cause);
                if (er != EMULATE_DONE)
                        goto done;
 #ifdef CONFIG_KVM_MIPS_DYN_TRANS
@@ -2283,11 +2280,11 @@ enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
        } else if (op_inst == Hit_Invalidate_I) {
                /* Perform the icache synchronisation on the guest's behalf */
                er = kvm_mips_guest_cache_op(protected_writeback_dcache_line,
-                                            curr_pc, va, run, vcpu, cause);
+                                            curr_pc, va, vcpu, cause);
                if (er != EMULATE_DONE)
                        goto done;
                er = kvm_mips_guest_cache_op(protected_flush_icache_line,
-                                            curr_pc, va, run, vcpu, cause);
+                                            curr_pc, va, vcpu, cause);
                if (er != EMULATE_DONE)
                        goto done;
 
@@ -2313,7 +2310,6 @@ done:
 }
 
 enum emulation_result kvm_mips_emulate_inst(u32 cause, u32 *opc,
-                                           struct kvm_run *run,
                                            struct kvm_vcpu *vcpu)
 {
        union mips_instruction inst;
@@ -2329,14 +2325,14 @@ enum emulation_result kvm_mips_emulate_inst(u32 cause, u32 *opc,
 
        switch (inst.r_format.opcode) {
        case cop0_op:
-               er = kvm_mips_emulate_CP0(inst, opc, cause, run, vcpu);
+               er = kvm_mips_emulate_CP0(inst, opc, cause, vcpu);
                break;
 
 #ifndef CONFIG_CPU_MIPSR6
        case cache_op:
                ++vcpu->stat.cache_exits;
                trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
-               er = kvm_mips_emulate_cache(inst, opc, cause, run, vcpu);
+               er = kvm_mips_emulate_cache(inst, opc, cause, vcpu);
                break;
 #else
        case spec3_op:
@@ -2344,7 +2340,7 @@ enum emulation_result kvm_mips_emulate_inst(u32 cause, u32 *opc,
                case cache6_op:
                        ++vcpu->stat.cache_exits;
                        trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
-                       er = kvm_mips_emulate_cache(inst, opc, cause, run,
+                       er = kvm_mips_emulate_cache(inst, opc, cause,
                                                    vcpu);
                        break;
                default:
@@ -2384,7 +2380,6 @@ long kvm_mips_guest_exception_base(struct kvm_vcpu *vcpu)
 
 enum emulation_result kvm_mips_emulate_syscall(u32 cause,
                                               u32 *opc,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2419,7 +2414,6 @@ enum emulation_result kvm_mips_emulate_syscall(u32 cause,
 
 enum emulation_result kvm_mips_emulate_tlbmiss_ld(u32 cause,
                                                  u32 *opc,
-                                                 struct kvm_run *run,
                                                  struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2463,7 +2457,6 @@ enum emulation_result kvm_mips_emulate_tlbmiss_ld(u32 cause,
 
 enum emulation_result kvm_mips_emulate_tlbinv_ld(u32 cause,
                                                 u32 *opc,
-                                                struct kvm_run *run,
                                                 struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2505,7 +2498,6 @@ enum emulation_result kvm_mips_emulate_tlbinv_ld(u32 cause,
 
 enum emulation_result kvm_mips_emulate_tlbmiss_st(u32 cause,
                                                  u32 *opc,
-                                                 struct kvm_run *run,
                                                  struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2547,7 +2539,6 @@ enum emulation_result kvm_mips_emulate_tlbmiss_st(u32 cause,
 
 enum emulation_result kvm_mips_emulate_tlbinv_st(u32 cause,
                                                 u32 *opc,
-                                                struct kvm_run *run,
                                                 struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2588,7 +2579,6 @@ enum emulation_result kvm_mips_emulate_tlbinv_st(u32 cause,
 
 enum emulation_result kvm_mips_emulate_tlbmod(u32 cause,
                                              u32 *opc,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2628,7 +2618,6 @@ enum emulation_result kvm_mips_emulate_tlbmod(u32 cause,
 
