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-rw-r--r--include/linux/dcache.h2
-rw-r--r--include/linux/device.h20
-rw-r--r--include/linux/fs.h32
-rw-r--r--include/linux/irqchip/arm-gic-v3.h1
-rw-r--r--include/linux/irqdomain.h26
-rw-r--r--include/linux/mmc/core.h1
-rw-r--r--include/linux/msi.h3
-rw-r--r--include/linux/of_irq.h1
-rw-r--r--include/linux/pci.h4
-rw-r--r--include/linux/preempt.h5
-rw-r--r--include/linux/preempt_mask.h16
-rw-r--r--include/linux/sched.h6
-rw-r--r--include/linux/security.h2
-rw-r--r--include/linux/skbuff.h3
14 files changed, 92 insertions, 30 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index df334cbacc6d..167ec0934049 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -160,6 +160,7 @@ struct dentry_operations {
char *(*d_dname)(struct dentry *, char *, int);
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(struct dentry *, bool);
+ struct inode *(*d_select_inode)(struct dentry *, unsigned);
} ____cacheline_aligned;
/*
@@ -225,6 +226,7 @@ struct dentry_operations {
#define DCACHE_MAY_FREE 0x00800000
#define DCACHE_FALLTHRU 0x01000000 /* Fall through to lower layer */
+#define DCACHE_OP_SELECT_INODE 0x02000000 /* Unioned entry: dcache op selects inode */
extern seqlock_t rename_lock;
diff --git a/include/linux/device.h b/include/linux/device.h
index 6558af90c8fe..dda6d94ce986 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -683,6 +683,7 @@ struct device_dma_parameters {
* along with subsystem-level and driver-level callbacks.
* @pins: For device pin management.
* See Documentation/pinctrl.txt for details.
+ * @msi_domain: The generic MSI domain this device is using.
* @numa_node: NUMA node this device is close to.
* @dma_mask: Dma mask (if dma'ble device).
* @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all
@@ -743,6 +744,9 @@ struct device {
struct dev_pm_info power;
struct dev_pm_domain *pm_domain;
+#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
+ struct irq_domain *msi_domain;
+#endif
#ifdef CONFIG_PINCTRL
struct dev_pin_info *pins;
#endif
@@ -830,6 +834,22 @@ static inline void set_dev_node(struct device *dev, int node)
}
#endif
+static inline struct irq_domain *dev_get_msi_domain(const struct device *dev)
+{
+#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
+ return dev->msi_domain;
+#else
+ return NULL;
+#endif
+}
+
+static inline void dev_set_msi_domain(struct device *dev, struct irq_domain *d)
+{
+#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
+ dev->msi_domain = d;
+#endif
+}
+
static inline void *dev_get_drvdata(const struct device *dev)
{
return dev->driver_data;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 571aab91bfc0..fdc369fa69e8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1036,12 +1036,12 @@ extern void locks_remove_file(struct file *);
extern void locks_release_private(struct file_lock *);
extern void posix_test_lock(struct file *, struct file_lock *);
extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *);
-extern int posix_lock_file_wait(struct file *, struct file_lock *);
+extern int posix_lock_inode_wait(struct inode *, struct file_lock *);
extern int posix_unblock_lock(struct file_lock *);
extern int vfs_test_lock(struct file *, struct file_lock *);
extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *);
extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
-extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
+extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl);
extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type);
extern void lease_get_mtime(struct inode *, struct timespec *time);
extern int generic_setlease(struct file *, long, struct file_lock **, void **priv);
@@ -1127,7 +1127,8 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl,
return -ENOLCK;
}
-static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
+static inline int posix_lock_inode_wait(struct inode *inode,
+ struct file_lock *fl)
{
return -ENOLCK;
}
@@ -1153,8 +1154,8 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
return 0;
}
