From: Jan Kiszka <jan.kiszka@domain.hid>
To: rpm@xenomai.org, Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: [Xenomai-core] CONFIG_SMP in switchtest (was: Xenomai configure --enable-smp...)
Date: Tue, 12 Jun 2007 19:35:42 +0200 [thread overview]
Message-ID: <466ED96E.4050806@domain.hid> (raw)
In-Reply-To: <1181630207.7354.20.camel@domain.hid>
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Philippe Gerum wrote:
> On Tue, 2007-06-12 at 08:42 +0200, M. Koehrer wrote:
>> Hi everybody,
>>
>> I want to know why the --enable-smp option for "configure" of Xenomai is used when there
>> is already the corresponding option selected with the kernel configuration?
>
> --enable-smp is only used when you want the user-space side to _require_
> SMP support to be present into the running kernel; i.e. for some (weird)
> reason, your application really needs this. Xenomai libraries don't care
> whether SMP support is enabled or not, they are not sensitive to that
> issue (see the "weak" status of this option in README.INSTALL)
Switchtest bases some compile-time decisions on CONFIG_SMP. Nitpicking,
OK, but I wonder if this is required. Gilles?
Jan
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next prev parent reply other threads:[~2007-06-12 17:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 6:42 [Xenomai-help] Xenomai configure --enable-smp vs. SMP kernel configuration M. Koehrer
2007-06-12 6:36 ` Philippe Gerum
2007-06-12 17:35 ` Jan Kiszka [this message]
2007-06-12 17:47 ` [Xenomai-core] CONFIG_SMP in switchtest Gilles Chanteperdrix
2007-06-12 17:59 ` Jan Kiszka
2007-06-12 18:08 ` Philippe Gerum
2007-06-12 19:28 ` Jan Kiszka
2007-06-12 18:10 ` Gilles Chanteperdrix
2007-06-12 18:12 ` Philippe Gerum
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