Re: [PATCH rc5-rt2 0/3] plist: alternative implementation

[Ingo Molnar <mingo@elte.hu>]

* Oleg Nesterov <oleg@tv-sign.ru> wrote:

> Rediff against patch-2.6.15-rc5-rt2.
> 
> Nothing was changed except s/plist_next_entry/plist_first_entry/ to 
> match the current naming.

thanks Oleg, your patches look good to me, and it's a worthwile cleanup 
to make plist.h ops behave more like normal list.h ops. The new ops 
should be documented, but otherwise it looks OK.

(the resulting kernel doesnt build in PREEMPT_RT mode though, it's 
lib/plist.c not being converted yet?)

> These patches were only compile tested. This is beacuse I can't even 
> compile 2.6.15-rc5-rt2, I had to comment out this line
> 
> 	lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
> 
> in lib/Makefile. I think CONFIG_RWSEM_GENERIC_SPINLOCK means that 
> lib/rwsem.c should be ignored.
> 
> After that the kernel panics at boot time, the call trace shows
> 
> 	set_workqueue_thread_prio
> 	wake_up_process
> 	set_workqueue_prio
> 	init_workqueues
> 
> will try to look further on Tuesday.
> 
> Just to make it clear, these problems were _without_ these patches.

please try the -rt3 kernel, does it work any better?

	Ingo
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