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-rw-r--r--include/asm-generic/memory_model.h2
-rw-r--r--include/asm-generic/qspinlock.h4
-rw-r--r--include/kvm/arm_vgic.h6
-rw-r--r--include/linux/blkdev.h50
-rw-r--r--include/linux/ceph/ceph_features.h1
-rw-r--r--include/linux/ceph/messenger.h4
-rw-r--r--include/linux/clockchips.h29
-rw-r--r--include/linux/irq.h81
-rw-r--r--include/linux/irqdesc.h41
-rw-r--r--include/linux/irqhandler.h2
-rw-r--r--include/linux/jump_label.h10
-rw-r--r--include/linux/tick.h9
-rw-r--r--include/rdma/opa_port_info.h4
13 files changed, 137 insertions, 106 deletions
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index f20f407ce45d..4b4b056a6eb0 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -73,7 +73,7 @@
* Convert a physical address to a Page Frame Number and back
*/
#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
-#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
+#define __pfn_to_phys(pfn) PFN_PHYS(pfn)
#define page_to_pfn __page_to_pfn
#define pfn_to_page __pfn_to_page
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index 83bfb87f5bf1..e2aadbc7151f 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -111,8 +111,8 @@ static inline void queued_spin_unlock_wait(struct qspinlock *lock)
cpu_relax();
}
-#ifndef virt_queued_spin_lock
-static __always_inline bool virt_queued_spin_lock(struct qspinlock *lock)
+#ifndef virt_spin_lock
+static __always_inline bool virt_spin_lock(struct qspinlock *lock)
{
return false;
}
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index d901f1a47be6..4e14dac282bb 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -35,11 +35,7 @@
#define VGIC_V3_MAX_LRS 16
#define VGIC_MAX_IRQS 1024
#define VGIC_V2_MAX_CPUS 8
-
-/* Sanity checks... */
-#if (KVM_MAX_VCPUS > 255)
-#error Too many KVM VCPUs, the VGIC only supports up to 255 VCPUs for now
-#endif
+#define VGIC_V3_MAX_CPUS 255
#if (VGIC_NR_IRQS_LEGACY & 31)
#error "VGIC_NR_IRQS must be a multiple of 32"
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 38a5ff772a37..99da9ebc7377 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1368,6 +1368,26 @@ static inline bool bvec_gap_to_prev(struct request_queue *q,
((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
}
+static inline bool bio_will_gap(struct request_queue *q, struct bio *prev,
+ struct bio *next)
+{
+ if (!bio_has_data(prev))
+ return false;
+
+ return bvec_gap_to_prev(q, &prev->bi_io_vec[prev->bi_vcnt - 1],
+ next->bi_io_vec[0].bv_offset);
+}
+
+static inline bool req_gap_back_merge(struct request *req, struct bio *bio)
+{
+ return bio_will_gap(req->q, req->biotail, bio);
+}
+
+static inline bool req_gap_front_merge(struct request *req, struct bio *bio)
+{
+ return bio_will_gap(req->q, bio, req->bio);
+}
+
struct work_struct;
int kblockd_schedule_work(struct work_struct *work);
int kblockd_schedule_delayed_work(struct delayed_work *dwork, unsigned long delay);
@@ -1494,6 +1514,26 @@ queue_max_integrity_segments(struct request_queue *q)
return q->limits.max_integrity_segments;
}
+static inline bool integrity_req_gap_back_merge(struct request *req,
+ struct bio *next)
+{
+ struct bio_integrity_payload *bip = bio_integrity(req->bio);
+ struct bio_integrity_payload *bip_next = bio_integrity(next);
+
+ return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1],
+ bip_next->bip_vec[0].bv_offset);
+}
+
+static inline bool integrity_req_gap_front_merge(struct request *req,
+ struct bio *bio)
+{
+ struct bio_integrity_payload *bip = bio_integrity(bio);
+ struct bio_integrity_payload *bip_next = bio_integrity(req->bio);
+
+ return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1],
+ bip_next->bip_vec[0].bv_offset);
+}
+
#else /* CONFIG_BLK_DEV_INTEGRITY */
struct bio;
@@ -1560,6 +1600,16 @@ static inline bool blk_integrity_is_initialized(struct gendisk *g)
{
return 0;
}
+static inline bool integrity_req_gap_back_merge(struct request *req,
+ struct bio *next)
+{
+ return false;
+}
+static inline bool integrity_req_gap_front_merge(struct request *req,
+ struct bio *bio)
+{
+ return false;
+}
#endif /* CONFIG_BLK_DEV_INTEGRITY */
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index 4763ad64e832..f89b31d45cc8 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -107,6 +107,7 @@ static inline u64 ceph_sanitize_features(u64 features)
CEPH_FEATURE_OSDMAP_ENC | \
CEPH_FEATURE_CRUSH_TUNABLES3 | \
CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \
+ CEPH_FEATURE_MSGR_KEEPALIVE2 | \
CEPH_FEATURE_CRUSH_V4)
#define CEPH_FEATURES_REQUIRED_DEFAULT \
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 7e1252e97a30..b2371d9b51fa 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -238,6 +238,8 @@ struct ceph_connection {
bool out_kvec_is_msg; /* kvec refers to out_msg */
int out_more; /* there is more data after the kvecs */
__le64 out_temp_ack; /* for writing an ack */
+ struct ceph_timespec out_temp_keepalive2; /* for writing keepalive2
+ stamp */
/* message in temps */
struct ceph_msg_header in_hdr;
@@ -248,7 +250,7 @@ struct ceph_connection {
int in_base_pos; /* bytes read */
__le64 in_temp_ack; /* for reading an ack */
- struct timespec last_keepalive_ack;
+ struct timespec last_keepalive_ack; /* keepalive2 ack stamp */
struct delayed_work work; /* send|recv work */
unsigned long delay; /* current delay interval */
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 31ce435981fe..bdcf358dfce2 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -18,15 +18,6 @@
struct clock_event_device;
struct module;
-/* Clock event mode commands for legacy ->set_mode(): OBSOLETE */
-enum clock_event_mode {
- CLOCK_EVT_MODE_UNUSED,
- CLOCK_EVT_MODE_SHUTDOWN,
- CLOCK_EVT_MODE_PERIODIC,
- CLOCK_EVT_MODE_ONESHOT,
- CLOCK_EVT_MODE_RESUME,
-};
-
/*
* Possible states of a clock event device.
*
@@ -86,16 +77,14 @@ enum clock_event_state {
* @min_delta_ns: minimum delta value in ns
* @mult: nanosecond to cycles multiplier
* @shift: nanoseconds to cycles divisor (power of two)
- * @mode: operating mode, relevant only to ->set_mode(), OBSOLETE
* @state_use_accessors:current state of the device, assigned by the core code
* @features: features
* @retries: number of forced programming retries
- * @set_mode: legacy set mode function, only for modes <= CLOCK_EVT_MODE_RESUME.
- * @set_state_periodic: switch state to periodic, if !set_mode
- * @set_state_oneshot: switch state to oneshot, if !set_mode
- * @set_state_oneshot_stopped: switch state to oneshot_stopped, if !set_mode
- * @set_state_shutdown: switch state to shutdown, if !set_mode
- * @tick_resume: resume clkevt device, if !set_mode
+ * @set_state_periodic: switch state to periodic
+ * @set_state_oneshot: switch state to oneshot
+ * @set_state_oneshot_stopped: switch state to oneshot_stopped
+ * @set_state_shutdown: switch state to shutdown
+ * @tick_resume: resume clkevt device
* @broadcast: function to broadcast events
* @min_delta_ticks: minimum delta value in ticks stored for reconfiguration
* @max_delta_ticks: maximum delta value in ticks stored for reconfiguration
@@ -116,18 +105,10 @@ struct clock_event_device {
u64 min_delta_ns;
u32 mult;
u32 shift;
- enum clock_event_mode mode;
enum clock_event_state state_use_accessors;
unsigned int features;
unsigned long retries;
- /*
- * State transition callback(s): Only one of the two groups should be
- * defined:
- * - set_mode(), only for modes <= CLOCK_EVT_MODE_RESUME.
