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...t inadvertently reverted during git rebase operations (thanks Juan). The diff to the v6 version is attached below: diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index b06a0e5..a64558f 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1083,6 +1083,8 @@ free_cdev: free_port: kfree(port); fail: + /* The host might want to notify management sw about port add failure */ + send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0); return err; } @@ -1407,17 +1513,14 @@ static int __devinit virtcons_probe(struct vi...

...t inadvertently reverted during git rebase operations (thanks Juan). The diff to the v6 version is attached below: diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index b06a0e5..a64558f 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1083,6 +1083,8 @@ free_cdev: free_port: kfree(port); fail: + /* The host might want to notify management sw about port add failure */ + send_control_msg(port, VIRTIO_CONSOLE_PORT_READY, 0); return err; } @@ -1407,17 +1513,14 @@ static int __devinit virtcons_probe(struct vi...

...reg->hr_slots) - kfree(reg->hr_slots); + kfree(reg->hr_slots); spin_lock(&o2hb_live_lock); list_del(&reg->hr_all_item); diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 9fbe849..7530d10 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -1083,10 +1083,8 @@ out: o2net_debug_del_nst(&nst); /* must be before dropping sc and node */ if (sc) sc_put(sc); - if (vec) - kfree(vec); - if (msg) - kfree(msg); + kfree(vec); + kfree(msg); o2net_complete_nsw(nn, &nsw, 0, 0, 0); return ret; } diff --git a/fs/ocfs2/dlm/dlmdomain.c...

..._class, + sp->ioprio_classdata)); + if (ret) + fprintf(stderr, "WARNING: setting ioprio failed: %s" + " (ignored).\n", strerror(errno)); + ret = ioctl(sp->fd, BTRFS_IOC_SCRUB, &sp->scrub_args); gettimeofday(&tv, NULL); sp->ret = ret; @@ -1068,6 +1083,8 @@ static int scrub_start(int argc, char **argv, int resume) int do_record = 1; int readonly = 0; int do_stats_per_dev = 0; + int ioprio_class = 3; /* IOPRIO_CLASS_IDLE */ + int ioprio_classdata = 0; int n_start = 0; int n_skip = 0; int n_resume = 0; @@ -1093,7 +1110,7 @@ static int s...

This series improves ceph rbd support in libguestfs. It uses the servers list, adds support for a custom username, and starts to add support for custom secret.

...gt;vring) = cpu_to_virtio16(_vq->vdev, last_used_idx = vq->last_used_idx); - END_USE(vq); - return last_used_idx; + return vq->packed ? virtqueue_enable_cb_prepare_packed(_vq) : + virtqueue_enable_cb_prepare_split(_vq); } EXPORT_SYMBOL_GPL(virtqueue_enable_cb_prepare); @@ -828,8 +1083,8 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) { struct vring_virtqueue *vq = to_vvq(_vq); - virtio_mb(vq->weak_barriers); - return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, vq->vring.used->idx); + return vq->packed ? virtqueue_poll_packed(_vq, la...

..., last_used_idx = vq->last_used_idx); > - END_USE(vq); > - return last_used_idx; > + return vq->packed ? virtqueue_enable_cb_prepare_packed(_vq) : > + virtqueue_enable_cb_prepare_split(_vq); > } > EXPORT_SYMBOL_GPL(virtqueue_enable_cb_prepare); > > @@ -828,8 +1083,8 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) > { > struct vring_virtqueue *vq = to_vvq(_vq); > > - virtio_mb(vq->weak_barriers); > - return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, vq->vring.used->idx); > + return vq->packed ?...

..., last_used_idx = vq->last_used_idx); > - END_USE(vq); > - return last_used_idx; > + return vq->packed ? virtqueue_enable_cb_prepare_packed(_vq) : > + virtqueue_enable_cb_prepare_split(_vq); > } > EXPORT_SYMBOL_GPL(virtqueue_enable_cb_prepare); > > @@ -828,8 +1083,8 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) > { > struct vring_virtqueue *vq = to_vvq(_vq); > > - virtio_mb(vq->weak_barriers); > - return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, vq->vring.used->idx); > + return vq->packed ?...

