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RE: [Xen-devel] [PATCH] Enable exporting of nmi_callback functions for x

To: "Andi Kleen" <ak@xxxxxxx>, "Jan Beulich" <JBeulich@xxxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH] Enable exporting of nmi_callback functions for x86_64 privilege domains
From: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
Date: 2005年11月10日 10:11:08 -0500
Cc: discuss@xxxxxxxxxx, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: 2005年11月10日 15:11:34 +0000
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Thread-topic: [Xen-devel] [PATCH] Enable exporting of nmi_callback functions for x86_64 privilege domains
> On Thursday 10 November 2005 09:41, Jan Beulich wrote:
> > I disagree to that. Instead (even in the main kernel, and also on
i386)
> > nmi_callback should completely go away, and the supposedly one user
> > should instead use the DIE_NMI and/or DIE_NMI_IPI notifiers.
I submitted the patch only because I found that the nmi_callback
functions were being exported in all kernels except the Xen x86_64 one.
I did not realize that they are going away. We are using the functions
in one of our internal modules and I will look into moving away from
using them.
> Haven't see the original patch, but normally it's Linux policy
> to not merge EXPORT_SYMBOLs if there are no modular
> users of the symbol in tree.
I am a little confused here. If that's the case, then why are the
nmi_callback symbols being exported in all kernels but the Xen x86_64
one? I see that it is also being exported in the SLES9 SP2 kernel.
Thanks,
Aravindh
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