 enum emulation_result kvm_mips_emulate_fpu_exc(u32 cause,
                                               u32 *opc,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2657,7 +2646,6 @@ enum emulation_result kvm_mips_emulate_fpu_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_ri_exc(u32 cause,
                                              u32 *opc,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2692,7 +2680,6 @@ enum emulation_result kvm_mips_emulate_ri_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_bp_exc(u32 cause,
                                              u32 *opc,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2727,7 +2714,6 @@ enum emulation_result kvm_mips_emulate_bp_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_trap_exc(u32 cause,
                                                u32 *opc,
-                                               struct kvm_run *run,
                                                struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2762,7 +2748,6 @@ enum emulation_result kvm_mips_emulate_trap_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_msafpe_exc(u32 cause,
                                                  u32 *opc,
-                                                 struct kvm_run *run,
                                                  struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2797,7 +2782,6 @@ enum emulation_result kvm_mips_emulate_msafpe_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_fpe_exc(u32 cause,
                                               u32 *opc,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2832,7 +2816,6 @@ enum emulation_result kvm_mips_emulate_fpe_exc(u32 cause,
 
 enum emulation_result kvm_mips_emulate_msadis_exc(u32 cause,
                                                  u32 *opc,
-                                                 struct kvm_run *run,
                                                  struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2866,7 +2849,6 @@ enum emulation_result kvm_mips_emulate_msadis_exc(u32 cause,
 }
 
 enum emulation_result kvm_mips_handle_ri(u32 cause, u32 *opc,
-                                        struct kvm_run *run,
                                         struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -2955,12 +2937,12 @@ emulate_ri:
         * branch target), and pass the RI exception to the guest OS.
         */
        vcpu->arch.pc = curr_pc;
-       return kvm_mips_emulate_ri_exc(cause, opc, run, vcpu);
+       return kvm_mips_emulate_ri_exc(cause, opc, vcpu);
 }
 
-enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
-                                                 struct kvm_run *run)
+enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu)
 {
+       struct kvm_run *run = vcpu->run;
        unsigned long *gpr = &vcpu->arch.gprs[vcpu->arch.io_gpr];
        enum emulation_result er = EMULATE_DONE;
 
@@ -3103,7 +3085,6 @@ done:
 
 static enum emulation_result kvm_mips_emulate_exc(u32 cause,
                                                  u32 *opc,
-                                                 struct kvm_run *run,
                                                  struct kvm_vcpu *vcpu)
 {
        u32 exccode = (cause >> CAUSEB_EXCCODE) & 0x1f;
@@ -3141,7 +3122,6 @@ static enum emulation_result kvm_mips_emulate_exc(u32 cause,
 
 enum emulation_result kvm_mips_check_privilege(u32 cause,
                                               u32 *opc,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu)
 {
        enum emulation_result er = EMULATE_DONE;
@@ -3223,7 +3203,7 @@ enum emulation_result kvm_mips_check_privilege(u32 cause,
        }
 
        if (er == EMULATE_PRIV_FAIL)
-               kvm_mips_emulate_exc(cause, opc, run, vcpu);
+               kvm_mips_emulate_exc(cause, opc, vcpu);
 
        return er;
 }
@@ -3237,7 +3217,6 @@ enum emulation_result kvm_mips_check_privilege(u32 cause,
  */
 enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
                                              u32 *opc,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu,
                                              bool write_fault)
 {
@@ -3261,9 +3240,9 @@ enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
                       KVM_ENTRYHI_ASID));
        if (index < 0) {
                if (exccode == EXCCODE_TLBL) {
-                       er = kvm_mips_emulate_tlbmiss_ld(cause, opc, run, vcpu);
+                       er = kvm_mips_emulate_tlbmiss_ld(cause, opc, vcpu);
                } else if (exccode == EXCCODE_TLBS) {
-                       er = kvm_mips_emulate_tlbmiss_st(cause, opc, run, vcpu);
+                       er = kvm_mips_emulate_tlbmiss_st(cause, opc, vcpu);
                } else {
                        kvm_err("%s: invalid exc code: %d\n", __func__,
                                exccode);
@@ -3278,10 +3257,10 @@ enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
                 */
                if (!TLB_IS_VALID(*tlb, va)) {
                        if (exccode == EXCCODE_TLBL) {
-                               er = kvm_mips_emulate_tlbinv_ld(cause, opc, run,
+                               er = kvm_mips_emulate_tlbinv_ld(cause, opc,
                                                                vcpu);
                        } else if (exccode == EXCCODE_TLBS) {
-                               er = kvm_mips_emulate_tlbinv_st(cause, opc, run,
+                               er = kvm_mips_emulate_tlbinv_st(cause, opc,
                                                                vcpu);
                        } else {
                                kvm_err("%s: invalid exc code: %d\n", __func__,
index 666d335..7de85d2 100644 (file)
@@ -450,7 +450,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
 
