Date: Wed, 11 Oct 2006 16:37:49 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: jhb@freebsd.org Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: 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 ... Message-ID: <20061011.163749.727379051.imp@bsdimp.com> In-Reply-To: <200610111807.47917.jhb@freebsd.org> References: <200610102323.k9ANNCYg095555@repoman.freebsd.org> <20061011.154814.-2001107226.imp@bsdimp.com> <200610111807.47917.jhb@freebsd.org>
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In message: <200610111807.47917.jhb@freebsd.org>
John Baldwin <jhb@FreeBSD.ORG> writes:
: On Wednesday 11 October 2006 17:48, M. Warner Losh wrote:
: > In message: <200610102323.k9ANNCYg095555@repoman.freebsd.org>
: > John Baldwin <jhb@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has mostly been replaced by the LAPIC timer...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
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