tip: origin tree build failure, [patch] fix isdn/gigaset build failure

On Mon, 19 Apr 2010, Ingo Molnar wrote:
> 
> Note, i just found that my patch is not enough as we fail the build elsewhere as well:

Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
common.c?

IOW..

		Linus
---
 drivers/isdn/gigaset/gigaset.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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On Mon, 19 Apr 2010, Linus Torvalds wrote:
> 
> Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
> common.c?

This compiled for me, although the only thing I tried was just turning all 
the gigaset options to 'y'. Maybe some other config doesn't work. So I 
committed it as likely to fix things.

		Linus
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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 19 Apr 2010 12:00:49 -0700 (PDT)

> On Mon, 19 Apr 2010, Linus Torvalds wrote:
>> 
>> Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
>> common.c?
> 
> This compiled for me, although the only thing I tried was just turning all 
> the gigaset options to 'y'. Maybe some other config doesn't work. So I 
> committed it as likely to fix things.

Thanks Linus.

Ingo, let us know if there is still some problems in your
build tests.
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* Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Mon, 19 Apr 2010, Linus Torvalds wrote:
> > 
> > Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
> > common.c?
> 
> This compiled for me, although the only thing I tried was just turning all 
> the gigaset options to 'y'. Maybe some other config doesn't work. So I 
> committed it as likely to fix things.

I'll check it tomorrow - but i'd expect it to be enough, plus the all-yes 
thing is that matters most in practice in any case.

Thanks,

	Ingo
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* David Miller <davem@davemloft.net> wrote:

> From: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Mon, 19 Apr 2010 12:00:49 -0700 (PDT)
> 
> > On Mon, 19 Apr 2010, Linus Torvalds wrote:
> >> 
> >> Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
> >> common.c?
> > 
> > This compiled for me, although the only thing I tried was just turning all 
> > the gigaset options to 'y'. Maybe some other config doesn't work. So I 
> > committed it as likely to fix things.
> 
> Thanks Linus.
> 
> Ingo, let us know if there is still some problems in your
> build tests.

I did a few tests and it looks good here!

Thanks,

	Ingo
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Am 19.04.2010 20:14 schrieb Linus Torvalds:
> Maybe add the #include <linux/sched.h> into gigaset.h, instead of 
> common.c?

Yes, that's the correct fix. Thanks a lot!

For the record, the cause of the build failure was my removal of
#include <linux/usb.h> from gigaset.h, entailing the loss of one
indirect inclusion of sched.h. There's another indirect inclusion
of sched.h from gigaset.h via interrupt.h, hardirq.h and
smp_lock.h, but that one only operates if CONFIG_PREEMPT is set.
So the reason I did not see the build failure myself was that I
only tested with CONFIG_PREEMPT=y.

> ---
>  drivers/isdn/gigaset/gigaset.h |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
> index d32efb6..05947f9 100644
> --- a/drivers/isdn/gigaset/gigaset.h
> +++ b/drivers/isdn/gigaset/gigaset.h
> @@ -20,6 +20,7 @@
>  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>  
>  #include <linux/kernel.h>
> +#include <linux/sched.h>
>  #include <linux/compiler.h>
>  #include <linux/types.h>
>  #include <linux/ctype.h>

Acked-by: Tilman Schmidt <tilman@imap.cc>

in case it still matters.

Thanks again,
Tilman