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powerpc: Put exception configuration in a common place

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The various calls to establish exception endianness and AIL are
now done from a single point using already established CPU and FW
feature bits to decide what to do.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt
2016-07-05 15:03:49 +10:00
committed by Michael Ellerman
parent 3808a88985
commit d3cbff1b5a
8 changed files with 108 additions and 103 deletions
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12
arch/powerpc/include/asm/setup.h
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@@ -26,6 +26,18 @@ void initmem_init(void);
void setup_panic(void);
#define ARCH_PANIC_TIMEOUT 180
#ifdef CONFIG_PPC_PSERIES
extern void pseries_enable_reloc_on_exc(void);
extern void pseries_disable_reloc_on_exc(void);
extern void pseries_big_endian_exceptions(void);
extern void pseries_little_endian_exceptions(void);
#else
static inline void pseries_enable_reloc_on_exc(void) {}
static inline void pseries_disable_reloc_on_exc(void) {}
static inline void pseries_big_endian_exceptions(void) {}
static inline void pseries_little_endian_exceptions(void) {}
#endif /* CONFIG_PPC_PSERIES */
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_POWERPC_SETUP_H */