 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        int r = -EINTR;
 
        vcpu_load(vcpu);
@@ -459,11 +458,11 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
 
        if (vcpu->mmio_needed) {
                if (!vcpu->mmio_is_write)
-                       kvm_mips_complete_mmio_load(vcpu, run);
+                       kvm_mips_complete_mmio_load(vcpu);
                vcpu->mmio_needed = 0;
        }
 
-       if (run->immediate_exit)
+       if (vcpu->run->immediate_exit)
                goto out;
 
        lose_fpu(1);
@@ -480,7 +479,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
         */
        smp_store_mb(vcpu->mode, IN_GUEST_MODE);
 
-       r = kvm_mips_callbacks->vcpu_run(run, vcpu);
+       r = kvm_mips_callbacks->vcpu_run(vcpu);
 
        trace_kvm_out(vcpu);
        guest_exit_irqoff();
@@ -1236,7 +1235,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
                 * end up causing an exception to be delivered to the Guest
                 * Kernel
                 */
-               er = kvm_mips_check_privilege(cause, opc, run, vcpu);
+               er = kvm_mips_check_privilege(cause, opc, vcpu);
                if (er == EMULATE_PRIV_FAIL) {
                        goto skip_emul;
                } else if (er == EMULATE_FAIL) {
@@ -1385,7 +1384,7 @@ skip_emul:
                 */
                smp_store_mb(vcpu->mode, IN_GUEST_MODE);
 
-               kvm_mips_callbacks->vcpu_reenter(run, vcpu);
+               kvm_mips_callbacks->vcpu_reenter(vcpu);
 
                /*
                 * If FPU / MSA are enabled (i.e. the guest's FPU / MSA context
index 34ad0b4..f8cba51 100644 (file)
@@ -67,7 +67,6 @@ static int kvm_trap_emul_no_handler(struct kvm_vcpu *vcpu)
 static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
@@ -81,14 +80,14 @@ static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
                         * Unusable/no FPU in guest:
                         * deliver guest COP1 Unusable Exception
                         */
-                       er = kvm_mips_emulate_fpu_exc(cause, opc, run, vcpu);
+                       er = kvm_mips_emulate_fpu_exc(cause, opc, vcpu);
                } else {
                        /* Restore FPU state */
                        kvm_own_fpu(vcpu);
                        er = EMULATE_DONE;
                }
        } else {
-               er = kvm_mips_emulate_inst(cause, opc, run, vcpu);
+               er = kvm_mips_emulate_inst(cause, opc, vcpu);
        }
 
        switch (er) {
@@ -97,12 +96,12 @@ static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
                break;
 
        case EMULATE_FAIL:
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
                break;
 
        case EMULATE_WAIT:
-               run->exit_reason = KVM_EXIT_INTR;
+               vcpu->run->exit_reason = KVM_EXIT_INTR;
                ret = RESUME_HOST;
                break;
 
@@ -116,8 +115,7 @@ static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
        return ret;
 }
 
-static int kvm_mips_bad_load(u32 cause, u32 *opc, struct kvm_run *run,
-                            struct kvm_vcpu *vcpu)
+static int kvm_mips_bad_load(u32 cause, u32 *opc, struct kvm_vcpu *vcpu)
 {
        enum emulation_result er;
        union mips_instruction inst;
@@ -125,7 +123,7 @@ static int kvm_mips_bad_load(u32 cause, u32 *opc, struct kvm_run *run,
 
        /* A code fetch fault doesn't count as an MMIO */
        if (kvm_is_ifetch_fault(&vcpu->arch)) {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                return RESUME_HOST;
        }
 
@@ -134,23 +132,22 @@ static int kvm_mips_bad_load(u32 cause, u32 *opc, struct kvm_run *run,
                opc += 1;
        err = kvm_get_badinstr(opc, vcpu, &inst.word);
        if (err) {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                return RESUME_HOST;
        }
 
        /* Emulate the load */
-       er = kvm_mips_emulate_load(inst, cause, run, vcpu);
+       er = kvm_mips_emulate_load(inst, cause, vcpu);
        if (er == EMULATE_FAIL) {
                kvm_err("Emulate load from MMIO space failed\n");
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
        } else {
-               run->exit_reason = KVM_EXIT_MMIO;
+               vcpu->run->exit_reason = KVM_EXIT_MMIO;
        }
        return RESUME_HOST;
 }
 
