Re: [PATCH v5 REPOST 1/6] hw_random: place mutex around read functions and buffers.

> > A bit late to a party, but: > > On Mon, Dec 8, 2014 at 12:50 AM, Amos Kong wrote: > > From: Rusty Russell > > > > There's currently a big lock around everything, and it means that we > > can't query sysfs (eg /sys/devices/virtual/misc/hw_random/rng_current) > > while the rng is reading. T

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

> > On 08/03/2017 04:13 PM, Pankaj Gupta wrote: > >> > >> +/* Allocate space for find_vqs parameters */ > >> +vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL); > >> +if (!vqs) > >> +goto err_vq; > >>

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

> > Add a new vq to report hints of guest free pages to the host. > > Signed-off-by: Wei Wang > Signed-off-by: Liang Li > --- > drivers/virtio/virtio_balloon.c | 164 > ++-- > include/uapi/linux/virtio_balloon.h | 1 + > 2 files changed, 140 insertions(+

Re: [PATCH net-next 7/8] vhost_net: try batch dequing from skb array

Hi Jason, > > On 2017年03月23日 13:34, Jason Wang wrote: > > > > > >> > >>> +{ > >>> +if (rvq->rh != rvq->rt) > >>> +goto out; > >>> + > >>> +rvq->rh = rvq->rt = 0; > >>> +rvq->rt = skb_array_consume_batched_bh(rvq->rx_array, rvq->rxq, > >>> +VHOST_RX_BATC

Re: [PATCH 2/2] vhost: lockless enqueuing

> > > > On 04/26/2016 02:24 PM, Pankaj Gupta wrote: > > Hi Jason, > > > > Overall patches look good. Just one doubt I have is below: > >> We use spinlock to synchronize the work list now which may cause > >> unnecessary contentions. So th

Re: [PATCH 2/2] vhost: lockless enqueuing

Hi Jason, Overall patches look good. Just one doubt I have is below: > > We use spinlock to synchronize the work list now which may cause > unnecessary contentions. So this patch switch to use llist to remove > this contention. Pktgen tests shows about 5% improvement: > > Before: > ~130 pps

Re: [RFC v2 -next 0/2] virtio-net: Advised MTU feature

> > The following series adds the ability for a hypervisor to set an MTU on the > guest during feature negotiation phase. This is useful for VM orchestration > when, for instance, tunneling is involved and the MTU of the various systems > should be homogenous. > > The first patch adds the featur

Re: [RFC] virtio_net: Adding tx_timeout function.

> On Wed, Jun 24, 2015 at 10:31:09PM -0300, Julio Faracco wrote: > > 2015-06-24 3:10 GMT-03:00 Michael S. Tsirkin : > > > > > > On Tue, Jun 23, 2015 at 10:44:29PM -0300, Julio Faracco wrote: > > > > virtio_net paravirtualized driver does not have a tx_timeout() function > > > > to > > > > guarante

Re: [PATCH RFC v4 net-next 0/5] virtio_net: enabling tx interrupts

> > On Tue, Dec 02, 2014 at 09:59:48AM +0008, Jason Wang wrote: > > > > > > On Tue, Dec 2, 2014 at 5:43 PM, Michael S. Tsirkin wrote: > > >On Tue, Dec 02, 2014 at 08:15:02AM +0008, Jason Wang wrote: > > >> On Tue, Dec 2, 2014 at 11:15 AM, Jason Wang > > >>wrote: > > >> > > > >> > > > >> >

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