diff options
46 files changed, 456 insertions, 109 deletions
diff --git a/.gitlab-ci.d/crossbuild-template.yml b/.gitlab-ci.d/crossbuild-template.yml index 5e8892fd49..6d709628f1 100644 --- a/.gitlab-ci.d/crossbuild-template.yml +++ b/.gitlab-ci.d/crossbuild-template.yml @@ -6,8 +6,7 @@ script: - mkdir build - cd build - - PKG_CONFIG_PATH=$PKG_CONFIG_PATH - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS + - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS --disable-user --target-list-exclude="arm-softmmu cris-softmmu i386-softmmu microblaze-softmmu mips-softmmu mipsel-softmmu mips64-softmmu ppc-softmmu riscv32-softmmu sh4-softmmu @@ -32,8 +31,7 @@ script: - mkdir build - cd build - - PKG_CONFIG_PATH=$PKG_CONFIG_PATH - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS + - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS --disable-tools --enable-${ACCEL:-kvm} $EXTRA_CONFIGURE_OPTS - make -j$(expr $(nproc) + 1) all check-build $MAKE_CHECK_ARGS @@ -44,8 +42,7 @@ script: - mkdir build - cd build - - PKG_CONFIG_PATH=$PKG_CONFIG_PATH - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS + - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS --disable-system --target-list-exclude="aarch64_be-linux-user alpha-linux-user cris-linux-user m68k-linux-user microblazeel-linux-user nios2-linux-user or1k-linux-user ppc-linux-user sparc-linux-user diff --git a/accel/accel-blocker.c b/accel/accel-blocker.c new file mode 100644 index 0000000000..1e7f423462 --- /dev/null +++ b/accel/accel-blocker.c @@ -0,0 +1,154 @@ +/* + * Lock to inhibit accelerator ioctls + * + * Copyright (c) 2022 Red Hat Inc. + * + * Author: Emanuele Giuseppe Esposito <eesposit@redhat.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "qemu/thread.h" +#include "qemu/main-loop.h" +#include "hw/core/cpu.h" +#include "sysemu/accel-blocker.h" + +static QemuLockCnt accel_in_ioctl_lock; +static QemuEvent accel_in_ioctl_event; + +void accel_blocker_init(void) +{ + qemu_lockcnt_init(&accel_in_ioctl_lock); + qemu_event_init(&accel_in_ioctl_event, false); +} + +void accel_ioctl_begin(void) +{ + if (likely(qemu_mutex_iothread_locked())) { + return; + } + + /* block if lock is taken in kvm_ioctl_inhibit_begin() */ + qemu_lockcnt_inc(&accel_in_ioctl_lock); +} + +void accel_ioctl_end(void) +{ + if (likely(qemu_mutex_iothread_locked())) { + return; + } + + qemu_lockcnt_dec(&accel_in_ioctl_lock); + /* change event to SET. If event was BUSY, wake up all waiters */ + qemu_event_set(&accel_in_ioctl_event); +} + +void accel_cpu_ioctl_begin(CPUState *cpu) +{ + if (unlikely(qemu_mutex_iothread_locked())) { + return; + } + + /* block if lock is taken in kvm_ioctl_inhibit_begin() */ + qemu_lockcnt_inc(&cpu->in_ioctl_lock); +} + +void accel_cpu_ioctl_end(CPUState *cpu) +{ + if (unlikely(qemu_mutex_iothread_locked())) { + return; + } + + qemu_lockcnt_dec(&cpu->in_ioctl_lock); + /* change event to SET. If event was BUSY, wake up all waiters */ + qemu_event_set(&accel_in_ioctl_event); +} + +static bool accel_has_to_wait(void) +{ + CPUState *cpu; + bool needs_to_wait = false; + + CPU_FOREACH(cpu) { + if (qemu_lockcnt_count(&cpu->in_ioctl_lock)) { + /* exit the ioctl, if vcpu is running it */ + qemu_cpu_kick(cpu); + needs_to_wait = true; + } + } + + return needs_to_wait || qemu_lockcnt_count(&accel_in_ioctl_lock); +} + +void accel_ioctl_inhibit_begin(void) +{ + CPUState *cpu; + + /* + * We allow to inhibit only when holding the BQL, so we can identify + * when an inhibitor wants to issue an ioctl easily. + */ + g_assert(qemu_mutex_iothread_locked()); + + /* Block further invocations of the ioctls outside the BQL. */ + CPU_FOREACH(cpu) { + qemu_lockcnt_lock(&cpu->in_ioctl_lock); + } + qemu_lockcnt_lock(&accel_in_ioctl_lock); + + /* Keep waiting until there are running ioctls */ + while (true) { + + /* Reset event to FREE. */ + qemu_event_reset(&accel_in_ioctl_event); + + if (accel_has_to_wait()) { + /* + * If event is still FREE, and there are ioctls still in progress, + * wait. + * + * If an ioctl finishes before qemu_event_wait(), it will change + * the event state to SET. This will prevent qemu_event_wait() from + * blocking, but it's not a problem because if other ioctls are + * still running the loop will iterate once more and reset the event + * status to FREE so that it can wait properly. + * + * If an ioctls finishes while qemu_event_wait() is blocking, then + * it will be waken up, but also here the while loop makes sure + * to re-enter the wait if there are other running ioctls. + */ + qemu_event_wait(&accel_in_ioctl_event); + } else { + /* No ioctl is running */ + return; + } + } +} + +void accel_ioctl_inhibit_end(void) +{ + CPUState *cpu; + + qemu_lockcnt_unlock(&accel_in_ioctl_lock); + CPU_FOREACH(cpu) { + qemu_lockcnt_unlock(&cpu->in_ioctl_lock); + } +} + diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index e86c33e0e6..7e6a6076b1 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -31,6 +31,7 @@ #include "sysemu/kvm_int.h" #include "sysemu/runstate.h" #include "sysemu/cpus.h" +#include "sysemu/accel-blocker.h" #include "qemu/bswap.h" #include "exec/memory.h" #include "exec/ram_addr.h" @@ -46,6 +47,7 @@ #include "sysemu/hw_accel.h" #include "kvm-cpus.h" #include "sysemu/dirtylimit.h" +#include "qemu/range.h" #include "hw/boards.h" #include "monitor/stats.h" @@ -1292,6 +1294,7 @@ void kvm_set_max_memslot_size(hwaddr max_slot_size) kvm_max_slot_size = max_slot_size; } +/* Called with KVMMemoryListener.slots_lock held */ static void kvm_set_phys_mem(KVMMemoryListener *kml, MemoryRegionSection *section, bool add) { @@ -1326,14 +1329,12 