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SubjectRe: 2.6.19-rc5-mm2
On Tue, 14 Nov 2006 08:41:30 -0800
Andrew Morton <akpm@osdl.org> wrote:

> This should fix it:
>
>
> diff -puN arch/i386/kernel/alternative.c~fix-x86_64-mm-patch-inline-replacements-for arch/i386/kernel/alternative.c
> --- a/arch/i386/kernel/alternative.c~fix-x86_64-mm-patch-inline-replacements-for
> +++ a/arch/i386/kernel/alternative.c
> @@ -381,10 +381,7 @@ void apply_paravirt(struct paravirt_patc
> extern struct paravirt_patch __start_parainstructions[],
> __stop_parainstructions[];
> #else
> -void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
> -{
> -}
> -extern struct paravirt_patch *__start_parainstructions, *__stop_parainstructions;
> +#define apply_paravirt(start, end) do { } while (0)
> #endif /* CONFIG_PARAVIRT */
>
> void __init alternative_instructions(void)

hm, but that breaks x86. Maybe this..


arch/i386/kernel/alternative.c | 5 -----
include/asm-i386/alternative.h | 4 ++++
include/asm-x86_64/alternative.h | 4 ++++
3 files changed, 8 insertions(+), 5 deletions(-)

diff -puN arch/i386/kernel/alternative.c~fix-x86_64-mm-patch-inline-replacements-for arch/i386/kernel/alternative.c
--- a/arch/i386/kernel/alternative.c~fix-x86_64-mm-patch-inline-replacements-for
+++ a/arch/i386/kernel/alternative.c
@@ -380,11 +380,6 @@ void apply_paravirt(struct paravirt_patc
}
extern struct paravirt_patch __start_parainstructions[],
__stop_parainstructions[];
-#else
-void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
-{
-}
-extern struct paravirt_patch *__start_parainstructions, *__stop_parainstructions;
#endif /* CONFIG_PARAVIRT */

void __init alternative_instructions(void)
diff -puN include/asm-i386/alternative.h~fix-x86_64-mm-patch-inline-replacements-for include/asm-i386/alternative.h
--- a/include/asm-i386/alternative.h~fix-x86_64-mm-patch-inline-replacements-for
+++ a/include/asm-i386/alternative.h
@@ -119,6 +119,10 @@ static inline void alternatives_smp_swit
#endif

struct paravirt_patch;
+#ifdef CONFIG_PARAVIRT
void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end);
+#else
+#define apply_paravirt(start, end) do { } while (0)
+#endif

#endif /* _I386_ALTERNATIVE_H */
diff -puN include/asm-x86_64/alternative.h~fix-x86_64-mm-patch-inline-replacements-for include/asm-x86_64/alternative.h
--- a/include/asm-x86_64/alternative.h~fix-x86_64-mm-patch-inline-replacements-for
+++ a/include/asm-x86_64/alternative.h
@@ -134,6 +134,10 @@ static inline void alternatives_smp_swit
#endif

struct paravirt_patch;
+#ifdef CONFIG_PARAVIRT
void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end);
+#else
+#define apply_paravirt(start, end) do { } while (0)
+#endif

#endif /* _X86_64_ALTERNATIVE_H */
_

Unpleasant duplication there. Perhaps we should have linux/alternative.h

-
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