diff options
| -rw-r--r-- | include/sysemu/kvm.h | 1 | ||||
| -rw-r--r-- | kvm-all.c | 9 | ||||
| -rw-r--r-- | target/arm/kvm.c | 5 | ||||
| -rw-r--r-- | target/i386/kvm.c | 40 | ||||
| -rw-r--r-- | target/mips/kvm.c | 6 | ||||
| -rw-r--r-- | target/ppc/kvm.c | 5 | ||||
| -rw-r--r-- | target/s390x/kvm.c | 5 |
7 files changed, 13 insertions, 58 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 3045ee7..6ecb61c 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -358,7 +358,6 @@ bool kvm_vcpu_id_is_valid(int vcpu_id); unsigned long kvm_arch_vcpu_id(CPUState *cpu); int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); -int kvm_arch_on_sigbus(int code, void *addr); void kvm_arch_init_irq_routing(KVMState *s); @@ -2391,6 +2391,7 @@ int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset) return r; } + int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) { return kvm_arch_on_sigbus_vcpu(cpu, code, addr); @@ -2398,7 +2399,13 @@ int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) int kvm_on_sigbus(int code, void *addr) { - return kvm_arch_on_sigbus(code, addr); + /* Action required MCE kills the process if SIGBUS is blocked. Because + * that's what happens in the I/O thread, where we handle MCE via signalfd, + * we can only get action optional here. + */ + assert(code != BUS_MCEERR_AR); + kvm_arch_on_sigbus_vcpu(first_cpu, code, addr); + return 0; } int kvm_create_device(KVMState *s, uint64_t type, bool test) diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 395e986..e5218f6 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -565,11 +565,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *cs, int code, void *addr) return 1; } -int kvm_arch_on_sigbus(int code, void *addr) -{ - return 1; -} - /* The #ifdef protections are until 32bit headers are imported and can * be removed once both 32 and 64 bit reach feature parity. */ diff --git a/target/i386/kvm.c b/target/i386/kvm.c index f49a786..2adf992 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -462,14 +462,13 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr) ram_addr_t ram_addr; hwaddr paddr; + /* If we get an action required MCE, it has been injected by KVM + * while the VM was running. An action optional MCE instead should + * be coming from the main thread, which qemu_init_sigbus identifies + * as the "early kill" thread. + */ assert(code == BUS_MCEERR_AR || code == BUS_MCEERR_AO); - /* Because the MCE happened while running the VCPU, KVM could have - * injected action required MCEs too. Action optional MCEs should - * be delivered to the main thread, which qemu_init_sigbus identifies - * as the "early kill" thread, but if we get one for whatever reason - * we just handle it just like the main thread would. - */ if ((env->mcg_cap & MCG_SER_P) && addr) { ram_addr = qemu_ram_addr_from_host(addr); if (ram_addr != RAM_ADDR_INVALID && @@ -491,35 +490,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr) return 0; } -int kvm_arch_on_sigbus(int code, void *addr) -{ - X86CPU *cpu = X86_CPU(first_cpu); - - assert(code == BUS_MCEERR_AR || code == BUS_MCEERR_AO); - - if (code == BUS_MCEERR_AR) { - hardware_memory_error(); - } - - /* Hope we are lucky for AO MCE */ - if ((cpu->env.mcg_cap & MCG_SER_P) && addr) { - ram_addr_t ram_addr; - hwaddr paddr; - - ram_addr = qemu_ram_addr_from_host(addr); - if (ram_addr != RAM_ADDR_INVALID && - kvm_physical_memory_addr_from_host(first_cpu->kvm_state, - addr, &paddr)) { - kvm_hwpoison_page_add(ram_addr); - kvm_mce_inject(X86_CPU(first_cpu), paddr, code); - } - - fprintf(stderr, "Hardware memory error for memory used by " - "QEMU itself instead of guest system!: %p\n", addr); - } - return 0; -} - static int kvm_inject_mce_oldstyle(X86CPU *cpu) { CPUX86State *env = &cpu->env; diff --git a/target/mips/kvm.c b/target/mips/kvm.c index 998c341..3e686e7 100644 --- a/target/mips/kvm.c +++ b/target/mips/kvm.c @@ -186,12 +186,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *cs, int code, void *addr) return 1; } -int kvm_arch_on_sigbus(int code, void *addr) -{ - DPRINTF("%s\n", __func__); - return 1; -} - void kvm_arch_init_irq_routing(KVMState *s) { } diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index acc40ec..75598cd 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2587,11 +2587,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) return 1; } -int kvm_arch_on_sigbus(int code, void *addr) -{ - return 1; -} - void kvm_arch_init_irq_routing(KVMState *s) { } diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 5ec050c..e7eea6d 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -2145,11 +2145,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) return 1; } -int kvm_arch_on_sigbus(int code, void *addr) -{ - return 1; -} - void kvm_s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, uint32_t io_int_parm, uint32_t io_int_word) |