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m68k: use same start_thread() on MMU and no-MMU

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The MMU and no-MMU versions of start_thread() are now identical, so use
the same common code for both.

Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
This commit is contained in:
Greg Ungerer 2016-07-21 17:29:43 +10:00
parent 120c4d95b2
commit f987e5a13c
1 changed files with 1 additions and 12 deletions
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13
arch/m68k/include/asm/processor.h
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@ -110,7 +110,6 @@ struct thread_struct {
#define setframeformat(_regs) do { } while (0) #define setframeformat(_regs) do { } while (0)
#endif #endif
#ifdef CONFIG_MMU
/* /*
* Do necessary setup to start up a newly executed thread. * Do necessary setup to start up a newly executed thread.
*/ */
@ -123,24 +122,14 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
wrusp(usp); wrusp(usp);
} }
#ifdef CONFIG_MMU
extern int handle_kernel_fault(struct pt_regs *regs); extern int handle_kernel_fault(struct pt_regs *regs);
#else #else
#define start_thread(_regs, _pc, _usp) \
do { \
(_regs)->pc = (_pc); \
setframeformat(_regs); \
(_regs)->sr &= ~0x2000; \
wrusp(_usp); \
} while(0)
static inline int handle_kernel_fault(struct pt_regs *regs) static inline int handle_kernel_fault(struct pt_regs *regs)
{ {
/* Any fault in kernel is fatal on non-mmu */ /* Any fault in kernel is fatal on non-mmu */
return 0; return 0;
} }
#endif #endif
/* Forward declaration, a strange C thing */ /* Forward declaration, a strange C thing */