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Re: [Xen-devel] [PATCH 2/3] x86/dmi: Drop trivial callback functions
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Thu, 25 Jul 2019 10:35:48 +0000
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 25 Jul 2019 10:36:54 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVQkdKBV8AYBVwqk6k/Z84XZJf5abbJN2A
- Thread-topic: [PATCH 2/3] x86/dmi: Drop trivial callback functions
On 24.07.2019 19:42, Andrew Cooper wrote:
> dmi_check_system() returns the number of matches. This being nonzero is more
> efficient than calling into a trivial function to modify a variable.
>
> No functional change, but this results in less compiled code, which is
> also (fractionally) quicker to run.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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