On 7/6/12 2:20 AM, Dong Liu wrote:
Is it possible to non-preemptible RCU in PREEMPT_RT kernel? I know it will reduce the system's RT performance, but we can make sure the reason of this cpu stall error is the preemptible RCU
I tried this approach. I made some change to init/Kconfig kernel/rcutree.c. Successful built the PREEMPT kerne with non-preemptible rcu implementation. But the kernel crashed at boot time :(
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