tree 9de4b9a992aa2a521bfba73b941310dd8e09ea60
parent e74fbd030223e29d269f4be17e3dce6de38f4c28
author Tim Gardner <timg@tpi.com> 1303290049 +0000
committer David S. Miller <davem@davemloft.net> 1303445072 -0700

atl1c: Fix work event interrupt/task races

The mechanism used to initiate work events from the interrupt
handler has a classic read/modify/write race between the interrupt
handler that sets the condition, and the worker task that reads and
clears the condition. Close these races by using atomic
bit fields.

Cc: stable@kernel.org
Cc: Jie Yang <jie.yang@atheros.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>