search for: 367,10

...Maybe we need to rename the sk_buffs involved in this function (pre-existing). We have `pkt` that is the original sk_buff, and `skb` that it is allocated in this function, so IIUC we should check if `pkt` is nonlinear and copy its payload into `skb`, so we should do this (untested) chage: @@ -367,10 +367,10 @@ static struct sk_buff *virtio_transport_build_skb(void *opaque) skb_put_data(skb, pkt_hdr, sizeof(*pkt_hdr)); if (payload_len) { - if (skb_is_nonlinear(skb)) { + if (skb_is_nonlinear(pkt)) { void *data = skb_put(s...

...http.send(buf) + headers = {"Content-Type": "application/json", + "Content-Length", str(len(buf))} + + http.request("PATCH", h['path'], body=buf, headers=headers) r = http.getresponse() if r.status != 200: @@ -368,11 +367,10 @@ def trim(h, count, offset): 'size': count, 'flush': False}).encode() - http.putrequest("PATCH", h['path']) - http.putheader("Content-Type", "application/json") - http.putheader(&quot...

...wsem-xadd.c @@ -351,6 +351,7 @@ static inline bool rwsem_can_spin_on_owner(struct rw_semaphore *sem) static noinline bool rwsem_spin_on_owner(struct rw_semaphore *sem) { struct task_struct *owner = READ_ONCE(sem->owner); + int loop = 0; if (!rwsem_owner_is_writer(owner)) goto out; @@ -367,10 +368,11 @@ static noinline bool rwsem_spin_on_owner(struct rw_semaphore *sem) /* * abort spinning when need_resched or owner is not running or - * owner's cpu is preempted. + * owner's cpu is preempted. The preemption check is done at + * a lower frequencey because of its...

...the behaviour of filters when you layer multiple filters in front of a plugin. --- src/filters.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/src/filters.c b/src/filters.c index 18948bc..67f06d6 100644 --- a/src/filters.c +++ b/src/filters.c @@ -367,10 +367,17 @@ filter_prepare (struct backend *b, struct connection *conn) debug ("prepare"); - if (f->filter.prepare) - return f->filter.prepare (&next_ops, &nxdata, handle); - else - return f->backend.next->prepare (f->backend.next, conn); + /* Call...

..."Content-Type": "application/json", > + "Content-Length", str(len(buf))} > + > + http.request("PATCH", h['path'], body=buf, headers=headers) > > r = http.getresponse() > if r.status != 200: > @@ -368,11 +367,10 @@ def trim(h, count, offset): > 'size': count, > 'flush': False}).encode() > > - http.putrequest("PATCH", h['path']) > - http.putheader("Content-Type", "application/json") &g...

...uot;Content-Type": "application/json", > + "Content-Length", str(len(buf))} > + > + http.request("PATCH", h['path'], body=buf, headers=headers) > > r = http.getresponse() > if r.status != 200: > @@ -368,11 +367,10 @@ def trim(h, count, offset): > 'size': count, > 'flush': False}).encode() > > - http.putrequest("PATCH", h['path']) > - http.putheader("Content-Type", "application/json")...

...drivers/gpu/drm/virtio/virtgpu_vq.c @@ -329,7 +329,6 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, int incnt) { struct virtqueue *vq = vgdev->ctrlq.vq; - bool notify = false; int ret, idx; if (!drm_dev_enter(vgdev->ddev, &idx)) { @@ -368,16 +367,10 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, trace_virtio_gpu_cmd_queue(vq, virtio_gpu_vbuf_ctrl_hdr(vbuf)); - notify = virtqueue_kick_prepare(vq); + atomic_inc(&vgdev->pending_commands); spin_unlock(&vgdev->ctrlq.qlock); - if (notify) { -...

...st *areq) offset = areq->cryptlen - ivsize; if (rctx->op_dir & SS_DECRYPTION) { memcpy(areq->iv, backup_iv, ivsize); - memzero_explicit(backup_iv, ivsize); kfree_sensitive(backup_iv); } else { scatterwalk_map_and_copy(areq->iv, areq->dst, offset, @@ -367,10 +366,7 @@ void sun8i_ss_cipher_exit(struct crypto_tfm *tfm) { struct sun8i_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm); - if (op->key) { - memzero_explicit(op->key, op->keylen); - kfree(op->key); - } + kfree_sensitive(op->key); crypto_free_sync_skcipher(op->fallback_tfm);...

...er(&oinfo->dqi_sync_timer, + round_jiffies(jiffies + oinfo->dqi_syncjiff)); +} + +/* * Wrappers for generic quota functions */ diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 719659b..17509bd 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -367,6 +367,10 @@ static int ocfs2_local_free_info(struct super_block *sb, int type) int mark_clean = 1, len; int status; + /* At this point we know there are no more dquots and thus + * even if there's some sync in the pdflush queue, it won't + * find any dquots and return without doing...