- * - set_state_{shutdown|periodic|oneshot|oneshot_stopped}(), tick_resume().
- */
- void (*set_mode)(enum clock_event_mode mode, struct clock_event_device *);
int (*set_state_periodic)(struct clock_event_device *);
int (*set_state_oneshot)(struct clock_event_device *);
int (*set_state_oneshot_stopped)(struct clock_event_device *);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 6f8b34066442..11bf09288ddb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -110,8 +110,8 @@ enum {
/*
* Return value for chip->irq_set_affinity()
*
- * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity
- * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity
+ * IRQ_SET_MASK_OK - OK, core updates irq_common_data.affinity
+ * IRQ_SET_MASK_NOCPY - OK, chip did update irq_common_data.affinity
* IRQ_SET_MASK_OK_DONE - Same as IRQ_SET_MASK_OK for core. Special code to
* support stacked irqchips, which indicates skipping
* all descendent irqchips.
@@ -129,9 +129,19 @@ struct irq_domain;
* struct irq_common_data - per irq data shared by all irqchips
* @state_use_accessors: status information for irq chip functions.
* Use accessor functions to deal with it
+ * @node: node index useful for balancing
+ * @handler_data: per-IRQ data for the irq_chip methods
+ * @affinity: IRQ affinity on SMP
+ * @msi_desc: MSI descriptor
*/
struct irq_common_data {
unsigned int state_use_accessors;
+#ifdef CONFIG_NUMA
+ unsigned int node;
+#endif
+ void *handler_data;
+ struct msi_desc *msi_desc;
+ cpumask_var_t affinity;
};
/**
@@ -139,38 +149,26 @@ struct irq_common_data {
* @mask: precomputed bitmask for accessing the chip registers
* @irq: interrupt number
* @hwirq: hardware interrupt number, local to the interrupt domain
- * @node: node index useful for balancing
* @common: point to data shared by all irqchips
* @chip: low level interrupt hardware access
* @domain: Interrupt translation domain; responsible for mapping
* between hwirq number and linux irq number.
* @parent_data: pointer to parent struct irq_data to support hierarchy
* irq_domain
- * @handler_data: per-IRQ data for the irq_chip methods
* @chip_data: platform-specific per-chip private data for the chip
* methods, to allow shared chip implementations
- * @msi_desc: MSI descriptor
- * @affinity: IRQ affinity on SMP
- *
- * The fields here need to overlay the ones in irq_desc until we
- * cleaned up the direct references and switched everything over to
- * irq_data.
