From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4A6323D9.50900@domain.hid> Date: Sun, 19 Jul 2009 15:47:05 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4A60E4FF.9020307@domain.hid> <4A62D608.2090802@domain.hid> In-Reply-To: <4A62D608.2090802@domain.hid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] [rfc] Jumpless *llimd. List-Id: Xenomai life and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: xenomai-core 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.