summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/acpi/acpi_bus.h1
-rw-r--r--include/acpi/platform/acgcc.h9
-rw-r--r--include/linux/cpufreq.h169
-rw-r--r--include/linux/cpuhotplug.h4
-rw-r--r--include/linux/elfcore.h2
-rw-r--r--include/linux/energy_model.h68
-rw-r--r--include/linux/memory.h5
-rw-r--r--include/linux/mlx5/driver.h1
-rw-r--r--include/linux/pci-acpi.h8
-rw-r--r--include/linux/pm_wakeirq.h9
-rw-r--r--include/linux/secretmem.h2
-rw-r--r--include/linux/trace_recursion.h49
-rw-r--r--include/linux/user_namespace.h2
-rw-r--r--include/net/mctp.h2
-rw-r--r--include/net/sctp/sm.h6
-rw-r--r--include/net/tcp.h5
-rw-r--r--include/uapi/linux/mctp.h7
17 files changed, 251 insertions, 98 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 13d93371790e..53b6e9f9de7b 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -570,7 +570,6 @@ struct acpi_bus_type {
bool (*match)(struct device *dev);
struct acpi_device * (*find_companion)(struct device *);
void (*setup)(struct device *);
- void (*cleanup)(struct device *);
};
int register_acpi_bus_type(struct acpi_bus_type *);
int unregister_acpi_bus_type(struct acpi_bus_type *);
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index fb172a03a753..20ecb004f5a4 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -22,9 +22,14 @@ typedef __builtin_va_list va_list;
#define va_arg(v, l) __builtin_va_arg(v, l)
#define va_copy(d, s) __builtin_va_copy(d, s)
#else
+#ifdef __KERNEL__
#include <linux/stdarg.h>
-#endif
-#endif
+#else
+/* Used to build acpi tools */
+#include <stdarg.h>
+#endif /* __KERNEL__ */
+#endif /* ACPI_USE_BUILTIN_STDARG */
+#endif /* ! va_arg */
#define ACPI_INLINE __inline__
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index ff88bb3e44fc..1ab29e61b078 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -119,6 +119,13 @@ struct cpufreq_policy {
bool strict_target;
/*
+ * Set if inefficient frequencies were found in the frequency table.
+ * This indicates if the relation flag CPUFREQ_RELATION_E can be
+ * honored.
+ */
+ bool efficiencies_available;
+
+ /*
* Preferred average time interval between consecutive invocations of
* the driver to set the frequency for this policy. To be set by the
* scaling driver (0, which is the default, means no preference).
@@ -273,6 +280,12 @@ static inline void cpufreq_stats_record_transition(struct cpufreq_policy *policy
#define CPUFREQ_RELATION_L 0 /* lowest frequency at or above target */
#define CPUFREQ_RELATION_H 1 /* highest frequency below or at target */
#define CPUFREQ_RELATION_C 2 /* closest frequency to target */
+/* relation flags */
+#define CPUFREQ_RELATION_E BIT(2) /* Get if possible an efficient frequency */
+
+#define CPUFREQ_RELATION_LE (CPUFREQ_RELATION_L | CPUFREQ_RELATION_E)
+#define CPUFREQ_RELATION_HE (CPUFREQ_RELATION_H | CPUFREQ_RELATION_E)
+#define CPUFREQ_RELATION_CE (CPUFREQ_RELATION_C | CPUFREQ_RELATION_E)
struct freq_attr {
struct attribute attr;
@@ -385,7 +398,7 @@ struct cpufreq_driver {
/* flags */
/*
- * Set by drivers that need to update internale upper and lower boundaries along
+ * Set by drivers that need to update internal upper and lower boundaries along
* with the target frequency and so the core and governors should also invoke
* the diver if the target frequency does not change, but the policy min or max
* may have changed.
