[Deepin-Kernel-SIG] [linux 6.6-y] deepin: config: adjust PSI and RCU config

[opsiff]

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

[deepin-ci-robot]

deepin pr auto review

代码审查意见：

1. 配置项重复添加：

   • 在 deepin_arm64_desktop_defconfig、deepin_loongarch_desktop_defconfig 和 deepin_x86_desktop_defconfig 中，CONFIG_PSI 配置项被重复添加。建议检查是否有遗漏，并确保每个配置项只添加一次。

2. RCU 配置项：

   • CONFIG_RCU_EXPERT、CONFIG_RCU_BOOST、CONFIG_RCU_NOCB_CPU、CONFIG_RCU_LAZY 和 CONFIG_RCU_LAZY_DEFAULT_OFF 这些配置项在多个架构的配置文件中重复出现。建议确认这些配置项是否必要，并考虑是否可以在一个通用的配置文件中定义，以避免重复。

3. 配置项的顺序：

   • 配置项的顺序在各个文件中可能不一致，建议统一配置项的添加顺序，以提高代码的可读性和一致性。

4. 配置项的注释：

   • 在配置文件中添加适当的注释，解释每个配置项的作用和影响，有助于其他开发者理解配置项的用途。

5. 配置项的依赖性：

   • 确保添加的配置项之间没有依赖关系问题，例如，某些配置项可能需要其他配置项的支持。

6. 配置项的版本兼容性：

   • 确保添加的配置项与当前内核版本兼容，避免引入不兼容的问题。

7. 配置项的文档更新：

   • 如果这些配置项的修改会影响用户或开发者，建议更新相应的文档，说明配置项的变更和影响。

综上所述，建议对配置文件进行全面的审查，确保配置项的正确性、一致性和兼容性，并添加必要的注释和文档。

[deepin-ci-robot]

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[Avenger-285714]

/lgtm