Messages in this thread | | | Subject | Re: [PATCH RFCv2 3/9] kvm/arm64: Rename kvm_vcpu_get_hsr() to kvm_vcpu_get_esr() | From | Gavin Shan <> | Date | Wed, 27 May 2020 12:43:33 +1000 |
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Hi Mark,
On 5/26/20 8:42 PM, Mark Rutland wrote: > On Fri, May 08, 2020 at 01:29:13PM +1000, Gavin Shan wrote: >> Since kvm/arm32 was removed, this renames kvm_vcpu_get_hsr() to >> kvm_vcpu_get_esr() to it a bit more self-explaining because the >> functions returns ESR instead of HSR on aarch64. This shouldn't >> cause any functional changes. >> >> Signed-off-by: Gavin Shan <gshan@redhat.com> > > I think that this would be a nice cleanup on its own, and could be taken > independently of the rest of this series if it were rebased and sent as > a single patch. >
Yeah, I'll see how PATCH[3,4,5] can be posted independently as part of the preparatory work, which is suggested by you in another reply.
By the way, I assume the cleanup patches are good enough to target 5.8.rc1/rc2 if you agree.
Thanks, Gavin >> --- >> arch/arm64/include/asm/kvm_emulate.h | 36 +++++++++++++++------------- >> arch/arm64/kvm/handle_exit.c | 12 +++++----- >> arch/arm64/kvm/hyp/switch.c | 2 +- >> arch/arm64/kvm/sys_regs.c | 6 ++--- >> virt/kvm/arm/hyp/aarch32.c | 2 +- >> virt/kvm/arm/hyp/vgic-v3-sr.c | 4 ++-- >> virt/kvm/arm/mmu.c | 6 ++--- >> 7 files changed, 35 insertions(+), 33 deletions(-) >> >> diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h >> index a30b4eec7cb4..bd1a69e7c104 100644 >> --- a/arch/arm64/include/asm/kvm_emulate.h >> +++ b/arch/arm64/include/asm/kvm_emulate.h >> @@ -265,14 +265,14 @@ static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu) >> return mode != PSR_MODE_EL0t; >> } >> >> -static __always_inline u32 kvm_vcpu_get_hsr(const struct kvm_vcpu *vcpu) >> +static __always_inline u32 kvm_vcpu_get_esr(const struct kvm_vcpu *vcpu) >> { >> return vcpu->arch.fault.esr_el2; >> } >> >> static __always_inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu) >> { >> - u32 esr = kvm_vcpu_get_hsr(vcpu); >> + u32 esr = kvm_vcpu_get_esr(vcpu); >> >> if (esr & ESR_ELx_CV) >> return (esr & ESR_ELx_COND_MASK) >> ESR_ELx_COND_SHIFT; >> @@ -297,64 +297,66 @@ static inline u64 kvm_vcpu_get_disr(const struct kvm_vcpu *vcpu) >> >> static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu) >> { >> - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_xVC_IMM_MASK; >> + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_xVC_IMM_MASK; >> } >> >> static __always_inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_ISV); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_ISV); >> } >> >> static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu) >> { >> - return kvm_vcpu_get_hsr(vcpu) & (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC); >> + return kvm_vcpu_get_esr(vcpu) & >> + (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC); >> } >> >> static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SSE); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SSE); >> } >> >> static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SF); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SF); >> } >> >> static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu) >> { >> - return (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; >> + return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; >> } >> >> static __always_inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_S1PTW); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW); >> } >> >> static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WNR) || >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR) || >> kvm_vcpu_dabt_iss1tw(vcpu); /* AF/DBM update */ >> } >> >> static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_CM); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_CM); >> } >> >> static __always_inline unsigned int kvm_vcpu_dabt_get_as(const struct kvm_vcpu *vcpu) >> { >> - return 1 << ((kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT); >> + return 1 << ((kvm_vcpu_get_esr(vcpu) & ESR_ELx_SAS) >> >> + ESR_ELx_SAS_SHIFT); >> } >> >> /* This one is not specific to Data Abort */ >> static __always_inline bool kvm_vcpu_trap_il_is32bit(const struct kvm_vcpu *vcpu) >> { >> - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_IL); >> + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_IL); >> } >> >> static __always_inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu) >> { >> - return ESR_ELx_EC(kvm_vcpu_get_hsr(vcpu)); >> + return ESR_ELx_EC(kvm_vcpu_get_esr(vcpu)); >> } >> >> static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu) >> @@ -364,12 +366,12 @@ static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu) >> >> static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu) >> { >> - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC; >> + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC; >> } >> >> static __always_inline u8 kvm_vcpu_trap_get_fault_type(const struct kvm_vcpu *vcpu) >> { >> - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC_TYPE; >> + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC_TYPE; >> } >> >> static __always_inline bool kvm_vcpu_dabt_isextabt(const struct kvm_vcpu *vcpu) >> @@ -393,7 +395,7 @@ static __always_inline bool kvm_vcpu_dabt_isextabt(const struct kvm_vcpu *vcpu) >> >> static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu) >> { >> - u32 esr = kvm_vcpu_get_hsr(vcpu); >> + u32 esr = kvm_vcpu_get_esr(vcpu); >> return ESR_ELx_SYS64_ISS_RT(esr); >> } >> >> diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c >> index aacfc55de44c..c5b75a4d5eda 100644 >> --- a/arch/arm64/kvm/handle_exit.c >> +++ b/arch/arm64/kvm/handle_exit.c >> @@ -89,7 +89,7 @@ static int handle_no_fpsimd(struct kvm_vcpu *vcpu, struct kvm_run *run) >> */ >> static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) >> { >> - if (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WFx_ISS_WFE) { >> + if (kvm_vcpu_get_esr(vcpu) & ESR_ELx_WFx_ISS_WFE) { >> trace_kvm_wfx_arm64(*vcpu_pc(vcpu), true); >> vcpu->stat.wfe_exit_stat++; >> kvm_vcpu_on_spin(vcpu, vcpu_mode_priv(vcpu)); >> @@ -119,7 +119,7 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) >> */ >> static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu, struct kvm_run *run) >> { >> - u32 hsr = kvm_vcpu_get_hsr(vcpu); >> + u32 hsr = kvm_vcpu_get_esr(vcpu); >> int ret = 0; >> >> run->exit_reason = KVM_EXIT_DEBUG; >> @@ -146,7 +146,7 @@ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu, struct kvm_run *run) >> >> static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run) >> { >> - u32 hsr = kvm_vcpu_get_hsr(vcpu); >> + u32 hsr = kvm_vcpu_get_esr(vcpu); >> >> kvm_pr_unimpl("Unknown exception class: hsr: %#08x -- %s\n", >> hsr, esr_get_class_string(hsr)); >> @@ -226,7 +226,7 @@ static exit_handle_fn arm_exit_handlers[] = { >> >> static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu) >> { >> - u32 hsr = kvm_vcpu_get_hsr(vcpu); >> + u32 hsr = kvm_vcpu_get_esr(vcpu); >> u8 hsr_ec = ESR_ELx_EC(hsr); >> >> return arm_exit_handlers[hsr_ec]; >> @@ -267,7 +267,7 @@ int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, >> int exception_index) >> { >> if (ARM_SERROR_PENDING(exception_index)) { >> - u8 hsr_ec = ESR_ELx_EC(kvm_vcpu_get_hsr(vcpu)); >> + u8 hsr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(vcpu)); >> >> /* >> * HVC/SMC already have an adjusted PC, which we need >> @@ -333,5 +333,5 @@ void handle_exit_early(struct kvm_vcpu *vcpu, struct kvm_run *run, >> exception_index = ARM_EXCEPTION_CODE(exception_index); >> >> if (exception_index == ARM_EXCEPTION_EL1_SERROR) >> - kvm_handle_guest_serror(vcpu, kvm_vcpu_get_hsr(vcpu)); >> + kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu)); >> } >> diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c >> index 8a1e81a400e0..2c3242bcfed2 100644 >> --- a/arch/arm64/kvm/hyp/switch.c >> +++ b/arch/arm64/kvm/hyp/switch.c >> @@ -437,7 +437,7 @@ static bool __hyp_text __hyp_handle_fpsimd(struct kvm_vcpu *vcpu) >> >> static bool __hyp_text handle_tx2_tvm(struct kvm_vcpu *vcpu) >> { >> - u32 sysreg = esr_sys64_to_sysreg(kvm_vcpu_get_hsr(vcpu)); >> + u32 sysreg = esr_sys64_to_sysreg(kvm_vcpu_get_esr(vcpu)); >> int rt = kvm_vcpu_sys_get_rt(vcpu); >> u64 val = vcpu_get_reg(vcpu, rt); >> >> diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c >> index 51db934702b6..5b61465927b7 100644 >> --- a/arch/arm64/kvm/sys_regs.c >> +++ b/arch/arm64/kvm/sys_regs.c >> @@ -2214,7 +2214,7 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, >> size_t nr_specific) >> { >> struct sys_reg_params params; >> - u32 hsr = kvm_vcpu_get_hsr(vcpu); >> + u32 hsr = kvm_vcpu_get_esr(vcpu); >> int Rt = kvm_vcpu_sys_get_rt(vcpu); >> int Rt2 = (hsr >> 10) & 0x1f; >> >> @@ -2271,7 +2271,7 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu, >> size_t nr_specific) >> { >> struct sys_reg_params params; >> - u32 hsr = kvm_vcpu_get_hsr(vcpu); >> + u32 hsr = kvm_vcpu_get_esr(vcpu); >> int Rt = kvm_vcpu_sys_get_rt(vcpu); >> >> params.is_aarch32 = true; >> @@ -2387,7 +2387,7 @@ static void reset_sys_reg_descs(struct kvm_vcpu *vcpu, >> int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run) >> { >> struct sys_reg_params params; >> - unsigned long esr = kvm_vcpu_get_hsr(vcpu); >> + unsigned long esr = kvm_vcpu_get_esr(vcpu); >> int Rt = kvm_vcpu_sys_get_rt(vcpu); >> int ret; >> >> diff --git a/virt/kvm/arm/hyp/aarch32.c b/virt/kvm/arm/hyp/aarch32.c >> index d31f267961e7..864b477e660a 100644 >> --- a/virt/kvm/arm/hyp/aarch32.c >> +++ b/virt/kvm/arm/hyp/aarch32.c >> @@ -51,7 +51,7 @@ bool __hyp_text kvm_condition_valid32(const struct kvm_vcpu *vcpu) >> int cond; >> >> /* Top two bits non-zero? Unconditional. */ >> - if (kvm_vcpu_get_hsr(vcpu) >> 30) >> + if (kvm_vcpu_get_esr(vcpu) >> 30) >> return true; >> >> /* Is condition field valid? */ >> diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c >> index ccf1fde9836c..8a7a14ec9120 100644 >> --- a/virt/kvm/arm/hyp/vgic-v3-sr.c >> +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c >> @@ -441,7 +441,7 @@ static int __hyp_text __vgic_v3_bpr_min(void) >> >> static int __hyp_text __vgic_v3_get_group(struct kvm_vcpu *vcpu) >> { >> - u32 esr = kvm_vcpu_get_hsr(vcpu); >> + u32 esr = kvm_vcpu_get_esr(vcpu); >> u8 crm = (esr & ESR_ELx_SYS64_ISS_CRM_MASK) >> ESR_ELx_SYS64_ISS_CRM_SHIFT; >> >> return crm != 8; >> @@ -1007,7 +1007,7 @@ int __hyp_text __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu) >> bool is_read; >> u32 sysreg; >> >> - esr = kvm_vcpu_get_hsr(vcpu); >> + esr = kvm_vcpu_get_esr(vcpu); >> if (vcpu_mode_is_32bit(vcpu)) { >> if (!kvm_condition_valid(vcpu)) { >> __kvm_skip_instr(vcpu); >> diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c >> index e3b9ee268823..5da0d0e7519b 100644 >> --- a/virt/kvm/arm/mmu.c >> +++ b/virt/kvm/arm/mmu.c >> @@ -1922,7 +1922,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) >> * For RAS the host kernel may handle this abort. >> * There is no need to pass the error into the guest. >> */ >> - if (!kvm_handle_guest_sea(fault_ipa, kvm_vcpu_get_hsr(vcpu))) >> + if (!kvm_handle_guest_sea(fault_ipa, kvm_vcpu_get_esr(vcpu))) >> return 1; >> >> if (unlikely(!is_iabt)) { >> @@ -1931,7 +1931,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) >> } >> } >> >> - trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu), >> + trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_esr(vcpu), >> kvm_vcpu_get_hfar(vcpu), fault_ipa); >> >> /* Check the stage-2 fault is trans. fault or write fault */ >> @@ -1940,7 +1940,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) >> kvm_err("Unsupported FSC: EC=%#x xFSC=%#lx ESR_EL2=%#lx\n", >> kvm_vcpu_trap_get_class(vcpu), >> (unsigned long)kvm_vcpu_trap_get_fault(vcpu), >> - (unsigned long)kvm_vcpu_get_hsr(vcpu)); >> + (unsigned long)kvm_vcpu_get_esr(vcpu)); >> return -EFAULT; >> } >> >> -- >> 2.23.0 >> >
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