Adjust to comply with CODING_STYLE, at least where braces are concerned. Signed-off-by: Avi Kivity <avi@xxxxxxxxxx> --- qemu-kvm.c | 174 ++++++++++++++++++++++++++++++++++++++--------------------- 1 files changed, 112 insertions(+), 62 deletions(-) diff --git a/qemu-kvm.c b/qemu-kvm.c index c9818de..36f3a2e 100644 --- a/qemu-kvm.c +++ b/qemu-kvm.c @@ -201,8 +201,9 @@ int kvm_init(int smp_cpus) kvm_context->max_gsi = gsi_bits; /* Mark any over-allocated bits as already in use */ - for (i = gsi_count; i < gsi_bits; i++) + for (i = gsi_count; i < gsi_bits; i++) { set_gsi(kvm_context, i); + } } kvm_cpu_register_phys_memory_client(); @@ -296,8 +297,9 @@ static int kvm_set_boot_vcpu_id(kvm_context_t kvm, uint32_t id) { #ifdef KVM_CAP_SET_BOOT_CPU_ID int r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_SET_BOOT_CPU_ID); - if (r > 0) + if (r > 0) { return kvm_vm_ioctl(kvm_state, KVM_SET_BOOT_CPU_ID, id); + } return -ENOSYS; #else return -ENOSYS; @@ -352,8 +354,9 @@ void kvm_create_irqchip(kvm_context_t kvm) #if defined(KVM_CAP_IRQ_INJECT_STATUS) && defined(KVM_IRQ_LINE_STATUS) r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_IRQ_INJECT_STATUS); - if (r > 0) + if (r > 0) { kvm->irqchip_inject_ioctl = KVM_IRQ_LINE_STATUS; + } #endif kvm->irqchip_in_kernel = 1; } else @@ -369,17 +372,22 @@ int kvm_create(kvm_context_t kvm, unsigned long phys_mem_bytes, void **vm_mem) int r, i; r = kvm_create_vm(kvm); - if (r < 0) + if (r < 0) { return r; + } r = kvm_arch_create(kvm, phys_mem_bytes, vm_mem); - if (r < 0) + if (r < 0) { return r; - for (i = 0; i < ARRAY_SIZE(kvm_state->slots); i++) + } + for (i = 0; i < ARRAY_SIZE(kvm_state->slots); i++) { kvm_state->slots[i].slot = i; + } r = kvm_create_default_phys_mem(kvm, phys_mem_bytes, vm_mem); - if (r < 0) + if (r < 0) { return r; + } + kvm_create_irqchip(kvm); return 0; @@ -392,13 +400,15 @@ int kvm_set_irq_level(kvm_context_t kvm, int irq, int level, int *status) struct kvm_irq_level event; int r; - if (!kvm->irqchip_in_kernel) + if (!kvm->irqchip_in_kernel) { return 0; + } event.level = level; event.irq = irq; r = kvm_vm_ioctl(kvm_state, kvm->irqchip_inject_ioctl, &event); - if (r < 0) + if (r < 0) { perror("kvm_set_irq_level"); + } if (status) { #ifdef KVM_CAP_IRQ_INJECT_STATUS @@ -416,8 +426,9 @@ int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip) { int r; - if (!kvm->irqchip_in_kernel) + if (!kvm->irqchip_in_kernel) { return 0; + } r = kvm_vm_ioctl(kvm_state, KVM_GET_IRQCHIP, chip); if (r < 0) { perror("kvm_get_irqchip\n"); @@ -429,8 +440,9 @@ int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip) { int r; - if (!kvm->irqchip_in_kernel) + if (!kvm->irqchip_in_kernel) { return 0; + } r = kvm_vm_ioctl(kvm_state, KVM_SET_IRQCHIP, chip); if (r < 0) { perror("kvm_set_irqchip\n"); @@ -487,8 +499,9 @@ int kvm_get_mpstate(CPUState *env, struct kvm_mp_state *mp_state) int r; r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_MP_STATE); - if (r > 0) + if (r > 0) { return kvm_vcpu_ioctl(env, KVM_GET_MP_STATE, mp_state); + } return -ENOSYS; } @@ -497,8 +510,9 @@ int kvm_set_mpstate(CPUState *env, struct kvm_mp_state *mp_state) int r; r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_MP_STATE); - if (r > 0) + if (r > 0) { return kvm_vcpu_ioctl(env, KVM_SET_MP_STATE, mp_state); + } return -ENOSYS; } #endif @@ -534,8 +548,9 @@ static int handle_mmio(CPUState *env) void *data = kvm_run->mmio.data; /* hack: Red Hat 7.1 generates these weird accesses. */ - if ((addr > 0xa0000 - 4 && addr <= 0xa0000) && kvm_run->mmio.len == 3) + if ((addr > 0xa0000 - 4 && addr <= 0xa0000) && kvm_run->mmio.len == 3) { return 0; + } cpu_physical_memory_rw(addr, data, kvm_run->mmio.len, kvm_run->mmio.is_write); return 0; @@ -596,13 +611,15 @@ int kvm_run(CPUState *env) } push_nmi(kvm); #if !defined(__s390__) - if (!kvm->irqchip_in_kernel) + if (!kvm->irqchip_in_kernel) { run->request_interrupt_window = kvm_arch_try_push_interrupts(env); + } #endif r = pre_kvm_run(kvm, env); - if (r) + if (r) { return r; + } if (env->exit_request) { env->exit_request = 0; pthread_kill(env->kvm_cpu_state.thread, SIG_IPI); @@ -684,9 +701,10 @@ int kvm_run(CPUState *env) break; } } - more: - if (!r) +more: + if (!r) { goto again; + } return r; } @@ -822,13 +840,15 @@ int kvm_add_routing_entry(kvm_context_t kvm, if (kvm->irq_routes->nr == kvm->nr_allocated_irq_routes) { n = kvm->nr_allocated_irq_routes * 2; - if (n < 64) + if (n < 64) { n = 64; + } size = sizeof(struct kvm_irq_routing); size += n * sizeof(*new); z = realloc(kvm->irq_routes, size); - if (!z) + if (!z) { return -ENOMEM; + } kvm->nr_allocated_irq_routes = n; kvm->irq_routes = z; } @@ -910,8 +930,9 @@ int kvm_del_routing_entry(kvm_context_t kvm, if (e->gsi == gsi) break; } - if (i == kvm->irq_routes->nr) + if (i == kvm->irq_routes->nr) { clear_gsi(kvm, gsi); + } return 0; } @@ -1001,8 +1022,9 @@ int kvm_get_irq_route_gsi(kvm_context_t kvm) /* Return the lowest unused GSI in the bitmap */ for (i = 0; i < kvm->max_gsi / 32; i++) { bit = ffs(~buf[i]); - if (!bit) + if (!bit) { continue; + } return bit - 1 + i * 32; } @@ -1048,8 +1070,9 @@ int kvm_irqfd(kvm_context_t kvm, int gsi, int flags) return -ENOENT; fd = eventfd(0, 0); - if (fd < 0) + if (fd < 0) { return -errno; + } r = _kvm_irqfd(kvm, fd, gsi, 0); if (r < 0) { @@ -1132,18 +1155,20 @@ static void sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo, kvm_inject_x86_mce(first_cpu, 9, status, MCG_STATUS_MCIP | MCG_STATUS_RIPV, paddr, (MCM_ADDR_PHYS << 6) | 0xc, 1); - for (cenv = first_cpu->next_cpu; cenv != NULL; cenv = cenv->next_cpu) + for (cenv = first_cpu->next_cpu; cenv != NULL; cenv = cenv->next_cpu) { kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC, MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1); + } } else #endif { - if (siginfo->ssi_code == BUS_MCEERR_AO) + if (siginfo->ssi_code == BUS_MCEERR_AO) { return; - else if (siginfo->ssi_code == BUS_MCEERR_AR) + } else if (siginfo->ssi_code == BUS_MCEERR_AR) { hardware_memory_error(); - else + } else { sigbus_reraise(); + } } } @@ -1158,17 +1183,19 @@ static void on_vcpu(CPUState *env, void (*func)(void *data), void *data) wi.func = func; wi.data = data; - if (!env->kvm_cpu_state.queued_work_first) + if (!env->kvm_cpu_state.queued_work_first) { env->kvm_cpu_state.queued_work_first = &wi; - else + } else { env->kvm_cpu_state.queued_work_last->next = &wi; + } env->kvm_cpu_state.queued_work_last = &wi; wi.next = NULL; wi.done = false; pthread_kill(env->kvm_cpu_state.thread, SIG_IPI); - while (!wi.done) + while (!wi.done) { qemu_cond_wait(&qemu_work_cond); + } } static