diff options
| -rw-r--r-- | arch/arm/mm/mmu.c | 20 | ||||
| -rw-r--r-- | include/asm-arm/system.h | 33 |
2 files changed, 28 insertions, 25 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index f028aef9a86..655c8376f0b 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -154,6 +154,26 @@ static int __init noalign_setup(char *__unused) } __setup("noalign", noalign_setup); +#ifndef CONFIG_SMP +void adjust_cr(unsigned long mask, unsigned long set) +{ + unsigned long flags; + + mask &= ~CR_A; + + set &= mask; + + local_irq_save(flags); + + cr_no_alignment = (cr_no_alignment & ~mask) | set; + cr_alignment = (cr_alignment & ~mask) | set; + + set_cr((get_cr() & ~mask) | set); + + local_irq_restore(flags); +} +#endif + struct mem_types { unsigned int prot_pte; unsigned int prot_l1; diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index e160aeb0138..aa223fc546a 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -73,6 +73,7 @@ #ifndef __ASSEMBLY__ #include <linux/linkage.h> +#include <linux/irqflags.h> struct thread_info; struct task_struct; @@ -139,6 +140,9 @@ static inline int cpu_is_xsc3(void) #define cpu_is_xscale() 1 #endif +extern unsigned long cr_no_alignment; /* defined in entry-armv.S */ +extern unsigned long cr_alignment; /* defined in entry-armv.S */ + static inline unsigned int get_cr(void) { unsigned int val; @@ -152,6 +156,10 @@ static inline void set_cr(unsigned int val) : : "r" (val) : "cc"); } +#ifndef CONFIG_SMP +extern void adjust_cr(unsigned long mask, unsigned long set); +#endif + #define CPACC_FULL(n) (3 << (n * 2)) #define CPACC_SVC(n) (1 << (n * 2)) #define CPACC_DISABLE(n) (0 << (n * 2)) @@ -170,29 +178,6 @@ static inline void set_copro_access(unsigned int val) : : "r" (val) : "cc"); } -extern unsigned long cr_no_alignment; /* defined in entry-armv.S */ -extern unsigned long cr_alignment; /* defined in entry-armv.S */ - -#ifndef CONFIG_SMP -static inline void adjust_cr(unsigned long mask, unsigned long set) -{ - unsigned long flags, cr; - - mask &= ~CR_A; - - set &= mask; - - local_irq_save(flags); - - cr_no_alignment = (cr_no_alignment & ~mask) | set; - cr_alignment = (cr_alignment & ~mask) | set; - - set_cr((get_cr() & ~mask) | set); - - local_irq_restore(flags); -} -#endif - #define UDBG_UNDEFINED (1 << 0) #define UDBG_SYSCALL (1 << 1) #define UDBG_BADABORT (1 << 2) @@ -248,8 +233,6 @@ static inline void sched_cacheflush(void) { } -#include <linux/irqflags.h> - #ifdef CONFIG_SMP #define smp_mb() mb() |