search for: 348,13

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...t; + return virtio32_to_cpu(vdev, (__force __virtio32)ret); } static inline void virtio_cwrite32(struct virtio_device *vdev, unsigned int offset, u32 val) { + val = (__force u32)cpu_to_virtio32(vdev, val); vdev->config->set(vdev, offset, &val, sizeof(val)); } @@ -346,12 +348,13 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio64_to_cpu(vdev, (__force __virtio64)ret); } static inline void virtio_cwrite64(struct virtio_device *vdev, unsign...

...mutex_unlock(&rng_mutex); + mutex_unlock(&reading_mutex); if (need_resched()) schedule_timeout_interruptible(1); @@ -208,6 +216,9 @@ out: out_unlock: mutex_unlock(&rng_mutex); goto out; +out_unlock_reading: + mutex_unlock(&reading_mutex); + goto out_unlock; } @@ -348,13 +359,16 @@ static int hwrng_fillfn(void *unused) while (!kthread_should_stop()) { if (!current_rng) break; + mutex_lock(&reading_mutex); rc = rng_get_data(current_rng, rng_fillbuf, rng_buffer_size(), 1); + mutex_unlock(&reading_mutex); if (rc <= 0) { pr_war...

...86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -38,6 +38,7 @@ * section is later cleared. */ u64 sme_me_mask __section(.data) = 0; +u64 sev_status __section(.data) = 0; EXPORT_SYMBOL(sme_me_mask); DEFINE_STATIC_KEY_FALSE(sev_enable_key); EXPORT_SYMBOL_GPL(sev_enable_key); @@ -347,7 +348,13 @@ bool sme_active(void) bool sev_active(void) { - return sme_me_mask && sev_enabled; + return !!(sev_status & MSR_AMD64_SEV_ENABLED); +} + +/* Needs to be called from non-instrumentable code */ +bool noinstr sev_es_active(void) +{ + return !!(sev_status & MSR_AMD64_SEV_ES_EN...

...86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -38,6 +38,7 @@ * section is later cleared. */ u64 sme_me_mask __section(.data) = 0; +u64 sev_status __section(.data) = 0; EXPORT_SYMBOL(sme_me_mask); DEFINE_STATIC_KEY_FALSE(sev_enable_key); EXPORT_SYMBOL_GPL(sev_enable_key); @@ -347,7 +348,13 @@ bool sme_active(void) bool sev_active(void) { - return sme_me_mask && sev_enabled; + return !!(sev_status & MSR_AMD64_SEV_ENABLED); +} + +/* Needs to be called from non-instrumentable code */ +bool noinstr sev_es_active(void) +{ + return sev_status & MSR_AMD64_SEV_ES_ENABL...

...86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -38,6 +38,7 @@ * section is later cleared. */ u64 sme_me_mask __section(.data) = 0; +u64 sev_status __section(.data) = 0; EXPORT_SYMBOL(sme_me_mask); DEFINE_STATIC_KEY_FALSE(sev_enable_key); EXPORT_SYMBOL_GPL(sev_enable_key); @@ -347,7 +348,13 @@ bool sme_active(void) bool sev_active(void) { - return sme_me_mask && sev_enabled; + return !!(sev_status & MSR_AMD64_SEV_ENABLED); +} + +/* Needs to be called from non-instrumentable code */ +bool noinstr sev_es_active(void) +{ + return !!(sev_status & MSR_AMD64_SEV_ES_EN...

...mutex_unlock(&rng_mutex); + mutex_unlock(&reading_mutex); if (need_resched()) schedule_timeout_interruptible(1); @@ -208,6 +216,9 @@ out: out_unlock: mutex_unlock(&rng_mutex); goto out; +out_unlock_reading: + mutex_unlock(&reading_mutex); + goto out_unlock; } @@ -348,13 +359,16 @@ static int hwrng_fillfn(void *unused) while (!kthread_should_stop()) { if (!current_rng) break; + mutex_lock(&reading_mutex); rc = rng_get_data(current_rng, rng_fillbuf, rng_buffer_size(), 1); + mutex_unlock(&reading_mutex); if (rc <= 0) { pr_war...

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

Amos Kong <akong at redhat.com> writes: > I started a QEMU (non-smp) guest with one virtio-rng device, and read > random data from /dev/hwrng by dd: > > # dd if=/dev/hwrng of=/dev/null & > > In the same time, if I check hwrng attributes from sysfs by cat: > > # cat /sys/class/misc/hw_random/rng_* > > The cat process always gets stuck with slow backend (5

Amos Kong <akong at redhat.com> writes: > I started a QEMU (non-smp) guest with one virtio-rng device, and read > random data from /dev/hwrng by dd: > > # dd if=/dev/hwrng of=/dev/null & > > In the same time, if I check hwrng attributes from sysfs by cat: > > # cat /sys/class/misc/hw_random/rng_* > > The cat process always gets stuck with slow backend (5

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

When I hotunplug a busy virtio-rng device or try to access hwrng attributes in non-smp guest, it gets stuck. My hotplug tests: | test 0: | hotunplug rng device from qemu monitor | | test 1: | guest) # dd if=/dev/hwrng of=/dev/null & | hotunplug rng device from qemu monitor | | test 2: | guest) # dd if=/dev/random of=/dev/null & | hotunplug rng device from qemu monitor | | test

...bles); + if (!swfdec_player_is_initialized (player)) { + g_printerr ("File \"%s\" is not a file Swfdec can play\n", loader->url); + g_object_unref (player); + gtk_main_quit (); + return FALSE; + } + return FALSE; +} + int main (int argc, char *argv[]) { @@ -348,13 +373,9 @@ main (int argc, char *argv[]) if (do_break) g_signal_connect (player, "script-added", G_CALLBACK (do_break_cb), NULL); view_swf (player, scale, use_image); - swfdec_player_set_loader_with_variables (player, loader, variables); - if (!swfdec_player_is_initialized...