Messages in this thread |  | | | Date | Thu, 30 Jun 2005 15:59:21 -0700 (PDT) | | From | William Weston <> | | Subject | Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 |
| |
On Fri, 1 Jul 2005, Karsten Wiese wrote: > > <snip> > --- linux-2.6.12-RT-50-35/arch/i386/kernel/mpparse.c 2005-06-30 16:38:00.000000000 +0200 > +++ linux-2.6.12-RT/arch/i386/kernel/mpparse.c 2005-06-29 20:30:50.000000000 +0200 > @@ -263,6 +263,7 @@ > return; > } > mp_ioapics[nr_ioapics] = *m; > + io_apic_base[nr_ioapics] = IO_APIC_BASE(nr_ioapics); > nr_ioapics++; > } > > @@ -914,6 +915,7 @@ > mp_ioapics[idx].mpc_apicaddr = address; > > set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); > + io_apic_base[idx] = IO_APIC_BASE(idx); > mp_ioapics[idx].mpc_apicid = io_apic_get_unique_id(idx, id); > mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx); > </snip> > > It provides the precalculation of the ioapics's virtual address. > Or does IO_APIC_BASE() compile to an indexed lookup? > then io_apic_base[] wouldn't be needed...
Thanks, Karsten. This patch was needed to get my Xeon/HT (i865) to boot -50-39. Next I'll see if IOAPIC_FAST will work. I'll keep you posted.
--ww - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |