[RFC] 2.4.0-test6-pre2 Merge softirq, local_irq_count, local_bh_count

[Paul Mackerras]

Keith Owens writes:

> This patch hits every arch.  It is being cross mailed to every arch
> mailing list that has not already confirmed that the patch works.
> Please trim replies to the relevant mailing list.

Seems to work ok on uniprocessor PPC.  The 2.4 kernels have problems
on SMP PPC boxes at the moment so I haven't tested it on SMP.

Have you done any measurements, with lmbench or whatever, to measure
how much performance improvement you get with the patch?

--
Paul Mackerras, Senior Open Source Researcher, Linuxcare, Inc.
+61 2 6262 8990 tel, +61 2 6262 8991 fax
paulus at linuxcare.com.au, http://www.linuxcare.com.au/
Linuxcare.  Support for the revolution.

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