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| author | David Vrabel <david.vrabel@csr.com> | 2010-02-25 13:35:22 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2010-02-25 13:35:22 +0000 |
| commit | 03806fa20f6a081493a731a4b18ea66317f9f947 (patch) | |
| tree | 630796c65c501e3612253ee4d4af58082a5f984c /arch/s390/kernel/ptrace.c | |
| parent | 35fb2a816a06ded2a3ff83d896c34b83c8e1d556 (diff) | |
| parent | baac35c4155a8aa826c70acee6553368ca5243a2 (diff) | |
| download | blackbird-op-linux-03806fa20f6a081493a731a4b18ea66317f9f947.tar.gz blackbird-op-linux-03806fa20f6a081493a731a4b18ea66317f9f947.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
| -rw-r--r-- | arch/s390/kernel/ptrace.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 13815d39f7dd..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) |
