From mboxrd@z Thu Jan 1 00:00:00 1970 References: <874kjffpa1.fsf@xenomai.org> <7f2c3ca2-259e-2c26-536a-67787d8430ea@siemens.com> From: Philippe Gerum Subject: Re: [RFC] Drop support for x86_32 from Xenomai 3.2 In-reply-to: <7f2c3ca2-259e-2c26-536a-67787d8430ea@siemens.com> Date: Thu, 21 Jan 2021 16:33:08 +0100 Message-ID: <875z3q9uff.fsf@xenomai.org> MIME-Version: 1.0 Content-Type: text/plain List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: xenomai@xenomai.org Jan Kiszka writes: > On 17.01.21 18:26, Philippe Gerum wrote: >> >> The I-pipe and Cobalt ports to x86_32 received neither careful >> maintenance nor testing for ages. In addition, Dovetail does not support >> the 32bit legacy mode, and there is no plan to do so. Therefore I >> recommend to stop supporting the x86_32 architecture starting from >> Xenomai 3.2, which echoes what Jan has been saying for quite a while >> about this issue too. >> >> If you do care about running Xenomai on this architecture and are >> willing to maintain such a port in the long run, this is definitely the >> right time to make your case, asap. >> > > Just to clarify: This affects the host kernel, not 32-bit userland > (compat), right? The latter is still a must-have in several applications > here, and I think beyond as well. > Only 32bit kernel support would be dropped, 32bit compat over 64bit would stay. > BTW, we should also deprecate the x32 ABI. > Agreed. -- Philippe.