CHROMIUM: mesh: remove mpp path debug dump
remove mpp_path_table_debug_dump from rx path because
rhashtable_walk_enter is preempt-able and could sleep.
A deadlock happens when rhashtable_walk_enter is called
from worker thread with softirq enabled, and it's
preempted by softirq while holding a lock, then
mpp_path_table_debug_dump is called from net_rx_action
in softirq to grab the same lock.
BUG=b:168345283
TEST=build
Signed-off-by: Roy Luo <royluo@google.com>
Change-Id: I24202bb70b335ce70ad7135ef3e892a94d16e17f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2409720
Reviewed-by: Kan Yan <kyan@chromium.org>
1 file changed
