diff options
Diffstat (limited to 'include')
46 files changed, 485 insertions, 257 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c602c7718421..ddabed1f51c2 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -169,7 +169,8 @@ struct acpi_device_flags { u32 ejectable:1; u32 power_manageable:1; u32 match_driver:1; - u32 reserved:27; + u32 no_hotplug:1; + u32 reserved:26; }; /* File System */ @@ -344,6 +345,7 @@ extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); void acpi_bus_private_data_handler(acpi_handle, void *); int acpi_bus_get_private_data(acpi_handle, void **); +void acpi_bus_no_hotplug(acpi_handle handle); extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); extern int register_acpi_notifier(struct notifier_block *); extern int unregister_acpi_notifier(struct notifier_block *); diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h index 639d7a4d033b..6f692f8ac664 100644 --- a/include/asm-generic/barrier.h +++ b/include/asm-generic/barrier.h @@ -1,4 +1,5 @@ -/* Generic barrier definitions, based on MN10300 definitions. +/* + * Generic barrier definitions, originally based on MN10300 definitions. * * It should be possible to use these on really simple architectures, * but it serves more as a starting point for new ports. @@ -16,35 +17,65 @@ #ifndef __ASSEMBLY__ -#define nop() asm volatile ("nop") +#include <linux/compiler.h> + +#ifndef nop +#define nop() asm volatile ("nop") +#endif /* - * Force strict CPU ordering. - * And yes, this is required on UP too when we're talking - * to devices. + * Force strict CPU ordering. And yes, this is required on UP too when we're + * talking to devices. * - * This implementation only contains a compiler barrier. + * Fall back to compiler barriers if nothing better is provided. */ -#define mb() asm volatile ("": : :"memory") +#ifndef mb +#define mb() barrier() +#endif + +#ifndef rmb #define rmb() mb() -#define wmb() asm volatile ("": : :"memory") +#endif + +#ifndef wmb +#define wmb() mb() +#endif + +#ifndef read_barrier_depends +#define read_barrier_depends() do { } while (0) +#endif #ifdef CONFIG_SMP #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() #else #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#endif + +#ifndef set_mb +#define set_mb(var, value) do { (var) = (value); mb(); } while (0) #endif -#define set_mb(var, value) do { var = value; mb(); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) -#define read_barrier_depends() do {} while (0) -#define smp_read_barrier_depends() do {} while (0) +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ___p1; \ +}) #endif /* !__ASSEMBLY__ */ #endif /* __ASM_GENERIC_BARRIER_H */ diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index f330d28e4d0e..db0923458940 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -217,7 +217,7 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) #endif #ifndef pte_accessible -# define pte_accessible(pte) ((void)(pte),1) +# define pte_accessible(mm, pte) ((void)(pte), 1) #endif #ifndef flush_tlb_fix_spurious_fault @@ -599,11 +599,10 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd) #ifdef CONFIG_TRANSPARENT_HUGEPAGE barrier(); #endif - if (pmd_none(pmdval)) + if (pmd_none(pmdval) || pmd_trans_huge(pmdval)) return 1; if (unlikely(pmd_bad(pmdval))) { - if (!pmd_trans_huge(pmdval)) - pmd_clear_bad(pmd); + pmd_clear_bad(pmd); return 1; } return 0; diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 87578c109e48..49376aec2fbb 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -600,7 +600,7 @@ {0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ - {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ + {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index 669fef5c745a..3e0fbe441763 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -3,6 +3,6 @@ #include <uapi/linux/auxvec.h> -#define AT_VECTOR_SIZE_BASE 19 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ #endif /* _LINUX_AUXVEC_H */ diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 92669cd182a6..fe7a686dfd8d 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -298,6 +298,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) #endif +/* Is this type a native word size -- useful for atomic operations */ +#ifndef __native_word +# define __native_word(t) (sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) +#endif + /* Compile time object size, -1 for unknown */ #ifndef __compiletime_object_size # define __compiletime_object_size(obj) -1 @@ -337,6 +342,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); #define compiletime_assert(condition, msg) \ _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) +#define compiletime_assert_atomic_type(t) \ + compiletime_assert(__native_word(t), \ + "Need native word sized stores/loads for atomicity.") + /* * Prevent the compiler from merging or refetching accesses. The compiler * is also forbidden from reordering successive instances of ACCESS_ONCE(), diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index fe68a5a98583..7032518f8542 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -6,6 +6,8 @@ #include <linux/proc_fs.h> #include <linux/elf.h> +#include <asm/pgtable.h> /* for pgprot_t */ + #define ELFCORE_ADDR_MAX (-1ULL) #define ELFCORE_ADDR_ERR (-2ULL) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index eff50e062be8..d9c8dbd3373f 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -445,7 +445,7 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data) static inline struct i2c_adapter * i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter) { -#if IS_ENABLED(I2C_MUX) +#if IS_ENABLED(CONFIG_I2C_MUX) struct device *parent = adapter->dev.parent; if (parent != NULL && parent->type == &i2c_adapter_type) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index ecb87544cc5d..2aa3d4b000e6 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -394,6 +394,15 @@ extern int panic_on_oops; extern int panic_on_unrecovered_nmi; extern int panic_on_io_nmi; extern int sysctl_panic_on_stackoverflow; +/* + * Only to be used by arch init code. If the user over-wrote the default + * CONFIG_PANIC_TIMEOUT, honor it. + */ +static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) +{ + if (panic_timeout == arch_default_timeout) + panic_timeout = timeout; +} extern const