*/
struct irq_data {
u32 mask;
unsigned int irq;
unsigned long hwirq;
- unsigned int node;
struct irq_common_data *common;
struct irq_chip *chip;
struct irq_domain *domain;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
struct irq_data *parent_data;
#endif
- void *handler_data;
void *chip_data;
- struct msi_desc *msi_desc;
- cpumask_var_t affinity;
};
/*
@@ -190,6 +188,7 @@ struct irq_data {
* IRQD_IRQ_MASKED - Masked state of the interrupt
* IRQD_IRQ_INPROGRESS - In progress state of the interrupt
* IRQD_WAKEUP_ARMED - Wakeup mode armed
+ * IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU
*/
enum {
IRQD_TRIGGER_MASK = 0xf,
@@ -204,6 +203,7 @@ enum {
IRQD_IRQ_MASKED = (1 << 17),
IRQD_IRQ_INPROGRESS = (1 << 18),
IRQD_WAKEUP_ARMED = (1 << 19),
+ IRQD_FORWARDED_TO_VCPU = (1 << 20),
};
#define __irqd_to_state(d) ((d)->common->state_use_accessors)
@@ -282,6 +282,20 @@ static inline bool irqd_is_wakeup_armed(struct irq_data *d)
return __irqd_to_state(d) & IRQD_WAKEUP_ARMED;
}
+static inline bool irqd_is_forwarded_to_vcpu(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_set_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU;
+}
/*
* Functions for chained handlers which can be enabled/disabled by the
@@ -461,14 +475,14 @@ static inline int irq_set_parent(int irq, int parent_irq)
* Built-in IRQ handlers for various IRQ types,
* callable via desc->handle_irq()
*/
-extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_level_irq(struct irq_desc *desc);
+extern void handle_fasteoi_irq(struct irq_desc *desc);
+extern void handle_edge_irq(struct irq_desc *desc);
+extern void handle_edge_eoi_irq(struct irq_desc *desc);
+extern void handle_simple_irq(struct irq_desc *desc);
+extern void handle_percpu_irq(struct irq_desc *desc);
+extern void handle_percpu_devid_irq(struct irq_desc *desc);
+extern void handle_bad_irq(struct irq_desc *desc);
extern void handle_nested_irq(unsigned int irq);
extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
@@ -627,23 +641,23 @@ static inline void *irq_data_get_irq_chip_data(struct irq_data *d)
static inline void *irq_get_handler_data(unsigned int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->handler_data : NULL;
+ return d ? d->common->handler_data : NULL;
}
static inline void *irq_data_get_irq_handler_data(struct irq_data *d)
{
- return d->handler_data;
+ return d->common->handler_data;
}
static inline struct msi_desc *irq_get_msi_desc(unsigned int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->msi_desc : NULL;
+ return d ? d->common->msi_desc : NULL;
}
static inline struct msi_desc *irq_data_get_msi_desc(struct irq_data *d)
{
- return d->msi_desc;
+ return d->common->msi_desc;
}
static inline u32 irq_get_trigger_type(unsigned int irq)
@@ -652,21 +666,30 @@ static inline u32 irq_get_trigger_type(unsigned int irq)
return d ? irqd_get_trigger_type(d) : 0;
}
-static inline int irq_data_get_node(struct irq_data *d)
+static inline int irq_common_data_get_node(struct irq_common_data *d)
{
+#ifdef CONFIG_NUMA
return d->node;
+#else
+ return 0;
+#endif
+}
+
+static inline int irq_data_get_node(struct irq_data *d)
+{
+ return irq_common_data_get_node(d->common);
}
static inline struct cpumask *irq_get_affinity_mask(int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->affinity : NULL;
+ return d ? d->common->affinity : NULL;
}
static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
{
- return d->affinity;
+ return d->common->affinity;
}
unsigned int arch_dynirq_lower_bound(unsigned int from);
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 5acfa26602e1..a587a33363c7 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -98,11 +98,7 @@ extern struct irq_desc irq_desc[NR_IRQS];
static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
{
-#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
- return irq_to_desc(data->irq);
-#else
- return container_of(data, struct irq_desc, irq_data);
-#endif
+ return container_of(data->common, struct irq_desc, irq_common_data);
}
static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)
@@ -127,23 +123,21 @@ static inline void *irq_desc_get_chip_data(struct irq_desc *desc)
static inline void *irq_desc_get_handler_data(struct irq_desc *desc)
{
- return desc->irq_data.handler_data;
+ return desc->irq_common_data.handler_data;
}
static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc)
{
- return desc->irq_data.msi_desc;
+ return desc->irq_common_data.msi_desc;
}
/*
* Architectures call this to let the generic IRQ layer
- * handle an interrupt. If the descriptor is attached to an
- * irqchip-style controller then we call the ->handle_irq() handler,
- * and it calls __do_IRQ() if it's attached to an irqtype-style controller.
+ * handle an interrupt.
