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From: Russell King <rmk@arm.linux.org.uk>
To: darryl@netbauds.net (Darryl Miles)
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] removal of "static foo = 0" from drivers/ide (test11)
Date: Wed, 29 Nov 2000 23:54:29 +0000 (GMT)	[thread overview]
Message-ID: <200011292354.eATNsUU04802@flint.arm.linux.org.uk> (raw)
In-Reply-To: <3A252BE9.D9F7D040@netbauds.net> from "Darryl Miles" at Nov 29, 2000 04:16:41 PM

Darryl Miles writes:
> Hmm, what about common symbol generation?  i.e. the linker looses the
> ability to throw out "multiply defined symbol" errors where you fail
> to initialise it to a value.

We need to build with -fno-common to be 100% safe in this case.  I'll
run several compilations with this flag tomorrow.

> >We already argue about the extra couple of bytes that xx change to the
> >kernel/a module would cost.  With these change, we save kilo-bytes in
> >disk space (which is important on some systems).
>  
> PDAs!!! :)  Excellent work Russell.

Note that this only affects the storage; the run-time size is exactly
the same in both cases.  I hope my comment above was clear about that.
   _____
  |_____| ------------------------------------------------- ---+---+-
  |   |         Russell King        rmk@arm.linux.org.uk      --- ---
  | | | | http://www.arm.linux.org.uk/personal/aboutme.html   /  /  |
  | +-+-+                                                     --- -+-
  /   |               THE developer of ARM Linux              |+| /|\
 /  | | |                                                     ---  |
    +-+-+ -------------------------------------------------  /\\\  |
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  reply	other threads:[~2000-11-30  0:56 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-29 16:16 [PATCH] removal of "static foo = 0" from drivers/ide (test11) Darryl Miles
2000-11-29 23:54 ` Russell King [this message]
  -- strict thread matches above, loose matches on Subject: below --
2000-11-28 20:58 David Hinds
2000-11-28 21:08 ` Tigran Aivazian
2000-11-28 23:53   ` Peter Samuelson
2000-11-29  3:23     ` Keith Owens
2000-11-29  3:35       ` Peter Samuelson
2000-11-29  7:48     ` Tigran Aivazian
2000-11-29 14:00       ` Peter Samuelson
2000-11-29 14:08         ` Tigran Aivazian
2000-11-21 21:25 Bartlomiej Zolnierkiewicz
2000-11-21 22:55 ` J . A . Magallon
2000-11-21 23:04   ` Tigran Aivazian
2000-11-21 23:18     ` J . A . Magallon
2000-11-21 23:26       ` Tigran Aivazian
2000-11-21 23:30         ` J . A . Magallon
2000-11-23 11:01     ` Rusty Russell
2000-11-24 21:40       ` Vojtech Pavlik
     [not found]         ` <20001128031933.52DB981F5@halfway.linuxcare.com.au>
2000-11-28  8:59           ` Vojtech Pavlik
2000-11-24 23:13       ` J . A . Magallon
2000-11-25 12:01         ` Russell King
2000-11-25 11:50       ` Russell King
2000-11-25 23:56       ` Bartlomiej Zolnierkiewicz
2000-11-22  0:09   ` Jeff Garzik
2000-11-22 11:40   ` Russell King

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