Add sparse annotations to quiet sparse in arch/x86_64/mm/fault.c Fixes linux/arch/x86_64/mm/fault.c:125:7: warning: incorrect type in argument 1 (different address spaces) linux/arch/x86_64/mm/fault.c:125:7: expected void [noderef] * linux/arch/x86_64/mm/fault.c:125:7: got unsigned char *[assigned] instr linux/arch/x86_64/mm/fault.c:163:8: warning: incorrect type in argument 1 (different address spaces) linux/arch/x86_64/mm/fault.c:163:8: expected void [noderef] * linux/arch/x86_64/mm/fault.c:163:8: got unsigned char *[assigned] instr linux/arch/x86_64/mm/fault.c:179:9: warning: incorrect type in argument 1 (different address spaces) linux/arch/x86_64/mm/fault.c:179:9: expected void [noderef] * linux/arch/x86_64/mm/fault.c:179:9: got unsigned long * Signed-off-by: Andi Kleen --- arch/x86_64/mm/fault.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) Index: linux/arch/x86_64/mm/fault.c =================================================================== --- linux.orig/arch/x86_64/mm/fault.c +++ linux/arch/x86_64/mm/fault.c @@ -102,7 +102,7 @@ void bust_spinlocks(int yes) static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr, unsigned long error_code) { - unsigned char *instr; + unsigned char __user *instr; int scan_more = 1; int prefetch = 0; unsigned char *max_instr; @@ -111,7 +111,7 @@ static noinline int is_prefetch(struct p if (error_code & PF_INSTR) return 0; - instr = (unsigned char *)convert_rip_to_linear(current, regs); + instr = (unsigned char __user *)convert_rip_to_linear(current, regs); max_instr = instr + 15; if (user_mode(regs) && instr >= (unsigned char *)TASK_SIZE) @@ -122,7 +122,7 @@ static noinline int is_prefetch(struct p unsigned char instr_hi; unsigned char instr_lo; - if (__get_user(opcode, instr)) + if (__get_user(opcode, (char __user *)instr)) break; instr_hi = opcode & 0xf0; @@ -160,7 +160,7 @@ static noinline int is_prefetch(struct p case 0x00: /* Prefetch instruction is 0x0F0D or 0x0F18 */ scan_more = 0; - if (__get_user(opcode, instr)) + if (__get_user(opcode, (char __user *)instr)) break; prefetch = (instr_lo == 0xF) && (opcode == 0x0D || opcode == 0x18); @@ -176,7 +176,7 @@ static noinline int is_prefetch(struct p static int bad_address(void *p) { unsigned long dummy; - return __get_user(dummy, (unsigned long *)p); + return __get_user(dummy, (unsigned long __user *)p); } void dump_pagetable(unsigned long address)