-static inline int flock_lock_file_wait(struct file *filp,
- struct file_lock *request)
+static inline int flock_lock_inode_wait(struct inode *inode,
+ struct file_lock *request)
{
return -ENOLCK;
}
@@ -1192,6 +1193,20 @@ static inline void show_fd_locks(struct seq_file *f,
struct file *filp, struct files_struct *files) {}
#endif /* !CONFIG_FILE_LOCKING */
+static inline struct inode *file_inode(const struct file *f)
+{
+ return f->f_inode;
+}
+
+static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
+{
+ return posix_lock_inode_wait(file_inode(filp), fl);
+}
+
+static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl)
+{
+ return flock_lock_inode_wait(file_inode(filp), fl);
+}
struct fasync_struct {
spinlock_t fa_lock;
@@ -1641,7 +1656,6 @@ struct inode_operations {
int (*set_acl)(struct inode *, struct posix_acl *, int);
/* WARNING: probably going away soon, do not use! */
- int (*dentry_open)(struct dentry *, struct file *, const struct cred *);
} ____cacheline_aligned;
ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
@@ -1992,11 +2006,6 @@ extern void ihold(struct inode * inode);
extern void iput(struct inode *);
extern int generic_update_time(struct inode *, struct timespec *, int);
-static inline struct inode *file_inode(const struct file *f)
-{
- return f->f_inode;
-}
-
/* /sys/fs */
extern struct kobject *fs_kobj;
@@ -2193,7 +2202,6 @@ extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
const char *, int);
-extern int vfs_open(const struct path *, struct file *, const struct cred *);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index ffbc034c8810..bf982e021fbd 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -360,6 +360,7 @@
#ifndef __ASSEMBLY__
#include <linux/stringify.h>
+#include <asm/msi.h>
/*
* We need a value to serve as a irq-type for LPIs. Choose one that will
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 676d7306a360..3c5ca459ac98 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -45,6 +45,20 @@ struct irq_data;
/* Number of irqs reserved for a legacy isa controller */
#define NUM_ISA_INTERRUPTS 16
+/*
+ * Should several domains have the same device node, but serve
+ * different purposes (for example one domain is for PCI/MSI, and the
+ * other for wired IRQs), they can be distinguished using a
+ * bus-specific token. Most domains are expected to only carry
+ * DOMAIN_BUS_ANY.
+ */
+enum irq_domain_bus_token {
+ DOMAIN_BUS_ANY = 0,
+ DOMAIN_BUS_PCI_MSI,
+ DOMAIN_BUS_PLATFORM_MSI,
+ DOMAIN_BUS_NEXUS,
+};
+
/**
* struct irq_domain_ops - Methods for irq_domain objects
* @match: Match an interrupt controller device node to a host, returns
@@ -61,7 +75,8 @@ struct irq_data;
* to setup the irq_desc when returning from map().
*/
struct irq_domain_ops {
- int (*match)(struct irq_domain *d, struct device_node *node);
+ int (*match)(struct irq_domain *d, struct device_node *node,
+ enum irq_domain_bus_token bus_token);
int (*map)(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw);
void (*unmap)(struct irq_domain *d, unsigned int virq);
int (*xlate)(struct irq_domain *d, struct device_node *node,
@@ -116,6 +131,7 @@ struct irq_domain {
/* Optional data */
struct device_node *of_node;
+ enum irq_domain_bus_token bus_token;
struct irq_domain_chip_generic *gc;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
struct irq_domain *parent;
@@ -161,9 +177,15 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
irq_hw_number_t first_hwirq,
const struct irq_domain_ops *ops,
void *host_data);
-extern struct irq_domain *irq_find_host(struct device_node *node);
+extern struct irq_domain *irq_find_matching_host(struct device_node *node,
+ enum irq_domain_bus_token bus_token);
extern void irq_set_default_host(struct irq_domain *host);
+static inline struct irq_domain *irq_find_host(struct device_node *node)
+{
+ return irq_find_matching_host(node, DOMAIN_BUS_ANY);
+}
+
/**
* irq_domain_add_linear() - Allocate and register a linear revmap irq_domain.
* @of_node: pointer to interrupt controller's device tree node.
