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Re: [Xen-devel] [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation
- To: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
- From: "H. Peter Anvin" <hpa@xxxxxxxxx>
- Date: Thu, 27 Dec 2012 15:37:55 -0800
- Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, x86@xxxxxxxxxx, kexec@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, ebiederm@xxxxxxxxxxxx, jbeulich@xxxxxxxx, maxim.uvarov@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, vgoyal@xxxxxxxxxx
- Delivery-date: Thu, 27 Dec 2012 23:38:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 12/27/2012 03:23 PM, Daniel Kiper wrote:
On 12/26/2012 06:18 PM, Daniel Kiper wrote:
Add i386 kexec/kdump implementation.
v2 - suggestions/fixes:
- allocate transition page table pages below 4 GiB
(suggested by Jan Beulich).
Why?
Sadly all addresses are passed via unsigned long
variable to kexec hypercall.
So can you unf*ck your broken interface before imposing it on anyone else?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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