Re: [PATCH v6 4/5] KVM: MIPS: clean up redundant 'kvm_run' parameters

Paolo Bonzini
2020-07-10T08:06:35Z

On 23/06/20 15:14, Tianjia Zhang wrote:
> 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>
> ---
> arch/mips/include/asm/kvm_host.h | 28 +-------
> arch/mips/kvm/emulate.c | 59 ++++++----------
> arch/mips/kvm/mips.c | 11 ++-
> arch/mips/kvm/trap_emul.c | 114 ++++++++++++++-----------------
> arch/mips/kvm/vz.c | 26 +++----
> 5 files changed, 87 insertions(+), 151 deletions(-)
>
> diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
> index 363e7a89d173..157fc876feca 100644
> --- a/arch/mips/include/asm/kvm_host.h
> +++ b/arch/mips/include/asm/kvm_host.h
> @@ -854,8 +854,8 @@ 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);
> @@ -910,7 +910,6 @@ 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);
>
> @@ -1021,83 +1020,67 @@ 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);
> @@ -1126,26 +1109,21 @@ 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 */
> diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
> index 5ae82d925197..23d3a4f3a43b 100644
> --- a/arch/mips/kvm/emulate.c
> +++ b/arch/mips/kvm/emulate.c
> @@ -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 @@ enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
>
> 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 @@ enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
> }
>
> 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 @@ enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
> }
>
> 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 @@ enum emulation_result kvm_mips_handle_ri(u32 cause, u32 *opc,
> * 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 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
>
> 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__,
> diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
> index 521bd5891e84..f5ba393472e3 100644
> --- a/arch/mips/kvm/mips.c
> +++ b/arch/mips/kvm/mips.c
> @@ -448,7 +448,6 @@ 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);
> @@ -457,11 +456,11 @@ 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);
> @@ -478,7 +477,7 @@ 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();
> @@ -1234,7 +1233,7 @@ 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) {
> @@ -1383,7 +1382,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
> */
> 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
> diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
> index 34ad0b46e610..f8cba51e1054 100644
> --- a/arch/mips/kvm/trap_emul.c
> +++ b/arch/mips/kvm/trap_emul.c
> @@ -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();
> diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
> index d9c462c14163..9e58c479ee20 100644
> --- a/arch/mips/kvm/vz.c
> +++ b/arch/mips/kvm/vz.c
> @@ -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);
>
>

Huacai, can you test these two patches (especially the next one---seems
correct but I'd prefer it to have a Tested-by)?

Thanks,

Paolo