[lkml]   [2014]   [Dec]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] pxa168: close race between napi and irq activation
From: Lino Sanfilippo <>
Date: Sun, 30 Nov 2014 11:49:36 +0100

> In pxa168_eth_open() the irqs are enabled before napi. This opens a tiny time
> window in which the irq handler is processed, disables irqs but then is not able
> to schedule the not yet activated napi, leaving irqs disabled forever (since
> irqs are reenabled in napi poll function).
> Fix this race by activating napi before irqs are activated.
> Signed-off-by: Lino Sanfilippo <>


 \ /
  Last update: 2014-12-06 07:01    [W:0.034 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site