[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <alpine.LFD.0.9999.0711151904300.3112@localhost.localdomain>
Date: Thu, 15 Nov 2007 19:07:11 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: Sam Ravnborg <sam@...nborg.org>
cc: Adrian Bunk <bunk@...nel.org>, mingo@...hat.com, hpa@...or.com,
linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] x86: revert X86_HT semantics change
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 <bunk@...nel.org>
> Acked-by: Sam Ravnborg <sam@...nborg.org>
>
> 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.
tglx
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists