diff options
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 2 | ||||
-rw-r--r-- | arch/s390/kernel/process.c | 5 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 7 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 4 |
4 files changed, 11 insertions, 7 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 18c51df9fe06..ff605a39cf43 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -662,7 +662,7 @@ ENTRY(sys32_getresuid16_wrapper) ENTRY(sys32_poll_wrapper) llgtr %r2,%r2 # struct pollfd * llgfr %r3,%r3 # unsigned int - lgfr %r4,%r4 # long + lgfr %r4,%r4 # int jg sys_poll # branch to system call ENTRY(sys32_setresgid16_wrapper) diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 3201ae447990..4261aa799774 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -76,7 +76,6 @@ static void default_idle(void) if (test_thread_flag(TIF_MCCK_PENDING)) { local_mcck_enable(); local_irq_enable(); - s390_handle_mcck(); return; } trace_hardirqs_on(); @@ -93,10 +92,12 @@ void cpu_idle(void) for (;;) { tick_nohz_idle_enter(); rcu_idle_enter(); - while (!need_resched()) + while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING)) default_idle(); rcu_idle_exit(); tick_nohz_idle_exit(); + if (test_thread_flag(TIF_MCCK_PENDING)) + s390_handle_mcck(); preempt_enable_no_resched(); schedule(); preempt_disable(); diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index fa02f443f5f6..14da278febbf 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta) static int s390_next_ktime(ktime_t expires, struct clock_event_device *evt) { + struct timespec ts; u64 nsecs; - nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset())); + ts.tv_sec = ts.tv_nsec = 0; + monotonic_to_bootbased(&ts); + nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires)); do_div(nsecs, 125); - S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9); + S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9); set_clock_comparator(S390_lowcore.clock_comparator); return 0; } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index e4c79ebb40e6..21109c63eb12 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -9,12 +9,12 @@ #ifndef CONFIG_64BIT OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") OUTPUT_ARCH(s390) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64 + 4; #else OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") OUTPUT_ARCH(s390:64-bit) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64; #endif |