char *print_tainted(void); enum lockdep_ok { LOCKDEP_STILL_OK, diff --git a/include/linux/libata.h b/include/linux/libata.h index 0e23c26485f4..9b503376738f 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -418,6 +418,7 @@ enum { ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */ ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17), /* Set max sects to 65535 */ ATA_HORKAGE_ATAPI_DMADIR = (1 << 18), /* device requires dmadir */ + ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/lockref.h b/include/linux/lockref.h index c8929c3832db..4bfde0e99ed5 100644 --- a/include/linux/lockref.h +++ b/include/linux/lockref.h @@ -19,7 +19,7 @@ #define USE_CMPXCHG_LOCKREF \ (IS_ENABLED(CONFIG_ARCH_USE_CMPXCHG_LOCKREF) && \ - IS_ENABLED(CONFIG_SMP) && !BLOATED_SPINLOCKS) + IS_ENABLED(CONFIG_SMP) && SPINLOCK_SIZE <= 4) struct lockref { union { diff --git a/include/linux/migrate.h b/include/linux/migrate.h index f5096b58b20d..f015c059e159 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -55,7 +55,8 @@ extern int migrate_huge_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page); extern int migrate_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page, - struct buffer_head *head, enum migrate_mode mode); + struct buffer_head *head, enum migrate_mode mode, + int extra_count); #else static inline void putback_lru_pages(struct list_head *l) {} @@ -90,10 +91,19 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping, #endif /* CONFIG_MIGRATION */ #ifdef CONFIG_NUMA_BALANCING +extern bool pmd_trans_migrating(pmd_t pmd); +extern void wait_migrate_huge_page(struct anon_vma *anon_vma, pmd_t *pmd); extern int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node); extern bool migrate_ratelimited(int node); #else +static inline bool pmd_trans_migrating(pmd_t pmd) +{ + return false; +} +static inline void wait_migrate_huge_page(struct anon_vma *anon_vma, pmd_t *pmd) +{ +} static inline int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node) { diff --git a/include/linux/mm.h b/include/linux/mm.h index 1cedd000cf29..35527173cf50 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1317,7 +1317,7 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ #if USE_SPLIT_PTE_PTLOCKS -#if BLOATED_SPINLOCKS +#if ALLOC_SPLIT_PTLOCKS extern bool ptlock_alloc(struct page *page); extern void ptlock_free(struct page *page); @@ -1325,7 +1325,7 @@ static inline spinlock_t *ptlock_ptr(struct page *page) { return page->ptl; } -#else /* BLOATED_SPINLOCKS */ +#else /* ALLOC_SPLIT_PTLOCKS */ static inline bool ptlock_alloc(struct page *page) { return true; @@ -1339,7 +1339,7 @@ static inline spinlock_t *ptlock_ptr(struct page *page) { return &page->ptl; } -#endif /* BLOATED_SPINLOCKS */ +#endif /* ALLOC_SPLIT_PTLOCKS */ static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) { diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index bd299418a934..290901a8c1de 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -26,6 +26,7 @@ struct address_space; #define USE_SPLIT_PTE_PTLOCKS (NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS) #define USE_SPLIT_PMD_PTLOCKS (USE_SPLIT_PTE_PTLOCKS && \ IS_ENABLED(CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK)) +#define ALLOC_SPLIT_PTLOCKS (SPINLOCK_SIZE > BITS_PER_LONG/8) /* * Each physical page in the system has a struct page associated with @@ -155,7 +156,7 @@ struct page { * system if PG_buddy is set. */ #if USE_SPLIT_PTE_PTLOCKS -#if BLOATED_SPINLOCKS +#if ALLOC_SPLIT_PTLOCKS spinlock_t *ptl; #else spinlock_t ptl; @@ -443,6 +444,14 @@ struct mm_struct { /* numa_scan_seq prevents two threads setting pte_numa */ int numa_scan_seq; #endif +#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) + /* + * An operation with batched TLB flushing is going on. Anything that + * can move process memory needs to flush the TLB when moving a + * PROT_NONE or PROT_NUMA mapped page. + */ + bool tlb_flush_pending; +#endif struct uprobes_state uprobes_state; }; @@ -459,4 +468,45 @@ static inline cpumask_t *mm_cpumask(struct mm_struct *mm) return mm->cpu_vm_mask_var; } +#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) +/* + * Memory barriers to keep this state in sync are graciously provided by + * the page table locks, outside of which no page table modifications happen. + * The barriers below prevent the compiler from re-ordering the instructions + * around the memory barriers that are already present in the code. + */ +static inline bool mm_tlb_flush_pending(struct mm_struct *mm) +{ + barrier(); + return mm->tlb_flush_pending; +} +static inline void set_tlb_flush_pending(struct mm_struct *mm) +{ + mm->tlb_flush_pending = true; + + /* + * Guarantee that the tlb_flush_pending store does not leak into the + * critical section updating the page tables + */ + smp_mb__before_spinlock(); +} +/* Clearing is done after a TLB flush, which also provides a barrier. */ +static inline void clear_tlb_flush_pending(struct mm_struct *mm) +{ + barrier(); + mm->tlb_flush_pending = false; +} +#else +static inline bool mm_tlb_flush_pending(struct mm_struct *mm) +{ + return false; +} +static inline void set_tlb_flush_pending(struct mm_struct *mm) +{ +} +static inline void clear_tlb_flush_pending(struct mm_struct *mm) +{ +} +#endif + #endif /* _LINUX_MM_TYPES_H */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d9a550bf3e8e..ce2a1f5f9a1e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -769,7 +769,8 @@ struct netdev_phys_port_id { * (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX) * Required can not be NULL. * - * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb); + * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb, + * void *accel_priv); * Called to decide which queue to when device supports multiple * transmit queues. * @@ -990,7 +991,8 @@ struct net_device_ops { netdev_tx_t (*ndo_start_xmit) (struct sk_buff *skb, struct net_device *dev); u16 (*ndo_select_queue)(struct net_device *dev, - struct sk_buff *skb); + struct sk_buff *skb, + void *accel_priv); void (*ndo_change_rx_flags)(struct net_device *dev, int flags); void (*ndo_set_rx_mode)(struct net_device *dev); @@ -1529,7 +1531,8 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev, } struct netdev_queue *netdev_pick_tx(struct net_device *dev, - struct sk_buff *skb); + struct sk_buff *skb, + void *accel_priv); u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb); /* @@ -1819,6 +1822,7 @@ int dev_close(struct net_device *dev); void dev_disable_lro(struct net_device *dev); int dev_loopback_xmit(struct sk_buff *newskb); int dev_queue_xmit(struct sk_buff *skb); +int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv); int register_netdevice(struct net_device *dev); void unregister_netdevice_queue(struct net_device *dev, struct list_head *head); void unregister_netdevice_many(struct list_head *head); @@ -1912,6 +1916,15 @@ static inline int dev_parse_header(const struct sk_buff *skb, return dev->header_ops->parse(skb, haddr); } +static inline int dev_rebuild_header(struct sk_buff *skb) +{ + const struct net_device *dev = skb->dev; + + if (!dev->header_ops || !dev->header_ops->rebuild) + return 0; + return dev->header_ops->rebuild(skb); +} + typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len); int register_gifconf(unsigned int family, gifconf_func_t *gifconf); static inline int unregister_gifconf(unsigned int family) @@ -2417,7 +2430,7 @@ int dev_change_carrier(struct net_device *, bool new_carrier); int dev_get_phys_port_id(struct net_device *dev, struct netdev_phys_port_id *ppid); int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, - struct netdev_queue *txq, void *accel_priv); + struct netdev_queue *txq); int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); extern int netdev_budget; @@ -3008,6 +3021,19 @@ static inline void netif_set_gso_max_size(struct net_device *dev, dev->gso_max_size = size; } +static inline void skb_gso_error_unwind(struct sk_buff *skb, __be16 protocol, + int pulled_hlen, u16 mac_offset, + int mac_len) +{ + skb->protocol = protocol; + skb->encapsulation = 1; + skb_push(skb, pulled_hlen); + skb_reset_transport_header(skb); + skb->mac_header = mac_offset; + skb->network_header = skb->mac_header + mac_len; + skb->mac_len = mac_len; +} + static inline bool netif_is_macvlan(struct net_device *dev) { return dev->priv_flags & IFF_MACVLAN; diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index 57e890abe1f0..a5fc7d01aad6 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -69,6 +69,7 @@ __PCPU_DUMMY_ATTRS char __pcpu_scope_##name; \ extern __PCPU_DUMMY_ATTRS char __pcpu_unique_##name; \ __PCPU_DUMMY_ATTRS char __pcpu_unique_##name; \ + extern __PCPU_ATTRS(sec) __typeof__(type) name; \ __PCPU_ATTRS(sec) PER_CPU_DEF_ATTRIBUTES __weak \ __typeof__(type) name #else diff --git a/include/linux/platform_data/hwmon-s3c.h b/include/linux/platform_data/hwmon-s3c.h index c167e4429bc7..0e3cce130fe2 100644 --- a/include/linux/platform_data/hwmon-s3c.h +++ b/include/linux/platform_data/hwmon-s3c.h @@ -1,5 +1,4 @@ -/* linux/arch/arm/plat-s3c/include/plat/hwmon.h - * +/* * Copyright 2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * http://armlinux.simtec.co.uk/ @@ -11,8 +10,8 @@ * published by the Free Software Foundation. */ -#ifndef __ASM_ARCH_ADC_HWMON_H -#define __ASM_ARCH_ADC_HWMON_H __FILE__ +#ifndef __HWMON_S3C_H__ +#define __HWMON_S3C_H__ /** * s3c_hwmon_chcfg - channel configuration @@ -47,5 +46,4 @@ struct s3c_hwmon_pdata { */ extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd); -#endif /* __ASM_ARCH_ADC_HWMON_H */ - +#endif /* __HWMON_S3C_H__ */ diff --git a/include/linux/platform_data/max197.h b/include/linux/platform_data/max197.h index e2a41dd7690c..8da8f94ee15c 100644 --- a/include/linux/platform_data/max197.h +++ b/include/linux/platform_data/max197.h @@ -11,6 +11,9 @@ * For further information, see the Documentation/hwmon/max197 file. */ +#ifndef _PDATA_MAX197_H +#define _PDATA_MAX197_H + /** * struct max197_platform_data - MAX197 connectivity info * @convert: Function used to start a conversion with control byte ctrl. @@ -19,3 +22,5 @@ struct max197_platform_data { int (*convert)(u8 ctrl); }; + +#endif /* _PDATA_MAX197_H */ diff --git a/include/linux/platform_data/sht15.h b/include/linux/platform_data/sht15.h index 33e0fd27225e..12289c1e9413 100644 --- a/include/linux/platform_data/sht15.h +++ b/include/linux/platform_data/sht15.h @@ -12,6 +12,9 @@ * For further information, see the Documentation/hwmon/sht15 file. */ +#ifndef _PDATA_SHT15_H +#define _PDATA_SHT15_H + /** * struct sht15_platform_data - sht15 connectivity info * @gpio_data: no. of gpio to which bidirectional data line is @@ -31,3 +34,5 @@ struct sht15_platform_data { bool no_otp_reload; bool low_resolution; }; + +#endif /* _PDATA_SHT15_H */ diff --git a/include/linux/pstore.h b/include/linux/pstore.h index abd437d0a8a7..ece0c6bbfcc5 100644 --- a/include/linux/pstore.h +++ b/include/linux/pstore.h @@ -51,6 +51,7 @@ struct pstore_info { char *buf; size_t bufsize; struct mutex read_mutex; /* serialize open/read/close */ + int flags; int (*open)(struct pstore_info *psi); int (*close)(struct pstore_info *psi); ssize_t (*read)(u64 *id, enum pstore_type_id *type, @@ -70,6 +71,8 @@ struct pstore_info { void *data; }; +#define PSTORE_FLAGS_FRAGILE 1 + #ifdef CONFIG_PSTORE extern int pstore_register(struct pstore_info *); extern bool pstore_cannot_block_path(enum kmsg_dump_reason reason); diff --git a/include/linux/rculist.h b/include/linux/rculist.h index 45a0a9e81478..dbaf99084112 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h @@ -55,8 +55,8 @@ static inline void __list_add_rcu(struct list_head *new, next->prev = new; } #else -extern void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next); +void __list_add_rcu(struct list_head *new, + struct list_head *prev, struct list_head *next); #endif /** diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 39cbb889e20d..3e355c688618 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -50,13 +50,13 @@ extern int rcutorture_runnable; /* for sysctl */ #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) -extern void rcutorture_record_test_transition(void); -extern void rcutorture_record_progress(unsigned long vernum); -extern void do_trace_rcu_torture_read(const char *rcutorturename, - struct rcu_head *rhp, - unsigned long secs, - unsigned long c_old, - unsigned long c); +void rcutorture_record_test_transition(void); +void rcutorture_record_progress(unsigned long vernum); +void do_trace_rcu_torture_read(const char *rcutorturename, + struct rcu_head *rhp, + unsigned long secs, + unsigned long c_old, + unsigned long c); #else static inline void rcutorture_record_test_transition(void) { @@ -65,11 +65,11 @@ static inline void rcutorture_record_progress(unsigned long vernum) { } #ifdef CONFIG_RCU_TRACE -extern void do_trace_rcu_torture_read(const char *rcutorturename, - struct rcu_head *rhp, - unsigned long secs, - unsigned long c_old, - unsigned long c); +void do_trace_rcu_torture_read(const char *rcutorturename, + struct rcu_head *rhp, + unsigned long secs, + unsigned long c_old, + unsigned long c); #else #define do_trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ do { } while (0) @@ -118,8 +118,8 @@ extern void do_trace_rcu_torture_read(const char *rcutorturename, * if CPU A and CPU B are the same CPU (but again only if the system has * more than one CPU). */ -extern void call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *head)); +void call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)); #else /* #ifdef CONFIG_PREEMPT_RCU */ @@ -149,8 +149,8 @@ extern void call_rcu(struct rcu_head *head, * See the description of call_rcu() for more detailed information on * memory ordering guarantees. */ -extern void call_rcu_bh(struct rcu_head *head, - void (*func)(struct rcu_head *head)); +void call_rcu_bh(struct rcu_head *head, + void (*func)(struct rcu_head *head)); /** * call_rcu_sched() - Queue an RCU for invocation after sched grace period. @@ -171,16 +171,16 @@ extern void call_rcu_bh(struct rcu_head *head, * See the description of call_rcu() for more detailed information on * memory ordering guarantees. */ -extern void call_rcu_sched(struct rcu_head *head, - void (*func)(struct rcu_head *rcu)); +void call_rcu_sched(struct rcu_head *head, + void (*func)(struct rcu_head *rcu)); -extern void synchronize_sched(void); +void synchronize_sched(void); #ifdef CONFIG_PREEMPT_RCU -extern void __rcu_read_lock(void); -extern void __rcu_read_unlock(void); -extern void rcu_read_unlock_special(struct task_struct *t); +void __rcu_read_lock(void); +void __rcu_read_unlock(void); +void rcu_read_unlock_special(struct task_struct *t); void synchronize_rcu(void); /* @@ -216,19 +216,19 @@ static inline int rcu_preempt_depth(void) #endif /* #else #ifdef CONFIG_PREEMPT_RCU */ /* Internal to kernel */ -extern void rcu_init(void); -extern void rcu_sched_qs(int cpu); -extern void rcu_bh_qs(int cpu); -extern void rcu_check_callbacks(int cpu, int user); +void rcu_init(void); +void rcu_sched_qs(int cpu); +void rcu_bh_qs(int cpu); +void rcu_check_callbacks(int cpu, int user); struct notifier_block; -extern void rcu_idle_enter(void); -extern void rcu_idle_exit(void); -extern void rcu_irq_enter(void); -extern void rcu_irq_exit(void); +void rcu_idle_enter(void); +void rcu_idle_exit(void); +void rcu_irq_enter(void); +void rcu_irq_exit(void); #ifdef CONFIG_RCU_USER_QS -extern void rcu_user_enter(void); -extern void rcu_user_exit(void); +void rcu_user_enter(void); +void rcu_user_exit(void); #else static inline void rcu_user_enter(void) { } static inline void rcu_user_exit(void) { } @@ -262,7 +262,7 @@ static inline void rcu_user_hooks_switch(struct task_struct *prev, } while (0) #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) || defined(CONFIG_SMP) -extern bool __rcu_is_watching(void); +bool __rcu_is_watching(void); #endif /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) || defined(CONFIG_SMP) */ /* @@ -289,8 +289,8 @@ void wait_rcu_gp(call_rcu_func_t crf); * initialization. */ #ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD -extern void init_rcu_head_on_stack(struct rcu_head *head); -extern void destroy_rcu_head_on_stack(struct rcu_head *head); +void init_rcu_head_on_stack(struct rcu_head *head); +void destroy_rcu_head_on_stack(struct rcu_head *head); #else /* !CONFIG_DEBUG_OBJECTS_RCU_HEAD */ static inline void init_rcu_head_on_stack(struct rcu_head *head) { @@ -325,6 +325,7 @@ static inline void rcu_lock_release(struct lockdep_map *map) extern struct lockdep_map rcu_lock_map; extern struct lockdep_map rcu_bh_lock_map; extern struct lockdep_map rcu_sched_lock_map; +extern struct lockdep_map rcu_callback_map; extern int debug_lockdep_rcu_enabled(void); /** @@ -362,7 +363,7 @@ static inline int rcu_read_lock_held(void) * rcu_read_lock_bh_held() is defined out of line to avoid #include-file * hell. */ -extern int rcu_read_lock_bh_held(void); +int rcu_read_lock_bh_held(void); /** * rcu_read_lock_sched_held() - might we be in RCU-sched read-side critical section? @@ -448,7 +449,7 @@ static inline int rcu_read_lock_sched_held(void) #ifdef CONFIG_PROVE_RCU -extern int rcu_my_thread_group_empty(void); +int rcu_my_thread_group_empty(void); /** * rcu_lockdep_assert - emit lockdep splat if specified condition not met @@ -548,10 +549,48 @@ static inline void rcu_preempt_sleep_check(void) smp_read_barrier_depends(); \ (_________p1); \ }) -#define __rcu_assign_pointer(p, v, space) \ + +/** + * RCU_INITIALIZER() - statically initialize an RCU-protected global variable + * @v: The value to statically initialize with. + */ +#define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) + +/** + * rcu_assign_pointer() - assign to RCU-protected pointer + * @p: pointer to assign to + * @v: value to assign (publish) + * + * Assigns the specified value to the specified RCU-protected + * pointer, ensuring that any concurrent RCU readers will see + * any prior initialization. + * + * Inserts memory barriers on architectures that require them + * (which is most of them), and also prevents the compiler from + * reordering the code that initializes the structure after the pointer + * assignment. More importantly, this call documents which pointers + * will be dereferenced by RCU read-side code. + * + * In some special cases, you may use RCU_INIT_POINTER() instead + * of rcu_assign_pointer(). RCU_INIT_POINTER() is a bit faster due + * to the fact that it does not constrain either the CPU or the compiler. + * That said, using RCU_INIT_POINTER() when you should have used + * rcu_assign_pointer() is a very bad thing that results in + * impossible-to-diagnose memory corruption. So please be careful. + * See the RCU_INIT_POINTER() comment header for details. + * + * Note that rcu_assign_pointer() evaluates each of its arguments only + * once, appearances notwithstanding. One of the "extra" evaluations + * is in typeof() and the other visible only to sparse (__CHECKER__), + * neither of which actually execute the argument. As with most cpp + * macros, this execute-arguments-only-once property is important, so + * please be careful when making changes to rcu_assign_pointer() and the + * other macros that it invokes. + */ +#define rcu_assign_pointer(p, v) \ do { \ smp_wmb(); \ - (p) = (typeof(*v) __force space *)(v); \ + ACCESS_ONCE(p) = RCU_INITIALIZER(v); \ } while (0) @@ -890,32 +929,6 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) } /** - * rcu_assign_pointer() - assign to RCU-protected pointer - * @p: pointer to assign to - * @v: value to assign (publish) - * - * Assigns the specified value to the specified RCU-protected - * pointer, ensuring that any concurrent RCU readers will see - * any prior initialization. - * - * Inserts memory barriers on architectures that require them - * (which is most of them), and also prevents the compiler from - * reordering the code that initializes the structure after the pointer - * assignment. More importantly, this call documents which pointers - * will be dereferenced by RCU read-side code. - * - * In some special cases, you may use RCU_INIT_POINTER() instead - * of rcu_assign_pointer(). RCU_INIT_POINTER() is a bit faster due - * to the fact that it does not constrain either the CPU or the compiler. - * That said, using RCU_INIT_POINTER() when you should have used - * rcu_assign_pointer() is a very bad thing that results in - * impossible-to-diagnose memory corruption. So please be careful. - * See the RCU_INIT_POINTER() comment header for details. - */ -#define rcu_assign_pointer(p, v) \ - __rcu_assign_pointer((p), (v), __rcu) - -/** * RCU_INIT_POINTER() - initialize an RCU protected pointer * * Initialize an RCU-protected pointer in special cases where readers @@ -949,7 +962,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) */ #define RCU_INIT_POINTER(p, v) \ do { \ - p = (typeof(*v) __force __rcu *)(v); \ + p = RCU_INITIALIZER(v); \ } while (0) /** @@ -958,7 +971,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) * GCC-style initialization for an RCU-protected pointer in a structure field. */ #define RCU_POINTER_INITIALIZER(p, v) \ - .p = (typeof(*v) __force __rcu *)(v) + .p = RCU_INITIALIZER(v) /* * Does the specified offset indicate that the corresponding rcu_head @@ -1005,7 +1018,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) __kfree_rcu(&((ptr)->rcu_head), offsetof(typeof(*(ptr)), rcu_head)) #ifdef CONFIG_RCU_NOCB_CPU -extern bool rcu_is_nocb_cpu(int cpu); +bool rcu_is_nocb_cpu(int cpu); #else static inline bool rcu_is_nocb_cpu(int cpu) { return false; } #endif /* #else #ifdef CONFIG_RCU_NOCB_CPU */ @@ -1013,8 +1026,8 @@ static inline bool rcu_is_nocb_cpu(int cpu) { return false; } /* Only for use by adaptive-ticks code. */ #ifdef CONFIG_NO_HZ_FULL_SYSIDLE -extern bool rcu_sys_is_idle(void); -extern void rcu_sysidle_force_exit(void); +bool rcu_sys_is_idle(void); +void rcu_sysidle_force_exit(void); #else /* #ifdef CONFIG_NO_HZ_FULL_SYSIDLE */ static inline bool rcu_sys_is_idle(void) diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 09ebcbe9fd78..6f01771b571c 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -125,7 +125,7 @@ static inline void exit_rcu(void) #ifdef CONFIG_DEBUG_LOCK_ALLOC extern int rcu_scheduler_active __read_mostly; -extern void rcu_scheduler_starting(void); +void rcu_scheduler_starting(void); #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ static inline void rcu_scheduler_starting(void) { diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 4b9c81548742..72137ee8c603 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -30,9 +30,9 @@ #ifndef __LINUX_RCUTREE_H #define __LINUX_RCUTREE_H -extern void rcu_note_context_switch(int cpu); -extern int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies); -extern void rcu_cpu_stall_reset(void); +void rcu_note_context_switch(int cpu); +int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies); +void rcu_cpu_stall_reset(void); /* * Note a virtualization-based context switch. This is simply a @@ -44,9 +44,9 @@ static inline void rcu_virt_note_context_switch(int cpu) rcu_note_context_switch(cpu); } -extern void synchronize_rcu_bh(void); -extern void synchronize_sched_expedited(void); -extern void synchronize_rcu_expedited(void); +void synchronize_rcu_bh(void); +void synchronize_sched_expedited(void); +void synchronize_rcu_expedited(void); void kfree_call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu)); @@ -71,25 +71,25 @@ static inline void synchronize_rcu_bh_expedited(void) synchronize_sched_expedited(); } -extern void rcu_barrier(void); -extern void rcu_barrier_bh(void); -extern void rcu_barrier_sched(void); +void rcu_barrier(void); +void rcu_barrier_bh(void); +void rcu_barrier_sched(void); extern unsigned long rcutorture_testseq; extern unsigned long rcutorture_vernum; -extern long rcu_batches_completed(void); -extern long rcu_batches_completed_bh(void); -extern long rcu_batches_completed_sched(void); +long rcu_batches_completed(void); +long rcu_batches_completed_bh(void); +long rcu_batches_completed_sched(void); -extern void rcu_force_quiescent_state(void); -extern void rcu_bh_force_quiescent_state(void); -extern void rcu_sched_force_quiescent_state(void); +void rcu_force_quiescent_state(void); +void rcu_bh_force_quiescent_state(void); +void rcu_sched_force_quiescent_state(void); -extern void exit_rcu(void); +void exit_rcu(void); -extern void rcu_scheduler_starting(void); +void rcu_scheduler_starting(void); extern int rcu_scheduler_active __read_mostly; -extern bool rcu_is_watching(void); +bool rcu_is_watching(void); #endif /* __LINUX_RCUTREE_H */ diff --git a/include/linux/reboot.h b/include/linux/reboot.h index 8e00f9f6f963..9e7db9e73cc1 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -43,6 +43,7 @@ extern int unregister_reboot_notifier(struct notifier_block *); * Architecture-specific implementations of sys_reboot commands. */ +extern void migrate_to_reboot_cpu(void); extern void machine_restart(char *cmd); extern void machine_halt(void); extern void machine_power_off(void); diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 