From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <51128CE4.4020303@siemens.com> Date: Wed, 06 Feb 2013 18:03:32 +0100 From: Jan Kiszka MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] ipipe/x86: do not restore during context switch List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: Xenomai Gilles, do you remember if this core-3.4 change was a performance optimization or a necessary fix? Also, I'm not yet understanding why we need all the #ifdefs except for the first one which forces fpu.preload to 0. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux