Re: um: WARNING: at kernel/futex.c:786 __unqueue_futex

[Eric Dumazet]

Le jeudi 17 mars 2011 Ã 12:55 -0400, Steven Rostedt a Ãcrit :
> Here, test this patch. I'm in the process of committing it now.
> It will be two patches, one for the WARN_ON_SMP() change, the other for
> the futex change.
> 
> -- Steve
> 
> diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
> index c2c9ba0..25f1e9e 100644
> --- a/include/asm-generic/bug.h
> +++ b/include/asm-generic/bug.h
> @@ -168,7 +168,7 @@ extern void warn_slowpath_null(const char *file, const int line);
>  #ifdef CONFIG_SMP
>  # define WARN_ON_SMP(x)			WARN_ON(x)
>  #else
> -# define WARN_ON_SMP(x)			do { } while (0)
> +# define WARN_ON_SMP(x)			({0;})
>  #endif
>  

You meant :

# define WARN_ON_SMP(x)			({x;})

or

# define WARN_ON_SMP(x)	  do { } while (x, 0)

?


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