939428ad25ac..8e3e66ac0a52 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -24,6 +24,11 @@ extern int rtnl_trylock(void); extern int rtnl_is_locked(void); #ifdef CONFIG_PROVE_LOCKING extern int lockdep_rtnl_is_held(void); +#else +static inline int lockdep_rtnl_is_held(void) +{ + return 1; +} #endif /* #ifdef CONFIG_PROVE_LOCKING */ /** diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index cf87a24c0f92..535f158977b9 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -117,15 +117,15 @@ repeat: } /** - * read_seqcount_begin_no_lockdep - start seq-read critical section w/o lockdep + * raw_read_seqcount_begin - start seq-read critical section w/o lockdep * @s: pointer to seqcount_t * Returns: count to be passed to read_seqcount_retry * - * read_seqcount_begin_no_lockdep opens a read critical section of the given + * raw_read_seqcount_begin opens a read critical section of the given * seqcount, but without any lockdep checking. Validity of the critical * section is tested by checking read_seqcount_retry function. */ -static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) +static inline unsigned raw_read_seqcount_begin(const seqcount_t *s) { unsigned ret = __read_seqcount_begin(s); smp_rmb(); @@ -144,7 +144,7 @@ static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) static inline unsigned read_seqcount_begin(const seqcount_t *s) { seqcount_lockdep_reader_access(s); - return read_seqcount_begin_no_lockdep(s); + return raw_read_seqcount_begin(s); } /** @@ -206,14 +206,26 @@ static inline int read_seqcount_retry(const seqcount_t *s, unsigned start) } + +static inline void raw_write_seqcount_begin(seqcount_t *s) +{ + s->sequence++; + smp_wmb(); +} + +static inline void raw_write_seqcount_end(seqcount_t *s) +{ + smp_wmb(); + s->sequence++; +} + /* * Sequence counter only version assumes that callers are using their * own mutexing. */ static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass) { - s->sequence++; - smp_wmb(); + raw_write_seqcount_begin(s); seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_); } @@ -225,8 +237,7 @@ static inline void write_seqcount_begin(seqcount_t *s) static inline void write_seqcount_end(seqcount_t *s) { seqcount_release(&s->dep_map, 1, _RET_IP_); - smp_wmb(); - s->sequence++; + raw_write_seqcount_end(s); } /** diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 215b5ea1cb30..6f69b3f914fb 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1638,6 +1638,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset) skb->mac_header += offset; } +static inline void skb_pop_mac_header(struct sk_buff *skb) +{ + skb->mac_header = skb->network_header; +} + static inline void skb_probe_transport_header(struct sk_buff *skb, const int offset_hint) { @@ -2526,6 +2531,10 @@ static inline void sw_tx_timestamp(struct sk_buff *skb) * Ethernet MAC Drivers should call this function in their hard_xmit() * function immediately before giving the sk_buff to the MAC hardware. * + * Specifically, one should make absolutely sure that this function is + * called before TX completion of this packet can trigger. Otherwise + * the packet could potentially already be freed. + * * @skb: A socket buffer. */ static inline void skb_tx_timestamp(struct sk_buff *skb) diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 75f34949d9ab..3f2867ff0ced 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -130,6 +130,16 @@ do { \ #define smp_mb__before_spinlock() smp_wmb() #endif +/* + * Place this after a lock-acquisition primitive to guarantee that + * an UNLOCK+LOCK pair act as a full barrier. This guarantee applies + * if the UNLOCK and LOCK are executed by the same CPU or if the + * UNLOCK and LOCK operate on the same lock variable. + */ +#ifndef smp_mb__after_unlock_lock +#define smp_mb__after_unlock_lock() do { } while (0) +#endif + /** * raw_spin_unlock_wait - wait until the spinlock gets unlocked * @lock: the spinlock in question. diff --git a/include/linux/zorro.h b/include/linux/zorro.h index dff42025649b..63fbba0740c2 100644 --- a/include/linux/zorro.h +++ b/include/linux/zorro.h @@ -11,107 +11,10 @@ #ifndef _LINUX_ZORRO_H #define _LINUX_ZORRO_H -#include <linux/device.h> - - - /* - * Each Zorro board has a 32-bit ID of the form - * - * mmmmmmmmmmmmmmmmppppppppeeeeeeee - * - * with - * - * mmmmmmmmmmmmmmmm 16-bit Manufacturer ID (assigned by CBM (sigh)) - * pppppppp 8-bit Product ID (assigned by manufacturer) - * eeeeeeee 8-bit Extended Product ID (currently only used - * for some GVP boards) - */ - - -#define ZORRO_MANUF(id) ((id) >> 16) -#define ZORRO_PROD(id) (((id) >> 8) & 0xff) -#define ZORRO_EPC(id) ((id) & 0xff) - -#define ZORRO_ID(manuf, prod, epc) \ - ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc)) - -typedef __u32 zorro_id; - - -/* Include the ID list */ -#include <linux/zorro_ids.h> - - /* - * GVP identifies most of its products through the 'extended product code' - * (epc). The epc has to be ANDed with the GVP_PRODMASK before the - * identification. - */ - -#define GVP_PRODMASK (0xf8) -#define GVP_SCSICLKMASK (0x01) - -enum GVP_flags { - GVP_IO = 0x01, - GVP_ACCEL = 0x02, - GVP_SCSI = 0x04, - GVP_24BITDMA = 0x08, - GVP_25BITDMA = 0x10, - GVP_NOBANK = 0x20, - GVP_14MHZ = 0x40, -}; - - -struct Node { - struct Node *ln_Succ; /* Pointer to next (successor) */ - struct Node *ln_Pred; /* Pointer to previous (predecessor) */ - __u8 ln_Type; - __s8 ln_Pri; /* Priority, for sorting */ - __s8 *ln_Name; /* ID string, null terminated */ -} __attribute__ ((packed)); - -struct ExpansionRom { - /* -First 16 bytes of the expansion ROM */ - __u8 er_Type; /* Board type, size and flags */ - __u8 er_Product; /* Product number, assigned by manufacturer */ - __u8 er_Flags; /* Flags */ - __u8 er_Reserved03; /* Must be zero ($ff inverted) */ - __u16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */ - __u32 er_SerialNumber; /* Available for use by manufacturer */ - __u16 er_InitDiagVec; /* Offset to optional "DiagArea" structure */ - __u8 er_Reserved0c; - __u8 er_Reserved0d; - __u8 er_Reserved0e; - __u8 er_Reserved0f; -} __attribute__ ((packed)); - -/* er_Type board type bits */ -#define ERT_TYPEMASK 0xc0 -#define ERT_ZORROII 0xc0 -#define ERT_ZORROIII 0x80 - -/* other bits defined in er_Type */ -#define ERTB_MEMLIST 5 /* Link RAM into free memory list */ -#define ERTF_MEMLIST (1<<5) - -struct ConfigDev { - struct Node cd_Node; - __u8 cd_Flags; /* (read/write) */ - __u8 cd_Pad; /* reserved */ - struct ExpansionRom cd_Rom; /* copy of board's expansion ROM */ - void *cd_BoardAddr; /* where in memory the board was placed */ - __u32 cd_BoardSize; /* size of board in bytes */ - __u16 cd_SlotAddr; /* which slot number (PRIVATE) */ - __u16 cd_SlotSize; /* number of slots (PRIVATE) */ - void *cd_Driver; /* pointer to node of driver */ - struct ConfigDev *cd_NextCD; /* linked list of drivers to config */ - __u32 cd_Unused[4]; /* for whatever the driver wants */ -} __attribute__ ((packed)); - -#define ZORRO_NUM_AUTO 16 - -#ifdef __KERNEL__ +#include <uapi/linux/zorro.h> +#include <linux/device.