From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: xenomai@xenomai.org
Subject: Re: [RFC] Drop support for x86_32 from Xenomai 3.2
Date: Thu, 21 Jan 2021 16:33:08 +0100 [thread overview]
Message-ID: <875z3q9uff.fsf@xenomai.org> (raw)
In-Reply-To: <7f2c3ca2-259e-2c26-536a-67787d8430ea@siemens.com>
Jan Kiszka <jan.kiszka@siemens.com> 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.
prev parent reply other threads:[~2021-01-21 15:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-17 17:26 [RFC] Drop support for x86_32 from Xenomai 3.2 Philippe Gerum
2021-01-18 2:49 ` Meng, Fino
2021-01-18 14:07 ` Jan Kiszka
2021-01-21 15:33 ` Philippe Gerum [this message]
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