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml, ram = memory_region_get_ram_ptr(mr) + mr_offset; ram_start_offset = memory_region_get_ram_addr(mr) + mr_offset; - kvm_slots_lock(); - if (!add) { do { slot_size = MIN(kvm_max_slot_size, size); mem = kvm_lookup_matching_slot(kml, start_addr, slot_size); if (!mem) { - goto out; + return; } if (mem->flags & KVM_MEM_LOG_DIRTY_PAGES) { /* @@ -1371,7 +1372,7 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml, start_addr += slot_size; size -= slot_size; } while (size); - goto out; + return; } /* register the new slot */ @@ -1396,9 +1397,6 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml, ram += slot_size; size -= slot_size; } while (size); - -out: - kvm_slots_unlock(); } static void *kvm_dirty_ring_reaper_thread(void *data) @@ -1455,18 +1453,95 @@ static void kvm_region_add(MemoryListener *listener, MemoryRegionSection *section) { KVMMemoryListener *kml = container_of(listener, KVMMemoryListener, listener); + KVMMemoryUpdate *update; + + update = g_new0(KVMMemoryUpdate, 1); + update->section = *section; - memory_region_ref(section->mr); - kvm_set_phys_mem(kml, section, true); + QSIMPLEQ_INSERT_TAIL(&kml->transaction_add, update, next); } static void kvm_region_del(MemoryListener *listener, MemoryRegionSection *section) { KVMMemoryListener *kml = container_of(listener, KVMMemoryListener, listener); + KVMMemoryUpdate *update; + + update = g_new0(KVMMemoryUpdate, 1); + update->section = *section; + + QSIMPLEQ_INSERT_TAIL(&kml->transaction_del, update, next); +} + +static void kvm_region_commit(MemoryListener *listener) +{ + KVMMemoryListener *kml = container_of(listener, KVMMemoryListener, + listener); + KVMMemoryUpdate *u1, *u2; + bool need_inhibit = false; + + if (QSIMPLEQ_EMPTY(&kml->transaction_add) && + QSIMPLEQ_EMPTY(&kml->transaction_del)) { + return; + } + + /* + * We have to be careful when regions to add overlap with ranges to remove. + * We have to simulate atomic KVM memslot updates by making sure no ioctl() + * is currently active. + * + * The lists are order by addresses, so it's easy to find overlaps. + */ + u1 = QSIMPLEQ_FIRST(&kml->transaction_del); + u2 = QSIMPLEQ_FIRST(&kml->transaction_add); + while (u1 && u2) { + Range r1, r2; + + range_init_nofail(&r1, u1->section.offset_within_address_space, + int128_get64(u1->section.size)); + range_init_nofail(&r2, u2->section.offset_within_address_space, + int128_get64(u2->section.size)); + + if (range_overlaps_range(&r1, &r2)) { + need_inhibit = true; + break; + } + if (range_lob(&r1) < range_lob(&r2)) { + u1 = QSIMPLEQ_NEXT(u1, next); + } else { + u2 = QSIMPLEQ_NEXT(u2, next); + } + } + + kvm_slots_lock(); + if (need_inhibit) { + accel_ioctl_inhibit_begin(); + } + + /* Remove all memslots before adding the new ones. */ + while (!QSIMPLEQ_EMPTY(&kml->transaction_del)) { + u1 = QSIMPLEQ_FIRST(&kml->transaction_del); + QSIMPLEQ_REMOVE_HEAD(&kml->transaction_del, next); - kvm_set_phys_mem(kml, section, false); - memory_region_unref(section->mr); + kvm_set_phys_mem(kml, &u1->section, false); + memory_region_unref(u1->section.mr); + + g_free(u1); + } + while (!QSIMPLEQ_EMPTY(&kml->transaction_add)) { + u1 = QSIMPLEQ_FIRST(&kml->transaction_add); + QSIMPLEQ_REMOVE_HEAD(&kml->transaction_add, next); + + memory_region_ref(u1->section.mr); + kvm_set_phys_mem(kml, &u1->section, true); + + g_free(u1); + } + + if (need_inhibit) { + accel_ioctl_inhibit_end(); + } + kvm_slots_unlock(); } static void kvm_log_sync(MemoryListener *listener, @@ -1610,8 +1685,12 @@ void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml, kml->slots[i].slot = i; } + QSIMPLEQ_INIT(&kml->transaction_add); + QSIMPLEQ_INIT(&kml->transaction_del); + kml->listener.region_add = kvm_region_add; kml->listener.region_del = kvm_region_del; + kml->listener.commit = kvm_region_commit; kml->listener.log_start = kvm_log_start; kml->listener.log_stop = kvm_log_stop; kml->listener.priority = 10; @@ -2310,6 +2389,7 @@ static int kvm_init(MachineState *ms) assert(TARGET_PAGE_SIZE <= qemu_real_host_page_size()); s->sigmask_len = 8; + accel_blocker_init(); #ifdef KVM_CAP_SET_GUEST_DEBUG QTAILQ_INIT(&s->kvm_sw_breakpoints); @@ -3014,7 +3094,9 @@ int kvm_vm_ioctl(KVMState *s, int type, ...) va_end(ap); trace_kvm_vm_ioctl(type, arg); + accel_ioctl_begin(); ret = ioctl(s->vmfd, type, arg); + accel_ioctl_end(); if (ret == -1) { ret = -errno; } @@ -3032,7 +3114,9 @@ int kvm_vcpu_ioctl(CPUState *cpu, int type, ...) va_end(ap); trace_kvm_vcpu_ioctl(cpu->cpu_index, type, arg); + accel_cpu_ioctl_begin(cpu); ret = ioctl(cpu->kvm_fd, type, arg); + accel_cpu_ioctl_end(cpu); if (ret == -1) { ret = -errno; } @@ -3050,7 +3134,9 @@ int kvm_device_ioctl(int fd, int type, ...) va_end(ap); trace_kvm_device_ioctl(fd, type, arg); + accel_ioctl_begin(); ret = ioctl(fd, type, arg); + accel_ioctl_end(); if (ret == -1) { ret = -errno; } diff --git a/accel/meson.build b/accel/meson.build index 3a480cc2ef..49558dd232 100644 --- a/accel/meson.build +++ b/accel/meson.build @@ -1,4 +1,4 @@ -specific_ss.add(files('accel-common.c')) +specific_ss.add(files('accel-common.c', 'accel-blocker.c')) softmmu_ss.add(files('accel-softmmu.c')) user_ss.add(files('accel-user.c')) diff --git a/chardev/char-parallel.c b/chardev/char-parallel.c index 05e7efbd6c..a5164f975a 100644 --- a/chardev/char-parallel.c +++ b/chardev/char-parallel.c @@ -238,7 +238,6 @@ static void qemu_chr_open_pp_fd(Chardev *chr, } #endif -#ifdef HAVE_CHARDEV_PARPORT static void qmp_chardev_open_parallel(Chardev *chr, ChardevBackend *backend, bool *be_opened, @@ -276,29 +275,21 @@ static void char_parallel_class_init(ObjectClass *oc, void *data) cc->parse = qemu_chr_parse_parallel; cc->open = qmp_chardev_open_parallel; -#if defined(__linux__) - cc->chr_ioctl = pp_ioctl; -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ - defined(__DragonFly__) cc->chr_ioctl = pp_ioctl; -#endif } static void char_parallel_finalize(Object *obj) { -#if defined(__linux__) Chardev *chr = CHARDEV(obj); ParallelChardev *drv = PARALLEL_CHARDEV(chr); int fd = drv->fd; +#if defined(__linux__) pp_hw_mode(drv, IEEE1284_MODE_COMPAT); ioctl(fd, PPRELEASE); +#endif close(fd); qemu_chr_be_event(chr, CHR_EVENT_CLOSED); -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ - defined(__DragonFly__) - /* FIXME: close fd? */ -#endif } static const TypeInfo char_parallel_type_info = { @@ -315,5 +306,3 @@ static void register_types(void) } type_init(register_types); - -#endif diff --git a/chardev/meson.build b/chardev/meson.build index 664f77b887..789b50056a 100644 --- a/chardev/meson.build +++ b/chardev/meson.build @@ -14,9 +14,12 @@ chardev_ss.add(files( )) chardev_ss.add(when: 'CONFIG_POSIX', if_true: [files( 'char-fd.c', - 'char-parallel.c', 'char-pty.c', ), util]) +if targetos in ['linux', 'gnu/kfreebsd', 'freebsd', 'dragonfly'] + chardev_ss.add(files('char-parallel.c')) +endif + chardev_ss.add(when: 'CONFIG_WIN32', if_true: files( 'char-console.c', 'char-win-stdio.c', diff --git a/configure b/configure index 2281892657..9e407ce2e3 100755 --- a/configure +++ b/configure @@ -1183,6 +1183,7 @@ add_to warn_flags -Wnested-externs add_to warn_flags -Wendif-labels add_to warn_flags -Wexpansion-to-defined add_to warn_flags -Wimplicit-fallthrough=2 +add_to warn_flags -Wmissing-format-attribute nowarn_flags= add_to nowarn_flags -Wno-initializer-overrides @@ -2375,7 +2376,7 @@ echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak echo "GLIB_LIBS=$glib_libs" >> $config_host_mak echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak -echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak +echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak echo "EXESUF=$EXESUF" >> $config_host_mak @@ -2567,16 +2568,6 @@ if test "$skip_meson" = no; then if test "$?" -ne 0 ; then error_exit "meson setup failed" fi -else - if test -f meson-private/cmd_line.txt; then - # Adjust old command line options whose type was changed - # Avoids having to use "setup --wipe" when Meson is upgraded - perl -i -ne ' - s/^gettext = true$/gettext = auto/; - s/^gettext = false$/gettext = disabled/; - /^b_staticpic/ && next; - print;' meson-private/cmd_line.txt - fi fi # Save the configure command line for later reuse. diff --git a/disas.c b/disas.c index 94d3b45042..3b31315f40 100644 --- a/disas.c +++ b/disas.c @@ -239,7 +239,8 @@ void target_disas(FILE *out, CPUState *cpu, target_ulong code, } } -static int gstring_printf(FILE *stream, const char *fmt, ...) +static int G_GNUC_PRINTF(2, 3) +gstring_printf(FILE *stream, const char *fmt, ...) { /* We abuse the FILE parameter to pass a GString. */ GString *s = (GString *)stream; diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index b177e761f0..5ccc3837b6 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -238,6 +238,7 @@ static void cpu_common_initfn(Object *obj) cpu->cflags_next_tb = -1; qemu_mutex_init(&cpu->work_mutex); + qemu_lockcnt_init(&cpu->in_ioctl_lock); QSIMPLEQ_INIT(&cpu->work_list); QTAILQ_INIT(&cpu->breakpoints); QTAILQ_INIT(&cpu->watchpoints); @@ -249,6 +250,7 @@ static void cpu_common_finalize(Object *obj) { CPUState *cpu = CPU(obj); + qemu_lockcnt_destroy(&cpu->in_ioctl_lock); qemu_mutex_destroy(&cpu->work_mutex); } diff --git a/hw/display/meson.build b/hw/display/meson.build index 7a725ed80e..f860c2c562 100644 --- a/hw/display/meson.build +++ b/hw/display/meson.build @@ -73,10 +73,12 @@ if config_all_devices.has_key('CONFIG_VIRTIO_GPU') virtio_gpu_ss.add(when: 'CONFIG_VHOST_USER_GPU', if_true: files('vhost-user-gpu.c')) hw_display_modules += {'virtio-gpu': virtio_gpu_ss} - virtio_gpu_gl_ss = ss.source_set() - virtio_gpu_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', virgl, opengl], - if_true: [files('virtio-gpu-gl.c', 'virtio-gpu-virgl.c'), pixman, virgl]) - hw_display_modules += {'virtio-gpu-gl': virtio_gpu_gl_ss} + if virgl.found() and opengl.found() + virtio_gpu_gl_ss = ss.source_set() + virtio_gpu_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', virgl, opengl], + if_true: [files('virtio-gpu-gl.c', 'virtio-gpu-virgl.c'), pixman, virgl]) + hw_display_modules += {'virtio-gpu-gl': virtio_gpu_gl_ss} + endif endif if config_all_devices.has_key('CONFIG_VIRTIO_PCI') @@ -87,10 +89,12 @@ if config_all_devices.has_key('CONFIG_VIRTIO_PCI') if_true: files('vhost-user-gpu-pci.c')) hw_display_modules += {'virtio-gpu-pci': virtio_gpu_pci_ss} - virtio_gpu_pci_gl_ss = ss.source_set() - virtio_gpu_pci_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRTIO_PCI', virgl, opengl], - if_true: [files('virtio-gpu-pci-gl.c'), pixman]) - hw_display_modules += {'virtio-gpu-pci-gl': virtio_gpu_pci_gl_ss} + if virgl.found() and opengl.found() + virtio_gpu_pci_gl_ss = ss.source_set() + virtio_gpu_pci_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRTIO_PCI', virgl, opengl], + if_true: [files('virtio-gpu-pci-gl.c'), pixman]) + hw_display_modules += {'virtio-gpu-pci-gl': virtio_gpu_pci_gl_ss} + endif endif if config_all_devices.has_key('CONFIG_VIRTIO_VGA') diff --git a/hw/xen/xen-bus.c b/hw/xen/xen-bus.c index 645a29a5a0..df3f6b9ae0 100644 --- a/hw/xen/xen-bus.c +++ b/hw/xen/xen-bus.c @@ -561,6 +561,7 @@ void xen_device_backend_printf(XenDevice *xendev, const char *key, } } +G_GNUC_SCANF(3, 4) static