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authorJani Nikula <jani.nikula@intel.com>2021-07-01 18:46:34 +0300
committerJani Nikula <jani.nikula@intel.com>2021-07-01 18:46:34 +0300
commite42c6c1bc8d5e70d7b2c8af534b0d33a2be48f0c (patch)
tree4b1109adc051c943ef3edd990f5a907a0836bdf8 /arch/x86/events
parenta03e880a700d9e217f7660bfc3616d93783b6d8c (diff)
parent8a02ea42bc1d4c448caf1bab0e05899dad503f74 (diff)
downloadlinux-e42c6c1bc8d5e70d7b2c8af534b0d33a2be48f0c.tar.xz
Merge drm/drm-next into drm-intel-next
Bring drm-intel-next closer to drm-next and drm-intel-gt-next for a more feasible baseline for topic branches. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'arch/x86/events')
-rw-r--r--arch/x86/events/core.c6
-rw-r--r--arch/x86/events/intel/core.c2
-rw-r--r--arch/x86/events/intel/lbr.c26
-rw-r--r--arch/x86/events/intel/uncore_snbep.c9
-rw-r--r--arch/x86/events/perf_event.h6
5 files changed, 37 insertions, 12 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 8e509325c2c3..8f71dd72ef95 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -396,10 +396,12 @@ int x86_reserve_hardware(void)
if (!atomic_inc_not_zero(&pmc_refcount)) {
mutex_lock(&pmc_reserve_mutex);
if (atomic_read(&pmc_refcount) == 0) {
- if (!reserve_pmc_hardware())
+ if (!reserve_pmc_hardware()) {
err = -EBUSY;
- else
+ } else {
reserve_ds_buffers();
+ reserve_lbr_buffers();
+ }
}
if (!err)
atomic_inc(&pmc_refcount);
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 2521d03de5e0..e28892270c58 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -6253,7 +6253,7 @@ __init int intel_pmu_init(void)
* Check all LBT MSR here.
* Disable LBR access if any LBR MSRs can not be accessed.
*/
- if (x86_pmu.lbr_nr && !check_msr(x86_pmu.lbr_tos, 0x3UL))
+ if (x86_pmu.lbr_tos && !check_msr(x86_pmu.lbr_tos, 0x3UL))
x86_pmu.lbr_nr = 0;
for (i = 0; i < x86_pmu.lbr_nr; i++) {
if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) &&
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 76dbab6ac9fb..4409d2cccfda 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -658,7 +658,6 @@ static inline bool branch_user_callstack(unsigned br_sel)
void intel_pmu_lbr_add(struct perf_event *event)
{
- struct kmem_cache *kmem_cache = event->pmu->task_ctx_cache;
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
if (!x86_pmu.lbr_nr)
@@ -696,11 +695,6 @@ void intel_pmu_lbr_add(struct perf_event *event)
perf_sched_cb_inc(event->ctx->pmu);
if (!cpuc->lbr_users++ && !event->total_time_running)
intel_pmu_lbr_reset();
-
- if (static_cpu_has(X86_FEATURE_ARCH_LBR) &&
- kmem_cache && !cpuc->lbr_xsave &&
- (cpuc->lbr_users != cpuc->lbr_pebs_users))
- cpuc->lbr_xsave = kmem_cache_alloc(kmem_cache, GFP_KERNEL);
}
void release_lbr_buffers(void)
@@ -722,6 +716,26 @@ void release_lbr_buffers(void)
}
}
+void reserve_lbr_buffers(void)
+{
+ struct kmem_cache *kmem_cache;
+ struct cpu_hw_events *cpuc;
+ int cpu;
+
+ if (!static_cpu_has(X86_FEATURE_ARCH_LBR))
+ return;
+
+ for_each_possible_cpu(cpu) {
+ cpuc = per_cpu_ptr(&cpu_hw_events, cpu);
+ kmem_cache = x86_get_pmu(cpu)->task_ctx_cache;
+ if (!kmem_cache || cpuc->lbr_xsave)
+ continue;
+
+ cpuc->lbr_xsave = kmem_cache_alloc_node(kmem_cache, GFP_KERNEL,
+ cpu_to_node(cpu));
+ }
+}
+
void intel_pmu_lbr_del(struct perf_event *event)
{
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 63f097289a84..3a75a2c601c2 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -1406,6 +1406,8 @@ static int snbep_pci2phy_map_init(int devid, int nodeid_loc, int idmap_loc, bool
die_id = i;
else
die_id = topology_phys_to_logical_pkg(i);
+ if (die_id < 0)
+ die_id = -ENODEV;
map->pbus_to_dieid[bus] = die_id;
break;
}
@@ -1452,14 +1454,14 @@ static int snbep_pci2phy_map_init(int devid, int nodeid_loc, int idmap_loc, bool
i = -1;
if (reverse) {
for (bus = 255; bus >= 0; bus--) {
- if (map->pbus_to_dieid[bus] >= 0)
+ if (map->pbus_to_dieid[bus] != -1)
i = map->pbus_to_dieid[bus];
else
map->pbus_to_dieid[bus] = i;
}
} else {
for (bus = 0; bus <= 255; bus++) {
- if (map->pbus_to_dieid[bus] >= 0)
+ if (map->pbus_to_dieid[bus] != -1)
i = map->pbus_to_dieid[bus];
else
map->pbus_to_dieid[bus] = i;
@@ -5097,9 +5099,10 @@ static struct intel_uncore_type icx_uncore_m2m = {
.perf_ctr = SNR_M2M_PCI_PMON_CTR0,
.event_ctl = SNR_M2M_PCI_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
+ .event_mask_ext = SNR_M2M_PCI_PMON_UMASK_EXT,
.box_ctl = SNR_M2M_PCI_PMON_BOX_CTL,
.ops = &snr_m2m_uncore_pci_ops,
- .format_group = &skx_uncore_format_group,
+ .format_group = &snr_m2m_uncore_format_group,
};
static struct attribute *icx_upi_uncore_formats_attr[] = {
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 27fa85e7d4fd..ad87cb36f7c8 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -1244,6 +1244,8 @@ void reserve_ds_buffers(void);
void release_lbr_buffers(void);
+void reserve_lbr_buffers(void);
+
extern struct event_constraint bts_constraint;
extern struct event_constraint vlbr_constraint;
@@ -1393,6 +1395,10 @@ static inline void release_lbr_buffers(void)
{
}
+static inline void reserve_lbr_buffers(void)
+{
+}
+
static inline int intel_pmu_init(void)
{
return 0;