cvs commit: src/sys/amd64/amd64 intr_machdep.c io_apic.c local_apic.c machdep.c mp_machdep.c src/sys/amd64/include apicvar.h intr_machdep.h src/sys/amd64/isa atpic.c src/sys/i386/i386 intr_machdep.c io_apic.c local_apic.c ...

[M. Warner Losh]

In message: <200610111807.47917.jhb at freebsd.org>
            John Baldwin <jhb at FreeBSD.ORG> writes:
: On Wednesday 11 October 2006 17:48, M. Warner Losh wrote:
: > In message: <200610102323.k9ANNCYg095555 at repoman.freebsd.org>
: >             John Baldwin <jhb at FreeBSD.org> writes:
: > : jhb         2006-10-10 23:23:12 UTC
: > : 
: > :   FreeBSD src repository
: > : 
: > :   Modified files:
: > :     sys/amd64/amd64      intr_machdep.c io_apic.c local_apic.c 
: > :                          machdep.c mp_machdep.c 
: > :     sys/amd64/include    apicvar.h intr_machdep.h 
: > :     sys/amd64/isa        atpic.c 
: > :     sys/i386/i386        intr_machdep.c io_apic.c local_apic.c 
: > :                          mp_machdep.c 
: > :     sys/i386/include     apicvar.h intr_machdep.h 
: > :     sys/i386/isa         atpic.c 
: > :   Log:
: > :   Change the x86 interrupt code to suspend/resume interrupt controllers
: > :   (PICs) rather than interrupt sources.  This allows interrupt controllers
: > :   with no interrupt pics (such as the 8259As when APIC is in use) to
: > :   participate in suspend/resume.
: > :   - Always register the 8259A PICs even if we don't use any of their pins.
: > :   - Explicitly reset the 8259As on resume on amd64 if 'device atpic' isn't
: > :     included.
: > :   - Add a "dummy" PIC for the local APIC on the BSP to reset the local 
: APIC
: > :     on resume.  This gets suspend/resume working with APIC on UP systems.
: > :     SMP still needs more work to bring the APs back to life.
: > :   
: > :   The MFC after is tentative.
: > 
: > This likely obsoletes the pmtimer device.
: 
: Nope, that resumes the RTC and ISA timer, not the PICs.

Ah yes.  quite right.  I was confused because the ISA interval timer
has mostly been replaced by the LAPIC timer...

warner