a06f2d68dc
Current code is missing to handle the following race condition:
Before:
sti
|
V
handle softirq with
a while loop
| <----- if a new softirq generated at this point,
V it will be missed to be handled.
cli
|
V
return with unclear softirq bitmap
After:
again:
sti
|
V
handle softirq with
a while loop
|
V
cli
|
V
check if a new softirq generated, if yes,
jump back to above again lable point,
and do a while loop again.
|
V
return with clear softirq bitmap
Signed-off-by: Zheng, Gen <gen.zheng@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
|
||
|---|---|---|
| .. | ||
| hv_main.c | ||
| hypercall.c | ||
| io_request.c | ||
| schedule.c | ||
| stack_protector.c | ||
| trusty_hypercall.c | ||
| vm_load.c | ||