-static int kvm_mips_bad_store(u32 cause, u32 *opc, struct kvm_run *run,
-                             struct kvm_vcpu *vcpu)
+static int kvm_mips_bad_store(u32 cause, u32 *opc, struct kvm_vcpu *vcpu)
 {
        enum emulation_result er;
        union mips_instruction inst;
@@ -161,34 +158,33 @@ static int kvm_mips_bad_store(u32 cause, u32 *opc, struct kvm_run *run,
                opc += 1;
        err = kvm_get_badinstr(opc, vcpu, &inst.word);
        if (err) {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                return RESUME_HOST;
        }
 
        /* Emulate the store */
-       er = kvm_mips_emulate_store(inst, cause, run, vcpu);
+       er = kvm_mips_emulate_store(inst, cause, vcpu);
        if (er == EMULATE_FAIL) {
                kvm_err("Emulate store to MMIO space failed\n");
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
        } else {
-               run->exit_reason = KVM_EXIT_MMIO;
+               vcpu->run->exit_reason = KVM_EXIT_MMIO;
        }
        return RESUME_HOST;
 }
 
-static int kvm_mips_bad_access(u32 cause, u32 *opc, struct kvm_run *run,
+static int kvm_mips_bad_access(u32 cause, u32 *opc,
                               struct kvm_vcpu *vcpu, bool store)
 {
        if (store)
-               return kvm_mips_bad_store(cause, opc, run, vcpu);
+               return kvm_mips_bad_store(cause, opc, vcpu);
        else
-               return kvm_mips_bad_load(cause, opc, run, vcpu);
+               return kvm_mips_bad_load(cause, opc, vcpu);
 }
 
 static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
        u32 cause = vcpu->arch.host_cp0_cause;
@@ -212,12 +208,12 @@ static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu *vcpu)
                 * They would indicate stale host TLB entries.
                 */
                if (unlikely(index < 0)) {
-                       run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+                       vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                        return RESUME_HOST;
                }
                tlb = vcpu->arch.guest_tlb + index;
                if (unlikely(!TLB_IS_VALID(*tlb, badvaddr))) {
-                       run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+                       vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                        return RESUME_HOST;
                }
 
@@ -226,23 +222,23 @@ static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu *vcpu)
                 * exception. Relay that on to the guest so it can handle it.
                 */
                if (!TLB_IS_DIRTY(*tlb, badvaddr)) {
-                       kvm_mips_emulate_tlbmod(cause, opc, run, vcpu);
+                       kvm_mips_emulate_tlbmod(cause, opc, vcpu);
                        return RESUME_GUEST;
                }
 
                if (kvm_mips_handle_mapped_seg_tlb_fault(vcpu, tlb, badvaddr,
                                                         true))
                        /* Not writable, needs handling as MMIO */
-                       return kvm_mips_bad_store(cause, opc, run, vcpu);
+                       return kvm_mips_bad_store(cause, opc, vcpu);
                return RESUME_GUEST;
        } else if (KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG0) {
                if (kvm_mips_handle_kseg0_tlb_fault(badvaddr, vcpu, true) < 0)
                        /* Not writable, needs handling as MMIO */
-                       return kvm_mips_bad_store(cause, opc, run, vcpu);
+                       return kvm_mips_bad_store(cause, opc, vcpu);
                return RESUME_GUEST;
        } else {
                /* host kernel addresses are all handled as MMIO */
-               return kvm_mips_bad_store(cause, opc, run, vcpu);
+               return kvm_mips_bad_store(cause, opc, vcpu);
        }
 }
 
@@ -276,7 +272,7 @@ static int kvm_trap_emul_handle_tlb_miss(struct kvm_vcpu *vcpu, bool store)
                 *     into the shadow host TLB
                 */
 
