Re: [Xen-devel] [PATCH 2/2] x86/xen: sync the wallclock when thesystem time changes

From: David Vrabel
Date: Wed May 29 2013 - 05:37:19 EST


On 29/05/13 08:47, Jan Beulich wrote:
>>>> On 28.05.13 at 20:22, David Vrabel <david.vrabel@xxxxxxxxxx> wrote:
>> @@ -199,28 +201,59 @@ static void xen_get_wallclock(struct timespec *now)
>>
>> static int xen_set_wallclock(const struct timespec *now)
>> {
>> - struct xen_platform_op op;
>> - int ret;
>> -
>> /* do nothing for domU */
>> if (!xen_initial_domain())
>> return -1;
>>
>> - /* Set the Xen wallclock. */
>> + /* Set the hardware RTC. */
>> + return mach_set_rtc_mmss(now);
>> +
>> +}
>
> Can't you achieve the same effect in a cleaner way by overriding
> x86_platform.set_wallclock only in the non-init-domain case?

Yes, that makes sense. John, don't apply this one yet, thanks.

David
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