Hi.
Thanks. you are right. TSC is still unstable.
On Sun, 15 Jul 2007 21:06:27 +0200
Juergen Beisert <[email protected]> wrote:
> Hi,
>
> On Sunday 15 July 2007 14:00, TAKADA Yoshihito wrote:
> > Hi. I reported to remove pit_latch_buggy(http://lkml.org/lkml/2007/2/10/8).
> > In the report, I stated that TSC was unstable.
> > When I installed 2.6.21, GeodeGX's TSC is stable.
>
> GeodeGX1's TSC is stable until you activate halt/suspend feature. In
> arch/i386/kernel/cpu/cyrix.c:geode_configure() it will be activated by
> default. But due to a macro failure the line
> setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88);
> does nothing.
> Replace the setCx86/getCx86 macros by the attached patch, and the TSC will be
> unstable again!
>
> So it makes sense to mark the TSC unstable if the halt/suspend feature is
> activated.
>
> Juergen
--
TAKADA <[email protected]>
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