On Thu, Oct 28, 2021 at 9:59 AM Xuan Zhuo wrote:
>
> On Wed, 27 Oct 2021 08:55:28 -0700, Jakub Kicinski wrote:
> > On Wed, 27 Oct 2021 14:19:13 +0800 Xuan Zhuo wrote:
> > > +static bool virtio_desc_cache = true;
> > > module_param(csum, bool, 0444);
> > > module_param(gso, bool, 0444);
> > > m
On Wed, 27 Oct 2021 08:55:28 -0700, Jakub Kicinski wrote:
> On Wed, 27 Oct 2021 14:19:13 +0800 Xuan Zhuo wrote:
> > +static bool virtio_desc_cache = true;
> > module_param(csum, bool, 0444);
> > module_param(gso, bool, 0444);
> > module_param(napi_tx, bool, 0644);
> > +module_param(virtio_desc_
If the VIRTIO_RING_F_INDIRECT_DESC negotiation succeeds, and the number
of sgs used for sending packets is greater than 1. We must constantly
call __kmalloc/kfree to allocate/release desc.
In the case of extremely fast package delivery, the overhead cannot be
ignored:
27.46% [kernel] [k] virt
