From: Philippe De Muyter <phdm@macqel.be>
To: uClinux development list <uclinux-dev@uclinux.org>
Cc: linux-m68k@vger.kernel.org, Greg Ungerer <gerg@uclinux.org>
Subject: Re: [uClinux-dev] [PATCH v2 1/6] m68k: merge mmu and non-mmu versions of muldi3
Date: Wed, 20 Apr 2011 10:57:02 +0200 [thread overview]
Message-ID: <20110420085702.GA3296@frolo.macqel> (raw)
In-Reply-To: <20110420080609.GA24244@merkur.ravnborg.org>
On Wed, Apr 20, 2011 at 10:06:09AM +0200, Sam Ravnborg wrote:
> Hi Greg.
>
> > +
> > +#if defined(__mc68020__) || defined(__mc68030__) || \
> > + defined(__mc68040__) || defined(__mc68060__)
>
> Why use these to decide if this is MMU or not?
> This code is not exposed to user-space so we can rely on CONFIG_* symbols.
> IMO the CONIFG_* symbols is easier to read/maintain.
This does not decide about MMU or not MMU, but about the availability
of some assembler instructions in the processor.
Philippe
next prev parent reply other threads:[~2011-04-20 8:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-20 5:54 [PATCH v2 0/6] m68knommu: merge and clean up of arch/m68k/lib files gerg
2011-04-20 5:54 ` gerg
2011-04-20 5:54 ` [PATCH v2 1/6] m68k: merge mmu and non-mmu versions of muldi3 gerg
2011-04-20 5:54 ` [PATCH v2 2/6] m68k: merge mmu and non-mmu versions of lib/Makefile gerg
2011-04-20 5:54 ` [PATCH v2 3/6] m68k: remove duplicate memmove() implementation gerg
2011-04-20 5:54 ` [PATCH v2 4/6] m68k: remove duplicate memset() implementation gerg
2011-04-20 5:54 ` [PATCH v2 5/6] m68k: remove duplicate memcpy() implementation gerg
2011-04-20 5:54 ` [PATCH v2 6/6] m68k: let Makefile sort out compiling mmu and non-mmu lib/checksum.c gerg
2011-04-20 8:06 ` [PATCH v2 1/6] m68k: merge mmu and non-mmu versions of muldi3 Sam Ravnborg
2011-04-20 8:55 ` [uClinux-dev] " Geert Uytterhoeven
2011-04-20 9:12 ` Philippe De Muyter
2011-04-20 9:31 ` [uClinux-dev] " Greg Ungerer
2011-04-20 9:55 ` Philippe De Muyter
2011-04-20 10:18 ` Greg Ungerer
2011-04-20 10:38 ` Andreas Schwab
2011-04-20 10:38 ` Philippe De Muyter
2011-04-20 11:01 ` Greg Ungerer
2011-04-20 11:23 ` Philippe De Muyter
2011-04-20 8:57 ` Philippe De Muyter [this message]
2011-04-20 9:08 ` Greg Ungerer
2011-04-20 6:04 ` [PATCH v2 0/6] m68knommu: merge and clean up of arch/m68k/lib files Greg Ungerer
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=20110420085702.GA3296@frolo.macqel \
--to=phdm@macqel.be \
--cc=gerg@uclinux.org \
--cc=linux-m68k@vger.kernel.org \
--cc=uclinux-dev@uclinux.org \
/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.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox