lkml.org 
[lkml]   [2013]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH net-next v2 9/9] xen-netback: Aggregate TX unmap operations
On Thu, Dec 12, 2013 at 11:48:17PM +0000, Zoltan Kiss wrote:
> Unmapping causes TLB flushing, therefore we should make it in the largest
> possible batches. However we shouldn't starve the guest for too long. So if
> the guest has space for at least two big packets and we don't have at least a
> quarter ring to unmap, delay it for at most 1 milisec.
>

Is this solution temporary or permanent? If it is permanent would it
make sense to make these parameter tunable?

Wei.


\
 
 \ /
  Last update: 2013-12-13 17:01    [W:0.181 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site