* 2.4.20 sched.c never resets cpus_runnable for UP
@ 2003-03-26 0:32 Keith Owens
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From: Keith Owens @ 2003-03-26 0:32 UTC (permalink / raw)
To: linux-kernel
kernel/sched.c uses task_set_cpu() and task_release_cpu() to modify the
cpus_runnable flag. On UP, task_set_cpu() is called but
task_release_cpu() is not, it is wrapped in #ifdef CONFIG_SMP. The
result is that all tasks have cpus_runnable=1 and task_has_cpu()
reports true for all tasks.
How to confuse a debugger in one easy lesson :(
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2003-03-26 0:32 2.4.20 sched.c never resets cpus_runnable for UP Keith Owens
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