Re: [Xen-devel] [PATCH v4 7/7] xen/x86: support XENPF_settime64

[Stefano Stabellini]

On Fri, 13 Nov 2015, David Vrabel wrote:
> On 12/11/15 17:30, Stefano Stabellini wrote:
> > Try XENPF_settime64 first, if it is not available fall back to
> > XENPF_settime32.
> > 
> > No need to call __current_kernel_time() when all the info needed are
> > already passed via the struct timekeeper * argument.
> > 
> > Return NOTIFY_BAD in case of errors.
> [...]
> > @@ -123,9 +124,13 @@ static int xen_pvclock_gtod_notify(struct notifier_block *nb,
> >  	static struct timespec next_sync;
> >  
> >  	struct xen_platform_op op;
> > -	struct timespec now;
> > +	struct timespec64 now;
> > +	struct timekeeper *tk = priv;
> > +	static bool settime64_supported = true;
> > +	int ret;
> >  
> > -	now = __current_kernel_time();
> > +	now.tv_sec = tk->xtime_sec;
> > +	now.tv_nsec = (long)(tk->tkr_mono.xtime_nsec >> tk->tkr_mono.shift);
> 
> I think you should introduce __current_kernel_time64() or make
> tk_xtime() available.
> 
> John, what do you think?

We already had this discussion:

http://marc.info/?l=linux-kernel&m=144717103112014&w=2
http://marc.info/?l=linux-kernel&m=144724877203864&w=2
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