-               er = kvm_mips_handle_tlbmiss(cause, opc, run, vcpu, store);
+               er = kvm_mips_handle_tlbmiss(cause, opc, vcpu, store);
                if (er == EMULATE_DONE)
                        ret = RESUME_GUEST;
                else {
@@ -289,14 +285,14 @@ static int kvm_trap_emul_handle_tlb_miss(struct kvm_vcpu *vcpu, bool store)
                 * not expect to ever get them
                 */
                if (kvm_mips_handle_kseg0_tlb_fault(badvaddr, vcpu, store) < 0)
-                       ret = kvm_mips_bad_access(cause, opc, run, vcpu, store);
+                       ret = kvm_mips_bad_access(cause, opc, vcpu, store);
        } else if (KVM_GUEST_KERNEL_MODE(vcpu)
                   && (KSEGX(badvaddr) == CKSEG0 || KSEGX(badvaddr) == CKSEG1)) {
                /*
                 * With EVA we may get a TLB exception instead of an address
                 * error when the guest performs MMIO to KSeg1 addresses.
                 */
-               ret = kvm_mips_bad_access(cause, opc, run, vcpu, store);
+               ret = kvm_mips_bad_access(cause, opc, vcpu, store);
        } else {
                kvm_err("Illegal TLB %s fault address , cause %#x, PC: %p, BadVaddr: %#lx\n",
                        store ? "ST" : "LD", cause, opc, badvaddr);
@@ -320,7 +316,6 @@ static int kvm_trap_emul_handle_tlb_ld_miss(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
        u32 cause = vcpu->arch.host_cp0_cause;
@@ -328,11 +323,11 @@ static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu *vcpu)
 
        if (KVM_GUEST_KERNEL_MODE(vcpu)
            && (KSEGX(badvaddr) == CKSEG0 || KSEGX(badvaddr) == CKSEG1)) {
-               ret = kvm_mips_bad_store(cause, opc, run, vcpu);
+               ret = kvm_mips_bad_store(cause, opc, vcpu);
        } else {
                kvm_err("Address Error (STORE): cause %#x, PC: %p, BadVaddr: %#lx\n",
                        cause, opc, badvaddr);
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -340,18 +335,17 @@ static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_addr_err_ld(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        unsigned long badvaddr = vcpu->arch.host_cp0_badvaddr;
        u32 cause = vcpu->arch.host_cp0_cause;
        int ret = RESUME_GUEST;
 
        if (KSEGX(badvaddr) == CKSEG0 || KSEGX(badvaddr) == CKSEG1) {
-               ret = kvm_mips_bad_load(cause, opc, run, vcpu);
+               ret = kvm_mips_bad_load(cause, opc, vcpu);
        } else {
                kvm_err("Address Error (LOAD): cause %#x, PC: %p, BadVaddr: %#lx\n",
                        cause, opc, badvaddr);
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -359,17 +353,16 @@ static int kvm_trap_emul_handle_addr_err_ld(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_syscall(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_emulate_syscall(cause, opc, run, vcpu);
+       er = kvm_mips_emulate_syscall(cause, opc, vcpu);
        if (er == EMULATE_DONE)
                ret = RESUME_GUEST;
        else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -377,17 +370,16 @@ static int kvm_trap_emul_handle_syscall(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_res_inst(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_handle_ri(cause, opc, run, vcpu);
+       er = kvm_mips_handle_ri(cause, opc, vcpu);
        if (er == EMULATE_DONE)
                ret = RESUME_GUEST;
        else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -395,17 +387,16 @@ static int kvm_trap_emul_handle_res_inst(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_break(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_emulate_bp_exc(cause, opc, run, vcpu);
+       er = kvm_mips_emulate_bp_exc(cause, opc, vcpu);
        if (er == EMULATE_DONE)
                ret = RESUME_GUEST;
        else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -413,17 +404,16 @@ static int kvm_trap_emul_handle_break(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_trap(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *)vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_emulate_trap_exc(cause, opc, run, vcpu);
+       er = kvm_mips_emulate_trap_exc(cause, opc, vcpu);
        if (er == EMULATE_DONE) {
                ret = RESUME_GUEST;
        } else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -431,17 +421,16 @@ static int kvm_trap_emul_handle_trap(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_msa_fpe(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *)vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_emulate_msafpe_exc(cause, opc, run, vcpu);
+       er = kvm_mips_emulate_msafpe_exc(cause, opc, vcpu);
        if (er == EMULATE_DONE) {
                ret = RESUME_GUEST;
        } else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -449,17 +438,16 @@ static int kvm_trap_emul_handle_msa_fpe(struct kvm_vcpu *vcpu)
 
 static int kvm_trap_emul_handle_fpe(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *)vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
        int ret = RESUME_GUEST;
 