Hello everyone, This patch set implements packed ring support in virtio driver. Some functional tests have been done with Jason's packed ring implementation in vhost: https://lkml.org/lkml/2018/7/3/33 Both of ping and netperf worked as expected. RFC (v6) -> v1: - Avoid extra virtio_wmb() in virtqueue_enable_cb_delayed_packed() when event idx is off (Jason); - Fix bufs calculation in

Hello everyone, This patch set implements packed ring support in virtio driver. Some functional tests have been done with Jason's packed ring implementation in vhost: https://lkml.org/lkml/2018/7/3/33 Both of ping and netperf worked as expected. v1 -> v2: - Use READ_ONCE() to read event off_wrap and flags together (Jason); - Add comments related to ccw (Jason); RFC (v6) -> v1: -

Hello everyone, This patch set implements packed ring support in virtio driver. Some functional tests have been done with Jason's packed ring implementation in vhost: https://lkml.org/lkml/2018/7/3/33 Both of ping and netperf worked as expected. v1 -> v2: - Use READ_ONCE() to read event off_wrap and flags together (Jason); - Add comments related to ccw (Jason); RFC (v6) -> v1: -

Currently the blacklist is maintained by hand in kprobes.c which is separated from the function definition and is hard to catch up the kernel update. To solve this issue, I've tried to implement new NOKPROBE_SYMBOL() macro for making kprobe blacklist at build time. Since the NOKPROBE_SYMBOL() macros can be placed right after the function is defined, it is easy to maintain. This series

Currently the blacklist is maintained by hand in kprobes.c which is separated from the function definition and is hard to catch up the kernel update. To solve this issue, I've tried to implement new NOKPROBE_SYMBOL() macro for making kprobe blacklist at build time. Since the NOKPROBE_SYMBOL() macros can be placed right after the function is defined, it is easy to maintain. This series

Hi, Here is the version 3 of NOKPORBE_SYMBOL series. Currently the blacklist is maintained by hand in kprobes.c which is separated from the function definition and is hard to catch up the kernel update. To solve this issue, I've introduced NOKPROBE_SYMBOL() macro for making kprobe blacklist at build time. Since the NOKPROBE_SYMBOL() macros can be placed right after the function is defined

Hi, Here is the version 3 of NOKPORBE_SYMBOL series. Currently the blacklist is maintained by hand in kprobes.c which is separated from the function definition and is hard to catch up the kernel update. To solve this issue, I've introduced NOKPROBE_SYMBOL() macro for making kprobe blacklist at build time. Since the NOKPROBE_SYMBOL() macros can be placed right after the function is defined

...,7 +1055,7 @@ true 0 13: toString! 0 -Testing with: (41) -0 (object) +Testing with: (42) -0 (object) 14: toString! -0 14: toString! @@ -1041,7 +1069,7 @@ true 0 14: toString! -0 -Testing with: (42) 0.0 (object) +Testing with: (43) 0.0 (object) 15: toString! 0.0 15: toString! @@ -1055,7 +1083,7 @@ true 0 15: toString! 0.0 -Testing with: (43) 1 (object) +Testing with: (44) 1 (object) 16: toString! 1 16: toString! @@ -1069,7 +1097,7 @@ true 1 16: toString! 1 -Testing with: (44) Hello World! (object) +Testing with: (45) Hello World! (object) 17: toString! Hello World! 17: toStr...

...= NULL; pci_try_num = max_depth + 1; - printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n", - max_depth, pci_try_num); + pr_debug("max bus depth: %d pci_try_num: %d\n", max_depth, pci_try_num); again: /* Depth first, calculate sizes and alignments of all @@ -1083,8 +1084,7 @@ again: goto enable_and_dump; } - printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n", - tried_times + 1); + pr_debug("No. %d try to assign unassigned res\n", tried_times + 1); /* third times and later will not check if it is leaf */ if ((t...

...= NULL; pci_try_num = max_depth + 1; - printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n", - max_depth, pci_try_num); + pr_debug("max bus depth: %d pci_try_num: %d\n", max_depth, pci_try_num); again: /* Depth first, calculate sizes and alignments of all @@ -1083,8 +1084,7 @@ again: goto enable_and_dump; } - printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n", - tried_times + 1); + pr_debug("No. %d try to assign unassigned res\n", tried_times + 1); /* third times and later will not check if it is leaf */ if ((t...

...= NULL; pci_try_num = max_depth + 1; - printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n", - max_depth, pci_try_num); + pr_debug("max bus depth: %d pci_try_num: %d\n", max_depth, pci_try_num); again: /* Depth first, calculate sizes and alignments of all @@ -1083,8 +1084,7 @@ again: goto enable_and_dump; } - printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n", - tried_times + 1); + pr_debug("No. %d try to assign unassigned res\n", tried_times + 1); /* third times and later will not check if it is leaf */ if ((t...

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths