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-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi3
-rw-r--r--arch/powerpc/configs/85xx/kmp204x_defconfig1
-rw-r--r--arch/powerpc/include/asm/processor.h2
-rw-r--r--arch/powerpc/kernel/ftrace.c3
-rw-r--r--arch/powerpc/kernel/pci-common.c11
-rw-r--r--arch/powerpc/kernel/time.c4
-rw-r--r--arch/powerpc/perf/hv-24x7.c6
-rw-r--r--arch/powerpc/perf/hv-gpci.c6
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c11
-rw-r--r--arch/powerpc/platforms/cell/spufs/context.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/file.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c4
12 files changed, 24 insertions, 35 deletions
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi
index f75b4f820c3c..7d4a6a2354f4 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi
@@ -32,7 +32,8 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
- compatible = "fsl,sec-v6.0";
+ compatible = "fsl,sec-v6.0", "fsl,sec-v5.0",
+ "fsl,sec-v4.0";
fsl,sec-era = <6>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/powerpc/configs/85xx/kmp204x_defconfig b/arch/powerpc/configs/85xx/kmp204x_defconfig
index e9a81e5ba273..e362d588dfbf 100644
--- a/arch/powerpc/configs/85xx/kmp204x_defconfig
+++ b/arch/powerpc/configs/85xx/kmp204x_defconfig
@@ -192,7 +192,6 @@ CONFIG_RTC_DRV_DS3232=y
CONFIG_RTC_DRV_CMOS=y
CONFIG_UIO=y
CONFIG_STAGING=y
-# CONFIG_NET_VENDOR_SILICOM is not set
CONFIG_CLK_PPC_CORENET=y
CONFIG_EXT2_FS=y
CONFIG_NTFS_FS=y
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 6d59072e13a7..dda7ac4c80bd 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -400,6 +400,8 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
#define cpu_relax() barrier()
#endif
+#define cpu_relax_lowlatency() cpu_relax()
+
/* Check that a certain kernel stack pointer is valid in task_struct p */
int validate_sp(unsigned long sp, struct task_struct *p,
unsigned long nbytes);
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index d178834fe508..390311c0f03d 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -525,6 +525,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
struct ftrace_graph_ent trace;
unsigned long return_hooker = (unsigned long)&return_to_handler;
+ if (unlikely(ftrace_graph_is_dead()))
+ return;
+
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index b49c72fd7f16..b2814e23e1ed 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -123,21 +123,12 @@ resource_size_t pcibios_window_alignment(struct pci_bus *bus,
void pcibios_reset_secondary_bus(struct pci_dev *dev)
{
- u16 ctrl;
-
if (ppc_md.pcibios_reset_secondary_bus) {
ppc_md.pcibios_reset_secondary_bus(dev);
return;
}
- pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &ctrl);
- ctrl |= PCI_BRIDGE_CTL_BUS_RESET;
- pci_write_config_word(dev, PCI_BRIDGE_CONTROL, ctrl);
- msleep(2);
-
- ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET;
- pci_write_config_word(dev, PCI_BRIDGE_CONTROL, ctrl);
- ssleep(1);
+ pci_reset_secondary_bus(dev);
}
static resource_size_t pcibios_io_size(const struct pci_controller *hose)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 9fff9cdcc519..368ab374d33c 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -741,7 +741,7 @@ static cycle_t timebase_read(struct clocksource *cs)
}
void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm,
- struct clocksource *clock, u32 mult)
+ struct clocksource *clock, u32 mult, cycle_t cycle_last)
{
u64 new_tb_to_xs, new_stamp_xsec;
u32 frac_sec;
@@ -774,7 +774,7 @@ void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm,
* We expect the caller to have done the first increment of
* vdso_data->tb_update_count already.
