lkml.org 
[lkml]   [2024]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH net-next v6 3/4] eventpoll: Add per-epoll prefer busy poll option
On Wed, Feb 7, 2024 at 8:04 PM Jakub Kicinski <kuba@kernel.org> wrote:
>
> On Mon, 5 Feb 2024 21:04:48 +0000 Joe Damato wrote:
> > When using epoll-based busy poll, the prefer_busy_poll option is hardcoded
> > to false. Users may want to enable prefer_busy_poll to be used in
> > conjunction with gro_flush_timeout and defer_hard_irqs_count to keep device
> > IRQs masked.
> >
> > Other busy poll methods allow enabling or disabling prefer busy poll via
> > SO_PREFER_BUSY_POLL, but epoll-based busy polling uses a hardcoded value.
> >
> > Fix this edge case by adding support for a per-epoll context
> > prefer_busy_poll option. The default is false, as it was hardcoded before
> > this change.
>
> Reviewed-by: Jakub Kicinski <kuba@kernel.org>

Reviewed-by: Eric Dumazet <edumazet@google.com>

\
 
 \ /
  Last update: 2024-05-27 14:55    [W:1.249 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site