Date: Sat, 14 Jul 2001 17:03:24 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Matt Jacob <mjacob@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/alpha/alpha machdep.c mp_machdep.c vm_ma Message-ID: <XFMail.010714170324.jhb@FreeBSD.org> In-Reply-To: <200107142137.f6ELbwT56088@freefall.freebsd.org>
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On 14-Jul-01 Matt Jacob wrote:
> mjacob 2001/07/14 14:37:58 PDT
>
> Modified files:
> sys/alpha/alpha machdep.c mp_machdep.c vm_machdep.c
> sys/alpha/include smp.h
> Log:
> Fix reboot hangs that have happened with multiple processors
> on Alpha 4100s.
>
> Basically, if you're halting or you're rebooting, you should
> tell all other processors to halt first. Define IPI_HALT- IPI_STOP
> is not what we want for this purpose, which will call prom_halt(0)
> on receipt.
>
> The processor running the halt or reboot wil send an IPI_HALT to all
> other processors, delay a bit, then continue to do what what it was
> planning on doing (prom_halt({0|1})).
Are you sure we don't need to do the "real" halt on the boot processor like we
have to do on the x86?
--
John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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