Re: [PATCH 03/13] jump label v9: x86 support

From: Peter Zijlstra
Date: Thu Jun 10 2010 - 08:15:54 EST


On Wed, 2010-06-09 at 17:39 -0400, Jason Baron wrote:
> +#define JUMP_LABEL(tag, label, cond) \
> + do { \
> + extern const char __jlstrtab_##tag[]; \
> + asm goto("1:" \
> + JUMP_LABEL_NOP \
> + ".pushsection __jump_table, \"a\" \n\t"\
> + _ASM_PTR "1b, %l[" #label "], %c0 \n\t" \
> + ".popsection \n\t" \
> + : : "i" (__jlstrtab_##tag) : : label);\
> + } while (0)

Would it make sense to have that macro at least evaluate cond in some
way?
--
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/