Re: [PATCH] BUG(): CONFIG_BUG=n version of BUG() should be unreachable()

[David Howells]

Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:

> +#define BUG() do {							\
> +		for (;;)						\
> +			/* endless loop*/;				\
> +		unreachable();						\
> +} while(0)

Can you not do:

	#define BUG() do {						\
			unreachable();					\
	} while(1)

instead?  If the compiler is interpreting unreachable() to really mean that
what comes after will not be reached, then the condition/loop at the end of
the block should be optimised away.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/