linux-kernel - Re: [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation

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Message-ID: <5698071f-c96c-4891-81d6-a77c4e3b77c2@default>
Date:	Thu, 27 Dec 2012 15:23:02 -0800 (PST)
From:	Daniel Kiper <daniel.kiper@...cle.com>
To:	<hpa@...or.com>
Cc:	<kexec@...ts.infradead.org>, <xen-devel@...ts.xensource.com>,
	<konrad.wilk@...cle.com>, <tglx@...utronix.de>,
	<ebiederm@...ssion.com>, <maxim.uvarov@...cle.com>,
	<andrew.cooper3@...rix.com>, <jbeulich@...e.com>,
	<mingo@...hat.com>, <x86@...nel.org>,
	<virtualization@...ts.linux-foundation.org>, <vgoyal@...hat.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation

> 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.

Daniel
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