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m68k: mmu_context: Fix Sun-3 build 

When building for Sun-3 (e.g. sun3_defconfig):

    In file included from ./arch/m68k/include/asm/mmu_context.h:312,
		     from arch/m68k/sun3/mmu_emu.c:28:
    ./include/asm-generic/mmu_context.h:46:20: error: redefinition of ‘destroy_context’
       46 | static inline void destroy_context(struct mm_struct *mm)
	  |                    ^~~~~~~~~~~~~~~
    In file included from arch/m68k/sun3/mmu_emu.c:28:
    ./arch/m68k/include/asm/mmu_context.h:192:20: note: previous definition of ‘destroy_context’ was here
      192 | static inline void destroy_context(struct mm_struct *mm)
	  |                    ^~~~~~~~~~~~~~~

Fix this by marking destroy_context implemented by arch-specific code.

Fixes: cb41155766b05935 ("m68k: use asm-generic/mmu_context.h for no-op implementations")
Reported-by: noreply@ellerman.id.au
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Geert Uytterhoeven 2020-10-27 09:19:19 +01:00 committed by Arnd Bergmann
parent 0a1c8e54c8
commit 2040a6bf90
1 changed files with 1 additions and 0 deletions
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arch/m68k/include/asm/mmu_context.h
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@ -189,6 +189,7 @@ static inline void get_mmu_context(struct mm_struct *mm)
}
/* flush context if allocated... */
#define destroy_context destroy_context
static inline void destroy_context(struct mm_struct *mm)
{
if (mm->context != SUN3_INVALID_CONTEXT)