cvs commit: src/sys/dev/ppbus pps.c
M. Warner Losh
imp at bsdimp.com
Thu Mar 10 23:19:33 PST 2005
In message: <200503110703.j2B73kkP075469 at repoman.freebsd.org>
Warner Losh <imp at FreeBSD.org> writes:
: Make the pps interrupt register as MPSAFE and FAST. Use a spin lock
: to syncrhonize access to the data as a result. This makes the pps
: less likely to miss the 1ms pulse that I'm feeding it, but not
: entirely reliable yet on my 133MHz P5.
A quick check shows that the pulse is 20us, not 1000us.
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