ionic: avoid races in ionic_heartbeat_check

Browse source

Rework the heartbeat checks to be sure that we're getting an
atomic operation.  Through testing we found occasions where a
separate thread could clash with this check and cause erroneous
heartbeat check results.

Signed-off-by: Allen Hubbe <allenbh@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Shannon Nelson 2021-03-30 12:52:09 -07:00 • committed by David S. Miller

parent 230efff47a

commit b2b9a8d7ed

2 changed files with 63 additions and 37 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

93

drivers/net/ethernet/pensando/ionic/ionic_dev.c

View file

7

drivers/net/ethernet/pensando/ionic/ionic_dev.h

View file