[lkml]   [2004]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] dss1_divert ISDN module compile fix for kernel
On Wed, 17 Nov 2004 19:52:54 +0100, Steffen A. Mork
<> wrote:
> Dear Linus and Bartlomiej,
> >>when I switched my installation from kernel 2.4 to 2.6 I
> >>recognized that the ISDN module dss1_divert was marked
> >>incompilable (config option CONFIG_CLEAN_COMPILE must
> >>be turned off). The compile problem was the obsolete using
> >>of kernel 2.4 critical sections. I replaced the cli() stuff
> >>with spinlocks as explained in the Documentation/spinlocks.txt
> >>file. After that the module compiles and runs as expected.
> >
> >
> > This looks wrong, you are using many private spinlocks instead
> > of one global spinlock.

Moreover, you must make sure that there is no other code (ie. in generic
ISDN code) doing cli() stuff on objects that you are protecting by a spinlock
etc., I've checked divert driver and it looks OK.

> OK, thank you. I went into the copy/paste trap. I corrected the patch to
> a global spinlock and tested it successfully.


> The corrected patch is applied to kernel and should work for
> all 2.6 versions. You may also download the patch via http, too:
> Signed-off-by: Steffen A. Mork <>

Please do "interdiff" between the old and the new patch
and send it to Linus (he has already merged the old patch).

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 14:08    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean