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-rw-r--r--include/linux/cgroup-defs.h1
-rw-r--r--include/linux/cgroup.h20
-rw-r--r--include/linux/compiler-clang.h8
-rw-r--r--include/linux/dma-iommu.h1
-rw-r--r--include/linux/elevator.h2
-rw-r--r--include/linux/irqchip/arm-gic-v3.h4
-rw-r--r--include/linux/irqchip/arm-gic.h28
-rw-r--r--include/linux/key.h1
-rw-r--r--include/linux/mlx4/qp.h1
-rw-r--r--include/linux/quotaops.h6
-rw-r--r--include/linux/srcu.h2
-rw-r--r--include/linux/suspend.h7
-rw-r--r--include/media/cec-notifier.h2
-rw-r--r--include/media/cec.h4
-rw-r--r--include/net/ipv6.h1
-rw-r--r--include/net/tcp.h2
-rw-r--r--include/uapi/linux/keyctl.h4
17 files changed, 76 insertions, 18 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 21745946cae1..ec47101cb1bf 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -48,6 +48,7 @@ enum {
CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */
CSS_RELEASED = (1 << 2), /* refcnt reached zero, released */
CSS_VISIBLE = (1 << 3), /* css is visible to userland */
+ CSS_DYING = (1 << 4), /* css is dying */
};
/* bits in struct cgroup flags field */
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ed2573e149fa..710a005c6b7a 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -344,6 +344,26 @@ static inline bool css_tryget_online(struct cgroup_subsys_state *css)
}
/**
+ * css_is_dying - test whether the specified css is dying
+ * @css: target css
+ *
+ * Test whether @css is in the process of offlining or already offline. In
+ * most cases, ->css_online() and ->css_offline() callbacks should be
+ * enough; however, the actual offline operations are RCU delayed and this
+ * test returns %true also when @css is scheduled to be offlined.
+ *
+ * This is useful, for example, when the use case requires synchronous
+ * behavior with respect to cgroup removal. cgroup removal schedules css
+ * offlining but the css can seem alive while the operation is being
+ * delayed. If the delay affects user visible semantics, this test can be
+ * used to resolve the situation.
+ */
+static inline bool css_is_dying(struct cgroup_subsys_state *css)
+{
+ return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt);
+}
+
+/**
* css_put - put a css reference
* @css: target css
*
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index de179993e039..d614c5ea1b5e 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -15,3 +15,11 @@
* with any version that can compile the kernel
*/
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+/*
+ * GCC does not warn about unused static inline functions for
+ * -Wunused-function. This turns out to avoid the need for complex #ifdef
+ * directives. Suppress the warning in clang as well.
+ */
+#undef inline
+#define inline inline __attribute__((unused)) notrace
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 4eac2670bfa1..92f20832fd28 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -78,6 +78,7 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
struct iommu_domain;
struct msi_msg;
+struct device;
static inline int iommu_dma_init(void)
{
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 9ec5e22846e0..0e306c5a86d6 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -153,7 +153,7 @@ struct elevator_type
#endif
/* managed by elevator core */
- char icq_cache_name[ELV_NAME_MAX + 5]; /* elvname + "_io_cq" */
+ char icq_cache_name[ELV_NAME_MAX + 6]; /* elvname + "_io_cq" */
struct list_head list;
};
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index fffb91202bc9..1fa293a37f4a 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -417,6 +417,10 @@
#define ICH_HCR_EN (1 << 0)
#define ICH_HCR_UIE (1 << 1)
+#define ICH_VMCR_ACK_CTL_SHIFT 2
+#define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT)
