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Re: [PATCH v2] x86/time: adjust handling of negative delta in stime2tsc()
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Fri, 27 Mar 2026 21:05:31 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Delivery-date: Fri, 27 Mar 2026 20:05:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, Mar 27, 2026 at 03:39:42PM +0100, Jan Beulich wrote:
> When we cap negative values to 0 (see code comment as to why), going
> through scale_delta() is pointless - it'll return 0 anyway. Therefore make
> the call conditional (and then also the one to scale_reciprocal()), adding
> a comment as to why there is this capping.
>
> Modernize types used while there, and switch to usiong initializers for
> the local variables.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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