Messages in this thread | | | Subject | Re: [PATCH][2.5] fix for_each_cpu compilation on UP | Date | Fri, 17 Jan 2003 10:03:55 -0500 | From | James Bottomley <> |
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zwane@holomorphy.com said: > This adds a definition for for_each_cpu when !CONFIG_SMP > Please apply
Could you elaborate on the purpose of this a bit? for_each_cpu() is only used by the voyager subarch on x86 to traverse sparse CPU bitmaps efficiently in critical path code. It has no other use in x86 SMP because all other subarch's tend to compact the CPU bitmap much more.
If there are other uses for the construct, it should probably be put in bitops and become for_each_bit(i, mask)
James
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