*/
- vdso_data->tb_orig_stamp = clock->cycle_last;
+ vdso_data->tb_orig_stamp = cycle_last;
vdso_data->stamp_xsec = new_stamp_xsec;
vdso_data->tb_to_xs = new_tb_to_xs;
vdso_data->wtom_clock_sec = wtm->tv_sec;
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index e0766b82e165..66d0f179650f 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -387,8 +387,7 @@ static int h_24x7_event_init(struct perf_event *event)
event->attr.exclude_hv ||
event->attr.exclude_idle ||
event->attr.exclude_host ||
- event->attr.exclude_guest ||
- is_sampling_event(event)) /* no sampling */
+ event->attr.exclude_guest)
return -EINVAL;
/* no branch sampling */
@@ -513,6 +512,9 @@ static int hv_24x7_init(void)
if (!hv_page_cache)
return -ENOMEM;
+ /* sampling not supported */
+ h_24x7_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+
r = perf_pmu_register(&h_24x7_pmu, h_24x7_pmu.name, -1);
if (r)
return r;
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index c9d399a2df82..15fc76c93022 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -210,8 +210,7 @@ static int h_gpci_event_init(struct perf_event *event)
event->attr.exclude_hv ||
event->attr.exclude_idle ||
event->attr.exclude_host ||
- event->attr.exclude_guest ||
- is_sampling_event(event)) /* no sampling */
+ event->attr.exclude_guest)
return -EINVAL;
/* no branch sampling */
@@ -284,6 +283,9 @@ static int hv_gpci_init(void)
return -ENODEV;
}
+ /* sampling not supported */
+ h_gpci_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+
r = perf_pmu_register(&h_gpci_pmu, h_gpci_pmu.name, -1);
if (r)
return r;
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index f85db3a69b4a..2930d1e81a05 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -611,7 +611,6 @@ static int __init create_spu(void *data)
int ret;
static int number;
unsigned long flags;
- struct timespec ts;
ret = -ENOMEM;
spu = kzalloc(sizeof (*spu), GFP_KERNEL);
@@ -652,8 +651,7 @@ static int __init create_spu(void *data)
mutex_unlock(&spu_full_list_mutex);
spu->stats.util_state = SPU_UTIL_IDLE_LOADED;
- ktime_get_ts(&ts);
- spu->stats.tstamp = timespec_to_ns(&ts);
+ spu->stats.tstamp = ktime_get_ns();
INIT_LIST_HEAD(&spu->aff_list);
@@ -676,7 +674,6 @@ static const char *spu_state_names[] = {
static unsigned long long spu_acct_time(struct spu *spu,
enum spu_utilization_state state)
{
- struct timespec ts;
unsigned long long time = spu->stats.times[state];
/*
@@ -684,10 +681,8 @@ static unsigned long long spu_acct_time(struct spu *spu,
* statistics are not updated. Apply the time delta from the
* last recorded state of the spu.
*/
- if (spu->stats.util_state == state) {
- ktime_get_ts(&ts);
- time += timespec_to_ns(&ts) - spu->stats.tstamp;
- }
+ if (spu->stats.util_state == state)
+ time += ktime_get_ns() - spu->stats.tstamp;
return time / NSEC_PER_MSEC;
}
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 9c6790d17eda..3b4152faeb1f 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -36,7 +36,6 @@ atomic_t nr_spu_contexts = ATOMIC_INIT(0);
struct spu_context *alloc_spu_context(struct spu_gang *gang)
{
struct spu_context *ctx;
- struct timespec ts;
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
if (!ctx)
@@ -67,8 +66,7 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang)
__spu_update_sched_info(ctx);
spu_set_timeslice(ctx);
ctx->stats.util_state = SPU_UTIL_IDLE_LOADED;
- ktime_get_ts(&ts);
- ctx->stats.tstamp = timespec_to_ns(&ts);
+ ctx->stats.tstamp = ktime_get_ns();
atomic_inc(&nr_spu_contexts);
goto out;
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 90986923a53a..d966bbe58b8f 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2338,7 +2338,6 @@ static const char *ctx_state_names[] = {
static unsigned long long spufs_acct_time(struct spu_context *ctx,
enum spu_utilization_state state)
{
- struct timespec ts;
unsigned long long time = ctx->stats.times[state];
/*
@@ -2351,8 +2350,7 @@ static unsigned long long spufs_acct_time(struct spu_context *ctx,
* of the spu context.
*/
if (ctx->spu && ctx->stats.util_state == state) {
- ktime_get_ts(&ts);
- time += timespec_to_ns(&ts) - ctx->stats.tstamp;
+ time += ktime_get_ns() - ctx->stats.tstamp;
}
return time / NSEC_PER_MSEC;
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 4a0a64fe25df..998f632e7cce 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -1039,13 +1039,11 @@ void spuctx_switch_state(struct spu_context *ctx,
{
unsigned long long curtime;
signed long long delta;
- struct timespec ts;
struct spu *spu;
enum spu_utilization_state old_state;
int node;
- ktime_get_ts(&ts);
- curtime = timespec_to_ns(&ts);
+ curtime = ktime_get_ns();
delta = curtime - ctx->stats.tstamp;
WARN_ON(!mutex_is_locked(&ctx->state_mutex));