Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu | KernelTrap

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu

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From: Andi Kleen <andi@...>

To: Vivek Goyal <vgoyal@...>

Cc: Neil Horman <nhorman@...>, Ben Woodard <woodard@...>, <kexec@...>, <linux-kernel@...>, Andi Kleen <ak@...>, <hbabu@...>, Eric W. Biederman <ebiederm@...>

Subject: Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu

Date: Tuesday, November 27, 2007 - 6:24 pm

> Are we putting the system back in PIC mode or virtual wire mode? I have
quoted text> 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.

quoted text> 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
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Messages in current thread:

[PATCH] kexec: force x86_64 arches to boot kdump kernels on ..., Neil Horman, (Mon Nov 26, 9:47 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 12:12 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:13 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 9:28 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 9:45 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 10:56 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 2:41 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 3:42 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Tue Nov 27, 4:00 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 6:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 7:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Wed Nov 28, 11:36 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 12:02 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 1:36 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 2:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Wed Nov 28, 3:05 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 3:42 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Thu Nov 29, 10:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Thu Nov 29, 10:54 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Nov 30, 4:59 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Nov 30, 10:35 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Nov 30, 10:32 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 5:09 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 7:27 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Thu Nov 29, 10:12 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Nov 30, 10:42 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Nov 30, 10:51 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 5:39 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Thu Dec 6, 6:11 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Thu Dec 6, 8:33 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Dec 7, 4:50 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Dec 7, 5:22 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 10:21 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Fri Dec 7, 2:36 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 2:48 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 1:58 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Mon Dec 10, 9:08 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Mon Dec 10, 11:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 12:48 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 11:29 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 2:22 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 2:46 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 3:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 3:51 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 4:59 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Wed Dec 12, 10:21 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Dec 12, 11:55 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Wed Dec 12, 12:07 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Dec 12, 3:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Dec 12, 4:22 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Dec 12, 5:32 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 13, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Thu Dec 13, 11:16 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 13, 11:32 am)

Re: [PATCH] k8: Enable legacy irqs with extended cpu ids, Eric W. Biederman, (Wed Dec 12, 4:43 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Dec 11, 8:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 8:52 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 9:07 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:00 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 2:29 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:45 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:31 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Mon Dec 10, 11:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Mon Dec 10, 9:17 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Mon Dec 10, 12:20 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., yhlu, (Fri Dec 7, 3:19 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 4:13 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 10:04 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 8:10 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Dec 7, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 10:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Dec 7, 11:16 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 11:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Fri Dec 7, 2:46 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 7:56 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 4:52 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 11:34 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 10:28 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 10:43 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 10:48 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 11:30 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 4:50 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 5:05 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 6:38 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 7:15 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 8:15 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 7:40 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 8:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 11:54 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 12:45 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 11:24 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 6:55 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 7:19 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:28 am)

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