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SubjectRe: finding out the boot cpu number from userspace
FromAlan Cox <>
DateMon, 02 Aug 2004 18:42:29 +0100
On Llu, 2004-08-02 at 18:23, Martin J. Bligh wrote:
> Eric went to some lengths to migrate us back to the original boot CPU
> before kexec'ing. I think this is unnecessary - the new kernel should
> handle booting on any CPU just fine (there was a panic in there at one
> point if the boot CPU didn't match the BIOS's spec'ed one, but I removed
> it).

Several systems have broken SMM or BIOS functionality that requires the
*real* boot processor is used. The panic was correct and should be
restored. See apm_power_off() for one example.


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