Re: [tip:x86/urgent] x86, hweight: Fix UML boot crash

From: Geert Uytterhoeven
Date: Thu Jun 10 2010 - 01:32:29 EST

On Thu, Jun 10, 2010 at 00:43, H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> wrote:
> Note: I have applied this Âbecause it fixes a regression, but it bugs

You seem to have pushed the wrong one, from this/the old thread (new one has
`resent' in the subject)?

> the living bejeezus out of me that the saner patch:
> diff --git a/arch/um/include/asm/arch_hweight.h
> b/arch/um/include/asm/arch_hweight.h
> new file mode 100644
> index 0000000..c656cf4
> --- /dev/null
> +++ b/arch/um/include/asm/arch_hweight.h
> @@ -0,0 +1,6 @@
> +#ifndef _ASM_UM_HWEIGHT_H
> +#define _ASM_UM_HWEIGHT_H
> +
> +#include <asm-generic/bitops/arch_hweight.h>
> +
> +#endif
> ... supposedly didn't work. ÂAs such, I consider this a temporary kluge
> until a proper solution is found. ÂFrom a code-cleanliness perspective,
> this patch is awful.

It does work, but it needs `make clean' first.

Probably the kbuild dependency system doesn't handle new include files
appearing earlier in the include path than an existing include file.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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