summaryrefslogtreecommitdiff
path: root/arch/s390/kernel/ptrace.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-01 10:55:20 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-01 10:55:20 +0300
commit35858adbfca13678af99fb31618ef4428d6dedb0 (patch)
tree3336feaa61324486945816cb52c347733e7c0821 /arch/s390/kernel/ptrace.c
parent197d4db752e67160d79fed09968c2140376a80a3 (diff)
parent4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff)
downloadlinux-35858adbfca13678af99fb31618ef4428d6dedb0.tar.xz
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
-rw-r--r--arch/s390/kernel/ptrace.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 653c6a178740..7cf464234419 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -65,6 +65,7 @@ FixPerRegisters(struct task_struct *task)
{
struct pt_regs *regs;
per_struct *per_info;
+ per_cr_words cr_words;
regs = task_pt_regs(task);
per_info = (per_struct *) &task->thread.per_info;
@@ -98,6 +99,13 @@ FixPerRegisters(struct task_struct *task)
per_info->control_regs.bits.storage_alt_space_ctl = 1;
else
per_info->control_regs.bits.storage_alt_space_ctl = 0;
+
+ if (task == current) {
+ __ctl_store(cr_words, 9, 11);
+ if (memcmp(&cr_words, &per_info->control_regs.words,
+ sizeof(cr_words)) != 0)
+ __ctl_load(per_info->control_regs.words, 9, 11);
+ }
}
void user_enable_single_step(struct task_struct *task)
@@ -959,7 +967,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_fpregs_set,
},
[REGSET_GENERAL_EXTENDED] = {
- .core_note_type = NT_PRXSTATUS,
+ .core_note_type = NT_S390_HIGH_GPRS,
.n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),