Re: [PATCH v2 1/2] m68k: Make thread_info.h usable from assembly.

From: Geert Uytterhoeven
Date: Sun Sep 27 2009 - 05:56:03 EST


On Wed, Sep 16, 2009 at 18:44, Tim Abbott <tabbott@xxxxxxxxxxx> wrote:
> Signed-off-by: Tim Abbott <tabbott@xxxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Roman Zippel <zippel@xxxxxxxxxxxxxx>
> Cc: linux-m68k@xxxxxxxxxxxxxxxxxxxx
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> ---
> Âarch/m68k/include/asm/thread_info_mm.h | Â Â2 ++
> Â1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h
> index b6da388..5f36cf1 100644
> --- a/arch/m68k/include/asm/thread_info_mm.h
> +++ b/arch/m68k/include/asm/thread_info_mm.h
> @@ -8,6 +8,7 @@
> Â#include <asm/types.h>
> Â#include <asm/page.h>
>
> +#ifndef __ASSEMBLY__
> Âstruct thread_info {
>    Âstruct task_struct   Â*task;     Â/* main task structure */
>    Âunsigned long      flags;
> @@ -16,6 +17,7 @@ struct thread_info {
> Â Â Â Â__u32 cpu; /* should always be 0 on m68k */
>    Âstruct restart_block  Ârestart_block;
> Â};
> +#endif /* __ASSEMBLY__ */
>
> Â#define PREEMPT_ACTIVE Â Â Â Â 0x4000000

This is not sufficient. <asm/thread_info_mm.h> pulls in <asm/current.h>,
which contains C only. So you also need:

--- a/arch/m68k/include/asm/thread_info_mm.h
+++ b/arch/m68k/include/asm/thread_info_mm.h
@@ -4,11 +4,12 @@
#ifndef ASM_OFFSETS_C
#include <asm/asm-offsets.h>
#endif
-#include <asm/current.h>
#include <asm/types.h>
#include <asm/page.h>

#ifndef __ASSEMBLY__
+#include <asm/current.h>
+
struct thread_info {
struct task_struct *task; /* main task structure */
unsigned long flags;


Gr{oetje,eeting}s,

Geert

--
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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