@@ -627,9 +640,11 @@ struct cpufreq_governor *cpufreq_fallback_governor(void);
static inline void cpufreq_policy_apply_limits(struct cpufreq_policy *policy)
{
if (policy->max < policy->cur)
- __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
+ __cpufreq_driver_target(policy, policy->max,
+ CPUFREQ_RELATION_HE);
else if (policy->min > policy->cur)
- __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
+ __cpufreq_driver_target(policy, policy->min,
+ CPUFREQ_RELATION_LE);
}
/* Governor attribute set */
@@ -660,10 +675,11 @@ struct governor_attr {
*********************************************************************/
/* Special Values of .frequency field */
-#define CPUFREQ_ENTRY_INVALID ~0u
-#define CPUFREQ_TABLE_END ~1u
+#define CPUFREQ_ENTRY_INVALID ~0u
+#define CPUFREQ_TABLE_END ~1u
/* Special Values of .flags field */
-#define CPUFREQ_BOOST_FREQ (1 << 0)
+#define CPUFREQ_BOOST_FREQ (1 << 0)
+#define CPUFREQ_INEFFICIENT_FREQ (1 << 1)
struct cpufreq_frequency_table {
unsigned int flags;
@@ -740,6 +756,22 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
continue; \
else
+/**
+ * cpufreq_for_each_efficient_entry_idx - iterate with index over a cpufreq
+ * frequency_table excluding CPUFREQ_ENTRY_INVALID and
+ * CPUFREQ_INEFFICIENT_FREQ frequencies.
+ * @pos: the &struct cpufreq_frequency_table to use as a loop cursor.
+ * @table: the &struct cpufreq_frequency_table to iterate over.
+ * @idx: the table entry currently being processed.
+ * @efficiencies: set to true to only iterate over efficient frequencies.
+ */
+
+#define cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) \
+ cpufreq_for_each_valid_entry_idx(pos, table, idx) \
+ if (efficiencies && (pos->flags & CPUFREQ_INEFFICIENT_FREQ)) \
+ continue; \
+ else
+
int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table);
@@ -764,14 +796,15 @@ bool policy_has_boost_freq(struct cpufreq_policy *policy);
/* Find lowest freq at or above target in a table in ascending order */
static inline int cpufreq_table_find_index_al(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq >= target_freq)
@@ -785,14 +818,15 @@ static inline int cpufreq_table_find_index_al(struct cpufreq_policy *policy,
/* Find lowest freq at or above target in a table in descending order */
static inline int cpufreq_table_find_index_dl(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq == target_freq)
@@ -815,26 +849,30 @@ static inline int cpufreq_table_find_index_dl(struct cpufreq_policy *policy,
/* Works only on sorted freq-tables */
static inline int cpufreq_table_find_index_l(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
target_freq = clamp_val(target_freq, policy->min, policy->max);
if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING)
- return cpufreq_table_find_index_al(policy, target_freq);
+ return cpufreq_table_find_index_al(policy, target_freq,
+ efficiencies);
else
- return cpufreq_table_find_index_dl(policy, target_freq);
+ return cpufreq_table_find_index_dl(policy, target_freq,
+ efficiencies);
}
/* Find highest freq at or below target in a table in ascending order */
static inline int cpufreq_table_find_index_ah(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq == target_freq)
@@ -857,14 +895,15 @@ static inline int cpufreq_table_find_index_ah(struct cpufreq_policy *policy,
/* Find highest freq at or below target in a table in descending order */
static inline int cpufreq_table_find_index_dh(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq <= target_freq)
@@ -878,26 +917,30 @@ static inline int cpufreq_table_find_index_dh(struct cpufreq_policy *policy,
/* Works only on sorted freq-tables */
static inline int cpufreq_table_find_index_h(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
target_freq = clamp_val(target_freq, policy->min, policy->max);
if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING)
- return cpufreq_table_find_index_ah(policy, target_freq);
+ return cpufreq_table_find_index_ah(policy, target_freq,
+ efficiencies);
