diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/kmap_types.h | 6 | ||||
| -rw-r--r-- | arch/arm/include/asm/unistd.h | 9 |
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 247b7b0adc2..e8d45832cfb 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -415,9 +415,14 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page static inline void __flush_icache_all(void) { +#ifdef CONFIG_ARM_ERRATA_411920 + extern void v6_icache_inval_all(void); + v6_icache_inval_all(); +#else asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" : : "r" (0)); +#endif } #define ARCH_HAS_FLUSH_ANON_PAGE diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h index d16ec97ec9a..c019949a518 100644 --- a/arch/arm/include/asm/kmap_types.h +++ b/arch/arm/include/asm/kmap_types.h @@ -22,4 +22,10 @@ enum km_type { KM_TYPE_NR }; +#ifdef CONFIG_DEBUG_HIGHMEM +#define KM_NMI (-1) +#define KM_NMI_PTE (-1) +#define KM_IRQ_PTE (-1) +#endif + #endif diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 7020217fc49..4e506d09e5f 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -403,6 +403,15 @@ #define __ARM_NR_set_tls (__ARM_NR_BASE+5) /* + * *NOTE*: This is a ghost syscall private to the kernel. Only the + * __kuser_cmpxchg code in entry-armv.S should be aware of its + * existence. Don't ever use this from user code. + */ +#ifdef __KERNEL__ +#define __ARM_NR_cmpxchg (__ARM_NR_BASE+0x00fff0) +#endif + +/* * The following syscalls are obsolete and no longer available for EABI. */ #if defined(__ARM_EABI__) && !defined(__KERNEL__) |