On Mon, 2007-06-11 at 10:47 +0200, Sébastien Dugué wrote:
> Hi Thomas,
> 
> On Sun, 10 Jun 2007 09:44:18 -0000 Thomas Gleixner <[EMAIL PROTECTED]> wrote:
> 
> > Convert x86_64 to the clockevents code. Share code with i386 for
> > hpet and PIT.
> > 
> > Build and whitespace fixups from:
> >  Venki Pallipadi <[EMAIL PROTECTED]>
> > and
> >  Chris Wright <[EMAIL PROTECTED]>
> 
> 
>   It seems that the hpet clocksource's ->vread has been lost in the 
> conversion.
> Is this on purpose?
> 
>   The patch below fixes it for x86_64 on 2.6.21.3-rt9. If you want it rebased
> on -mm let me know.
> 
>   Thanks,
> 
>   Sébastien.

Indeed. 

Thanks,

        tglx


> ---
> 
>   It seems the hpet clocksource's vread method was lost in the x86_64 
> conversion
> to clockevent. So here it is.
> 
> Signed-off-by: Sébastien Dugué <[EMAIL PROTECTED]>
> 
>  arch/i386/kernel/hpet.c |   10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> Index: linux-2.6.21.3-rt9/arch/i386/kernel/hpet.c
> ===================================================================
> --- linux-2.6.21.3-rt9.orig/arch/i386/kernel/hpet.c   2007-06-07 
> 15:09:41.000000000 +0200
> +++ linux-2.6.21.3-rt9/arch/i386/kernel/hpet.c        2007-06-07 
> 15:50:50.000000000 +0200
> @@ -313,6 +313,13 @@ static cycle_t notrace read_hpet(void)
>       return (cycle_t)hpet_readl(HPET_COUNTER);
>  }
>  
> +#ifdef CONFIG_X86_64
> +static notrace cycle_t __vsyscall_fn vread_hpet(void)
> +{
> +     return readl((const void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0);
> +}
> +#endif
> +
>  static struct clocksource clocksource_hpet = {
>       .name           = "hpet",
>       .rating         = 250,
> @@ -321,6 +328,9 @@ static struct clocksource clocksource_hp
>       .shift          = HPET_SHIFT,
>       .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
>       .resume         = hpet_restart_counter,
> +#ifdef CONFIG_X86_64
> +     .vread          = vread_hpet,
> +#endif
>  };
>  
>  static int hpet_clocksource_register(void)
> 

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