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Re: CVS commit: src/sys
On Fri, Feb 15, 2008 at 11:50:37AM +0900, YAMAMOTO Takashi wrote:
> > Module Name: src
> > Committed By: ad
> > Date: Thu Feb 14 14:26:58 UTC 2008
> > Modified Files:
> > src/sys/arch/sparc/sparc: cpu.c
> > src/sys/kern: kern_cpu.c kern_idle.c kern_kthread.c kern_sleepq.c
> > kern_synch.c kern_turnstile.c sched_4bsd.c sched_m2.c sys_lwp.c
> > src/sys/sys: sched.h
> > Log Message:
> > Make schedstate_percpu::spc_lwplock an exernally allocated item. Remove
> > the hacks in sparc/cpu.c to reinitialize it. This should be in its own
> > cache line but that's another change.
> what's the main motivation of this change?
To eliminate the sparc cpu.c hack that reinitialized spc_lwplock. I don't
understand why the hack wasn't working.
Eventually I would like to put this lock and many others into their own
cache lines on MP systems. Something like the following but with support
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