PD#SWPL-175090
Problem:
check mte enable/disable,
if mte disable, update flag to notify AO CPU.
Solution:
if mte disable, update flag to notify AO CPU.
Verify:
BL201
Change-Id: Ic1416ae5262b548f681a02ccbe15e4d98f0dc532
Signed-off-by: Yan Wang <yan.wang@amlogic.com>
PD#SWPL-119598
Problem:
system is too slow because the cpu5 is turned off
at system startup.
Solution:
turn on the cpu5 at system startup.
Verify:
SC2
Change-Id: I738fccb70c96d6495b314fa51cf319d5800c75a0
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
PD#SWPL-121806
Problem:
ret handler running in origin task context with preempt_disable
it's not safe for interrupt and may cause nested kprobe and miss
Solution:
disable irq in ret handler
add AMLOGIC_BGKI_KPROBES
Verify:
sc2
Change-Id: I143e874336d87b143d1607b8e9a7588f84d7bc55
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
PD#SWPL-116862
Problem:
media module memory optimization.
Solution:
disable the unused code for zapper.
reduce vmalloc used size from 17324k to 12556k.
Verify:
t215.
Test:
play video normally.
Change-Id: Iaa4c95c6641d76f80a11493c5c84f624cdac6424
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
PD#SWPL-104071
Problem:
The interface that actively triggers
HardLockup is at an illegal address.
Solution:
The interface is 'params', and in
/sys/kernel/debug/aml_debug/,you can echo
sysrq=x to this parameter to panic.
Verify:
SC2
Change-Id: I7b8f784f0f0fc2a5674e3c7386e81f13d8ec6d6b
Signed-off-by: qiankun.wang <qiankun.wang@amlogic.com>
PD#SWPL-106817
Problem:
scheduler profile
Solution:
1, check_preempt_wakeup avoid too frequently preempt
2, pick_next_task_fair try to find long-wait high prio task in big cgroup
3, add place_entity wakeup compensation factor
4, select rt more nice when curr is high prio cfs task
Verify:
aq222
Change-Id: I48324cae9aab49c5bc79a8979c6e88ec0b34f921
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
PD#SWPL-101578
Problem:
use vendor_hook print cpu and irq info
Solution:
use vendor_hook print cpu and irq info
Verify:
sc2
Change-Id: I52f0474ea55d4136933c0a2c12daf31eff4ab261
Signed-off-by: qinglin.li <qinglin.li@amlogic.com>
Yan Wang