cvs commit: src/sys/dev/syscons/apm apm_saver.c src/sys/i386/bios apm.c apm.h

[John Baldwin]

On Thursday 01 June 2006 00:27, Gleb Smirnoff wrote:
> On Wed, May 31, 2006 at 11:23:01AM -0400, John Baldwin wrote:
> J> Nah, that was phk's other timekeeping code to see which timeouts take a 
long 
> J> time to execute.  The THREAD_NO_SLEEPING() stuff was added just before 
6.0 
> J> was released and replaced a couple of "special" mutexes that were held 
just 
> J> to provoke WITNESS warnings.
> 
> To take a long time to execute one doesn't need to sleep, it can also do
> a lot of job.

Yes, but sleeping in softclock leads to deadlock much more quickly than a 
long-running callout.

-- 
John Baldwin