diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/s390/kernel/smp.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/s390/kernel/smp.c')
| -rw-r--r-- | arch/s390/kernel/smp.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index c6355e6f3..9062df575 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -33,6 +33,7 @@ #include <linux/crash_dump.h> #include <linux/memblock.h> #include <asm/asm-offsets.h> +#include <asm/diag.h> #include <asm/switch_to.h> #include <asm/facility.h> #include <asm/ipl.h> @@ -261,6 +262,8 @@ static void pcpu_attach_task(struct pcpu *pcpu, struct task_struct *tsk) + THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs); lc->thread_info = (unsigned long) task_thread_info(tsk); lc->current_task = (unsigned long) tsk; + lc->lpp = LPP_MAGIC; + lc->current_pid = tsk->pid; lc->user_timer = ti->user_timer; lc->system_timer = ti->system_timer; lc->steal_timer = 0; @@ -375,11 +378,14 @@ int smp_vcpu_scheduled(int cpu) void smp_yield_cpu(int cpu) { - if (MACHINE_HAS_DIAG9C) + if (MACHINE_HAS_DIAG9C) { + diag_stat_inc_norecursion(DIAG_STAT_X09C); asm volatile("diag %0,0,0x9c" : : "d" (pcpu_devices[cpu].address)); - else if (MACHINE_HAS_DIAG44) + } else if (MACHINE_HAS_DIAG44) { + diag_stat_inc_norecursion(DIAG_STAT_X044); asm volatile("diag 0,0,0x44"); + } } /* |