Re: Sending cpu 0 back to SAL slave loop

Matthew Wilcox
2006-10-06T20:44:43Z

On Fri, Oct 06, 2006 at 03:39:10PM -0500, Jack Steiner wrote:
> For kexec, it is ESSENTIAL that all cpus except for the one doing
> the kexec be returned to the SAL slave loop. If this is not done, our
> chipset will misdirect IO interrupts on the newly exec'ed kernel.

Could you do an IPI call to have CPU 0 do the kexec and have the CPU
that sent the IPI fall into the SAL slave loop instead?