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Re: [Xen-devel] [PATCH v4 2/5] x86/hvm/domain: remove the 'hap_enabled' flag
- To: Paul Durrant <paul.durrant@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Tue, 30 Jul 2019 13:40:24 +0000
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, TimDeegan <tim@xxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH v4 2/5] x86/hvm/domain: remove the 'hap_enabled' flag
On 30.07.2019 15:18, Paul Durrant wrote:
> The hap_enabled() macro can determine whether the feature is available
> using the domain 'options'; there is no need for a separate flag.
>
> NOTE: Furthermore, by extending sanitiziing of the domain 'options', the
> macro can be transformed into an inline function and re-located to
> xen/sched.h. This also makes hap_enabled() common, thus allowing
> removal of an ugly ifdef CONFIG_X86 from the common iommu code.
>
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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