linux-kernel - Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free vmalloc areas

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Date:	Fri, 16 Feb 2007 17:10:29 +0000
From:	Keir Fraser <keir@...source.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>, Andi Kleen <ak@....de>
CC:	Zachary Amsden <zach@...are.com>, <xen-devel@...ts.xensource.com>,
	Ian Pratt <ian.pratt@...source.com>,
	<linux-kernel@...r.kernel.org>, Jan Beulich <JBeulich@...ell.com>,
	Chris Wright <chrisw@...s-sol.org>,
	<virtualization@...ts.osdl.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>
Subject: Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free
 vmalloc areas




On 16/2/07 16:46, "Jeremy Fitzhardinge" <jeremy@...p.org> wrote:

> Yes, that would work.  Unfortunately that's i386 arch-specific, whereas
> the rest of this code is generic.  I guess I could just move it all to
> arch/i386/mm.

This whole thing isn't an issue on ia64 (they no-op lock_vm_area) and
powerpc doesn't use any of the Xen driver code at this time.
vmalloc_sync_all is supported by both i386 and x86_64, so we can make the
call conditional on CONFIG_X86 so that ia64 will continue to build. This is
what I've done in xen-unstable.

 -- Keir

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