From: "Daniel Kolesa" <daniel@octaforge.org>
To: "Michal Suchánek" <msuchanek@suse.de>,
"Joseph Myers" <joseph@codesourcery.com>
Cc: libc-alpha@sourceware.org, eery@paperfox.es,
musl@lists.openwall.com,
"Will Springer" <skirmisher@protonmail.com>,
"Palmer Dabbelt via binutils" <binutils@sourceware.org>,
"via libc-dev" <libc-dev@lists.llvm.org>,
linuxppc-dev@lists.ozlabs.org
Subject: [musl] Re: ppc64le and 32-bit LE userland compatibility
Date: Tue, 02 Jun 2020 17:13:25 +0200 [thread overview]
Message-ID: <3aeb6dfe-ae23-42f9-ac23-16be6b54a850@www.fastmail.com> (raw)
In-Reply-To: <20200602142337.GS25173@kitsune.suse.cz>
On Tue, Jun 2, 2020, at 16:23, Michal Suchánek wrote:
> On Tue, Jun 02, 2020 at 01:40:23PM +0000, Joseph Myers wrote:
> > On Tue, 2 Jun 2020, Daniel Kolesa wrote:
> >
> > > not be limited to being just userspace under ppc64le, but should be
> > > runnable on a native kernel as well, which should not be limited to any
> > > particular baseline other than just PowerPC.
> >
> > This is a fairly unusual approach to bringing up a new ABI. Since new
> > ABIs are more likely to be used on new systems rather than switching ABI
> > on an existing installation, and since it can take quite some time for all
> > the software support for a new ABI to become widely available in
> > distributions, people developing new ABIs are likely to think about what
> > new systems are going to be relevant in a few years' time when working out
> > the minimum hardware requirements for the new ABI. (The POWER8 minimum
> > for powerpc64le fits in with that, for example.)
> That means that you cannot run ppc64le on FSL embedded CPUs (which lack
> the vector instructions in LE mode). Which may be fine with you but
> other people may want to support these. Can't really say if that's good
> idea or not but I don't foresee them going away in a few years, either.
well, ppc64le already cannot be run on those, as far as I know (I don't think it's possible to build ppc64le userland without VSX in any configuration)
>
> Thanks
>
> Michal
>
Daniel
next prev parent reply other threads:[~2020-06-02 15:14 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 19:03 [musl] " Will Springer
2020-05-29 19:24 ` Rich Felker
2020-05-30 22:56 ` Will Springer
2020-05-30 15:37 ` [musl] " Christophe Leroy
2020-05-30 22:17 ` Will Springer
2020-06-05 23:54 ` Will Springer
2020-06-12 5:13 ` Christophe Leroy
2020-05-30 19:22 ` Segher Boessenkool
2020-05-31 0:57 ` Will Springer
2020-05-31 20:42 ` Segher Boessenkool
2020-05-31 22:29 ` Daniel Kolesa
2020-06-02 1:36 ` Segher Boessenkool
2020-06-01 21:28 ` Joseph Myers
2020-06-01 21:36 ` Rich Felker
2020-06-01 23:26 ` Daniel Kolesa
2020-06-01 23:45 ` Joseph Myers
2020-06-01 23:55 ` Joseph Myers
2020-06-02 0:13 ` Daniel Kolesa
2020-06-02 0:11 ` Daniel Kolesa
2020-06-02 13:40 ` Joseph Myers
2020-06-02 14:23 ` Michal Suchánek
2020-06-02 15:13 ` Daniel Kolesa [this message]
2020-06-02 15:27 ` Michal Suchánek
2020-06-02 15:40 ` Daniel Kolesa
2020-06-02 15:56 ` Michal Suchánek
2020-06-04 17:20 ` Segher Boessenkool
2020-06-04 17:12 ` Segher Boessenkool
2020-06-04 17:18 ` Rich Felker
2020-06-04 17:33 ` Segher Boessenkool
2020-06-04 17:46 ` Rich Felker
2020-06-04 19:00 ` David Edelsohn
2020-06-04 19:37 ` Rich Felker
2020-06-04 20:39 ` Daniel Kolesa
2020-06-04 21:10 ` Segher Boessenkool
2020-06-04 21:43 ` Daniel Kolesa
2020-06-04 22:08 ` Joseph Myers
2020-06-04 22:26 ` Daniel Kolesa
2020-06-05 0:02 ` Segher Boessenkool
2020-06-04 23:42 ` Segher Boessenkool
2020-06-04 23:35 ` Segher Boessenkool
2020-06-05 2:18 ` Daniel Kolesa
2020-06-05 17:27 ` Segher Boessenkool
2020-06-05 17:50 ` Rich Felker
2020-06-05 23:45 ` Segher Boessenkool
2020-06-05 21:59 ` Daniel Kolesa
2020-06-06 0:12 ` Segher Boessenkool
2020-06-06 2:13 ` Daniel Kolesa
2020-06-02 14:52 ` Daniel Kolesa
2020-06-02 2:12 ` Segher Boessenkool
2020-06-02 2:17 ` Daniel Kolesa
2020-06-02 13:50 ` Joseph Myers
2020-06-02 17:47 ` Segher Boessenkool
2020-06-02 1:58 ` Segher Boessenkool
2020-06-02 2:09 ` Jeffrey Walton
2020-06-02 2:12 ` Daniel Kolesa
2020-06-02 2:36 ` Segher Boessenkool
2020-06-02 2:55 ` Daniel Kolesa
2020-06-02 1:42 ` Segher Boessenkool
2020-06-02 2:03 ` Daniel Kolesa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3aeb6dfe-ae23-42f9-ac23-16be6b54a850@www.fastmail.com \
--to=daniel@octaforge.org \
--cc=binutils@sourceware.org \
--cc=eery@paperfox.es \
--cc=joseph@codesourcery.com \
--cc=libc-alpha@sourceware.org \
--cc=libc-dev@lists.llvm.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=msuchanek@suse.de \
--cc=musl@lists.openwall.com \
--cc=skirmisher@protonmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).