-       er = kvm_mips_emulate_fpe_exc(cause, opc, run, vcpu);
+       er = kvm_mips_emulate_fpe_exc(cause, opc, vcpu);
        if (er == EMULATE_DONE) {
                ret = RESUME_GUEST;
        } else {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
        }
        return ret;
@@ -474,7 +462,6 @@ static int kvm_trap_emul_handle_fpe(struct kvm_vcpu *vcpu)
 static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
-       struct kvm_run *run = vcpu->run;
        u32 __user *opc = (u32 __user *) vcpu->arch.pc;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_DONE;
@@ -486,10 +473,10 @@ static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu)
                 * No MSA in guest, or FPU enabled and not in FR=1 mode,
                 * guest reserved instruction exception
                 */
-               er = kvm_mips_emulate_ri_exc(cause, opc, run, vcpu);
+               er = kvm_mips_emulate_ri_exc(cause, opc, vcpu);
        } else if (!(kvm_read_c0_guest_config5(cop0) & MIPS_CONF5_MSAEN)) {
                /* MSA disabled by guest, guest MSA disabled exception */
-               er = kvm_mips_emulate_msadis_exc(cause, opc, run, vcpu);
+               er = kvm_mips_emulate_msadis_exc(cause, opc, vcpu);
        } else {
                /* Restore MSA/FPU state */
                kvm_own_msa(vcpu);
@@ -502,7 +489,7 @@ static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu)
                break;
 
        case EMULATE_FAIL:
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
                break;
 
@@ -1184,8 +1171,7 @@ void kvm_trap_emul_gva_lockless_end(struct kvm_vcpu *vcpu)
        local_irq_enable();
 }
 
-static void kvm_trap_emul_vcpu_reenter(struct kvm_run *run,
-                                      struct kvm_vcpu *vcpu)
+static void kvm_trap_emul_vcpu_reenter(struct kvm_vcpu *vcpu)
 {
        struct mm_struct *kern_mm = &vcpu->arch.guest_kernel_mm;
        struct mm_struct *user_mm = &vcpu->arch.guest_user_mm;
@@ -1228,7 +1214,7 @@ static void kvm_trap_emul_vcpu_reenter(struct kvm_run *run,
        check_mmu_context(mm);
 }
 
-static int kvm_trap_emul_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
+static int kvm_trap_emul_vcpu_run(struct kvm_vcpu *vcpu)
 {
        int cpu = smp_processor_id();
        int r;
@@ -1237,7 +1223,7 @@ static int kvm_trap_emul_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
        kvm_mips_deliver_interrupts(vcpu,
                                    kvm_read_c0_guest_cause(vcpu->arch.cop0));
 
-       kvm_trap_emul_vcpu_reenter(run, vcpu);
+       kvm_trap_emul_vcpu_reenter(vcpu);
 
        /*
         * We use user accessors to access guest memory, but we don't want to
@@ -1255,7 +1241,7 @@ static int kvm_trap_emul_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
         */
        kvm_mips_suspend_mm(cpu);
 
-       r = vcpu->arch.vcpu_run(run, vcpu);
+       r = vcpu->arch.vcpu_run(vcpu->run, vcpu);
 
        /* We may have migrated while handling guest exits */
        cpu = smp_processor_id();
index d9c462c..9e58c47 100644 (file)
@@ -874,7 +874,6 @@ static void kvm_write_maari(struct kvm_vcpu *vcpu, unsigned long val)
 
 static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst,
                                              u32 *opc, u32 cause,
-                                             struct kvm_run *run,
                                              struct kvm_vcpu *vcpu)
 {
        struct mips_coproc *cop0 = vcpu->arch.cop0;
@@ -1074,7 +1073,6 @@ static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst,
 
 static enum emulation_result kvm_vz_gpsi_cache(union mips_instruction inst,
                                               u32 *opc, u32 cause,
-                                              struct kvm_run *run,
                                               struct kvm_vcpu *vcpu)
 {
        enum emulation_result er = EMULATE_DONE;
@@ -1217,7 +1215,6 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
 {
        enum emulation_result er = EMULATE_DONE;
        struct kvm_vcpu_arch *arch = &vcpu->arch;
-       struct kvm_run *run = vcpu->run;
        union mips_instruction inst;
        int rd, rt, sel;
        int err;
@@ -1233,12 +1230,12 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
 
