On 2020/6/2 下午6:16, Jason Wang wrote:
On 2020/6/2 下午5:42, Dan Carpenter wrote:
Hi Zhu,
url:
https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
linux-n
On 2020/6/2 下午5:42, Dan Carpenter wrote:
Hi Zhu,
url:
https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: x86_64-randconfig-m001-202
Hi Zhu,
url:
https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vdpa-bypass-waking-up-vhost_woker-for-vdpa-vq-kick/20200526-133819
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: x86_64-randconfig-m001-20200529 (attached as .config)
compiler: gcc-9 (
On 2020/5/26 下午1:32, Zhu Lingshan wrote:
Standard vhost devices rely on waking up a vhost_worker to kick
a virtquque. However vdpa devices have hardware backends, so it
does not need this waking up routin. In this commit, vdpa device
will kick a virtqueue directly, reduce the performance overhe
Hi Zhu,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on vhost/linux-next]
[also build test WARNING on v5.7-rc7 next-20200526]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base'
Standard vhost devices rely on waking up a vhost_worker to kick
a virtquque. However vdpa devices have hardware backends, so it
does not need this waking up routin. In this commit, vdpa device
will kick a virtqueue directly, reduce the performance overhead
caused by waking up a vhost_woker.
Signed
