]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: aaaa8cc) | patch
hv_netvsc: fix race in napi poll when rescheduling
authorStephen Hemminger <stephen@networkplumber.org>
Fri, 2 Mar 2018 21:49:05 +0000 (13:49 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 Mar 2018 03:18:20 +0000 (22:18 -0500)
commit39211d9e304f0888b04f600d41958bfb1953d481
tree0aba67f10cda81d2040138605e0be56f2472ac79tree | snapshot
parentaaaa8cc36eafea0fbccc4300e1f8f1052377c052commit | diff
hv_netvsc: fix race in napi poll when rescheduling

There is a race between napi_reschedule and re-enabling interrupts
which could lead to missed host interrrupts.  This occurs when
interrupts are re-enabled (hv_end_read) and vmbus irq callback
(netvsc_channel_cb) has already scheduled NAPI.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hyperv/netvsc.c diff | blob | history
Linux Kernel Source Tree.