else
- return cpufreq_table_find_index_dh(policy, target_freq);
+ return cpufreq_table_find_index_dh(policy, target_freq,
+ efficiencies);
}
/* Find closest freq to target in a table in ascending order */
static inline int cpufreq_table_find_index_ac(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq == target_freq)
@@ -924,14 +967,15 @@ static inline int cpufreq_table_find_index_ac(struct cpufreq_policy *policy,
/* Find closest freq to target in a table in descending order */
static inline int cpufreq_table_find_index_dc(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
struct cpufreq_frequency_table *table = policy->freq_table;
struct cpufreq_frequency_table *pos;
unsigned int freq;
int idx, best = -1;
- cpufreq_for_each_valid_entry_idx(pos, table, idx) {
+ cpufreq_for_each_efficient_entry_idx(pos, table, idx, efficiencies) {
freq = pos->frequency;
if (freq == target_freq)
@@ -958,35 +1002,58 @@ static inline int cpufreq_table_find_index_dc(struct cpufreq_policy *policy,
/* Works only on sorted freq-tables */
static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy,
- unsigned int target_freq)
+ unsigned int target_freq,
+ bool efficiencies)
{
target_freq = clamp_val(target_freq, policy->min, policy->max);
if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING)
- return cpufreq_table_find_index_ac(policy, target_freq);
+ return cpufreq_table_find_index_ac(policy, target_freq,
+ efficiencies);
else
- return cpufreq_table_find_index_dc(policy, target_freq);
+ return cpufreq_table_find_index_dc(policy, target_freq,
+ efficiencies);
}
static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
+ bool efficiencies = policy->efficiencies_available &&
+ (relation & CPUFREQ_RELATION_E);
+ int idx;
+
+ /* cpufreq_table_index_unsorted() has no use for this flag anyway */
+ relation &= ~CPUFREQ_RELATION_E;
+
if (unlikely(policy->freq_table_sorted == CPUFREQ_TABLE_UNSORTED))
return cpufreq_table_index_unsorted(policy, target_freq,
relation);
-
+retry:
switch (relation) {
case CPUFREQ_RELATION_L:
- return cpufreq_table_find_index_l(policy, target_freq);
+ idx = cpufreq_table_find_index_l(policy, target_freq,
+ efficiencies);
+ break;
case CPUFREQ_RELATION_H:
- return cpufreq_table_find_index_h(policy, target_freq);
+ idx = cpufreq_table_find_index_h(policy, target_freq,
+ efficiencies);
+ break;
case CPUFREQ_RELATION_C:
- return cpufreq_table_find_index_c(policy, target_freq);
+ idx = cpufreq_table_find_index_c(policy, target_freq,
+ efficiencies);
+ break;
default:
WARN_ON_ONCE(1);
return 0;
}
+
+ if (idx < 0 && efficiencies) {
+ efficiencies = false;
+ goto retry;
+ }
+
+ return idx;
}
static inline int cpufreq_table_count_valid_entries(const struct cpufreq_policy *policy)
@@ -1003,6 +1070,37 @@ static inline int cpufreq_table_count_valid_entries(const struct cpufreq_policy
return count;
}
+/**
+ * cpufreq_table_set_inefficient() - Mark a frequency as inefficient
+ * @policy: the &struct cpufreq_policy containing the inefficient frequency
+ * @frequency: the inefficient frequency
+ *
+ * The &struct cpufreq_policy must use a sorted frequency table
+ *
+ * Return: %0 on success or a negative errno code
+ */
+
+static inline int
+cpufreq_table_set_inefficient(struct cpufreq_policy *policy,
+ unsigned int frequency)
+{
+ struct cpufreq_frequency_table *pos;
+
+ /* Not supported */
+ if (policy->freq_table_sorted == CPUFREQ_TABLE_UNSORTED)
+ return -EINVAL;
+
+ cpufreq_for_each_valid_entry(pos, policy->freq_table) {
+ if (pos->frequency == frequency) {
+ pos->flags |= CPUFREQ_INEFFICIENT_FREQ;
+ policy->efficiencies_available = true;
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
static inline int parse_perf_domain(int cpu, const char *list_name,
const char *cell_name)
{
@@ -1041,7 +1139,7 @@ static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_
if (cpu == pcpu)
continue;
- ret = parse_perf_domain(pcpu, list_name, cell_name);
+ ret = parse_perf_domain(cpu, list_name, cell_name);
if (ret < 0)
