Re: [Xen-devel] [PATCH 09/11] x86: Fix merging of new status bits into %dr6

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 04.06.18 at 15:59, <andrew.cooper3@xxxxxxxxxx> wrote:
> The current logic used to update %dr6 when injecting #DB is buggy.  The
> architectural behaviour is to overwrite B{0..3} (rather than accumulate) and
> accumulate all other bits.
> 
> Introduce a new merge_dr6() helper, which also takes care of handing RTM
> correctly.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Ah, here we go. This as well as patch 7:
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

Jan



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