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SubjectRe: [PATCH] hpet: drop stale link
On Wed, Feb 03, 2016 at 11:53:07AM +0100, Ingo Molnar wrote:
>
> * Michael S. Tsirkin <mst@redhat.com> wrote:
>
> > Looks like the HPET spec at intel.com got moved.
> > It isn't hard to find so drop the link, just mention
> > the revision assumed.
> >
> > Suggested-by: Thomas Gleixner <tglx@linutronix.de>
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> > ---
> > drivers/char/hpet.c | 2 +-
> > Documentation/timers/hpet.txt | 2 +-
> > arch/x86/Kconfig | 2 +-
> > 3 files changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
> > index 240b6cf..86c5f4d 100644
> > --- a/drivers/char/hpet.c
> > +++ b/drivers/char/hpet.c
> > @@ -42,7 +42,7 @@
> > /*
> > * The High Precision Event Timer driver.
> > * This driver is closely modelled after the rtc.c driver.
> > - * http://www.intel.com/hardwaredesign/hpetspec_1.pdf
> > + * http://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/software-developers-hpet-spec-1-0a.pdf
> > */
> > #define HPET_USER_FREQ (64)
> > #define HPET_DRIFT (500)
> > diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt
> > index 767392f..f24e978 100644
> > --- a/Documentation/timers/hpet.txt
> > +++ b/Documentation/timers/hpet.txt
> > @@ -3,7 +3,7 @@
> > The High Precision Event Timer (HPET) hardware follows a specification
> > by Intel and Microsoft which can be found at
> >
> > - http://www.intel.com/hardwaredesign/hpetspec_1.pdf
> > +http://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/software-developers-hpet-spec-1-0a.pdf
> >
> > Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision")
> > and up to 32 comparators. Normally three or more comparators are provided,
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 9af2e63..f32faba 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -778,7 +778,7 @@ config HPET_TIMER
> > The HPET provides a stable time base on SMP
> > systems, unlike the TSC, but it is more expensive to access,
> > as it is off-chip. You can find the HPET spec at
> > - <http://www.intel.com/hardwaredesign/hpetspec_1.pdf>.
> > + <http://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/software-developers-hpet-spec-1-0a.pdf>.
> >
> > You can safely choose Y here. However, HPET will only be
> > activated if the platform and the BIOS support this feature.
>
> In fact we can also remove the link from this Kconfig entry, as it's highly
> unlikely that a user doing kernel configuration would want to start reading a
> spec.
>
> Thanks,
>
> Ingo

Hmm looks like the patch does not match the description.
Maybe I forgot to commit, or something.
Sorry - will repost.

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