linux-kernel - Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support

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Date:	Wed, 25 Jun 2008 17:22:12 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	xen-devel <xen-devel@...ts.xensource.com>,
	Stephen Tweedie <sct@...hat.com>,
	Eduardo Habkost <ehabkost@...hat.com>,
	Mark McLoughlin <markmc@...hat.com>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Nick Piggin <npiggin@...e.de>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen
	support


* Ingo Molnar <mingo@...e.hu> wrote:

> Anyway, that's all theory - i'll try out your patchset in -tip to see 
> what breaks in practice ;-)

i've put the commits (and a good number of dependent commits) into the 
new tip/x86/xen-64bit topic branch.

It quickly broke the build in testing:

 include/asm/pgalloc.h: In function ‘paravirt_pgd_free':
 include/asm/pgalloc.h:14: error: parameter name omitted
 arch/x86/kernel/entry_64.S: In file included from 
 arch/x86/kernel/traps_64.c:51:include/asm/pgalloc.h: In function ‘paravirt_pgd_free':
 include/asm/pgalloc.h:14: error: parameter name omitted
 [...]

with this config:

  http://redhat.com/~mingo/misc/config-Wed_Jun_25_16_37_51_CEST_2008.bad

this could easily be some integration mistake on my part, so please 
double-check the end result.

Merging it into tip/master is a bit tricky, due to various interactions. 
This should work fine if you check out the latest tip/master:

  git-merge tip/x86/xen-64bit
  [ ... fix up the trivial merge conflict ... ]

i've already merged tip/x86/xen-64bit-base topic into master, to make it 
easier. (there were a few preconditions for the 64-bit Xen patches which 
arent carried in linux-next - such as the nmi-safe changes.)

	Ingo
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