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http://perforce.freebsd.org/chv.cgi?CH=64689
Change 64689 by jhb@jhb_slimer on 2004/11/09 14:50:33
Update.
Affected files ...
.. //depot/projects/smpng/sys/notes#25 edit
Differences ...
==== //depot/projects/smpng/sys/notes#25 (text+ko) ====
@@ -51,6 +51,8 @@
a fast interrupt context
- "Optimize" atomic_store_rel() on i386 (it actually seems to be slower,
go figure)
+ + It is faster on UP, but slower on SMP, so tweak the patch so that we use
+ the non-MP safe 386 versions on all UP kernels.
- Optimize spin locks on UP such that they don't do atomic operations
- Untested
- Unbenchmarked
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