On Thu, Nov 15, 2007 at 07:07:11PM +0100, Thomas Gleixner wrote:
> On Thu, 15 Nov 2007, Sam Ravnborg wrote:
>
> > On Thu, Nov 15, 2007 at 05:17:03PM +0100, Adrian Bunk wrote:
> > > The x86 unification resulted in CONFIG_X86_HT no longer being
> > > set if (X86_32 && MK8).
> > Yup - my bad. I wrongly assumed MK8 was an X86_64 thing.
> >
> > Thanks for fixing this.
> > >
> > > After grep'ing through the tree I think the problem is that different
> > > places have different assumptions about the semantics of CONFIG_X86_HT,
> > > either:
> > > - hyperthreading or
> > > - multicore
> > > and the SCHED_SMT and SCHED_MC dependencies are just one of the
> > > symptoms.
> > >
> > > This should be sorted out properly, but until then we should keep the
> > > 2.6.23 status quo.
> > >
> > > Signed-off-by: Adrian Bunk <[email protected]>
> > Acked-by: Sam Ravnborg <[email protected]>
> >
> > I assume Thomas & Co will forward the patch.
>
> After looking what does what and fixing it.
>
> Right now this patch is not a 1:1 replacement of the .23 status quo,
> as it now makes SCHED_SMT and SCHED_HT depend on !MK8 for 64bit.
*searches brown paperbag*
Thanks for spotting, fixed patch below.
> tglx
cu
Adrian
<-- snip -->
The x86 unification resulted in CONFIG_X86_HT no longer being
set if (X86_32 && MK8).
After grep'ing through the tree I think the problem is that different
places have different assumptions about the semantics of CONFIG_X86_HT,
either
- hyperthreading or
- multicore
This should be sorted out properly, but until then we should keep the
2.6.23 status quo.
Signed-off-by: Adrian Bunk <[email protected]>
---
480a5ae48036f6825a5a111db87da05e298327d6
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index af1b1ca..5871b44 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -148,7 +148,8 @@ config X86_SMP
config X86_HT
bool
- depends on SMP && !(X86_VISWS || X86_VOYAGER || MK8)
+ depends on SMP
+ depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || (X86_64 && !MK8)
default y
config X86_BIOS_REBOOT
-
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