Date: Sat, 14 Jul 2001 14:37:58 -0700 (PDT) From: Matt Jacob <mjacob@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/alpha machdep.c mp_machdep.c vm_machdep.c src/sys/alpha/include smp.h Message-ID: <200107142137.f6ELbwT56088@freefall.freebsd.org>
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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})).
Revision Changes Path
1.135 +12 -4 src/sys/alpha/alpha/machdep.c
1.23 +4 -1 src/sys/alpha/alpha/mp_machdep.c
1.56 +12 -1 src/sys/alpha/alpha/vm_machdep.c
1.5 +2 -1 src/sys/alpha/include/smp.h
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