+#define ICH_VMCR_FIQ_EN_SHIFT 3
+#define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT)
#define ICH_VMCR_CBPR_SHIFT 4
#define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT)
#define ICH_VMCR_EOIM_SHIFT 9
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index dc30f3d057eb..d3453ee072fc 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -25,7 +25,18 @@
#define GICC_ENABLE 0x1
#define GICC_INT_PRI_THRESHOLD 0xf0
-#define GIC_CPU_CTRL_EOImodeNS (1 << 9)
+#define GIC_CPU_CTRL_EnableGrp0_SHIFT 0
+#define GIC_CPU_CTRL_EnableGrp0 (1 << GIC_CPU_CTRL_EnableGrp0_SHIFT)
+#define GIC_CPU_CTRL_EnableGrp1_SHIFT 1
+#define GIC_CPU_CTRL_EnableGrp1 (1 << GIC_CPU_CTRL_EnableGrp1_SHIFT)
+#define GIC_CPU_CTRL_AckCtl_SHIFT 2
+#define GIC_CPU_CTRL_AckCtl (1 << GIC_CPU_CTRL_AckCtl_SHIFT)
+#define GIC_CPU_CTRL_FIQEn_SHIFT 3
+#define GIC_CPU_CTRL_FIQEn (1 << GIC_CPU_CTRL_FIQEn_SHIFT)
+#define GIC_CPU_CTRL_CBPR_SHIFT 4
+#define GIC_CPU_CTRL_CBPR (1 << GIC_CPU_CTRL_CBPR_SHIFT)
+#define GIC_CPU_CTRL_EOImodeNS_SHIFT 9
+#define GIC_CPU_CTRL_EOImodeNS (1 << GIC_CPU_CTRL_EOImodeNS_SHIFT)
#define GICC_IAR_INT_ID_MASK 0x3ff
#define GICC_INT_SPURIOUS 1023
@@ -84,8 +95,19 @@
#define GICH_LR_EOI (1 << 19)
#define GICH_LR_HW (1 << 31)
-#define GICH_VMCR_CTRL_SHIFT 0
-#define GICH_VMCR_CTRL_MASK (0x21f << GICH_VMCR_CTRL_SHIFT)
+#define GICH_VMCR_ENABLE_GRP0_SHIFT 0
+#define GICH_VMCR_ENABLE_GRP0_MASK (1 << GICH_VMCR_ENABLE_GRP0_SHIFT)
+#define GICH_VMCR_ENABLE_GRP1_SHIFT 1
+#define GICH_VMCR_ENABLE_GRP1_MASK (1 << GICH_VMCR_ENABLE_GRP1_SHIFT)
+#define GICH_VMCR_ACK_CTL_SHIFT 2
+#define GICH_VMCR_ACK_CTL_MASK (1 << GICH_VMCR_ACK_CTL_SHIFT)
+#define GICH_VMCR_FIQ_EN_SHIFT 3
+#define GICH_VMCR_FIQ_EN_MASK (1 << GICH_VMCR_FIQ_EN_SHIFT)
+#define GICH_VMCR_CBPR_SHIFT 4
+#define GICH_VMCR_CBPR_MASK (1 << GICH_VMCR_CBPR_SHIFT)
+#define GICH_VMCR_EOI_MODE_SHIFT 9
+#define GICH_VMCR_EOI_MODE_MASK (1 << GICH_VMCR_EOI_MODE_SHIFT)
+
#define GICH_VMCR_PRIMASK_SHIFT 27
#define GICH_VMCR_PRIMASK_MASK (0x1f << GICH_VMCR_PRIMASK_SHIFT)
#define GICH_VMCR_BINPOINT_SHIFT 21
diff --git a/include/linux/key.h b/include/linux/key.h
index 0c9b93b0d1f7..78e25aabedaf 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -173,7 +173,6 @@ struct key {
#ifdef KEY_DEBUGGING
unsigned magic;
#define KEY_DEBUG_MAGIC 0x18273645u
-#define KEY_DEBUG_MAGIC_X 0xf8e9dacbu
#endif
unsigned long flags; /* status flags (change with bitops) */
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index b4ee8f62ce8d..8e2828d48d7f 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -470,6 +470,7 @@ struct mlx4_update_qp_params {
u16 rate_val;
};
+struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn);
int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
enum mlx4_update_qp_attr attr,
struct mlx4_update_qp_params *params);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 9c6f768b7d32..dda22f45fc1b 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -44,6 +44,7 @@ void inode_sub_rsv_space(struct inode *inode, qsize_t number);
void inode_reclaim_rsv_space(struct inode *inode, qsize_t number);
int dquot_initialize(struct inode *inode);
+bool dquot_initialize_needed(struct inode *inode);
void dquot_drop(struct inode *inode);
struct dquot *dqget(struct super_block *sb, struct kqid qid);
static inline struct dquot *dqgrab(struct dquot *dquot)
@@ -207,6 +208,11 @@ static inline int dquot_initialize(struct inode *inode)
return 0;
}
+static inline bool dquot_initialize_needed(struct inode *inode)
+{
+ return false;
+}
+
static inline void dquot_drop(struct inode *inode)
{
}
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 167ad8831aaf..4c1d5f7e62c4 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -172,9 +172,7 @@ static inline int srcu_read_lock(struct srcu_struct *sp) __acquires(sp)
{
int retval;
- preempt_disable();
retval = __srcu_read_lock(sp);
- preempt_enable();
rcu_lock_acquire(&(sp)->dep_map);
return retval;
}
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 0b1cf32edfd7..d9718378a8be 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -189,8 +189,6 @@ struct platform_suspend_ops {
struct platform_freeze_ops {
int (*begin)(void);
int (*prepare)(void);
- void (*wake)(void);
- void (*sync)(void);
void (*restore)(void);
void (*end)(void);
};
@@ -430,8 +428,7 @@ extern unsigned int pm_wakeup_irq;
extern bool pm_wakeup_pending(void);
extern void pm_system_wakeup(void);
-extern void pm_system_cancel_wakeup(void);
-extern void pm_wakeup_clear(bool reset);
+extern void pm_wakeup_clear(void);
extern void pm_system_irq_wakeup(unsigned int irq_number);
extern bool pm_get_wakeup_count(unsigned int *count, bool block);
extern bool pm_save_wakeup_count(unsigned int count);
@@ -481,7 +478,7 @@ static inline int unregister_pm_notifier(struct notifier_block *nb)
static inline bool pm_wakeup_pending(void) { return false; }
static inline void pm_system_wakeup(void) {}
-static inline void pm_wakeup_clear(bool reset) {}
+static inline void pm_wakeup_clear(void) {}
static inline void pm_system_irq_wakeup(unsigned int irq_number) {}
static inline void lock_system_sleep(void) {}
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index eb50ce54b759..413335c8cb52 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -29,7 +29,7 @@ struct edid;
struct cec_adapter;
struct cec_notifier;
-#ifdef CONFIG_MEDIA_CEC_NOTIFIER
+#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER)
/**
* cec_notifier_get - find or create a new cec_notifier for the given device.
diff --git a/include/media/cec.h b/include/media/cec.h
index b8eb895731d5..bfa88d4d67e1 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -173,7 +173,7 @@ struct cec_adapter {
bool passthrough;
struct cec_log_addrs log_addrs;
-#ifdef CONFIG_MEDIA_CEC_NOTIFIER
+#ifdef CONFIG_CEC_NOTIFIER
struct cec_notifier *notifier;
#endif
@@ -300,7 +300,7 @@ u16 cec_phys_addr_for_input(u16 phys_addr, u8 input);
*/
int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port);
-#ifdef CONFIG_MEDIA_CEC_NOTIFIER
+#ifdef CONFIG_CEC_NOTIFIER
void cec_register_cec_notifier(struct cec_adapter *adap,
struct cec_notifier *notifier);
#endif
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index dbf0abba33b8..3e505bbff8ca 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1007,6 +1007,7 @@ int inet6_hash_connect(struct inet_timewait_death_row *death_row,
*/
extern const struct proto_ops inet6_stream_ops;
extern const struct proto_ops inet6_dgram_ops;
+extern const struct proto_ops inet6_sockraw_ops;
struct group_source_req;
struct group_filter;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 38a7427ae902..be6223c586fa 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -924,7 +924,7 @@ struct tcp_congestion_ops {
void (*cwnd_event)(struct sock *sk, enum tcp_ca_event ev);
/* call when ack arrives (optional) */
void (*in_ack_event)(struct sock *sk, u32 flags);
- /* new value of cwnd after loss (optional) */
+ /* new value of cwnd after loss (required) */
u32 (*undo_cwnd)(struct sock *sk);
/* hook for packet ack accounting (optional) */
void (*pkts_acked)(struct sock *sk, const struct ack_sample *sample);
diff --git a/include/uapi/linux/keyctl.h b/include/uapi/linux/keyctl.h
index 201c6644b237..ef16df06642a 100644
--- a/include/uapi/linux/keyctl.h
+++ b/include/uapi/linux/keyctl.h
@@ -70,8 +70,8 @@ struct keyctl_dh_params {
};
struct keyctl_kdf_params {
- char *hashname;
- char *otherinfo;
+ char __user *hashname;
+ char __user *otherinfo;
__u32 otherinfolen;
__u32 __spare[8];
};