From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jan Beulich <jbeulich@novell.com>
Cc: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org,
hpa@zytor.com
Subject: Re: [PATCH] x86-64: fix HYPERVISOR_update_descriptor()
Date: Tue, 16 Dec 2008 09:55:08 -0800 [thread overview]
Message-ID: <4947EB7C.9080006@goop.org> (raw)
In-Reply-To: <4947A108.76E4.0078.0@novell.com>
Jan Beulich wrote:
> Signed-off-by: Jan Beulich <jbeulich@novell.com>
>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> ---
> arch/x86/include/asm/xen/hypercall.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> --- linux-2.6.28-rc8/arch/x86/include/asm/xen/hypercall.h 2008-12-11 14:45:37.000000000 +0100
> +++ 2.6.28-rc8-x86_64-xen-update-descr/arch/x86/include/asm/xen/hypercall.h 2008-12-12 10:25:55.000000000 +0100
> @@ -290,6 +290,8 @@ HYPERVISOR_get_debugreg(int reg)
> static inline int
> HYPERVISOR_update_descriptor(u64 ma, u64 desc)
> {
> + if (sizeof(u64) == sizeof(long))
> + return _hypercall2(int, update_descriptor, ma, desc);
> return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
> }
>
>
>
>
>
next prev parent reply other threads:[~2008-12-16 17:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-16 11:37 [PATCH] x86-64: fix HYPERVISOR_update_descriptor() Jan Beulich
2008-12-16 17:55 ` Jeremy Fitzhardinge [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-03-12 10:36 Jan Beulich
2009-03-12 10:54 ` Ingo Molnar
2009-03-12 11:25 ` Jan Beulich
2009-03-12 11:35 ` Ingo Molnar
2009-03-12 11:51 ` Jan Beulich
2009-03-12 15:02 ` H. Peter Anvin
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