Re: [Xen-devel] [PATCH v1] xen: get rid of paravirt op adjust_exception_frame

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 7/24/2017 10:28 AM, Juergen Gross wrote:
> When running as Xen pv-guest the exception frame on the stack contains
> %r11 and %rcx additional to the other data pushed by the processor.
>
> Instead of having a paravirt op being called for each exception type
> prepend the Xen specific code to each exception entry. When running as
> Xen pv-guest just use the exception entry with prepended instructions,
> otherwise use the entry without the Xen specific code.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

(I'd s/xen/x86/ in subject to get x86 maintainers' attention ;-))


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