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index de722d4e9d61..258daf914c6d 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -121,6 +121,7 @@ struct mmc_data {
struct mmc_request *mrq; /* associated request */
unsigned int sg_len; /* size of scatter list */
+ int sg_count; /* mapped sg entries */
struct scatterlist *sg; /* I/O scatter list */
s32 host_cookie; /* host private data */
};
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8ac4a68ffae2..692f217ae813 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -108,9 +108,6 @@ struct msi_controller {
struct device *dev;
struct device_node *of_node;
struct list_head list;
-#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
- struct irq_domain *domain;
-#endif
int (*setup_irq)(struct msi_controller *chip, struct pci_dev *dev,
struct msi_desc *desc);
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index d884929a7747..4bcbd586a672 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -74,6 +74,7 @@ static inline int of_irq_to_resource_table(struct device_node *dev,
*/
extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
extern struct device_node *of_irq_find_parent(struct device_node *child);
+extern void of_msi_configure(struct device *dev, struct device_node *np);
#else /* !CONFIG_OF */
static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6e935e5eab56..661b48ae34b4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1857,10 +1857,12 @@ int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off,
/* PCI <-> OF binding helpers */
#ifdef CONFIG_OF
struct device_node;
+struct irq_domain;
void pci_set_of_node(struct pci_dev *dev);
void pci_release_of_node(struct pci_dev *dev);
void pci_set_bus_of_node(struct pci_bus *bus);
void pci_release_bus_of_node(struct pci_bus *bus);
+struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
/* Arch may override this (weak) */
struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
@@ -1883,6 +1885,8 @@ static inline void pci_set_bus_of_node(struct pci_bus *bus) { }
static inline void pci_release_bus_of_node(struct pci_bus *bus) { }
static inline struct device_node *
pci_device_to_OF_node(const struct pci_dev *pdev) { return NULL; }
+static inline struct irq_domain *
+pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }
#endif /* CONFIG_OF */
#ifdef CONFIG_EEH
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index de83b4eb1642..8cd6725c5758 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -20,7 +20,8 @@
#if defined(CONFIG_DEBUG_PREEMPT) || defined(CONFIG_PREEMPT_TRACER)
extern void preempt_count_add(int val);
extern void preempt_count_sub(int val);
-#define preempt_count_dec_and_test() ({ preempt_count_sub(1); should_resched(); })
+#define preempt_count_dec_and_test() \
+ ({ preempt_count_sub(1); should_resched(0); })
#else
#define preempt_count_add(val) __preempt_count_add(val)
#define preempt_count_sub(val) __preempt_count_sub(val)
@@ -59,7 +60,7 @@ do { \
#define preempt_check_resched() \
do { \
- if (should_resched()) \
+ if (should_resched(0)) \
__preempt_schedule(); \
} while (0)
diff --git a/include/linux/preempt_mask.h b/include/linux/preempt_mask.h
index dbeec4d4a3be..5cb25f17331a 100644
--- a/include/linux/preempt_mask.h
+++ b/include/linux/preempt_mask.h
@@ -71,13 +71,21 @@
*/
#define in_nmi() (preempt_count() & NMI_MASK)
+/*
+ * The preempt_count offset after preempt_disable();
+ */
#if defined(CONFIG_PREEMPT_COUNT)
-# define PREEMPT_CHECK_OFFSET 1
+# define PREEMPT_DISABLE_OFFSET PREEMPT_OFFSET
#else
-# define PREEMPT_CHECK_OFFSET 0
+# define PREEMPT_DISABLE_OFFSET 0
#endif
/*
+ * The preempt_count offset after spin_lock()
+ */
+#define PREEMPT_LOCK_OFFSET PREEMPT_DISABLE_OFFSET
+
+/*
* The preempt_count offset needed for things like:
*
* spin_lock_bh()
@@ -90,7 +98,7 @@
*
* Work as expected.
*/
-#define SOFTIRQ_LOCK_OFFSET (SOFTIRQ_DISABLE_OFFSET + PREEMPT_CHECK_OFFSET)
+#define SOFTIRQ_LOCK_OFFSET (SOFTIRQ_DISABLE_OFFSET + PREEMPT_LOCK_OFFSET)
/*
* Are we running in atomic context? WARNING: this macro cannot
@@ -106,7 +114,7 @@
* (used by the scheduler, *after* releasing the kernel lock)
*/
#define in_atomic_preempt_off() \
- ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_CHECK_OFFSET)
+ ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_DISABLE_OFFSET)
#ifdef CONFIG_PREEMPT_COUNT
# define preemptible() (preempt_count() == 0 && !irqs_disabled())
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 26a2e6122734..61f4f2d5c882 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2834,12 +2834,6 @@ extern int _cond_resched(void);
extern int __cond_resched_lock(spinlock_t *lock);
-#ifdef CONFIG_PREEMPT_COUNT
-#define PREEMPT_LOCK_OFFSET PREEMPT_OFFSET
-#else
-#define PREEMPT_LOCK_OFFSET 0
-#endif
-
#define cond_resched_lock(lock) ({ \
___might_sleep(__FILE__, __LINE__, PREEMPT_LOCK_OFFSET);\
__cond_resched_lock(lock); \
diff --git a/include/linux/security.h b/include/linux/security.h
index 18264ea9e314..5d45b4fd91d2 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2527,7 +2527,7 @@ static inline int security_task_prctl(int option, unsigned long arg2,
unsigned long arg4,
unsigned long arg5)
{
- return cap_task_prctl(option, arg2, arg3, arg3, arg5);
+ return cap_task_prctl(option, arg2, arg3, arg4, arg5);
}
static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index eb1c55b8255a..4307e20a4a4a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2588,6 +2588,9 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb,
{
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0));
+ else if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb_checksum_start_offset(skb) < 0)
+ skb->ip_summed = CHECKSUM_NONE;
}
unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len);