...st *areq) offset = areq->cryptlen - ivsize; if (rctx->op_dir & SS_DECRYPTION) { memcpy(areq->iv, backup_iv, ivsize); - memzero_explicit(backup_iv, ivsize); kfree_sensitive(backup_iv); } else { scatterwalk_map_and_copy(areq->iv, areq->dst, offset, @@ -367,10 +366,7 @@ void sun8i_ss_cipher_exit(struct crypto_tfm *tfm) { struct sun8i_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm); - if (op->key) { - memzero_explicit(op->key, op->keylen); - kfree(op->key); - } + kfree_sensitive(op->key); crypto_free_sync_skcipher(op->fallback_tfm);...

...ic inline int trylock_pending(struct qspinlock *lock, u32 *pval) void queue_spin_lock_slowpath(struct qspinlock *lock, u32 val) { struct mcs_spinlock *prev, *next, *node; - u32 new, old, tail; + u32 old, tail; int idx; BUILD_BUG_ON(CONFIG_NR_CPUS >= (1U << _Q_TAIL_CPU_BITS)); @@ -367,10 +389,13 @@ void queue_spin_lock_slowpath(struct qspinlock *lock, u32 val) /* * we're at the head of the waitqueue, wait for the owner & pending to * go away. + * Load-acquired is used here because the get_qlock() + * function below may not be a full memory barrier. * * *,...

...table, > .gem_prime_vmap = virtgpu_gem_prime_vmap, > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h > index e28829661724..687cfce91885 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_drv.h > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h > @@ -367,6 +367,10 @@ void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo); > int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); > > /* virtgpu_prime.c */ > +struct dma_buf *virtgpu_gem_prime_export(struct drm_gem_object *obj, > + int flags); > +...

...drivers/gpu/drm/virtio/virtgpu_vq.c @@ -329,7 +329,6 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, int incnt) { struct virtqueue *vq = vgdev->ctrlq.vq; - bool notify = false; int ret, idx; if (!drm_dev_enter(vgdev->ddev, &idx)) { @@ -368,16 +367,10 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, trace_virtio_gpu_cmd_queue(vq, virtio_gpu_vbuf_ctrl_hdr(vbuf)); - notify = virtqueue_kick_prepare(vq); + atomic_inc(&vgdev->pending_commands); spin_unlock(&vgdev->ctrlq.qlock); - if (notify) { -...

...drivers/gpu/drm/virtio/virtgpu_vq.c @@ -329,7 +329,6 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, int incnt) { struct virtqueue *vq = vgdev->ctrlq.vq; - bool notify = false; int ret, idx; if (!drm_dev_enter(vgdev->ddev, &idx)) { @@ -368,16 +367,10 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, trace_virtio_gpu_cmd_queue(vq, virtio_gpu_vbuf_ctrl_hdr(vbuf)); - notify = virtqueue_kick_prepare(vq); + atomic_inc(&vgdev->pending_commands); spin_unlock(&vgdev->ctrlq.qlock); - if (notify) { -...

It was found when running fio sequential write test with a XFS ramdisk on a 2-socket x86-64 system, the %CPU times as reported by perf were as follows: 71.27% 0.28% fio [k] down_write 70.99% 0.01% fio [k] call_rwsem_down_write_failed 69.43% 1.18% fio [k] rwsem_down_write_failed 65.51% 54.57% fio [k] osq_lock 9.72% 7.99% fio [k] __raw_callee_save___kvm_vcpu_is_preempted 4.16%

It was found when running fio sequential write test with a XFS ramdisk on a 2-socket x86-64 system, the %CPU times as reported by perf were as follows: 71.27% 0.28% fio [k] down_write 70.99% 0.01% fio [k] call_rwsem_down_write_failed 69.43% 1.18% fio [k] rwsem_down_write_failed 65.51% 54.57% fio [k] osq_lock 9.72% 7.99% fio [k] __raw_callee_save___kvm_vcpu_is_preempted 4.16%

This series contain fixes to make the paravirt_ops code compile and boot on x86_64. This is a follow-up for the previous series from Glauber.

This series contain fixes to make the paravirt_ops code compile and boot on x86_64. This is a follow-up for the previous series from Glauber.

...vmap, > > > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h > > > index e28829661724..687cfce91885 100644 > > > --- a/drivers/gpu/drm/virtio/virtgpu_drv.h > > > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h > > > @@ -367,6 +367,10 @@ void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo); > > > int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); > > > > > > /* virtgpu_prime.c */ > > > +struct dma_buf *virtgpu_gem_prime_export(struct drm_gem_objec...

...arriers); - old = vq->vring.avail->idx - vq->num_added; - new = vq->vring.avail->idx; + old = virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) - vq->num_added; + new = virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx); vq->num_added = 0; #ifdef DEBUG @@ -367,10 +368,10 @@ bool virtqueue_kick_prepare(struct virtqueue *_vq) #endif if (vq->event) { - needs_kick = vring_need_event(vring_avail_event(&vq->vring), + needs_kick = vring_need_event(virtio16_to_cpu(_vq->vdev, vring_avail_event(&vq->vring)), new, old); } el...