lkml.org 
[lkml]   [2013]   [Mar]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 1/5] net: implement support for low latency socket polling
> Alternative to 2) would be to use a generation id, incremented every
> time a napi used in spin polling enabled driver is dismantled (and freed
> after RCU grace period)
>
> And store in sockets not only the pointer to napi_struct, but the
> current generation id : If the generation id doesnt match, disable
> the spinpoll until next packet rebuilds the cache again.

This would require rcu_read_lock, aka preempt off, during polling, right?

-Andi

--
ak@linux.intel.com -- Speaking for myself only.


\
 
 \ /
  Last update: 2013-03-03 20:41    [W:0.098 / U:0.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site