diff options
Diffstat (limited to 'arch/mips/include/asm/uaccess.h')
| -rw-r--r-- | arch/mips/include/asm/uaccess.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index bd87e36bf26a..b46caab453a5 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -23,7 +23,11 @@ */ #ifdef CONFIG_32BIT -#define __UA_LIMIT 0x80000000UL +#ifdef CONFIG_KVM_GUEST +#define __UA_LIMIT 0x40000000UL +#else +#define __UA_LIMIT 0x80000000UL +#endif #define __UA_ADDR ".word" #define __UA_LA "la" @@ -55,8 +59,13 @@ extern u64 __ua_limit; * address in this range it's the process's problem, not ours :-) */ +#ifdef CONFIG_KVM_GUEST +#define KERNEL_DS ((mm_segment_t) { 0x80000000UL }) +#define USER_DS ((mm_segment_t) { 0xC0000000UL }) +#else #define KERNEL_DS ((mm_segment_t) { 0UL }) #define USER_DS ((mm_segment_t) { __UA_LIMIT }) +#endif #define VERIFY_READ 0 #define VERIFY_WRITE 1 |