*/
-static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc)
+static inline void generic_handle_irq_desc(struct irq_desc *desc)
{
- desc->handle_irq(irq, desc);
+ desc->handle_irq(desc);
}
int generic_handle_irq(unsigned int irq);
@@ -176,29 +170,6 @@ static inline int irq_has_action(unsigned int irq)
return irq_desc_has_action(irq_to_desc(irq));
}
-/* caller has locked the irq_desc and both params are valid */
-static inline void __irq_set_handler_locked(unsigned int irq,
- irq_flow_handler_t handler)
-{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- desc->handle_irq = handler;
-}
-
-/* caller has locked the irq_desc and both params are valid */
-static inline void
-__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
- irq_flow_handler_t handler, const char *name)
-{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- irq_desc_get_irq_data(desc)->chip = chip;
- desc->handle_irq = handler;
- desc->name = name;
-}
-
/**
* irq_set_handler_locked - Set irq handler from a locked region
* @data: Pointer to the irq_data structure which identifies the irq
diff --git a/include/linux/irqhandler.h b/include/linux/irqhandler.h
index 62d543004197..661bed0ed1f3 100644
--- a/include/linux/irqhandler.h
+++ b/include/linux/irqhandler.h
@@ -8,7 +8,7 @@
struct irq_desc;
struct irq_data;
-typedef void (*irq_flow_handler_t)(unsigned int irq, struct irq_desc *desc);
+typedef void (*irq_flow_handler_t)(struct irq_desc *desc);
typedef void (*irq_preflow_handler_t)(struct irq_data *data);
#endif
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 7f653e8f6690..f1094238ab2a 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -21,8 +21,8 @@
*
* DEFINE_STATIC_KEY_TRUE(key);
* DEFINE_STATIC_KEY_FALSE(key);
- * static_key_likely()
- * statick_key_unlikely()
+ * static_branch_likely()
+ * static_branch_unlikely()
*
* Jump labels provide an interface to generate dynamic branches using
* self-modifying code. Assuming toolchain and architecture support, if we
@@ -45,12 +45,10 @@
* statement, setting the key to true requires us to patch in a jump
* to the out-of-line of true branch.
*
- * In addtion to static_branch_{enable,disable}, we can also reference count
+ * In addition to static_branch_{enable,disable}, we can also reference count
* the key or branch direction via static_branch_{inc,dec}. Thus,
* static_branch_inc() can be thought of as a 'make more true' and
- * static_branch_dec() as a 'make more false'. The inc()/dec()
- * interface is meant to be used exclusively from the inc()/dec() for a given
- * key.
+ * static_branch_dec() as a 'make more false'.
*
* Since this relies on modifying code, the branch modifying functions
* must be considered absolute slow paths (machine wide synchronization etc.).
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 48d901f83f92..e312219ff823 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -147,11 +147,20 @@ static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask)
cpumask_or(mask, mask, tick_nohz_full_mask);
}
+static inline int housekeeping_any_cpu(void)
+{
+ return cpumask_any_and(housekeeping_mask, cpu_online_mask);
+}
+
extern void tick_nohz_full_kick(void);
extern void tick_nohz_full_kick_cpu(int cpu);
extern void tick_nohz_full_kick_all(void);
extern void __tick_nohz_task_switch(void);
#else
+static inline int housekeeping_any_cpu(void)
+{
+ return smp_processor_id();
+}
static inline bool tick_nohz_full_enabled(void) { return false; }
static inline bool tick_nohz_full_cpu(int cpu) { return false; }
static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask) { }
diff --git a/include/rdma/opa_port_info.h b/include/rdma/opa_port_info.h
index 391dae1931c0..a0fa975cd1c1 100644
--- a/include/rdma/opa_port_info.h
+++ b/include/rdma/opa_port_info.h
@@ -294,8 +294,8 @@ struct opa_port_states {
struct opa_port_state_info {
struct opa_port_states port_states;
- u16 link_width_downgrade_tx_active;
- u16 link_width_downgrade_rx_active;
+ __be16 link_width_downgrade_tx_active;
+ __be16 link_width_downgrade_rx_active;
};
struct opa_port_info {