lkml.org 
[lkml]   [2007]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu
> Are we putting the system back in PIC mode or virtual wire mode? I have
> not seen systems which support PIC mode. All latest systems seems
> to be having virtual wire mode. I think in case of PIC mode, interrupts

Yes it's probably virtual wire. For real PIC mode we would need really
old systems without APIC.

> can be delivered to cpu0 only. In virt wire mode, one can program IOAPIC
> to deliver interrupt to any of the cpus and that's what we have been

The code doesn't try to program anything specific, it just restores the state
that was left over originally by the BIOS.

-Andi
-
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/

\
 
 \ /
  Last update: 2007-11-27 23:27    [W:1.173 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site