From mboxrd@z Thu Jan 1 00:00:00 1970 References: <5735F39A.8050204@siemens.com> <57601E35.3010101@siemens.com> <5a98b862-5b1f-449c-8989-f7e3d4fe8255@xenomai.org> <5760227A.3010203@siemens.com> <20160614153852.GC23680@hermes.click-hack.org> <57602631.10900@siemens.com> <20160614155112.GD23680@hermes.click-hack.org> <57602AC8.3070506@siemens.com> <20160614161230.GF23680@hermes.click-hack.org> <57603007.8010100@siemens.com> <20160614164240.GG23680@hermes.click-hack.org> From: Jan Kiszka Message-ID: <57603804.7010608@siemens.com> Date: Tue, 14 Jun 2016 18:59:48 +0200 MIME-Version: 1.0 In-Reply-To: <20160614164240.GG23680@hermes.click-hack.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] RTDM syscalls & switching List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: Xenomai On 2016-06-14 18:42, Gilles Chanteperdrix wrote: > The original point of my mail was that your assertion that "Linux > I/O syscalls cause ping pong" is false. How Linux syscalls work, I/O > or otherwise, with Xenomai, has always been the same. Yes, s/syscall/library call/ if you want to be that precise. No one calls syscalls directly from the application, but the standard POSIX function we are talking about are not doing much more than that. That's what matters. Jan