Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U5
From: Ingo Molnar
Date: Mon Oct 18 2004 - 11:56:24 EST
* Mark_H_Johnson@xxxxxxxxxxxx <Mark_H_Johnson@xxxxxxxxxxxx> wrote:
> >i have released the -U5 Real-Time Preemption patch:
> >
> >
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc4-mm1-U5
>
> I am getting build problems - specifically with:
> CC [M] drivers/char/ipmi/ipmi_watchdog.o
> If I read the patch correctly, this should be recoded as
> DECLARE_MUTEX
> instead, but a quick grep of the source code indicates we have about
> 20 more places where DECLARE_MUTEX_LOCKED is still used. Should I do
> a global replace on that or is something else needed?
it's not normally used, and it's much simpler to rewrite those places
than to implement initialization. (which would be quite hairy)
> I also had a compile failure in XFS. The messages are:
> CC [M] fs/xfs/quota/xfs_dquot_item.o
> CC [M] fs/xfs/quota/xfs_trans_dquot.o
ok, i've re-uploaded a new version of -U5 that has this and the
ipmi_watchdog compilation problems fixed.
please check whether it works, XFS does not seem to make use of count>1
semaphores but one never knows ...
Ingo
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