On Sun, Oct 13, 2013 at 10:50:20PM +0800, Jiang Liu wrote: > To enable this feature, your toolchain must support "asm goto" extension > and "%c" constraint extesion. Current GCC for AARCH64 doesn't support > "%c", so you need a GCC patch similiar to this:
Oh god, not that again. I've no idea why ARM stuff has such a problem with supporting this very useful "%c" GCC constraint. Aarch32 didn't for ages consequently we now have horrid hacks around it in the kernel source because our compilers suck. Seems Aarch64 is doomed to repeat the same stupid mistakes. :( -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
