Commit 0e0387c
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deepin: config: adjust PSI and RCU config
config: adjust PSI and RCU config
[1] CONFIG_PSI: It has already enabled in x86 and loongarch config,
enable it on arm64 config.
[2] CONFIG_RCU_BOOST:
Config helps to boost the priority of preempted RCU readers that
block the current preemptible RCU grace period for too long.
Enable CONFIG_RCU_BOOST for x86, arm64, loongarch architectures.
Link:https://android.googlesource.com/kernel/common/+/83571e3b13db8d4ce64cc62644b35181125867cf
[3] CONFIG_RCU_LAZY:
It is still disabled by default. Must specify
rcutree.enable_rcu_lazy and rcu_nocbs=all in boot time parameter
to actually enable it.
Link:https://android.googlesource.com/kernel/common/+/61dd43b723d3553a794be6a279ec330db059ea98
[4] CONFIG_RCU_EXPERT, CONFIG_RCU_NOCB_CPU:
Enable configs needed for RCU perf/power optimizations
Link:https://android.googlesource.com/kernel/common/+/e9b2f28785260537f78edc901e65592f9e1869af
Signed-off-by: Wentao Guan <[email protected]>1 parent 5c62e9f commit 0e0387c
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