int xen_device_backend_scanf(XenDevice *xendev, const char *key, const char *fmt, ...) { diff --git a/hw/xen/xen_pvdev.c b/hw/xen/xen_pvdev.c index 037152f063..1a5177b354 100644 --- a/hw/xen/xen_pvdev.c +++ b/hw/xen/xen_pvdev.c @@ -196,6 +196,7 @@ const char *xenbus_strstate(enum xenbus_state state) * 2 == noisy debug messages (logfile only). * 3 == will flood your log (logfile only). */ +G_GNUC_PRINTF(3, 0) static void xen_pv_output_msg(struct XenLegacyDevice *xendev, FILE *f, const char *fmt, va_list args) { diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 8830546121..2417597236 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -398,6 +398,9 @@ struct CPUState { uint32_t kvm_fetch_index; uint64_t dirty_pages; + /* Use by accel-block: CPU is executing an ioctl() */ + QemuLockCnt in_ioctl_lock; + /* Used for events with 'vcpu' and *without* the 'disabled' properties */ DECLARE_BITMAP(trace_dstate_delayed, CPU_TRACE_DSTATE_MAX_EVENTS); DECLARE_BITMAP(trace_dstate, CPU_TRACE_DSTATE_MAX_EVENTS); diff --git a/include/hw/xen/xen-bus-helper.h b/include/hw/xen/xen-bus-helper.h index 629a904d1a..8782f30550 100644 --- a/include/hw/xen/xen-bus-helper.h +++ b/include/hw/xen/xen-bus-helper.h @@ -31,10 +31,12 @@ void xs_node_printf(struct xs_handle *xsh, xs_transaction_t tid, /* Read from node/key unless node is empty, in which case read from key */ int xs_node_vscanf(struct xs_handle *xsh, xs_transaction_t tid, const char *node, const char *key, Error **errp, - const char *fmt, va_list ap); + const char *fmt, va_list ap) + G_GNUC_SCANF(6, 0); int xs_node_scanf(struct xs_handle *xsh, xs_transaction_t tid, const char *node, const char *key, Error **errp, - const char *fmt, ...); + const char *fmt, ...) + G_GNUC_SCANF(6, 7); /* Watch node/key unless node is empty, in which case watch key */ void xs_node_watch(struct xs_handle *xsh, const char *node, const char *key, diff --git a/include/hw/xen/xen-bus.h b/include/hw/xen/xen-bus.h index 713e763348..4d966a2dbb 100644 --- a/include/hw/xen/xen-bus.h +++ b/include/hw/xen/xen-bus.h @@ -94,7 +94,8 @@ void xen_device_frontend_printf(XenDevice *xendev, const char *key, G_GNUC_PRINTF(3, 4); int xen_device_frontend_scanf(XenDevice *xendev, const char *key, - const char *fmt, ...); + const char *fmt, ...) + G_GNUC_SCANF(3, 4); void xen_device_set_max_grant_refs(XenDevice *xendev, unsigned int nr_refs, Error **errp); diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 7d059ad526..bd23a08595 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -427,11 +427,6 @@ void qemu_anon_ram_free(void *ptr, size_t size); #define HAVE_CHARDEV_SERIAL 1 #endif -#if defined(__linux__) || defined(__FreeBSD__) || \ - defined(__FreeBSD_kernel__) || defined(__DragonFly__) -#define HAVE_CHARDEV_PARPORT 1 -#endif - #if defined(__HAIKU__) #define SIGIO SIGPOLL #endif diff --git a/include/sysemu/accel-blocker.h b/include/sysemu/accel-blocker.h new file mode 100644 index 0000000000..72020529ef --- /dev/null +++ b/include/sysemu/accel-blocker.h @@ -0,0 +1,56 @@ +/* + * Accelerator blocking API, to prevent new ioctls from starting and wait the + * running ones finish. + * This mechanism differs from pause/resume_all_vcpus() in that it does not + * release the BQL. + * + * Copyright (c) 2022 Red Hat Inc. + * + * Author: Emanuele Giuseppe Esposito <eesposit@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef ACCEL_BLOCKER_H +#define ACCEL_BLOCKER_H + +#include "qemu/osdep.h" +#include "sysemu/cpus.h" + +extern void accel_blocker_init(void); + +/* + * accel_{cpu_}ioctl_begin/end: + * Mark when ioctl is about to run or just finished. + * + * accel_{cpu_}ioctl_begin will block after accel_ioctl_inhibit_begin() is + * called, preventing new ioctls to run. They will continue only after + * accel_ioctl_inibith_end(). + */ +extern void accel_ioctl_begin(void); +extern void accel_ioctl_end(void); +extern void accel_cpu_ioctl_begin(CPUState *cpu); +extern void accel_cpu_ioctl_end(CPUState *cpu); + +/* + * accel_ioctl_inhibit_begin: start critical section + * + * This function makes sure that: + * 1) incoming accel_{cpu_}ioctl_begin() calls block + * 2) wait that all ioctls that were already running reach + * accel_{cpu_}ioctl_end(), kicking vcpus if necessary. + * + * This allows the caller to access shared data or perform operations without + * worrying of concurrent vcpus accesses. + */ +extern void accel_ioctl_inhibit_begin(void); + +/* + * accel_ioctl_inhibit_end: end critical section started by + * accel_ioctl_inhibit_begin() + * + * This function allows blocked accel_{cpu_}ioctl_begin() to continue. + */ +extern void accel_ioctl_inhibit_end(void); + +#endif /* ACCEL_BLOCKER_H */ diff --git a/include/sysemu/kvm_int.h b/include/sysemu/kvm_int.h index 3b4adcdc10..60b520a13e 100644 --- a/include/sysemu/kvm_int.h +++ b/include/sysemu/kvm_int.h @@ -12,6 +12,7 @@ #include "exec/memory.h" #include "qapi/qapi-types-common.h" #include "qemu/accel.h" +#include "qemu/queue.h" #include "sysemu/kvm.h" typedef struct KVMSlot @@ -31,10 +32,17 @@ typedef struct KVMSlot ram_addr_t ram_start_offset; } KVMSlot; +typedef struct KVMMemoryUpdate { + QSIMPLEQ_ENTRY(KVMMemoryUpdate) next; + MemoryRegionSection section; +} KVMMemoryUpdate; + typedef struct KVMMemoryListener { MemoryListener listener; KVMSlot *slots; int as_id; + QSIMPLEQ_HEAD(, KVMMemoryUpdate) transaction_add; + QSIMPLEQ_HEAD(, KVMMemoryUpdate) transaction_del; } KVMMemoryListener; #define KVM_MSI_HASHTAB_SIZE 256 diff --git a/subprojects/libvduse/libvduse.c b/subprojects/libvduse/libvduse.c index e089d4d546..377959a0b4 100644 --- a/subprojects/libvduse/libvduse.c +++ b/subprojects/libvduse/libvduse.c @@ -16,6 +16,10 @@ * later. See the COPYING file in the top-level directory. */ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif + #include <stdlib.h> #include <stdio.h> #include <stdbool.h> @@ -97,7 +101,7 @@ struct VduseVirtq { uint16_t signalled_used; bool signalled_used_valid; int index; - int inuse; + unsigned int inuse; bool ready; int fd; VduseDev *dev; @@ -578,7 +582,8 @@ void vduse_queue_notify(VduseVirtq *vq) static inline void vring_set_avail_event(VduseVirtq *vq, uint16_t val) { - *((uint16_t *)&vq->vring.used->ring[vq->vring.num]) = htole16(val); + uint16_t val_le = htole16(val); + memcpy(&vq->vring.used->ring[vq->vring.num], &val_le, sizeof(uint16_t)); } static bool vduse_queue_map_single_desc(VduseVirtq *vq, unsigned int *p_num_sg, diff --git a/subprojects/libvduse/meson.build b/subprojects/libvduse/meson.build index ba08f5ee1a..3e3b53da33 100644 --- a/subprojects/libvduse/meson.build +++ b/subprojects/libvduse/meson.build @@ -1,6 +1,12 @@ project('libvduse', 'c', license: 'GPL-2.0-or-later', - default_options: ['c_std=gnu99']) + default_options: ['warning_level=1', 'c_std=gnu99']) + +cc = meson.get_compiler('c') +add_project_arguments(cc.get_supported_arguments('-Wsign-compare', + '-Wdeclaration-after-statement', + '-Wstrict-aliasing'), + native: false, language: 'c') libvduse = static_library('vduse', files('libvduse.c'), diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c index d6ee6e7d91..fc69783d2b 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -13,6 +13,10 @@ * later. See the COPYING file in the top-level directory. */ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif + /* this code avoids GLib dependency */ #include <stdlib.h> #include <stdio.h> @@ -58,8 +62,8 @@ #endif /* !__GNUC__ */ #ifndef MIN #define MIN(x, y) ({ \ - typeof(x) _min1 = (x); \ - typeof(y) _min2 = (y); \ + __typeof__(x) _min1 = (x); \ + __typeof__(y) _min2 = (y); \ (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) #endif @@ -188,7 +192,7 @@ vu_panic(VuDev *dev, const char *msg, ...) void * vu_gpa_to_va(VuDev *dev, uint64_t *plen, uint64_t guest_addr) { - int i; + unsigned int i; if (*plen == 0) { return NULL; @@ -214,7 +218,7 @@ vu_gpa_to_va(VuDev *dev, uint64_t *plen, uint64_t guest_addr) static void * qva_to_va(VuDev *dev, uint64_t qemu_addr) { - int i; + unsigned int i; /* Find matching memory region. */ for (i = 0; i < dev->nregions; i++) { @@ -335,7 +339,7 @@ vu_message_read_default(VuDev *dev, int conn_fd, VhostUserMsg *vmsg) goto fail; } - assert(rc == vmsg->size); + assert((uint32_t)rc == vmsg->size); } return true; @@ -617,11 +621,13 @@ map_ring(VuDev *dev, VuVirtq *vq) static bool generate_faults(VuDev *dev) { - int i; + unsigned int i; for (i = 0; i < dev->nregions; i++) { VuDevRegion *dev_region = &dev->regions[i]; int ret; #ifdef UFFDIO_REGISTER + struct uffdio_register reg_struct; + /* * We should already have an open ufd. Mark each memory * range as ufd. @@ -655,7 +661,7 @@ generate_faults(VuDev *dev) { "%s: Failed to madvise(NOHUGEPAGE) region %d: %s\n", __func__, i, strerror(errno)); } - struct uffdio_register reg_struct; + reg_struct.range.start = (uintptr_t)dev_region->mmap_addr; reg_struct.range.len = dev_region->size + dev_region->mmap_offset; reg_struct.mode = UFFDIO_REGISTER_MODE_MISSING; @@ -825,7 +831,7 @@ static inline bool reg_equal(VuDevRegion *vudev_reg, static bool vu_rem_mem_reg(VuDev *dev, VhostUserMsg *vmsg) { VhostUserMemoryRegion m = vmsg->payload.memreg.region, *msg_region = &m; - int i; + unsigned int i; bool found = false; if (vmsg->fd_num > 1) { @@ -891,7 +897,7 @@ vu_rem_mem_reg(VuDev *dev, VhostUserMsg *vmsg) { static bool vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg) { - int i; + unsigned int i; VhostUserMemory m = vmsg->payload.memory, *memory = &m; dev->nregions = memory->nregions; @@ -968,7 +974,7 @@ vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg) static bool vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg) { - int i; + unsigned int i; VhostUserMemory m = vmsg->payload.memory, *memory = &m; for (i = 0; i < dev->nregions; i++) { @@ -1593,12 +1599,13 @@ vu_set_config(VuDev *dev, VhostUserMsg *vmsg) static bool vu_set_postcopy_advise(VuDev *dev, VhostUserMsg *vmsg) { - dev->postcopy_ufd = -1; #ifdef UFFDIO_API struct uffdio_api api_struct; dev->postcopy_ufd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); vmsg->size = 0; +#else + dev->postcopy_ufd = -1; #endif if (dev->postcopy_ufd == -1) { @@ -1976,7 +1983,7 @@ end: void vu_deinit(VuDev *dev) { - int i; + unsigned int i; for (i = 0; i < dev->nregions; i++) { VuDevRegion *r = &dev->regions[i]; @@ -2471,14 +2478,13 @@ vring_used_flags_unset_bit(VuVirtq *vq, int mask) static inline void vring_set_avail_event(VuVirtq *vq, uint16_t val) { - uint16_t *avail; + uint16_t val_le = htole16(val); if (!vq->notification) { return; } - avail = (uint16_t *)&vq->vring.used->ring[vq->vring.num]; - *avail = htole16(val); + memcpy(&vq->vring.used->ring[vq->vring.num], &val_le, sizeof(uint16_t)); } void diff --git a/subprojects/libvhost-user/meson.build b/subprojects/libvhost-user/meson.build index 39825d9404..a18014e7f2 100644 --- a/subprojects/libvhost-user/meson.build +++ b/subprojects/libvhost-user/meson.build @@ -1,6 +1,12 @@ project('libvhost-user', 'c', license: 'GPL-2.0-or-later', - default_options: ['c_std=gnu99']) + default_options: ['warning_level=1', 'c_std=gnu99']) + +cc = meson.get_compiler('c') +add_project_arguments(cc.get_supported_arguments('-Wsign-compare', + '-Wdeclaration-after-statement', + '-Wstrict-aliasing'), + native: false, language: 'c') threads = dependency('threads') glib = dependency('glib-2.0') diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 3cbc36a59d..0bd6bfad8a 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2470,6 +2470,8 @@ void helper_vpermdq_ymm(Reg *d, Reg *v, Reg *s, uint32_t order) r0 = s->Q(2); r1 = s->Q(3); break; + default: /* default case added to help the compiler to avoid warnings */ + g_assert_not_reached(); } switch ((order >> 4) & 3) { case 0: @@ -2488,6 +2490,8 @@ void helper_vpermdq_ymm(Reg *d, Reg *v, Reg *s, uint32_t order) r2 = s->Q(2); r3 = s->Q(3); break; + default: /* default case added to help the compiler to avoid warnings */ + g_assert_not_reached(); } d->Q(0) = r0; d->Q(1) = r1; diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc index 80c579164f..d5fd8d965c 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -105,6 +105,7 @@ #define vex3 .vex_class = 3, #define vex4 .vex_class = 4, #define vex4_unal .vex_class = 4, .vex_special = X86_VEX_SSEUnaligned, +#define vex4_rep5 .vex_class = 4, .vex_special = X86_VEX_REPScalar, #define vex5 .vex_class = 5, #define vex6 .vex_class = 6, #define vex7 .vex_class = 7, @@ -839,8 +840,8 @@ static const X86OpEntry opcodes_0F[256] = { [0x50] = X86_OP_ENTRY3(MOVMSK, G,y, None,None, U,x, vex7 p_00_66), [0x51] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), - [0x52] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex5 p_00_f3), - [0x53] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex5 p_00_f3), + [0x52] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex4_rep5 p_00_f3), + [0x53] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex4_rep5 p_00_f3), [0x54] = X86_OP_ENTRY3(PAND, V,x, H,x, W,x, vex4 p_00_66), /* vand */ [0x55] = X86_OP_ENTRY3(PANDN, V,x, H,x, W,x, vex4 p_00_66), /* vandn */ [0x56] = X86_OP_ENTRY3(POR, V,x, H,x, W,x, vex4 p_00_66), /* vor */ @@ -878,7 +879,7 @@ static const X86OpEntry opcodes_0F[256] = { [0x58] = X86_OP_ENTRY3(VADD, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), [0x59] = X86_OP_ENTRY3(VMUL, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), - [0x5a] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex3 p_00_66_f3_f2), + [0x5a] = X86_OP_GROUP3(sse_unary, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), [0x5b] = X86_OP_GROUP0(0F5B), [0x5c] = X86_OP_ENTRY3(VSUB, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), [0x5d] = X86_OP_ENTRY3(VMIN, V,x, H,x, W,x, vex2_rep3 p_00_66_f3_f2), @@ -1447,9 +1448,9 @@ static bool validate_vex(DisasContext *s, X86DecodedInsn *decode) * Instructions which differ between 00/66 and F2/F3 in the * exception classification and the size of the memory operand. */ - assert(e->vex_class == 1 || e->vex_class == 2); + assert(e->vex_class == 1 || e->vex_class == 2 || e->vex_class == 4); if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { - e->vex_class = 3; + e->vex_class = e->vex_class < 4 ? 3 : 5; if (s->vex_l) { goto illegal; } diff --git a/target/i386/tcg/seg_helper.c b/target/i386/tcg/seg_helper.c index 539189b4d1..03b58e94a2 100644 --- a/target/i386/tcg/seg_helper.c +++ b/target/i386/tcg/seg_helper.c @@ -882,7 +882,7 @@ static void do_interrupt64(CPUX86State *env, int intno, int is_int, dt = &env->idt; if (intno * 16 + 15 > dt->limit) { - raise_exception_err(env, EXCP0D_GPF, intno * 16 + 2); + raise_exception_err(env, EXCP0D_GPF, intno * 8 + 2); } ptr = dt->base + intno * 16; e1 = cpu_ldl_kernel(env, ptr); @@ -895,18 +895,18 @@ static void do_interrupt64(CPUX86State *env, int intno, int is_int, case 15: /* 386 trap gate */ break; default: - raise_exception_err(env, EXCP0D_GPF, intno * 16 + 2); + raise_exception_err(env, EXCP0D_GPF, intno * 8 + 2); break; } dpl = (e2 >> DESC_DPL_SHIFT) & 3; cpl = env->hflags & HF_CPL_MASK; /* check privilege if software int */ if (is_int && dpl < cpl) { - raise_exception_err(env, EXCP0D_GPF, intno * 16 + 2); + raise_exception_err(env, EXCP0D_GPF, intno * 8 + 2); } /* check valid bit */ if (!(e2 & DESC_P_MASK)) { - raise_exception_err(env, EXCP0B_NOSEG, intno * 16 + 2); + raise_exception_err(env, EXCP0B_NOSEG, intno * 8 + 2); } selector = e1 >> 16; offset = ((target_ulong)e3 << 32) | (e2 & 0xffff0000) | (e1 & 0x0000ffff); diff --git a/tests/fp/meson.build b/tests/fp/meson.build index 6258e2bd7d..312a4d301f 100644 --- a/tests/fp/meson.build +++ b/tests/fp/meson.build @@ -37,6 +37,7 @@ tfcflags = [ '-Wno-missing-prototypes', '-Wno-return-type', '-Wno-unused-function', + '-Wno-missing-format-attribute', '-Wno-error', ] diff --git a/tests/qtest/ahci-test.c b/tests/qtest/ahci-test.c index 66652fed04..1967cd5898 100644 --- a/tests/qtest/ahci-test.c +++ b/tests/qtest/ahci-test.c @@ -154,6 +154,7 @@ static void ahci_migrate(AHCIQState *from, AHCIQState *to, const char *uri) /** * Start a Q35 machine and bookmark a handle to the AHCI device. */ +G_GNUC_PRINTF(1, 0) static AHCIQState *ahci_vboot(const char *cli, va_list ap) { AHCIQState *s; @@ -171,6 +172,7 @@ static AHCIQState *ahci_vboot(const char *cli, va_list ap) /** * Start a Q35 machine and bookmark a handle to the AHCI device. */ +G_GNUC_PRINTF(1, 2) static AHCIQState *ahci_boot(const char *cli, ...) { AHCIQState *s; @@ -209,6 +211,7 @@ static void ahci_shutdown(AHCIQState *ahci) * Boot and fully enable the HBA device. * @see ahci_boot, ahci_pci_enable and ahci_hba_enable. */ +G_GNUC_PRINTF(1, 2) static AHCIQState *ahci_boot_and_enable(const char *cli, ...) { AHCIQState *ahci; diff --git a/tests/qtest/arm-cpu-features.c b/tests/qtest/arm-cpu-features.c index 5a14527386..8691802950 100644 --- a/tests/qtest/arm-cpu-features.c +++ b/tests/qtest/arm-cpu-features.c @@ -32,6 +32,7 @@ static QDict *do_query_no_props(QTestState *qts, const char *cpu_type) QUERY_TAIL, cpu_type); } +G_GNUC_PRINTF(3, 4) static QDict *do_query(QTestState *qts, const char *cpu_type, const char *fmt, ...) { diff --git a/tests/qtest/erst-test.c b/tests/qtest/erst-test.c index 974e8bcfe5..c45bee7f05 100644 --- a/tests/qtest/erst-test.c +++ b/tests/qtest/erst-test.c @@ -98,7 +98,7 @@ static void setup_vm_cmd(ERSTState *s, const char *cmd) const char *arch = qtest_get_arch(); if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { - s->qs = qtest_pc_boot(cmd); + s->qs = qtest_pc_boot("%s", cmd); } else { g_printerr("erst-test tests are only available on x86\n"); exit(EXIT_FAILURE); diff --git a/tests/qtest/ide-test.c b/tests/qtest/ide-test.c index dbe1563b23..dcb050bf9b 100644 --- a/tests/qtest/ide-test.c +++ b/tests/qtest/ide-test.c @@ -125,6 +125,7 @@ static QGuestAllocator guest_malloc; static char *tmp_path[2]; static char *debug_path; +G_GNUC_PRINTF(1, 2) static QTestState *ide_test_start(const char *cmdline_fmt, ...) { QTestState *qts; @@ -788,7 +789,7 @@ static void test_flush_nodev(void) QPCIDevice *dev; QPCIBar bmdma_bar, ide_bar; - qts = ide_test_start(""); + qts = ide_test_start("%s", ""); dev = get_pci_device(qts, &bmdma_bar, &ide_bar); diff --git a/tests/qtest/ivshmem-test.c b/tests/qtest/ivshmem-test.c index cd550c8935..9bf8e78df6 100644 --- a/tests/qtest/ivshmem-test.c +++ b/tests/qtest/ivshmem-test.c @@ -109,9 +109,9 @@ static void setup_vm_cmd(IVState *s, const char *cmd, bool msix) const char *arch = qtest_get_arch(); if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { - s->qs = qtest_pc_boot(cmd); + s->qs = qtest_pc_boot("%s", cmd); } else if (strcmp(arch, "ppc64") == 0) { - s->qs = qtest_spapr_boot(cmd); + s->qs = qtest_spapr_boot("%s", cmd); } else { g_printerr("ivshmem-test tests are only available on x86 or ppc64\n"); exit(EXIT_FAILURE); diff --git a/tests/qtest/libqmp.c b/tests/qtest/libqmp.c index 2b08382e5d..a89cab03c3 100644 --- a/tests/qtest/libqmp.c +++ b/tests/qtest/libqmp.c @@ -134,7 +134,7 @@ static void socket_send_fds(int socket_fd, int *fds, size_t fds_num, * in the case that they choose to discard all replies up until * a particular EVENT is received. */ -static void +static G_GNUC_PRINTF(4, 0) void _qmp_fd_vsend_fds(int fd, int *fds, size_t fds_num, const char *fmt, va_list ap) { diff --git a/tests/qtest/libqos/libqos-pc.h b/tests/qtest/libqos/libqos-pc.h index 1a9923ead4..a2e4209a49 100644 --- a/tests/qtest/libqos/libqos-pc.h +++ b/tests/qtest/libqos/libqos-pc.h @@ -3,8 +3,10 @@ #include "libqos.h" -QOSState *qtest_pc_vboot(const char *cmdline_fmt, va_list ap); -QOSState *qtest_pc_boot(const char *cmdline_fmt, ...); +QOSState *qtest_pc_vboot(const char *cmdline_fmt, va_list ap) + G_GNUC_PRINTF(1, 0); +QOSState *qtest_pc_boot(const char *cmdline_fmt, ...) + G_GNUC_PRINTF(1, 2); void qtest_pc_shutdown(QOSState *qs); #endif diff --git a/tests/qtest/libqos/libqos-spapr.h b/tests/qtest/libqos/libqos-spapr.h index c61338917a..e4483c14f8 100644 --- a/tests/qtest/libqos/libqos-spapr.h +++ b/tests/qtest/libqos/libqos-spapr.h @@ -3,8 +3,10 @@ #include "libqos.h" -QOSState *qtest_spapr_vboot(const char *cmdline_fmt, va_list ap); -QOSState *qtest_spapr_boot(const char *cmdline_fmt, ...); +QOSState *qtest_spapr_vboot(const char *cmdline_fmt, va_list ap) + G_GNUC_PRINTF(1, 0); +QOSState *qtest_spapr_boot(const char *cmdline_fmt, ...) + G_GNUC_PRINTF(1, 2); void qtest_spapr_shutdown(QOSState *qs); /* List of capabilities needed to silence warnings with TCG */ diff --git a/tests/qtest/libqos/libqos.h b/tests/qtest/libqos/libqos.h index 9b4dd509f0..12d05b2365 100644 --- a/tests/qtest/libqos/libqos.h +++ b/tests/qtest/libqos/libqos.h @@ -21,8 +21,10 @@ struct QOSState { QOSOps *ops; }; -QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap); -QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...); +QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap) + G_GNUC_PRINTF(2, 0); +QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...) + G_GNUC_PRINTF(2, 3); void qtest_common_shutdown(QOSState *qs); void qtest_shutdown(QOSState *qs); bool have_qemu_img(void); diff --git a/tests/qtest/libqos/virtio-9p.c b/tests/qtest/libqos/virtio-9p.c index 7f21028256..186fcc1141 100644 --- a/tests/qtest/libqos/virtio-9p.c +++ b/tests/qtest/libqos/virtio-9p.c @@ -211,6 +211,7 @@ static void *virtio_9p_pci_create(void *pci_bus, QGuestAllocator *t_alloc, * variable arguments of this function to this * replacement string */ +G_GNUC_PRINTF(3, 4) static void regex_replace(GString *haystack, const char *pattern, const char *replace_fmt, ...) { diff --git a/tests/qtest/migration-helpers.h b/tests/qtest/migration-helpers.h index db0684de48..a188b62787 100644 --- a/tests/qtest/migration-helpers.h +++ b/tests/qtest/migration-helpers.h @@ -25,6 +25,7 @@ QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...); G_GNUC_PRINTF(2, 3) QDict *wait_command(QTestState *who, const char *command, ...); +G_GNUC_PRINTF(2, 3) QDict *qmp_command(QTestState *who, const char *command, ...); G_GNUC_PRINTF(3, 4) diff --git a/tests/qtest/rtas-test.c b/tests/qtest/rtas-test.c index 50df60e5b2..1ba42b37d2 100644 --- a/tests/qtest/rtas-test.c +++ b/tests/qtest/rtas-test.c @@ -13,7 +13,7 @@ static void run_test_rtas_get_time_of_day(const char *machine) uint64_t ret; time_t t1, t2; - qs = qtest_spapr_boot(machine); + qs = qtest_spapr_boot("%s", machine); t1 = time(NULL); ret = qrtas_get_time_of_day(qs->qts, &qs->alloc, &tm, &ns); diff --git a/tests/qtest/usb-hcd-uhci-test.c