void do_kvm_cpu_synchronize_state(void *_env) @@ -1183,8 +1210,9 @@ static void do_kvm_cpu_synchronize_state(void *_env) void kvm_cpu_synchronize_state(CPUState *env) { - if (!env->kvm_vcpu_dirty) + if (!env->kvm_vcpu_dirty) { on_vcpu(env, do_kvm_cpu_synchronize_state, env); + } } void kvm_cpu_synchronize_post_reset(CPUState *env) @@ -1214,19 +1242,22 @@ void kvm_update_interrupt_request(CPUState *env) int signal = 0; if (env) { - if (!current_env || !current_env->created) + if (!current_env || !current_env->created) { signal = 1; + } /* * Testing for created here is really redundant */ if (current_env && current_env->created && - env != current_env && !env->kvm_cpu_state.signalled) + env != current_env && !env->kvm_cpu_state.signalled) { signal = 1; + } if (signal) { env->kvm_cpu_state.signalled = 1; - if (env->kvm_cpu_state.thread) + if (env->kvm_cpu_state.thread) { pthread_kill(env->kvm_cpu_state.thread, SIG_IPI); + } } } } @@ -1253,8 +1284,9 @@ static void flush_queued_work(CPUState *env) { struct qemu_work_item *wi; - if (!env->kvm_cpu_state.queued_work_first) + if (!env->kvm_cpu_state.queued_work_first) { return; + } while ((wi = env->kvm_cpu_state.queued_work_first)) { env->kvm_cpu_state.queued_work_first = wi->next; @@ -1273,8 +1305,9 @@ static int kvm_mce_in_exception(CPUState *env) int r; r = kvm_get_msrs(env, &msr_mcg_status, 1); - if (r == -1 || r == 0) + if (r == -1 || r == 0) { return -1; + } return !!(msr_mcg_status.data & MCG_STATUS_MCIP); } @@ -1303,10 +1336,11 @@ static void kvm_on_sigbus(CPUState *env, siginfo_t *siginfo) * this SRAO MCE */ r = kvm_mce_in_exception(env); - if (r == -1) + if (r == -1) { fprintf(stderr, "Failed to get MCE status\n"); - else if (r) + } else if (r) { return; + } /* Fake an Intel architectural Memory scrubbing UCR */ mce.status = MCI_STATUS_VAL | MCI_STATUS_UC | MCI_STATUS_EN | MCI_STATUS_MISCV | MCI_STATUS_ADDRV | MCI_STATUS_S @@ -1318,10 +1352,11 @@ static void kvm_on_sigbus(CPUState *env, siginfo_t *siginfo) fprintf(stderr, "Hardware memory error for memory used by " "QEMU itself instaed of guest system!\n"); /* Hope we are lucky for AO MCE */ - if (siginfo->si_code == BUS_MCEERR_AO) + if (siginfo->si_code == BUS_MCEERR_AO) { return; - else + } else { hardware_memory_error(); + } } mce.addr = paddr; r = kvm_set_mce(env, &mce); @@ -1332,12 +1367,13 @@ static void kvm_on_sigbus(CPUState *env, siginfo_t *siginfo) } else #endif { - if (siginfo->si_code == BUS_MCEERR_AO) + if (siginfo->si_code == BUS_MCEERR_AO) { return; - else if (siginfo->si_code == BUS_MCEERR_AR) + } else if (siginfo->si_code == BUS_MCEERR_AR) { hardware_memory_error(); - else + } else { sigbus_reraise(); + } } } @@ -1400,8 +1436,9 @@ static int all_threads_paused(void) CPUState *penv = first_cpu; while (penv) { - if (penv->stop) + if (penv->stop) { return 0; + } penv = (CPUState *) penv->next_cpu; } @@ -1424,8 +1461,9 @@ static void pause_all_threads(void) penv = (CPUState *) penv->next_cpu; } - while (!all_threads_paused()) + while (!all_threads_paused()) { qemu_cond_wait(&qemu_pause_cond); + } } static void resume_all_threads(void) @@ -1444,10 +1482,11 @@ static void resume_all_threads(void) static void kvm_vm_state_change_handler(void *context, int running, int reason) { - if (running) + if (running) { resume_all_threads(); - else + } else { pause_all_threads(); + } } static void setup_kernel_sigmask(CPUState *env) @@ -1532,8 +1571,9 @@ static void *ap_main_loop(void *_env) pthread_cond_signal(&qemu_vcpu_cond); /* and wait for machine initialization */ - while (!qemu_system_ready) + while (!qemu_system_ready) { qemu_cond_wait(&qemu_system_cond); + } /* re-initialize cpu_single_env after re-acquiring qemu_mutex */ cpu_single_env = env; @@ -1546,8 +1586,9 @@ int kvm_init_vcpu(CPUState *env) { pthread_create(&env->kvm_cpu_state.thread, NULL, ap_main_loop, env); - while (env->created == 0) + while (env->created == 0) { qemu_cond_wait(&qemu_vcpu_cond); + } return 0; } @@ -1599,8 +1640,9 @@ void qemu_kvm_notify_work(void) static uint64_t val = 1; ssize_t ret; - if (io_thread_fd == -1) + if (io_thread_fd == -1) { return; + } do { ret = write(io_thread_fd, &val, sizeof(val)); @@ -1631,8 +1673,9 @@ static void sigfd_handler(void *opaque) len = read(fd, &info, sizeof(info)); } while (len == -1 && errno == EINTR); - if (len == -1 && errno == EAGAIN) + if (len == -1 && errno == EAGAIN) { break; + } if (len != sizeof(info)) { printf("read from sigfd returned %zd: %m\n", len); @@ -1640,12 +1683,12 @@ static void sigfd_handler(void *opaque) } sigaction(info.ssi_signo, NULL, &action); - if ((action.sa_flags & SA_SIGINFO) && action.sa_sigaction) + if ((action.sa_flags & SA_SIGINFO) && action.sa_sigaction) { action.sa_sigaction(info.ssi_signo, (siginfo_t *)&info, NULL); - else if (action.sa_handler) + } else if (action.sa_handler) { action.sa_handler(info.ssi_signo); - + } } } @@ -1712,8 +1755,9 @@ int kvm_main_loop(void) monitor_protocol_event(QEVENT_SHUTDOWN, NULL); if (qemu_no_shutdown()) { vm_stop(0); - } else + } else { break; + } } else if (qemu_powerdown_requested()) { monitor_protocol_event(QEVENT_POWERDOWN, NULL); qemu_irq_raise(qemu_system_powerdown); @@ -1840,14 +1884,16 @@ static void kvm_mutex_lock(void) void qemu_mutex_unlock_iothread(void) { - if (kvm_enabled()) + if (kvm_enabled()) { kvm_mutex_unlock(); + } } void qemu_mutex_lock_iothread(void) { - if (kvm_enabled()) + if (kvm_enabled()) { kvm_mutex_lock(); + } } #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT @@ -1875,8 +1921,9 @@ void kvm_remove_ioperm_data(unsigned long start_port, unsigned long num) void kvm_ioperm(CPUState *env, void *data) { - if (kvm_enabled() && qemu_system_ready) + if (kvm_enabled() && qemu_system_ready) { on_vcpu(env, kvm_arch_do_ioperm, data); + } } #endif @@ -1901,15 +1948,17 @@ static void kvm_do_inject_x86_mce(void *_data) /* If there is an MCE excpetion being processed, ignore this SRAO MCE */ r = kvm_mce_in_exception(data->env); - if (r == -1) + if (r == -1) { fprintf(stderr, "Failed to get MCE status\n"); - else if (r && !(data->mce->status & MCI_STATUS_AR)) + } else if (r && !(data->mce->status & MCI_STATUS_AR)) { return; + } r = kvm_set_mce(data->env, data->mce); if (r < 0) { perror("kvm_set_mce FAILED"); - if (data->abort_on_error) + if (data->abort_on_error) { abort(); + } } } #endif @@ -1938,8 +1987,9 @@ void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, } on_vcpu(cenv, kvm_do_inject_x86_mce, &data); #else - if (abort_on_error) + if (abort_on_error) { abort(); + } #endif } #endif -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html