On Sun, May 28, 2023 at 7:39 PM Michael S. Tsirkin wrote:
>
> On Fri, May 26, 2023 at 09:31:34AM +0800, Jason Wang wrote:
> > On Thu, May 25, 2023 at 3:41 PM Michael S. Tsirkin wrote:
> > >
> > > On Thu, May 25, 2023 at 11:43:34AM +0800, Jason Wang wrote:
> > > > On Wed, May 24, 2023 at 5:15 PM
On Sun, May 28, 2023 at 3:57 PM Michael S. Tsirkin wrote:
>
> On Fri, May 26, 2023 at 02:30:41PM +0800, Jason Wang wrote:
> > This patch validate
>
> validates
>
> > the used buffer length provided by the device
> > before trying to use it.
>
> before returning it to caller
>
> > This is done by
On 5/27/23 8:41 PM, Eric W. Biederman wrote:
> Mike Christie writes:
>
>> On 5/23/23 7:15 AM, Oleg Nesterov wrote:
>>>
>>> Now the main question. Whatever we do, SIGKILL/SIGSTOP/etc can come right
>>> before we call work->fn(). Is it "safe" to run this callback with
>>> signal_pending() or
On Fri, May 26, 2023 at 09:31:34AM +0800, Jason Wang wrote:
> On Thu, May 25, 2023 at 3:41 PM Michael S. Tsirkin wrote:
> >
> > On Thu, May 25, 2023 at 11:43:34AM +0800, Jason Wang wrote:
> > > On Wed, May 24, 2023 at 5:15 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Wed, May 24, 2023
On Sat, May 27, 2023 at 02:15:42AM +0800, Zhu Lingshan wrote:
> Current virtio-net only probes a device with VIRITO_ID_NET == 1.
>
> For a modern-transtional virtio-net device which has a transtional
> device id 0x1000 and acts as a modern device, current virtio-pci
> modern driver will assign
On Fri, May 26, 2023 at 02:30:41PM +0800, Jason Wang wrote:
> This patch validate
validates
> the used buffer length provided by the device
> before trying to use it.
before returning it to caller
> This is done by remembering the in buffer
> length in a dedicated array during virtqueue_add(),
On Sat, May 27, 2023 at 08:35:01PM +0800, Liang Chen wrote:
> On Fri, May 26, 2023 at 2:51 PM Jason Wang wrote:
> >
> > On Fri, May 26, 2023 at 1:46 PM Liang Chen
> > wrote:
> > >
> > > The implementation at the moment uses one page per packet in both the
> > > normal and XDP path.
> >
> > It's
On Fri, May 26, 2023 at 02:38:54PM +0800, Jason Wang wrote:
> On Fri, May 26, 2023 at 1:46 PM Liang Chen wrote:
> >
> > "private" of buffer page is currently used for big mode to chain pages.
> > But in mergeable mode, that offset of page could mean something else,
> > e.g. when page_pool page is
On Sat, May 27, 2023 at 12:11:25AM +0800, kernel test robot wrote:
> Hi Liang,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on net-next/main]
>
> url:
>
On Fri, May 26, 2023 at 01:46:19PM +0800, Liang Chen wrote:
> To further enhance performance, implement page pool fragmentation
> support and introduce a module parameter to enable or disable it.
>
> In single-core vm testing environments, there is an additional performance
> gain observed in the
On Fri, May 26, 2023 at 01:46:18PM +0800, Liang Chen wrote:
> The implementation at the moment uses one page per packet in both the
> normal and XDP path. In addition, introducing a module parameter to enable
> or disable the usage of page pool (disabled by default).
>
> In single-core vm testing
On Fri, May 26, 2023 at 01:46:17PM +0800, Liang Chen wrote:
> "private" of buffer page is currently used for big mode to chain pages.
> But in mergeable mode, that offset of page could mean something else,
> e.g. when page_pool page is used instead. So excluding mergeable mode to
> avoid such a
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