From: Leopold Palomo-Avellaneda <lepalom@domain.hid>
To: xenomai@xenomai.org
Subject: Re: [Xenomai-help] POSIX skin or CONFIG_XENO_OPT_PERVASIVE disabled
Date: Tue, 25 Sep 2007 11:05:36 +0200 [thread overview]
Message-ID: <200709251105.36518.lepalom@domain.hid> (raw)
In-Reply-To: <2ff1a98a0709250152m5d96437br8e98ba405fd4d471@domain.hid>
A Dimarts 25 Setembre 2007 10:52, Gilles Chanteperdrix va escriure:
> On 9/25/07, juergen.lanner@domain.hid <juergen.lanner@domain.hid> wrote:
> > Hello Gilles!
> >
> > Thank you very much for your reponse.
> >
> > LAPIC is disabled in BIOS, so "make menuconfig" does not even give me
> > the possibility to change it at all. in the .config file I could find
> > CONFIG_X86_LOCAL_APIC=y.
> > I f I set it to =n and start "make menuconfig" again, it resets it to y
> > even if I do not change anything manually.
>
> The reason why make menuconfig does not let you change the LAPIC
> setting is that you selected the "SMP" option. Since your box only has
> one CPU, you should disable SMP. Then you will be able to enable or
> disable the local APIC. Note that if your box has an APIC, using it
> gives better performances.
I have a cpu with multicore (the kernel see 2 cpus) but it's _only_ physically
one cpu. What I have to choose in the config, smp yes or not?
Regards,
Leo
next prev parent reply other threads:[~2007-09-25 9:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 9:13 [Xenomai-help] POSIX skin or CONFIG_XENO_OPT_PERVASIVE disabled juergen.lanner
2007-09-21 19:01 ` Gilles Chanteperdrix
2007-09-25 6:34 ` juergen.lanner
2007-09-25 8:52 ` Gilles Chanteperdrix
2007-09-25 9:05 ` Leopold Palomo-Avellaneda [this message]
2007-09-25 9:11 ` Gilles Chanteperdrix
2007-09-25 9:45 ` Leopold Palomo-Avellaneda
2007-09-25 12:54 ` juergen.lanner
2007-09-25 13:25 ` Gilles Chanteperdrix
2007-09-26 5:46 ` juergen.lanner
2007-09-26 9:19 ` Gilles Chanteperdrix
-- strict thread matches above, loose matches on Subject: below --
2007-09-26 16:04 juergen.lanner
2007-09-27 8:47 ` Gilles Chanteperdrix
2007-09-28 5:58 ` juergen.lanner
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