Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-13 Thread Jason Wang
; xudingke Subject: Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails On 2020/12/9 下午9:27, wangyunjian wrote: -Original Message- From: Michael S. Tsirkin [mailto:m...@redhat.com] Sent: Wednesday, December 9, 2020 8:50 PM To: wangyunjian Cc: jasow...@redhat.com; virtualizat

Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-13 Thread Jason Wang
; xudingke Subject: Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails On 2020/12/9 下午9:27, wangyunjian wrote: -Original Message- From: Michael S. Tsirkin [mailto:m...@redhat.com] Sent: Wednesday, December 9, 2020 8:50 PM To: wangyunjian Cc: jasow...@redhat.com; virtualizat

RE: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-10 Thread wangyunjian
2020 8:50 PM > >> To: wangyunjian > >> Cc: jasow...@redhat.com; virtualizat...@lists.linux-foundation.org; > >> netdev@vger.kernel.org; Lilijun (Jerry) ; > >> chenchanghu ; xudingke > > >> Subject: Re: [PATCH net] vhost_net: fix high cpu load when sen

Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-10 Thread Jason Wang
) ; chenchanghu ; xudingke Subject: Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails On Wed, Dec 09, 2020 at 07:48:24PM +0800, wangyunjian wrote: From: Yunjian Wang Currently we break the loop and wake up the vhost_worker when sendmsg fails. When the worker wakes up again, we'll mee

RE: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-09 Thread wangyunjian
dingke > Subject: Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails > > On Wed, Dec 09, 2020 at 07:48:24PM +0800, wangyunjian wrote: > > From: Yunjian Wang > > > > Currently we break the loop and wake up the vhost_worker when sendmsg > > fails. Whe

Re: [PATCH net] vhost_net: fix high cpu load when sendmsg fails

2020-12-09 Thread Michael S. Tsirkin
On Wed, Dec 09, 2020 at 07:48:24PM +0800, wangyunjian wrote: > From: Yunjian Wang > > Currently we break the loop and wake up the vhost_worker when > sendmsg fails. When the worker wakes up again, we'll meet the > same error. This will cause high CPU load. To fix this issue, > we can skip this de