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From: Andi Kleen <andi@firstfloor.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Segher Boessenkool <segher@kernel.crashing.org>,
	Robert Hancock <hancockr@shaw.ca>,
	Christian Kujau <lists@nerdbynature.de>,
	LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>,
	john stultz <johnstul@us.ibm.com>
Subject: Re: [PATCH] common implementation of iterative div/mod
Date: Wed, 14 May 2008 10:33:01 +0200	[thread overview]
Message-ID: <482AA3BD.1030600@firstfloor.org> (raw)
In-Reply-To: <482A95BB.1000001@goop.org>

Jeremy Fitzhardinge wrote:

> 
> arch/x86/vdso/vclock_gettime.c has its own copies of other kernel
> functions which it can't directly call.  We could add
> timespec_add_ns()/iter_div_u64_rem() to that list, though its pretty
> hacky.  Could we link lib/div64.o into the vdso?

You would need to annotate it and have a separate object file for the
different sections. Also it would need to be compiled PIC.

Inlining is better.

-Andi


  reply	other threads:[~2008-05-14  8:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.QTbvQYXhEm5VNP5dvkl5JG7NHYQ@ifi.uio.no>
2008-05-04 17:35 ` undefined reference to __udivdi3 (gcc-4.3) Robert Hancock
2008-05-04 22:19   ` Segher Boessenkool
2008-05-07  9:29     ` Jeremy Fitzhardinge
2008-05-08 15:16       ` [PATCH] common implementation of iterative div/mod Jeremy Fitzhardinge
2008-05-08 20:26         ` Andrew Morton
2008-05-08 22:00           ` Jeremy Fitzhardinge
2008-05-08 20:52         ` Segher Boessenkool
2008-05-08 21:57           ` Jeremy Fitzhardinge
2008-05-09 11:45         ` Christian Kujau
2008-05-14  6:46         ` Andrew Morton
2008-05-14  7:33           ` Jeremy Fitzhardinge
2008-05-14  8:33             ` Andi Kleen [this message]
2008-05-14  9:55               ` Jeremy Fitzhardinge
2008-05-14 10:50                 ` Andi Kleen
2008-05-14 10:52                   ` Jeremy Fitzhardinge
2008-05-14 11:21                     ` Andi Kleen
2008-05-14 12:58                       ` Jeremy Fitzhardinge

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