continue;
@@ -1071,6 +1169,13 @@ static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
return false;
}
+static inline int
+cpufreq_table_set_inefficient(struct cpufreq_policy *policy,
+ unsigned int frequency)
+{
+ return -EINVAL;
+}
+
static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name,
const char *cell_name, struct cpumask *cpumask)
{
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index ad9a34a80440..773c83730906 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -72,6 +72,8 @@ enum cpuhp_state {
CPUHP_SLUB_DEAD,
CPUHP_DEBUG_OBJ_DEAD,
CPUHP_MM_WRITEBACK_DEAD,
+ /* Must be after CPUHP_MM_VMSTAT_DEAD */
+ CPUHP_MM_DEMOTION_DEAD,
CPUHP_MM_VMSTAT_DEAD,
CPUHP_SOFTIRQ_DEAD,
CPUHP_NET_MVNETA_DEAD,
@@ -241,6 +243,8 @@ enum cpuhp_state {
CPUHP_AP_BASE_CACHEINFO_ONLINE,
CPUHP_AP_ONLINE_DYN,
CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
+ /* Must be after CPUHP_AP_ONLINE_DYN for node_states[N_CPU] update */
+ CPUHP_AP_MM_DEMOTION_ONLINE,
CPUHP_AP_X86_HPET_ONLINE,
CPUHP_AP_X86_KVM_CLK_ONLINE,
CPUHP_AP_ACTIVE,
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index 2aaa15779d50..957ebec35aad 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -109,7 +109,7 @@ static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_reg
#endif
}
-#if defined(CONFIG_UM) || defined(CONFIG_IA64)
+#if (defined(CONFIG_UML) && defined(CONFIG_X86_32)) || defined(CONFIG_IA64)
/*
* These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
* extra segments containing the gate DSO contents. Dumping its
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 39dcadd492b5..6377adc3b78d 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -17,19 +17,30 @@
* device). It can be a total power: static and dynamic.
* @cost: The cost coefficient associated with this level, used during
* energy calculation. Equal to: power * max_frequency / frequency
+ * @flags: see "em_perf_state flags" description below.
*/
struct em_perf_state {
unsigned long frequency;
unsigned long power;
unsigned long cost;
+ unsigned long flags;
};
+/*
+ * em_perf_state flags:
+ *
+ * EM_PERF_STATE_INEFFICIENT: The performance state is inefficient. There is
+ * in this em_perf_domain, another performance state with a higher frequency
+ * but a lower or equal power cost. Such inefficient states are ignored when
+ * using em_pd_get_efficient_*() functions.
+ */
+#define EM_PERF_STATE_INEFFICIENT BIT(0)
+
/**
* struct em_perf_domain - Performance domain
* @table: List of performance states, in ascending order
* @nr_perf_states: Number of performance states
- * @milliwatts: Flag indicating the power values are in milli-Watts
- * or some other scale.
+ * @flags: See "em_perf_domain flags"
* @cpus: Cpumask covering the CPUs of the domain. It's here
* for performance reasons to avoid potential cache
* misses during energy calculations in the scheduler
@@ -44,10 +55,22 @@ struct em_perf_state {
struct em_perf_domain {
struct em_perf_state *table;
int nr_perf_states;
- int milliwatts;
+ unsigned long flags;
unsigned long cpus[];
};
+/*
+ * em_perf_domain flags:
+ *
+ * EM_PERF_DOMAIN_MILLIWATTS: The power values are in milli-Watts or some
+ * other scale.
+ *
+ * EM_PERF_DOMAIN_SKIP_INEFFICIENCIES: Skip inefficient states when estimating
+ * energy consumption.
+ */
+#define EM_PERF_DOMAIN_MILLIWATTS BIT(0)
+#define EM_PERF_DOMAIN_SKIP_INEFFICIENCIES BIT(1)
+
#define em_span_cpus(em) (to_cpumask((em)->cpus))
#ifdef CONFIG_ENERGY_MODEL
@@ -102,6 +125,37 @@ int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
void em_dev_unregister_perf_domain(struct device *dev);
/**
+ * em_pd_get_efficient_state() - Get an efficient performance state from the EM
+ * @pd : Performance domain for which we want an efficient frequency
+ * @freq : Frequency to map with the EM
+ *
+ * It is called from the scheduler code quite frequently and as a consequence
+ * doesn't implement any check.
+ *
+ * Return: An efficient performance state, high enough to meet @freq
+ * requirement.
+ */
+static inline
+struct em_perf_state *em_pd_get_efficient_state(struct em_perf_domain *pd,
+ unsigned long freq)
+{
+ struct em_perf_state *ps;
+ int i;
+
+ for (i = 0; i < pd->nr_perf_states; i++) {
+ ps = &pd->table[i];
+ if (ps->frequency >= freq) {
+ if (pd->flags & EM_PERF_DOMAIN_SKIP_INEFFICIENCIES &&
+ ps->flags & EM_PERF_STATE_INEFFICIENT)
+ continue;
+ break;
+ }
+ }
+
+ return ps;
+}
+
+/**
* em_cpu_energy() - Estimates the energy consumed by the CPUs of a
* performance domain
* @pd : performance domain for which energy has to be estimated
@@ -123,7 +177,7 @@ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd,
{
unsigned long freq, scale_cpu;
struct em_perf_state *ps;
- int i, cpu;
+ int cpu;
if (!sum_util)
return 0;
@@ -148,11 +202,7 @@ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd,
* Find the lowest performance state of the Energy Model above the
* requested frequency.
*/
- for (i = 0; i < pd->nr_perf_states; i++) {
- ps = &pd->table[i];
- if (ps->frequency >= freq)
- break;
- }
+ ps = em_pd_get_efficient_state(pd, freq);
/*
* The capacity of a CPU in the domain at the performance state (ps)
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 7efc0a7c14c9..182c606adb06 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -160,7 +160,10 @@ int walk_dynamic_memory_groups(int nid, walk_memory_groups_func_t func,
#define register_hotmemory_notifier(nb) register_memory_notifier(nb)
#define unregister_hotmemory_notifier(nb) unregister_memory_notifier(nb)
#else
-#define hotplug_memory_notifier(fn, pri) ({ 0; })
+static inline int hotplug_memory_notifier(notifier_fn_t fn, int pri)
+{
+ return 0;
+}
/* These aren't inline functions due to a GCC bug. */
#define register_hotmemory_notifier(nb) ({ (void)(nb); 0; })
#define unregister_hotmemory_notifier(nb) ({ (void)(nb); })
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index e23417424373..f17d2101af7a 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1138,7 +1138,6 @@ int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
-bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev);
bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index f16de399d2de..078225b514d4 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -84,6 +84,14 @@ extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
void acpi_pci_add_bus(struct pci_bus *bus);
void acpi_pci_remove_bus(struct pci_bus *bus);
+#ifdef CONFIG_PCI
+void pci_acpi_setup(struct device *dev, struct acpi_device *adev);
+void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev);
+#else
+static inline void pci_acpi_setup(struct device *dev, struct acpi_device *adev) {}
+static inline void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev) {}
+#endif
+
#ifdef CONFIG_ACPI_PCI_SLOT
void acpi_pci_slot_init(void);
void acpi_pci_slot_enumerate(struct pci_bus *bus);
diff --git a/include/linux/pm_wakeirq.h b/include/linux/pm_wakeirq.h
index cd5b62db9084..e63a63aa47a3 100644
--- a/include/linux/pm_wakeirq.h
+++ b/include/linux/pm_wakeirq.h
@@ -17,8 +17,8 @@
#ifdef CONFIG_PM
extern int dev_pm_set_wake_irq(struct device *dev, int irq);
-extern int dev_pm_set_dedicated_wake_irq(struct device *dev,
- int irq);
+extern int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq);
+extern int dev_pm_set_dedicated_wake_irq_reverse(struct device *dev, int irq);
extern void dev_pm_clear_wake_irq(struct device *dev);
extern void dev_pm_enable_wake_irq(struct device *dev);
extern void dev_pm_disable_wake_irq(struct device *dev);
@@ -35,6 +35,11 @@ static inline int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
return 0;
}
+static inline int dev_pm_set_dedicated_wake_irq_reverse(struct device *dev, int irq)
+{
+ return 0;
+}
+
static inline void dev_pm_clear_wake_irq(struct device *dev)
{
}
diff --git a/include/linux/secretmem.h b/include/linux/secretmem.h
index 21c3771e6a56..988528b5da43 100644
--- a/include/linux/secretmem.h
+++ b/include/linux/secretmem.h
@@ -23,7 +23,7 @@ static inline bool page_is_secretmem(struct page *page)
mapping = (struct address_space *)
((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);
- if (mapping != page->mapping)
+ if (!mapping || mapping != page->mapping)
return false;
return mapping->a_ops == &secretmem_aops;
diff --git a/include/linux/trace_recursion.h b/include/linux/trace_recursion.h
index a9f9c5714e65..fe95f0922526 100644
--- a/include/linux/trace_recursion.h
+++ b/include/linux/trace_recursion.h
@@ -16,23 +16,8 @@
* When function tracing occurs, the following steps are made:
* If arch does not support a ftrace feature:
* call internal function (uses INTERNAL bits) which calls...
