Re: [PATCH v2 15/25] timekeeping: Provide timekeeping_restore_shadow()

[John Stultz]

On Wed, Oct 9, 2024 at 1:29 AM Anna-Maria Behnsen
<anna-maria@xxxxxxxxxxxxx> wrote:
>
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>
> Functions which operate on the real timekeeper, e.g. do_settimeofday(),
> have error conditions. If they are hit a full timekeeping update is still
> required because the already committed operations modified the timekeeper.
>
> When switching these functions to operate on the shadow timekeeper then the
> full update can be avoided in the error case, but the modified shadow
> timekeeper has to be restored.
>
> Provide a helper function for that.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>

Acked-by: John Stultz <jstultz@xxxxxxxxxx>