From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] [rfc] Jumpless *llimd.
Date: Sun, 19 Jul 2009 15:47:05 +0200 [thread overview]
Message-ID: <4A6323D9.50900@domain.hid> (raw)
In-Reply-To: <4A62D608.2090802@domain.hid>
Jan Kiszka wrote:
> The approach is generally fine, but you have to take measures to avoid
> using cmove on CPUs that don't support it. They may be still around
> (older VIA C3 e.g.).
The kernel has a #define and in user-space, we would have to add a
configure option, and we can test in /proc/cpuinfo if the instruction is
supported by the processor.
--
Gilles.
prev parent reply other threads:[~2009-07-19 13:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-17 20:54 [Xenomai-core] [rfc] Jumpless *llimd Gilles Chanteperdrix
2009-07-19 8:15 ` Jan Kiszka
2009-07-19 13:47 ` Gilles Chanteperdrix [this message]
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