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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: my patches won't compile under 2.4.7
In-Reply-To: <E15PUnL-0002bA-00@the-village.bc.nu>
From: Kirk Reiser <kirk@braille.uwo.ca>
Date: 25 Jul 2001 16:10:48 -0400
In-Reply-To: <E15PUnL-0002bA-00@the-village.bc.nu>
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Huh?  Did you actually write something below Alan? or are you just
making me feel insecure? 'grin'

  Kirk

Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

> > 
> > As of 2.4.7 my patches to the kernel won't compile.  It appears to be
> > something to do with devfs_fs_kernel.h being part of miscdevices.h.  I
> > have sifted through the code but have not been able to determine
> > exactly why they won't work any more.  Here is the error output from
> > my compile:
> > 
> > gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 -march=i586    -c -o speakup.o speakup.c
> > In file included from /usr/src/linux/include/linux/locks.h:8,
> >                  from /usr/src/linux/include/linux/devfs_fs_kernel.h:6,
> >                  from /usr/src/linux/include/linux/miscdevice.h:4,
> >                  from speakup.c:63:
> > /usr/src/linux/include/linux/pagemap.h:35: `currcons' undeclared here (not in a function)
> > /usr/src/linux/include/linux/pagemap.h:35: parse error before `.'
> > make[4]: *** [speakup.o] Error 1
> > 
> > I'm not sure even where to start trying to describe what I've looked
> > at and what I don't understand.  It appears that page_cache_alloc() is
> > now an inline function with an argument passed to it, where it used to
> > be a #define with no arguments.  I see that struct misc_device now has
> > a new member devfs_handle but the other drivers I've looked at rtc.c
> > haven't changed their structure members to take this into account.  It
> > seems nothing new is necessary because misc_register checks if it's
> > been set or not.  The two error lines don't look to me to have anything
> > to do with any of these things either currcons isn't used in any of
> > the misc_device structure or anything I can see which might end up
> > calling page_cache_alloc().  Can anyone give me any ideas what I
> > should check to hunt down exactly what's going on here?  It almost
> > looks like gcc is getting screwed up in it's parsing or something.
> > 
> > Any ideas will greatefully be accepted I'm lost!
> > 
> >   Kirk
> > 
> > -- 
> > 
> > Kirk Reiser				The Computer Braille Facility
> > e-mail: kirk@braille.uwo.ca		University of Western Ontario
> > phone: (519) 661-3061
> > -
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> > Please read the FAQ at  http://www.tux.org/lkml/
> > 
> 
> 

-- 

Kirk Reiser				The Computer Braille Facility
e-mail: kirk@braille.uwo.ca		University of Western Ontario
phone: (519) 661-3061