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Re: [Xen-devel] [PATCH v2 4/4] x86/traps: honor EXT bit in error codes

On 11/11/15 09:23, Jan Beulich wrote:
> The specification does not explicitly limit the use of this bit to
> exceptions that can have selector style error codes, so to be on the
> safe side we should deal with it being set even on error codes formally
> documented to be always zero (if they're indeed always zero, the change
> is simply dead code in those cases).
> Introduce and use (where suitable) X86_XEC_* constants to make the code
> easier to read.
> To match the placement of the "hardware_trap" label, the "hardware_gp"
> one gets moved slightly too.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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