qiankun.wang 71faedf8bb IOTM: ensure trace data integrity. [1/1]
PD#SWPL-170602

Problem:
printk messages dropped when dump trace in NMI processing.
iotm may write 0x0 when restart iotm.

Solution:
preempting status is properly managed during NMI processing.
start/stop iotm according to write IOTM_CTRL_MODE.

Verify:
t6d

Change-Id: Id8886f2b9a7e8def8d0243fdedcd88b79ed7e208
Signed-off-by: qiankun.wang <qiankun.wang@amlogic.com>
2024-09-14 01:44:05 -07:00
S
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