b/tests/qtest/usb-hcd-uhci-test.c index 7a117b64d9..f264d2bf73 100644 --- a/tests/qtest/usb-hcd-uhci-test.c +++ b/tests/qtest/usb-hcd-uhci-test.c @@ -72,9 +72,9 @@ int main(int argc, char **argv) qtest_add_func("/uhci/pci/hotplug/usb-storage", test_usb_storage_hotplug); if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { - qs = qtest_pc_boot(cmd); + qs = qtest_pc_boot("%s", cmd); } else if (strcmp(arch, "ppc64") == 0) { - qs = qtest_spapr_boot(cmd); + qs = qtest_spapr_boot("%s", cmd); } else { g_printerr("usb-hcd-uhci-test tests are only " "available on x86 or ppc64\n"); diff --git a/tests/unit/test-qmp-cmds.c b/tests/unit/test-qmp-cmds.c index 2373cd64cb..6d52b4e5d8 100644 --- a/tests/unit/test-qmp-cmds.c +++ b/tests/unit/test-qmp-cmds.c @@ -138,6 +138,7 @@ void qmp___org_qemu_x_command(__org_qemu_x_EnumList *a, } +G_GNUC_PRINTF(2, 3) static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...) { va_list ap; @@ -160,6 +161,7 @@ static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...) return ret; } +G_GNUC_PRINTF(3, 4) static void do_qmp_dispatch_error(bool allow_oob, ErrorClass cls, const char *template, ...) { @@ -269,7 +271,7 @@ static void test_dispatch_cmd_io(void) static void test_dispatch_cmd_deprecated(void) { - const char *cmd = "{ 'execute': 'test-command-features1' }"; + #define cmd "{ 'execute': 'test-command-features1' }" QDict *ret; memset(&compat_policy, 0, sizeof(compat_policy)); @@ -287,12 +289,13 @@ static void test_dispatch_cmd_deprecated(void) compat_policy.deprecated_input = COMPAT_POLICY_INPUT_REJECT; do_qmp_dispatch_error(false, ERROR_CLASS_COMMAND_NOT_FOUND, cmd); + #undef cmd } static void test_dispatch_cmd_arg_deprecated(void) { - const char *cmd = "{ 'execute': 'test-features0'," - " 'arguments': { 'fs1': { 'foo': 42 } } }"; + #define cmd "{ 'execute': 'test-features0'," \ + " 'arguments': { 'fs1': { 'foo': 42 } } }" QDict *ret; memset(&compat_policy, 0, sizeof(compat_policy)); @@ -310,11 +313,12 @@ static void test_dispatch_cmd_arg_deprecated(void) compat_policy.deprecated_input = COMPAT_POLICY_INPUT_REJECT; do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR, cmd); + #undef cmd } static void test_dispatch_cmd_ret_deprecated(void) { - const char *cmd = "{ 'execute': 'test-features0' }"; + #define cmd "{ 'execute': 'test-features0' }" QDict *ret; memset(&compat_policy, 0, sizeof(compat_policy)); @@ -334,6 +338,7 @@ static void test_dispatch_cmd_ret_deprecated(void) ret = qobject_to(QDict, do_qmp_dispatch(false, cmd)); assert(ret && qdict_size(ret) == 0); qobject_unref(ret); + #undef cmd } /* test generated dealloc functions for generated types */ diff --git a/tools/virtiofsd/fuse_log.c b/tools/virtiofsd/fuse_log.c index 745d88cd2a..2de3f48ee7 100644 --- a/tools/virtiofsd/fuse_log.c +++ b/tools/virtiofsd/fuse_log.c @@ -12,6 +12,7 @@ #include "fuse_log.h" +G_GNUC_PRINTF(2, 0) static void default_log_func(__attribute__((unused)) enum fuse_log_level level, const char *fmt, va_list ap) { diff --git a/tools/virtiofsd/fuse_log.h b/tools/virtiofsd/fuse_log.h index 8d7091bd4d..e5c2967ab9 100644 --- a/tools/virtiofsd/fuse_log.h +++ b/tools/virtiofsd/fuse_log.h @@ -45,7 +45,8 @@ enum fuse_log_level { * @param ap format string arguments */ typedef void (*fuse_log_func_t)(enum fuse_log_level level, const char *fmt, - va_list ap); + va_list ap) + G_GNUC_PRINTF(2, 0); /** * Install a custom log handler function. @@ -68,6 +69,7 @@ void fuse_set_log_func(fuse_log_func_t func); * @param level severity level (FUSE_LOG_ERR, FUSE_LOG_DEBUG, etc) * @param fmt sprintf-style format string including newline */ -void fuse_log(enum fuse_log_level level, const char *fmt, ...); +void fuse_log(enum fuse_log_level level, const char *fmt, ...) + G_GNUC_PRINTF(2, 3); #endif /* FUSE_LOG_H_ */ diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c index 20f0f41f99..40ea2ed27f 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -4182,6 +4182,7 @@ static void setup_nofile_rlimit(unsigned long rlimit_nofile) } } +G_GNUC_PRINTF(2, 0) static void log_func(enum fuse_log_level level, const char *fmt, va_list ap) { g_autofree char *localfmt = NULL; diff --git a/util/error-report.c b/util/error-report.c index 5edb2e6040..6e44a55732 100644 --- a/util/error-report.c +++ b/util/error-report.c @@ -193,6 +193,7 @@ real_time_iso8601(void) * a single phrase, with no newline or trailing punctuation. * Prepend the current location and append a newline. */ +G_GNUC_PRINTF(2, 0) static void vreport(report_type type, const char *fmt, va_list ap) { gchar *timestr; diff --git a/util/error.c b/util/error.c index b6c89d1412..1e7af665b8 100644 --- a/util/error.c +++ b/util/error.c @@ -45,6 +45,7 @@ static void error_handle_fatal(Error **errp, Error *err) } } +G_GNUC_PRINTF(6, 0) static void error_setv(Error **errp, const char *src, int line, const char *func, ErrorClass err_class, const char *fmt, va_list ap, diff --git a/util/meson.build b/util/meson.build index d8d109ff84..26c73e586b 100644 --- a/util/meson.build +++ b/util/meson.build @@ -58,6 +58,7 @@ util_ss.add(files('yank.c')) util_ss.add(files('int128.c')) util_ss.add(files('memalign.c')) util_ss.add(files('interval-tree.c')) +util_ss.add(files('lockcnt.c')) if have_user util_ss.add(files('selfmap.c')) @@ -72,7 +73,6 @@ endif if have_block or have_ga util_ss.add(files('aiocb.c', 'async.c')) util_ss.add(files('base64.c')) - util_ss.add(files('lockcnt.c')) util_ss.add(files('main-loop.c')) util_ss.add(files('qemu-coroutine.c', 'qemu-coroutine-lock.c', 'qemu-coroutine-io.c')) util_ss.add(files('coroutine-@0@.c'.format(config_host['CONFIG_COROUTINE_BACKEND']))) |