- * If callback is registered to the "global" list, the list
- * function is called and recursion checks the GLOBAL bits.
- * then this function calls...
* The function callback, which can use the FTRACE bits to
* check for recursion.
- *
- * Now if the arch does not support a feature, and it calls
- * the global list function which calls the ftrace callback
- * all three of these steps will do a recursion protection.
- * There's no reason to do one if the previous caller already
- * did. The recursion that we are protecting against will
- * go through the same steps again.
- *
- * To prevent the multiple recursion checks, if a recursion
- * bit is set that is higher than the MAX bit of the current
- * check, then we know that the check was made by the previous
- * caller, and we can skip the current check.
*/
enum {
/* Function recursion bits */
@@ -40,12 +25,14 @@ enum {
TRACE_FTRACE_NMI_BIT,
TRACE_FTRACE_IRQ_BIT,
TRACE_FTRACE_SIRQ_BIT,
+ TRACE_FTRACE_TRANSITION_BIT,
- /* INTERNAL_BITs must be greater than FTRACE_BITs */
+ /* Internal use recursion bits */
TRACE_INTERNAL_BIT,
TRACE_INTERNAL_NMI_BIT,
TRACE_INTERNAL_IRQ_BIT,
TRACE_INTERNAL_SIRQ_BIT,
+ TRACE_INTERNAL_TRANSITION_BIT,
TRACE_BRANCH_BIT,
/*
@@ -86,12 +73,6 @@ enum {
*/
TRACE_GRAPH_NOTRACE_BIT,
- /*
- * When transitioning between context, the preempt_count() may
- * not be correct. Allow for a single recursion to cover this case.
- */
- TRACE_TRANSITION_BIT,
-
/* Used to prevent recursion recording from recursing. */
TRACE_RECORD_RECURSION_BIT,
};
@@ -113,12 +94,10 @@ enum {
#define TRACE_CONTEXT_BITS 4
#define TRACE_FTRACE_START TRACE_FTRACE_BIT
-#define TRACE_FTRACE_MAX ((1 << (TRACE_FTRACE_START + TRACE_CONTEXT_BITS)) - 1)
#define TRACE_LIST_START TRACE_INTERNAL_BIT
-#define TRACE_LIST_MAX ((1 << (TRACE_LIST_START + TRACE_CONTEXT_BITS)) - 1)
-#define TRACE_CONTEXT_MASK TRACE_LIST_MAX
+#define TRACE_CONTEXT_MASK ((1 << (TRACE_LIST_START + TRACE_CONTEXT_BITS)) - 1)
/*
* Used for setting context
@@ -132,6 +111,7 @@ enum {
TRACE_CTX_IRQ,
TRACE_CTX_SOFTIRQ,
TRACE_CTX_NORMAL,
+ TRACE_CTX_TRANSITION,
};
static __always_inline int trace_get_context_bit(void)
@@ -160,45 +140,34 @@ extern void ftrace_record_recursion(unsigned long ip, unsigned long parent_ip);
#endif
static __always_inline int trace_test_and_set_recursion(unsigned long ip, unsigned long pip,
- int start, int max)
+ int start)
{
unsigned int val = READ_ONCE(current->trace_recursion);
int bit;
- /* A previous recursion check was made */
- if ((val & TRACE_CONTEXT_MASK) > max)
- return 0;
-
bit = trace_get_context_bit() + start;
if (unlikely(val & (1 << bit))) {
/*
* It could be that preempt_count has not been updated during
* a switch between contexts. Allow for a single recursion.
