[linux-yocto] v2 RR for potential kernel crash from commit efb5fea23

Hi, This is v2 as Paul's comments, please take them if any. Cheers, Zumeng -- ___ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto

[linux-yocto] [v2 PATCH 1/7] workqueue: use manager lock only to protect worker_idr

From: Lai Jiangshan la...@cn.fujitsu.com commit 9625ab1727743f6a164df26b7b1eeeced7380b42 upstream worker_idr is highly bound to managers and is always/only accessed in manager lock context. So we don't need pool-lock for it. Signed-off-by: Lai Jiangshan la...@cn.fujitsu.com Signed-off-by: Tejun

[linux-yocto] [v2 PATCH 3/7] workqueue: async worker destruction

From: Lai Jiangshan la...@cn.fujitsu.com commit 60f5a4bcf852b5dec698b08cd34efc302ea72f2b upstream worker destruction includes these parts of code: adjust pool's stats remove the worker from idle list detach the worker from the pool kthread_stop() to wait for the

[linux-yocto] [v2 PATCH 6/7] workqueue: convert worker_idr to worker_ida

From: Lai Jiangshan la...@cn.fujitsu.com commit 7cda9aae0596d871a8d7a6888d7b447c60e5ab30 upstream We no longer iterate workers via worker_idr and worker_idr is used only for allocating/freeing ID, so we can convert it to worker_ida. By using ida_simple_get/remove(), worker_ida doesn't require