On Thu, 11 Nov 2021 10:02:01 -0500, Michael S. Tsirkin wrote:
> On Thu, Nov 11, 2021 at 02:52:07PM +0800, Xuan Zhuo wrote:
> > On Wed, 10 Nov 2021 07:53:44 -0500, Michael S. Tsirkin
> > wrote:
> > > On Mon, Nov 08, 2021 at 10:47:40PM +0800, Xuan Zhuo wrote:
> > > > On Mon, 8 Nov 2021 08:49:27 -0
On Thu, Nov 11, 2021 at 02:52:07PM +0800, Xuan Zhuo wrote:
> On Wed, 10 Nov 2021 07:53:44 -0500, Michael S. Tsirkin
> wrote:
> > On Mon, Nov 08, 2021 at 10:47:40PM +0800, Xuan Zhuo wrote:
> > > On Mon, 8 Nov 2021 08:49:27 -0500, Michael S. Tsirkin
> > > wrote:
> > > >
> > > > Hmm a bunch of com
On Wed, 10 Nov 2021 07:53:44 -0500, Michael S. Tsirkin wrote:
> On Mon, Nov 08, 2021 at 10:47:40PM +0800, Xuan Zhuo wrote:
> > On Mon, 8 Nov 2021 08:49:27 -0500, Michael S. Tsirkin
> > wrote:
> > >
> > > Hmm a bunch of comments got ignored. See e.g.
> > > https://lore.kernel.org/r/20211027043851
On Wed, Nov 10, 2021 at 07:53:49AM -0500, Michael S. Tsirkin wrote:
> On Mon, Nov 08, 2021 at 10:47:40PM +0800, Xuan Zhuo wrote:
> > On Mon, 8 Nov 2021 08:49:27 -0500, Michael S. Tsirkin
> > wrote:
> > >
> > > Hmm a bunch of comments got ignored. See e.g.
> > > https://lore.kernel.org/r/202110270
On Mon, Nov 08, 2021 at 10:47:40PM +0800, Xuan Zhuo wrote:
> On Mon, 8 Nov 2021 08:49:27 -0500, Michael S. Tsirkin wrote:
> >
> > Hmm a bunch of comments got ignored. See e.g.
> > https://lore.kernel.org/r/20211027043851-mutt-send-email-mst%40kernel.org
> > if they aren't relevant add code comment
On Tue, 9 Nov 2021 08:03:18 -0500, Michael S. Tsirkin wrote:
> On Mon, Nov 08, 2021 at 07:49:48PM +0800, Xuan Zhuo wrote:
> > 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 t
On Mon, Nov 08, 2021 at 07:49:48PM +0800, Xuan Zhuo wrote:
> 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 de
On Mon, 8 Nov 2021 08:49:27 -0500, Michael S. Tsirkin wrote:
>
> Hmm a bunch of comments got ignored. See e.g.
> https://lore.kernel.org/r/20211027043851-mutt-send-email-mst%40kernel.org
> if they aren't relevant add code comments or commit log text explaining the
> design choice please.
I should
On Mon, Nov 08, 2021 at 07:49:48PM +0800, Xuan Zhuo wrote:
> 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 de
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
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