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/mod_devicetable.h> @@ -175,7 +78,23 @@ static inline struct zorro_driver *zorro_dev_driver(const struct zorro_dev *z) extern unsigned int zorro_num_autocon; /* # of autoconfig devices found */ -extern struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO]; +extern struct zorro_dev *zorro_autocon; + + + /* + * Minimal information about a Zorro device, passed from bootinfo + * Only available temporarily, i.e. until initmem has been freed! + */ + +struct zorro_dev_init { + struct ExpansionRom rom; + u16 slotaddr; + u16 slotsize; + u32 boardaddr; + u32 boardsize; +}; + +extern struct zorro_dev_init zorro_autocon_init[ZORRO_NUM_AUTO] __initdata; /* @@ -229,6 +148,4 @@ extern DECLARE_BITMAP(zorro_unused_z2ram, 128); #define Z2RAM_CHUNKSHIFT (16) -#endif /* __KERNEL__ */ - #endif /* _LINUX_ZORRO_H */ diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 76d54270f2e2..65bb13035598 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -165,7 +165,6 @@ struct inet6_dev { struct net_device *dev; struct list_head addr_list; - int valid_ll_addr_cnt; struct ifmcaddr6 *mc_list; struct ifmcaddr6 *mc_tomb; diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h index 31e2de7d57c5..c0f0a13ed818 100644 --- a/include/net/llc_pdu.h +++ b/include/net/llc_pdu.h @@ -142,7 +142,7 @@ #define LLC_S_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_S_PF_BIT_MASK) ? 1 : 0) #define PDU_SUPV_GET_Nr(pdu) ((pdu->ctrl_2 & 0xFE) >> 1) -#define PDU_GET_NEXT_Vr(sn) (++sn & ~LLC_2_SEQ_NBR_MODULO) +#define PDU_GET_NEXT_Vr(sn) (((sn) + 1) & ~LLC_2_SEQ_NBR_MODULO) /* FRMR information field macros */ diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 67b5d0068273..0a248b323d87 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1046,9 +1046,6 @@ struct sctp_outq { /* Corked? */ char cork; - - /* Is this structure empty? */ - char empty; }; void sctp_outq_init(struct sctp_association *, struct sctp_outq *); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 979874c627ee..61e1935c91b1 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -978,7 +978,7 @@ struct ib_uobject { }; struct ib_udata { - void __user *inbuf; + const void __user *inbuf; void __user *outbuf; size_t inlen; size_t outlen; diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 45412a6afa69..321301c0a643 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -517,10 +517,6 @@ struct se_node_acl { u32 acl_index; #define MAX_ACL_TAG_SIZE 64 char acl_tag[MAX_ACL_TAG_SIZE]; - u64 num_cmds; - u64 read_bytes; - u64 write_bytes; - spinlock_t stats_lock; /* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */ atomic_t acl_pr_ref_count; struct se_dev_entry **device_list; @@ -624,6 +620,7 @@ struct se_dev_attrib { u32 unmap_granularity; u32 unmap_granularity_alignment; u32 max_write_same_len; + u32 max_bytes_per_io; struct se_device *da_dev; struct config_group da_group; }; diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 2f3f7ea8c77b..fe421e8a431b 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -983,6 +983,8 @@ struct drm_radeon_cs { #define RADEON_INFO_SI_CP_DMA_COMPUTE 0x17 /* CIK macrotile mode array */ #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY 0x18 +/* query the number of render backends */ +#define RADEON_INFO_SI_BACKEND_ENABLED_MASK 0x19 struct drm_radeon_info { diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h index bcb0912afe7a..f854ca4a1372 100644 --- a/include/uapi/drm/vmwgfx_drm.h +++ b/include/uapi/drm/vmwgfx_drm.h @@ -75,6 +75,7 @@ #define DRM_VMW_PARAM_FIFO_CAPS 4 #define DRM_VMW_PARAM_MAX_FB_SIZE 5 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6 +#define DRM_VMW_PARAM_MAX_SURF_MEMORY 7 /** * struct drm_vmw_getparam_arg diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 33d2b8fe166d..3ce25b5d75a9 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -426,3 +426,5 @@ header-y += x25.h header-y += xattr.h header-y += xfrm.h header-y += hw_breakpoint.h +header-y += zorro.h +header-y += zorro_ids.h diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index ecc88592ecbe..bd24470d24a2 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -464,7 +464,8 @@ struct input_keymap_entry { #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */ #define KEY_DISPLAY_OFF 245 /* display device to off state */ -#define KEY_WIMAX 246 +#define KEY_WWAN 246 /* Wireless WAN (LTE, UMTS, GSM, etc.) */ +#define KEY_WIMAX KEY_WWAN #define KEY_RFKILL 247 /* Key that controls all radios */ #define KEY_MICMUTE 248 /* Mute / unmute the microphone */ diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h index 104838f65bc1..d6629d49a243 100644 --- a/include/uapi/linux/kexec.h +++ b/include/uapi/linux/kexec.h @@ -18,6 +18,7 @@ */ #define KEXEC_ARCH_DEFAULT ( 0 << 16) #define KEXEC_ARCH_386 ( 3 << 16) +#define KEXEC_ARCH_68K ( 4 << 16) #define KEXEC_ARCH_X86_64 (62 << 16) #define KEXEC_ARCH_PPC (20 << 16) #define KEXEC_ARCH_PPC64 (21 << 16) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index e1802d6153ae..959d454f76a1 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -679,6 +679,7 @@ enum perf_event_type { * * { u64 weight; } && PERF_SAMPLE_WEIGHT * { u64 data_src; } && PERF_SAMPLE_DATA_SRC + * { u64 transaction; } && PERF_SAMPLE_TRANSACTION * }; */ PERF_RECORD_SAMPLE = 9, diff --git a/include/uapi/linux/zorro.h b/include/uapi/linux/zorro.h new file mode 100644 index 000000000000..59d021b242ed --- /dev/null +++ b/include/uapi/linux/zorro.h @@ -0,0 +1,113 @@ +/* + * linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions + * + * Copyright (C) 1995--2003 Geert Uytterhoeven + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _UAPI_LINUX_ZORRO_H +#define _UAPI_LINUX_ZORRO_H + +#include <linux/types.h> + + + /* + * Each Zorro board has a 32-bit ID of the form + * + * mmmmmmmmmmmmmmmmppppppppeeeeeeee + * + * with + * + * mmmmmmmmmmmmmmmm 16-bit Manufacturer ID (assigned by CBM (sigh)) + * pppppppp 8-bit Product ID (assigned by manufacturer) + * eeeeeeee 8-bit Extended Product ID (currently only used + * for some GVP boards) + */ + + +#define ZORRO_MANUF(id) ((id) >> 16) +#define ZORRO_PROD(id) (((id) >> 8) & 0xff) +#define ZORRO_EPC(id) ((id) & 0xff) + +#define ZORRO_ID(manuf, prod, epc) \ + ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc)) + +typedef __u32 zorro_id; + + +/* Include the ID list */ +#include <linux/zorro_ids.h> + + + /* + * GVP identifies most of its products through the 'extended product code' + * (epc). The epc has to be ANDed with the GVP_PRODMASK before the + * identification. + */ + +#define GVP_PRODMASK (0xf8) +#define GVP_SCSICLKMASK (0x01) + +enum GVP_flags { + GVP_IO = 0x01, + GVP_ACCEL = 0x02, + GVP_SCSI = 0x04, + GVP_24BITDMA = 0x08, + GVP_25BITDMA = 0x10, + GVP_NOBANK = 0x20, + GVP_14MHZ = 0x40, +}; + + +struct Node { + __be32 ln_Succ; /* Pointer to next (successor) */ + __be32 ln_Pred; /* Pointer to previous (predecessor) */ + __u8 ln_Type; + __s8 ln_Pri; /* Priority, for sorting */ + __be32 ln_Name; /* ID string, null terminated */ +} __packed; + +struct ExpansionRom { + /* -First 16 bytes of the expansion ROM */ + __u8 er_Type; /* Board type, size and flags */ + __u8 er_Product; /* Product number, assigned by manufacturer */ + __u8 er_Flags; /* Flags */ + __u8 er_Reserved03; /* Must be zero ($ff inverted) */ + __be16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */ + __be32 er_SerialNumber; /* Available for use by manufacturer */ + __be16 er_InitDiagVec; /* Offset to optional "DiagArea" structure */ + __u8 er_Reserved0c; + __u8 er_Reserved0d; + __u8 er_Reserved0e; + __u8 er_Reserved0f; +} __packed; + +/* er_Type board type bits */ +#define ERT_TYPEMASK 0xc0 +#define ERT_ZORROII 0xc0 +#define ERT_ZORROIII 0x80 + +/* other bits defined in er_Type */ +#define ERTB_MEMLIST 5 /* Link RAM into free memory list */ +#define ERTF_MEMLIST (1<<5) + +struct ConfigDev { + struct Node cd_Node; + __u8 cd_Flags; /* (read/write) */ + __u8 cd_Pad; /* reserved */ + struct ExpansionRom cd_Rom; /* copy of board's expansion ROM */ + __be32 cd_BoardAddr; /* where in memory the board was placed */ + __be32 cd_BoardSize; /* size of board in bytes */ + __be16 cd_SlotAddr; /* which slot number (PRIVATE) */ + __be16 cd_SlotSize; /* number of slots (PRIVATE) */ + __be32 cd_Driver; /* pointer to node of driver */ + __be32 cd_NextCD; /* linked list of drivers to config */ + __be32 cd_Unused[4]; /* for whatever the driver wants */ +} __packed; + +#define ZORRO_NUM_AUTO 16 + +#endif /* _UAPI_LINUX_ZORRO_H */ diff --git a/include/linux/zorro_ids.h b/include/uapi/linux/zorro_ids.h index 74bc53bcfdcf..74bc53bcfdcf 100644 --- a/include/linux/zorro_ids.h +++ b/include/uapi/linux/zorro_ids.h diff --git a/include/xen/interface/callback.h b/include/xen/interface/callback.h index 8c5fa0e20155..dc3193f4b581 100644 --- a/include/xen/interface/callback.h +++ b/include/xen/interface/callback.h @@ -36,7 +36,7 @@ * @extra_args == Operation-specific extra arguments (NULL if none). */ -/* ia64, x86: Callback for event delivery. */ +/* x86: Callback for event delivery. */ #define CALLBACKTYPE_event 0 /* x86: Failsafe callback when guest state cannot be restored by Xen. */ diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h index 65e12099ef89..ae665ac59c36 100644 --- a/include/xen/interface/io/blkif.h +++ b/include/xen/interface/io/blkif.h @@ -146,7 +146,7 @@ struct blkif_request_segment_aligned { struct blkif_request_rw { uint8_t nr_segments; /* number of segments */ blkif_vdev_t handle; /* only for read/write requests */ -#ifdef CONFIG_X86_64 +#ifndef CONFIG_X86_32 uint32_t _pad1; /* offsetof(blkif_request,u.rw.id) == 8 */ #endif uint64_t id; /* private guest value, echoed in resp */ @@ -163,7 +163,7 @@ struct blkif_request_discard { uint8_t flag; /* BLKIF_DISCARD_SECURE or zero. */ #define BLKIF_DISCARD_SECURE (1<<0) /* ignored if discard-secure=0 */ blkif_vdev_t _pad1; /* only for read/write requests */ -#ifdef CONFIG_X86_64 +#ifndef CONFIG_X86_32 uint32_t _pad2; /* offsetof(blkif_req..,u.discard.id)==8*/ #endif uint64_t id; /* private guest value, echoed in resp */ @@ -175,7 +175,7 @@ struct blkif_request_discard { struct blkif_request_other { uint8_t _pad1; blkif_vdev_t _pad2; /* only for read/write requests */ -#ifdef CONFIG_X86_64 +#ifndef CONFIG_X86_32 uint32_t _pad3; /* offsetof(blkif_req..,u.other.id)==8*/ #endif uint64_t id; /* private guest value, echoed in resp */ @@ -184,7 +184,7 @@ struct blkif_request_other { struct blkif_request_indirect { uint8_t indirect_op; uint16_t nr_segments; -#ifdef CONFIG_X86_64 +#ifndef CONFIG_X86_32 uint32_t _pad1; /* offsetof(blkif_...,u.indirect.id) == 8 */ #endif uint64_t id; @@ -192,7 +192,7 @@ struct blkif_request_indirect { blkif_vdev_t handle; uint16_t _pad2; grant_ref_t indirect_grefs[BLKIF_MAX_INDIRECT_PAGES_PER_REQUEST]; -#ifdef CONFIG_X86_64 +#ifndef CONFIG_X86_32 uint32_t _pad3; /* make it 64 byte aligned */ #else uint64_t _pad3; /* make it 64 byte aligned */ diff --git a/include/xen/interface/io/protocols.h b/include/xen/interface/io/protocols.h index 056744b4b05e..545a14ba0bb3 100644 --- a/include/xen/interface/io/protocols.h +++ b/include/xen/interface/io/protocols.h @@ -3,7 +3,6 @@ #define XEN_IO_PROTO_ABI_X86_32 "x86_32-abi" #define XEN_IO_PROTO_ABI_X86_64 "x86_64-abi" -#define XEN_IO_PROTO_ABI_IA64 "ia64-abi" #define XEN_IO_PROTO_ABI_POWERPC64 "powerpc64-abi" #define XEN_IO_PROTO_ABI_ARM "arm-abi" @@ -11,8 +10,6 @@ # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_32 #elif defined(__x86_64__) # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_64 -#elif defined(__ia64__) -# define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_IA64 #elif defined(__powerpc64__) # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_POWERPC64 #elif defined(__arm__) || defined(__aarch64__) |