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bug#36649: 27.0.50; pure space and pdumper
From: |
Pip Cet |
Subject: |
bug#36649: 27.0.50; pure space and pdumper |
Date: |
Sat, 22 Aug 2020 08:55:21 +0000 |
On Fri, Aug 21, 2020 at 1:47 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > From: Pip Cet <pipcet@gmail.com>
> > Date: Fri, 21 Aug 2020 13:04:47 +0000
> > Cc: 36649@debbugs.gnu.org, Paul Eggert <eggert@cs.ucla.edu>
> >
> > On Fri, Aug 21, 2020 at 12:52 PM Lars Ingebrigtsen <larsi@gnus.org> wrote:
> > > I didn't read this thread closely, but it seems like the conclusion that
> > > this patch should have been applied. (It removes pure space,
> > > apparently?)
> > >
> > > The patch never was applied, though -- should it be applied now?
> >
> > I believe it's best to be careful with this one. Pure space affects GC
> > in subtle ways, and it also affects performance.
> >
> > See this thread:
> > https://lists.gnu.org/archive/html/emacs-devel/2019-07/msg00588.html
> >
> > I'd be happy to set up a separate branch for removing pure space if
> > that's preferred.
>
> What do we do with unexec builds, which are still supported?
I think that's an important question, but I don't think it's strongly
connected to pure space.
In fact, it appears like unexec builds are currently broken on master,
and on this GNU/Linux machine, I've got to force use of HYBRID_MALLOC
to get an unexec build starting at all. But, having done that, it
works with and without the patch, at first glance.
Rebased patch attached (but I just noticed the commit message is no
longer complete).
0001-Remove-pure-space.patch
Description: Text Data
- bug#36649: 27.0.50; pure space and pdumper, Lars Ingebrigtsen, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper, Pip Cet, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper, Eli Zaretskii, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper, Andreas Schwab, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper, Paul Eggert, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper, Richard Stallman, 2020/08/21
- bug#36649: 27.0.50; pure space and pdumper,
Pip Cet <=
- bug#36649: 27.0.50; pure space and pdumper, Andreas Schwab, 2020/08/22
- bug#36649: 27.0.50; pure space and pdumper, Pip Cet, 2020/08/28
- bug#36649: 27.0.50; pure space and pdumper, Andrea Corallo, 2020/08/28
- bug#36649: 27.0.50; pure space and pdumper, Paul Eggert, 2020/08/22