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authorJens Axboe <jaxboe@fusionio.com>2010-06-01 12:42:12 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-06-01 12:42:12 +0200
commitb4ca761577535b2b4d153689ee97342797dfff05 (patch)
tree29054d55508f1faa22ec32acf7c245751af03348 /arch/s390/kernel
parent28f4197e5d4707311febeec8a0eb97cb5fd93c97 (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
Merge branch 'master' into for-linus
Conflicts: fs/pipe.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/asm-offsets.c4
-rw-r--r--arch/s390/kernel/entry64.S2
-rw-r--r--arch/s390/kernel/kprobes.c3
-rw-r--r--arch/s390/kernel/setup.c2
-rw-r--r--arch/s390/kernel/smp.c6
5 files changed, 10 insertions, 7 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index d9b490a2716..5232278d79a 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -132,8 +132,6 @@ int main(void)
DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
- DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
- DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
@@ -154,6 +152,8 @@ int main(void)
DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
+ DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
+ DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
#endif /* CONFIG_32BIT */
return 0;
}
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 178d92536d9..e7192e1cb67 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -65,7 +65,7 @@ _TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | \
ltgr %r3,%r3
jz 0f
basr %r14,%r3
- 0:
+0:
#endif
.endm
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 3d34eef5a2c..2a3d2bf6f08 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -63,6 +63,8 @@ int __kprobes is_prohibited_opcode(kprobe_opcode_t *instruction)
case 0x0b: /* bsm */
case 0x83: /* diag */
case 0x44: /* ex */
+ case 0xac: /* stnsm */
+ case 0xad: /* stosm */
return -EINVAL;
}
switch (*(__u16 *) instruction) {
@@ -72,6 +74,7 @@ int __kprobes is_prohibited_opcode(kprobe_opcode_t *instruction)
case 0xb258: /* bsg */
case 0xb218: /* pc */
case 0xb228: /* pt */
+ case 0xb98d: /* epsw */
return -EINVAL;
}
return 0;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 7d893248d26..c8e8e1354e1 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -401,7 +401,6 @@ setup_lowcore(void)
lc->io_new_psw.mask = psw_kernel_bits;
lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
lc->clock_comparator = -1ULL;
- lc->cmf_hpp = -1ULL;
lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
lc->async_stack = (unsigned long)
__alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + ASYNC_SIZE;
@@ -418,6 +417,7 @@ setup_lowcore(void)
__ctl_set_bit(14, 29);
}
#else
+ lc->cmf_hpp = -1ULL;
lc->vdso_per_cpu_data = (unsigned long) &lc->paste[0];
#endif
lc->sync_enter_timer = S390_lowcore.sync_enter_timer;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index e4d98de83dd..541053ed234 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -944,21 +944,21 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self,
struct cpu *c = &per_cpu(cpu_devices, cpu);
struct sys_device *s = &c->sysdev;
struct s390_idle_data *idle;
+ int err = 0;
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
idle = &per_cpu(s390_idle, cpu);
memset(idle, 0, sizeof(struct s390_idle_data));
- if (sysfs_create_group(&s->kobj, &cpu_online_attr_group))
- return NOTIFY_BAD;
+ err = sysfs_create_group(&s->kobj, &cpu_online_attr_group);
break;
case CPU_DEAD:
case CPU_DEAD_FROZEN:
sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
break;
}
- return NOTIFY_OK;
+ return notifier_from_errno(err);
}
static struct notifier_block __cpuinitdata smp_cpu_nb = {