Re: [patch] SMP alternatives

From: Jeff Garzik
Date: Wed Nov 23 2005 - 16:46:34 EST

Andi Kleen wrote:
The idea was to turn LOCK on only if the process has any
shared writable mapping and num_online_cpus() > 0.

Yep. Though I presume you mean "> 1".

One hopes that num_online_cpus() never reaches zero during runtime ;-)


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at