Re: Linux 2.1.108: SIGSEGV on doing cpuid in ring 3

Alan Cox (
Tue, 7 Jul 1998 17:54:06 +0100 (BST)

> The Intel PII manual says (on page 3-70 of Volume 2) that CPUID can be
> used in any ring so I don't need to be in the kernel.
> Any ideas why it gets a SIGSEGV?

Maybe you should execute something after the cpuid - like syscall(exit)

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