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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-07-27 10:31:12 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-07-30 11:03:12 +0200
commit7d25617597ff8dcfe4d0e1d0ac9214e7cc7ded92 (patch)
tree5195733687b3194e053be0687137f6f6b05472e0 /arch/s390/mm/fault.c
parent37fe1d73a449bdebc4908d04e518f5852d6c453b (diff)
downloadop-kernel-dev-7d25617597ff8dcfe4d0e1d0ac9214e7cc7ded92.zip
op-kernel-dev-7d25617597ff8dcfe4d0e1d0ac9214e7cc7ded92.tar.gz
s390: make use of user_mode() macro where possible
We use the user_mode() helper already at several places but also have the open coded variant at other places. Convert the code to always use the helper function. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r--arch/s390/mm/fault.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 5bddbe4..6c013f5 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -220,7 +220,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
case VM_FAULT_BADACCESS:
case VM_FAULT_BADMAP:
/* Bad memory access. Check if it is kernel or user space. */
- if (regs->psw.mask & PSW_MASK_PSTATE) {
+ if (user_mode(regs)) {
/* User mode accesses just cause a SIGSEGV */
si_code = (fault == VM_FAULT_BADMAP) ?
SEGV_MAPERR : SEGV_ACCERR;
@@ -236,13 +236,13 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
break;
default: /* fault & VM_FAULT_ERROR */
if (fault & VM_FAULT_OOM) {
- if (!(regs->psw.mask & PSW_MASK_PSTATE))
+ if (!user_mode(regs))
do_no_context(regs);
else
pagefault_out_of_memory();
} else if (fault & VM_FAULT_SIGBUS) {
/* Kernel mode? Handle exceptions or die */
- if (!(regs->psw.mask & PSW_MASK_PSTATE))
+ if (!user_mode(regs))
do_no_context(regs);
else
do_sigbus(regs);
@@ -436,7 +436,7 @@ void __kprobes do_asce_exception(struct pt_regs *regs)
}
/* User mode accesses just cause a SIGSEGV */
- if (regs->psw.mask & PSW_MASK_PSTATE) {
+ if (user_mode(regs)) {
do_sigsegv(regs, SEGV_MAPERR);
return;
}
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