        switch (inst.r_format.opcode) {
        case cop0_op:
-               er = kvm_vz_gpsi_cop0(inst, opc, cause, run, vcpu);
+               er = kvm_vz_gpsi_cop0(inst, opc, cause, vcpu);
                break;
 #ifndef CONFIG_CPU_MIPSR6
        case cache_op:
                trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
-               er = kvm_vz_gpsi_cache(inst, opc, cause, run, vcpu);
+               er = kvm_vz_gpsi_cache(inst, opc, cause, vcpu);
                break;
 #endif
 #ifdef CONFIG_CPU_LOONGSON64
@@ -1251,7 +1248,7 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
 #ifdef CONFIG_CPU_MIPSR6
                case cache6_op:
                        trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
-                       er = kvm_vz_gpsi_cache(inst, opc, cause, run, vcpu);
+                       er = kvm_vz_gpsi_cache(inst, opc, cause, vcpu);
                        break;
 #endif
                case rdhwr_op:
@@ -1553,7 +1550,6 @@ static int kvm_trap_vz_handle_guest_exit(struct kvm_vcpu *vcpu)
  */
 static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
        u32 cause = vcpu->arch.host_cp0_cause;
        enum emulation_result er = EMULATE_FAIL;
        int ret = RESUME_GUEST;
@@ -1581,7 +1577,7 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
                break;
 
        case EMULATE_FAIL:
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                ret = RESUME_HOST;
                break;
 
@@ -1600,8 +1596,6 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
  */
 static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu)
 {
-       struct kvm_run *run = vcpu->run;
-
        /*
         * If MSA not present or not exposed to guest or FR=0, the MSA operation
         * should have been treated as a reserved instruction!
@@ -1612,7 +1606,7 @@ static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu)
            (read_gc0_status() & (ST0_CU1 | ST0_FR)) == ST0_CU1 ||
            !(read_gc0_config5() & MIPS_CONF5_MSAEN) ||
            vcpu->arch.aux_inuse & KVM_MIPS_AUX_MSA) {
-               run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+               vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                return RESUME_HOST;
        }
 
@@ -1648,7 +1642,7 @@ static int kvm_trap_vz_handle_tlb_ld_miss(struct kvm_vcpu *vcpu)
                }
 
                /* Treat as MMIO */
-               er = kvm_mips_emulate_load(inst, cause, run, vcpu);
+               er = kvm_mips_emulate_load(inst, cause, vcpu);
                if (er == EMULATE_FAIL) {
                        kvm_err("Guest Emulate Load from MMIO space failed: PC: %p, BadVaddr: %#lx\n",
                                opc, badvaddr);
@@ -1695,7 +1689,7 @@ static int kvm_trap_vz_handle_tlb_st_miss(struct kvm_vcpu *vcpu)
                }
 
                /* Treat as MMIO */
-               er = kvm_mips_emulate_store(inst, cause, run, vcpu);
+               er = kvm_mips_emulate_store(inst, cause, vcpu);
                if (er == EMULATE_FAIL) {
                        kvm_err("Guest Emulate Store to MMIO space failed: PC: %p, BadVaddr: %#lx\n",
                                opc, badvaddr);
@@ -3242,7 +3236,7 @@ static void kvm_vz_flush_shadow_memslot(struct kvm *kvm,
        kvm_vz_flush_shadow_all(kvm);
 }
 
-static void kvm_vz_vcpu_reenter(struct kvm_run *run, struct kvm_vcpu *vcpu)
+static void kvm_vz_vcpu_reenter(struct kvm_vcpu *vcpu)
 {
        int cpu = smp_processor_id();
        int preserve_guest_tlb;
@@ -3258,7 +3252,7 @@ static void kvm_vz_vcpu_reenter(struct kvm_run *run, struct kvm_vcpu *vcpu)
                kvm_vz_vcpu_load_wired(vcpu);
 }
 
-static int kvm_vz_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
+static int kvm_vz_vcpu_run(struct kvm_vcpu *vcpu)
 {
        int cpu = smp_processor_id();
        int r;
@@ -3271,7 +3265,7 @@ static int kvm_vz_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
        kvm_vz_vcpu_load_tlb(vcpu, cpu);
        kvm_vz_vcpu_load_wired(vcpu);
 
-       r = vcpu->arch.vcpu_run(run, vcpu);
+       r = vcpu->arch.vcpu_run(vcpu->run, vcpu);
 
        kvm_vz_vcpu_save_wired(vcpu);