Messages in this thread | | | Subject | Re: [RFC, patch] i386: vgetcpu(), take 2 | From | Andi Kleen <> | Date | 21 Jun 2006 11:26:06 +0200 |
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Chuck Ebbert <76306.1226@compuserve.com> writes:
> Use a GDT entry's limit field to store per-cpu data for fast access > from userspace, and provide a vsyscall to access the current CPU > number stored there.
Just the CPU alone is useless - you want at least the node too in many cases. Best you use the prototype I proposed earlier for x86-64.
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