On 03/31/2017 06:14 AM, Juergen Gross wrote:
> For kdump to work correctly it needs the physical address of
> vmcoreinfo_note. When running as dom0 this means the virtual address
> has to be translated to the related machine address.
>
> paddr_vmcoreinfo_note() is meant to do the translation via
> __pa_symbol() only, but being attributed "weak" it can be replaced
> easily in Xen case.
>
> Signed-off-by: Juergen Gross <jgr...@suse.com>

Similar to Jan's concern, if bare-metal x86 people decide to have their
own paddr_vmcoreinfo_note() (and they usually build with !CONFIG_XEN) we
will have to update this again. I suppose we can deal with that if/when
it happens since we will discover this immediately.

Reviewed-by: Boris Ostrovsky <boris.ostrov...@oracle.com>



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