| Message ID | 1461862316-9877-4-git-send-email-vladimir.murzin@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index fc8ba16..99d9f63 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -84,6 +84,7 @@ #ifndef __ASSEMBLY__ +#ifdef CONFIG_CPU_CP15_MMU static inline unsigned int get_domain(void) { unsigned int domain; @@ -103,6 +104,16 @@ static inline void set_domain(unsigned val) : : "r" (val) : "memory"); isb(); } +#else +static inline unsigned int get_domain(void) +{ + return 0; +} + +static inline void set_domain(unsigned val) +{ +} +#endif #ifdef CONFIG_CPU_USE_DOMAINS #define modify_domain(dom,type) \
Recursive undefined instrcution falut is seen with R-class taking an exception. The reson for that is __show_regs() tries to get domain information, but domains is not available on !MMU cores, like R/M class. Fix it by puting {set,get}_domain functions under CONFIG_CPU_CP15_MMU guard and providing stubs for the case where domains is not supported. Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> --- Changelog: v1 -> v2 - use CPU_CP15_MMU and don't disable SW PAN (per Russell) arch/arm/include/asm/domain.h | 11 +++++++++++ 1 file changed, 11 insertions(+)