diff options
Diffstat (limited to 'arch/s390/kernel/process.c')
| -rw-r--r-- | arch/s390/kernel/process.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 20cd339e11ae..999d7154bbdc 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -73,8 +73,10 @@ extern void kernel_thread_starter(void); */ void exit_thread(struct task_struct *tsk) { - if (tsk == current) + if (tsk == current) { exit_thread_runtime_instr(); + exit_thread_gs(); + } } void flush_thread(void) @@ -124,7 +126,10 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long new_stackp, clear_tsk_thread_flag(p, TIF_SINGLE_STEP); /* Initialize per thread user and system timer values */ p->thread.user_timer = 0; + p->thread.guest_timer = 0; p->thread.system_timer = 0; + p->thread.hardirq_timer = 0; + p->thread.softirq_timer = 0; frame->sf.back_chain = 0; /* new return point is ret_from_fork */ @@ -156,6 +161,9 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long new_stackp, /* Don't copy runtime instrumentation info */ p->thread.ri_cb = NULL; frame->childregs.psw.mask &= ~PSW_MASK_RI; + /* Don't copy guarded storage control block */ + p->thread.gs_cb = NULL; + p->thread.gs_bc_cb = NULL; /* Set a new TLS ? */ if (clone_flags & CLONE_SETTLS) { |