Testing needed for new pipe code (in master)

Hasso Tepper hasso at estpak.ee
Mon Jul 13 02:56:28 PDT 2009

Matthew Dillon wrote:
>     I have substantially rewritten kern/sys_pipe.c, which is our
> support for pipes.  It should work quite well on a SMP box now. 
> Performance on UP boxes might be a bit lower then the old code but the
> difference should not be noticable for any production workload.
>     To test the SMP improvements set sysctl kern.pipe.mpsafe=1.

UP kernel is broken:

/home/hasso/dragonfly-src/sys/kern/sys_pipe.c:804: error: 'pipe_mpsafe' 
undeclared (first use in this function)

Hasso Tepper

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