linux-kernel - Re: [PATCH] UML

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Message-ID: <20070925215629.GA10926@c2.user-mode-linux.org>
Date:	Tue, 25 Sep 2007 17:56:29 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [PATCH] UML - time build fix

On Tue, Sep 25, 2007 at 09:54:15PM +0200, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 13:37 -0400, Jeff Dike wrote:
> > Put back an implementation of timeval_to_ns in
> > arch/um/os-Linux/time.c.  tglx pointed out in his review of tickless
> > support that there was a perfectly good implementation of it in
> > linux/time.h.  The problem is that this is userspace code which can't
> > pull in kernel headers and there doesn't seem to be a libc version.
> 
> Oops. Did not notice. 

It's a UML peculiarity...

> Can't we move it into some header file which is accessible from everywhere ?

Not in the generic kernel.  UML has some generally includable headers
of its own, but that doesn't really help.

The one thing that would help is a libc timeval_to_ns.

				Jeff

-- 
Work email - jdike at linux dot intel dot com
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