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Re: [PATCH v4 1/6] x86/time: introduce helper to fetch Xen wallclock when running as a guest
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 5 Sep 2024 17:45:20 +0200
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- Cc: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 05 Sep 2024 15:45:26 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 04.09.2024 17:31, Roger Pau Monne wrote:
> Move the current code in get_wallclock_time() to fetch the Xen wallclock
> information from the shared page when running as a guest into a separate
> helper.
>
> No functional change intended.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Still ...
> --- a/xen/arch/x86/time.c
> +++ b/xen/arch/x86/time.c
> @@ -787,6 +787,30 @@ static struct platform_timesource __initdata_cf_clobber
> plt_xen_timer =
> };
> #endif
>
> +static unsigned long read_xen_wallclock(void)
> +{
> +#ifdef CONFIG_XEN_GUEST
> + struct shared_info *sh_info = XEN_shared_info;
... I'd like to switch this to pointer-to-const while committing, if okay
with you.
Jan
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