*/
- bit = TRACE_TRANSITION_BIT;
+ bit = TRACE_CTX_TRANSITION + start;
if (val & (1 << bit)) {
do_ftrace_record_recursion(ip, pip);
return -1;
}
- } else {
- /* Normal check passed, clear the transition to allow it again */
- val &= ~(1 << TRACE_TRANSITION_BIT);
}
val |= 1 << bit;
current->trace_recursion = val;
barrier();
- return bit + 1;
+ return bit;
}
static __always_inline void trace_clear_recursion(int bit)
{
- if (!bit)
- return;
-
barrier();
- bit--;
trace_recursion_clear(bit);
}
@@ -214,7 +183,7 @@ static __always_inline void trace_clear_recursion(int bit)
static __always_inline int ftrace_test_recursion_trylock(unsigned long ip,
unsigned long parent_ip)
{
- return trace_test_and_set_recursion(ip, parent_ip, TRACE_FTRACE_START, TRACE_FTRACE_MAX);
+ return trace_test_and_set_recursion(ip, parent_ip, TRACE_FTRACE_START);
}
/**
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index eb70cabe6e7f..33a4240e6a6f 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -127,6 +127,8 @@ static inline long get_ucounts_value(struct ucounts *ucounts, enum ucount_type t
long inc_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v);
bool dec_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v);
+long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type);
+void dec_rlimit_put_ucounts(struct ucounts *ucounts, enum ucount_type type);
bool is_ucounts_overlimit(struct ucounts *ucounts, enum ucount_type type, unsigned long max);
static inline void set_rlimit_ucount_max(struct user_namespace *ns,
diff --git a/include/net/mctp.h b/include/net/mctp.h
index a824d47c3c6d..ffd2c23bd76d 100644
--- a/include/net/mctp.h
+++ b/include/net/mctp.h
@@ -54,7 +54,7 @@ struct mctp_sock {
struct sock sk;
/* bind() params */
- int bind_net;
+ unsigned int bind_net;
mctp_eid_t bind_addr;
__u8 bind_type;
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 2eb6d7c2c931..f37c7a558d6d 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -384,11 +384,11 @@ sctp_vtag_verify(const struct sctp_chunk *chunk,
* Verification Tag value does not match the receiver's own
* tag value, the receiver shall silently discard the packet...
*/
- if (ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag)
- return 1;
+ if (ntohl(chunk->sctp_hdr->vtag) != asoc->c.my_vtag)
+ return 0;
chunk->transport->encap_port = SCTP_INPUT_CB(chunk->skb)->encap_port;
- return 0;
+ return 1;
}
/* Check VTAG of the packet matches the sender's own tag and the T bit is
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 3166dc15d7d6..60c384569e9c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1576,6 +1576,7 @@ struct tcp_md5sig_key {
u8 keylen;
u8 family; /* AF_INET or AF_INET6 */
u8 prefixlen;
+ u8 flags;
union tcp_md5_addr addr;
int l3index; /* set if key added with L3 scope */
u8 key[TCP_MD5SIG_MAXKEYLEN];
@@ -1621,10 +1622,10 @@ struct tcp_md5sig_pool {
int tcp_v4_md5_hash_skb(char *md5_hash, const struct tcp_md5sig_key *key,
const struct sock *sk, const struct sk_buff *skb);
int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr,
- int family, u8 prefixlen, int l3index,
+ int family, u8 prefixlen, int l3index, u8 flags,
const u8 *newkey, u8 newkeylen, gfp_t gfp);
int tcp_md5_do_del(struct sock *sk, const union tcp_md5_addr *addr,
- int family, u8 prefixlen, int l3index);
+ int family, u8 prefixlen, int l3index, u8 flags);
struct tcp_md5sig_key *tcp_v4_md5_lookup(const struct sock *sk,
const struct sock *addr_sk);
diff --git a/include/uapi/linux/mctp.h b/include/uapi/linux/mctp.h
index 52b54d13f385..6acd4ccafbf7 100644
--- a/include/uapi/linux/mctp.h
+++ b/include/uapi/linux/mctp.h
@@ -10,6 +10,7 @@
#define __UAPI_MCTP_H
#include <linux/types.h>
+#include <linux/socket.h>
typedef __u8 mctp_eid_t;
@@ -18,11 +19,13 @@ struct mctp_addr {
};
struct sockaddr_mctp {
- unsigned short int smctp_family;
- int smctp_network;
+ __kernel_sa_family_t smctp_family;
+ __u16 __smctp_pad0;
+ unsigned int smctp_network;
struct mctp_addr smctp_addr;
__u8 smctp_type;
__u8 smctp_tag;
+ __u8 __smctp_pad1;
};
#define MCTP_NET_ANY 0x0