[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 03/12] xen/mce: add blank lines between non-fall-through switch case blocks
Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx> --- Cc: Jan Beulich <jbeulich@xxxxxxxx> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- xen/arch/x86/cpu/mcheck/mce.c | 9 +++++++++ xen/arch/x86/cpu/mcheck/mce.h | 1 + xen/arch/x86/cpu/mcheck/mce_amd.c | 4 ++++ xen/arch/x86/cpu/mcheck/mce_intel.c | 6 ++++++ xen/arch/x86/cpu/mcheck/vmce.c | 18 ++++++++++++++++++ 5 files changed, 38 insertions(+) diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c index df2e3a4..52b5e29 100644 --- a/xen/arch/x86/cpu/mcheck/mce.c +++ b/xen/arch/x86/cpu/mcheck/mce.c @@ -594,10 +594,12 @@ int show_mca_info(int inited, struct cpuinfo_x86 *c) printk("%s%s machine check reporting enabled\n", prefix, type_str[inited]); break; + case mcheck_amd_famXX: printk("%s%s Fam%xh machine check reporting enabled\n", prefix, type_str[inited], c->x86); break; + case mcheck_none: printk("%sNo machine check initialization\n", prefix); break; @@ -703,10 +705,12 @@ static int cpu_callback( case CPU_UP_PREPARE: rc = cpu_bank_alloc(cpu); break; + case CPU_UP_CANCELED: case CPU_DEAD: cpu_bank_free(cpu); break; + default: break; } @@ -1516,6 +1520,7 @@ long do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc) printk("Not trigger MCE on all CPUs, may HANG!\n"); on_selected_cpus(cpumap, x86_mc_mceinject, NULL, 1); break; + case XEN_MC_INJECT_TYPE_CMCI: if ( !cmci_apic_vector ) ret = x86_mcerr( @@ -1527,6 +1532,7 @@ long do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc) send_IPI_mask(cpumap, cmci_apic_vector); } break; + default: ret = x86_mcerr("Wrong mca type\n", -EINVAL); break; @@ -1673,16 +1679,19 @@ static int mce_delayed_action(mctelem_cookie_t mctc) x86_mcinfo_dump(mctelem_dataptr(mctc)); panic("MCE: Software recovery failed for the UCR"); break; + case MCER_RECOVERED: dprintk(XENLOG_INFO, "MCE: Error is successfully recovered\n"); ret = 1; break; + case MCER_CONTINUE: dprintk(XENLOG_INFO, "MCE: Error can't be recovered, " "system is tainted\n"); x86_mcinfo_dump(mctelem_dataptr(mctc)); ret = 1; break; + default: ret = 0; break; diff --git a/xen/arch/x86/cpu/mcheck/mce.h b/xen/arch/x86/cpu/mcheck/mce.h index 7611789..32f85c7 100644 --- a/xen/arch/x86/cpu/mcheck/mce.h +++ b/xen/arch/x86/cpu/mcheck/mce.h @@ -158,6 +158,7 @@ static inline int mce_vendor_bank_msr(const struct vcpu *v, uint32_t msr) msr < MSR_IA32_MCx_CTL2(v->arch.vmce.mcg_cap & MCG_CAP_COUNT) ) return 1; break; + case X86_VENDOR_AMD: switch (msr) { case MSR_F10_MC4_MISC1: diff --git a/xen/arch/x86/cpu/mcheck/mce_amd.c b/xen/arch/x86/cpu/mcheck/mce_amd.c index c580a91..74e3473 100644 --- a/xen/arch/x86/cpu/mcheck/mce_amd.c +++ b/xen/arch/x86/cpu/mcheck/mce_amd.c @@ -121,9 +121,11 @@ mc_amd_recoverable_scan(uint64_t status) case MC_EC_BUS_TYPE: /* value in addr MSR is physical */ /* should run cpu offline action */ break; + case MC_EC_MEM_TYPE: /* value in addr MSR is physical */ ret = true; /* run memory page offline action */ break; + case MC_EC_TLB_TYPE: /* value in addr MSR is virtual */ /* should run tlb flush action and retry */ break; @@ -146,6 +148,7 @@ mc_amd_addrcheck(uint64_t status, uint64_t misc, int addrtype) case MC_EC_BUS_TYPE: /* value in addr MSR is physical */ case MC_EC_MEM_TYPE: /* value in addr MSR is physical */ return (addrtype == MC_ADDR_PHYSICAL); + case MC_EC_TLB_TYPE: /* value in addr MSR is virtual */ return (addrtype == MC_ADDR_VIRTUAL); } @@ -193,6 +196,7 @@ int mcequirk_amd_apply(enum mcequirk_amd_flags flags) wrmsrl(MSR_IA32_MCx_CTL(4), ~(1ULL << 10)); wrmsrl(MSR_IA32_MCx_STATUS(4), 0ULL); break; + case MCEQUIRK_F10_GART: if ( rdmsr_safe(MSR_AMD64_MCx_MASK(4), val) == 0 ) wrmsr_safe(MSR_AMD64_MCx_MASK(4), val | (1 << 10)); diff --git a/xen/arch/x86/cpu/mcheck/mce_intel.c b/xen/arch/x86/cpu/mcheck/mce_intel.c index 48f41d6..fe927f6 100644 --- a/xen/arch/x86/cpu/mcheck/mce_intel.c +++ b/xen/arch/x86/cpu/mcheck/mce_intel.c @@ -302,6 +302,7 @@ static void intel_srar_dhandler( case INTEL_SRAR_INSTR_FETCH: intel_memerr_dhandler(binfo, result, regs); break; + default: break; } @@ -330,6 +331,7 @@ static void intel_srao_dhandler( case INTEL_SRAO_L3_EWB: intel_memerr_dhandler(binfo, result, regs); break; + default: break; } @@ -378,6 +380,7 @@ static void intel_default_mce_uhandler( case intel_mce_fatal: *result = MCER_RESET; break; + default: *result = MCER_CONTINUE; break; @@ -843,14 +846,17 @@ static int cpu_callback( case CPU_UP_PREPARE: rc = cpu_mcabank_alloc(cpu); break; + case CPU_DYING: cpu_mcheck_disable(); break; + case CPU_UP_CANCELED: case CPU_DEAD: cpu_mcheck_distribute_cmci(); cpu_mcabank_free(cpu); break; + default: break; } diff --git a/xen/arch/x86/cpu/mcheck/vmce.c b/xen/arch/x86/cpu/mcheck/vmce.c index 01a5826..058bb91 100644 --- a/xen/arch/x86/cpu/mcheck/vmce.c +++ b/xen/arch/x86/cpu/mcheck/vmce.c @@ -113,6 +113,7 @@ static int bank_mce_rdmsr(const struct vcpu *v, uint32_t msr, uint64_t *val) mce_printk(MCE_VERBOSE, "MCE: %pv: rd MC%u_CTL %#"PRIx64"\n", v, bank, *val); break; + case MSR_IA32_MC0_STATUS: if ( bank < GUEST_MC_BANK_NUM ) { @@ -122,6 +123,7 @@ static int bank_mce_rdmsr(const struct vcpu *v, uint32_t msr, uint64_t *val) v, bank, *val); } break; + case MSR_IA32_MC0_ADDR: if ( bank < GUEST_MC_BANK_NUM ) { @@ -131,6 +133,7 @@ static int bank_mce_rdmsr(const struct vcpu *v, uint32_t msr, uint64_t *val) v, bank, *val); } break; + case MSR_IA32_MC0_MISC: if ( bank < GUEST_MC_BANK_NUM ) { @@ -140,15 +143,18 @@ static int bank_mce_rdmsr(const struct vcpu *v, uint32_t msr, uint64_t *val) v, bank, *val); } break; + default: switch ( boot_cpu_data.x86_vendor ) { case X86_VENDOR_INTEL: ret = vmce_intel_rdmsr(v, msr, val); break; + case X86_VENDOR_AMD: ret = vmce_amd_rdmsr(v, msr, val); break; + default: ret = 0; break; @@ -181,15 +187,18 @@ int vmce_rdmsr(uint32_t msr, uint64_t *val) mce_printk(MCE_VERBOSE, "MCE: %pv: rd MCG_STATUS %#"PRIx64"\n", cur, *val); break; + case MSR_IA32_MCG_CAP: *val = cur->arch.vmce.mcg_cap; mce_printk(MCE_VERBOSE, "MCE: %pv: rd MCG_CAP %#"PRIx64"\n", cur, *val); break; + case MSR_IA32_MCG_CTL: if ( cur->arch.vmce.mcg_cap & MCG_CTL_P ) *val = ~0ULL; mce_printk(MCE_VERBOSE, "MCE: %pv: rd MCG_CTL %#"PRIx64"\n", cur, *val); break; + default: ret = mce_bank_msr(cur, msr) ? bank_mce_rdmsr(cur, msr, val) : 0; break; @@ -217,6 +226,7 @@ static int bank_mce_wrmsr(struct vcpu *v, uint32_t msr, uint64_t val) * treat it as not implement and ignore write change it. */ break; + case MSR_IA32_MC0_STATUS: mce_printk(MCE_VERBOSE, "MCE: %pv: wr MC%u_STATUS %#"PRIx64"\n", v, bank, val); @@ -225,6 +235,7 @@ static int bank_mce_wrmsr(struct vcpu *v, uint32_t msr, uint64_t val) else if ( bank < GUEST_MC_BANK_NUM ) v->arch.vmce.bank[bank].mci_status = val; break; + case MSR_IA32_MC0_ADDR: mce_printk(MCE_VERBOSE, "MCE: %pv: wr MC%u_ADDR %#"PRIx64"\n", v, bank, val); @@ -233,6 +244,7 @@ static int bank_mce_wrmsr(struct vcpu *v, uint32_t msr, uint64_t val) else if ( bank < GUEST_MC_BANK_NUM ) v->arch.vmce.bank[bank].mci_addr = val; break; + case MSR_IA32_MC0_MISC: mce_printk(MCE_VERBOSE, "MCE: %pv: wr MC%u_MISC %#"PRIx64"\n", v, bank, val); @@ -241,15 +253,18 @@ static int bank_mce_wrmsr(struct vcpu *v, uint32_t msr, uint64_t val) else if ( bank < GUEST_MC_BANK_NUM ) v->arch.vmce.bank[bank].mci_misc = val; break; + default: switch ( boot_cpu_data.x86_vendor ) { case X86_VENDOR_INTEL: ret = vmce_intel_wrmsr(v, msr, val); break; + case X86_VENDOR_AMD: ret = vmce_amd_wrmsr(v, msr, val); break; + default: ret = 0; break; @@ -277,11 +292,13 @@ int vmce_wrmsr(uint32_t msr, uint64_t val) case MSR_IA32_MCG_CTL: /* If MCG_CTL exists then stick to all 1's, else ignore. */ break; + case MSR_IA32_MCG_STATUS: cur->arch.vmce.mcg_status = val; mce_printk(MCE_VERBOSE, "MCE: %pv: wr MCG_STATUS %"PRIx64"\n", cur, val); break; + case MSR_IA32_MCG_CAP: /* * According to Intel SDM, IA32_MCG_CAP is a read-only register, @@ -290,6 +307,7 @@ int vmce_wrmsr(uint32_t msr, uint64_t val) */ mce_printk(MCE_VERBOSE, "MCE: %pv: MCG_CAP is r/o\n", cur); break; + default: ret = mce_bank_msr(cur, msr) ? bank_mce_wrmsr(cur, msr, val) : 0; break; -- 2.10.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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