diff options
author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-04-28 22:10:46 -0700 |
---|---|---|
committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-04-28 22:10:46 -0700 |
commit | 6c740e8f93db55a9f488d6e0ced7195b835d5c77 (patch) | |
tree | 393e6b03bc7cfb46980091436bc3d109e083c8b0 /include | |
parent | 21bd869992ebf03d6eb269ee4700638291b0cc5d (diff) | |
parent | d877e94313437ef265d49be0b810bb36f6a7b05e (diff) |
Merge "Merge branch 'android-4.4@b834e92' into branch 'msm-4.4'"
Diffstat (limited to 'include')
-rw-r--r-- | include/crypto/internal/hash.h | 10 | ||||
-rw-r--r-- | include/drm/ttm/ttm_object.h | 5 | ||||
-rw-r--r-- | include/linux/cgroup.h | 21 | ||||
-rw-r--r-- | include/linux/kvm_host.h | 4 | ||||
-rw-r--r-- | include/linux/mbcache2.h | 50 | ||||
-rw-r--r-- | include/linux/sched.h | 4 |
6 files changed, 91 insertions, 3 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index 476d99d0edb7..611b3d3bbab5 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -181,6 +181,16 @@ static inline struct ahash_instance *ahash_alloc_instance( return crypto_alloc_instance2(name, alg, ahash_instance_headroom()); } +static inline void ahash_request_complete(struct ahash_request *req, int err) +{ + req->base.complete(&req->base, err); +} + +static inline u32 ahash_request_flags(struct ahash_request *req) +{ + return req->base.flags; +} + static inline struct crypto_ahash *crypto_spawn_ahash( struct crypto_ahash_spawn *spawn) { diff --git a/include/drm/ttm/ttm_object.h b/include/drm/ttm/ttm_object.h index ed953f98f0e1..1487011fe057 100644 --- a/include/drm/ttm/ttm_object.h +++ b/include/drm/ttm/ttm_object.h @@ -229,6 +229,8 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base); * @ref_type: The type of reference. * @existed: Upon completion, indicates that an identical reference object * already existed, and the refcount was upped on that object instead. + * @require_existed: Fail with -EPERM if an identical ref object didn't + * already exist. * * Checks that the base object is shareable and adds a ref object to it. * @@ -243,7 +245,8 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base); */ extern int ttm_ref_object_add(struct ttm_object_file *tfile, struct ttm_base_object *base, - enum ttm_ref_type ref_type, bool *existed); + enum ttm_ref_type ref_type, bool *existed, + bool require_existed); extern bool ttm_ref_object_exists(struct ttm_object_file *tfile, struct ttm_base_object *base); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index cb91b44f5f78..ad2bcf647b9a 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -528,6 +528,25 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp) pr_cont_kernfs_path(cgrp->kn); } +static inline void cgroup_init_kthreadd(void) +{ + /* + * kthreadd is inherited by all kthreads, keep it in the root so + * that the new kthreads are guaranteed to stay in the root until + * initialization is finished. + */ + current->no_cgroup_migration = 1; +} + +static inline void cgroup_kthread_ready(void) +{ + /* + * This kthread finished initialization. The creator should have + * set PF_NO_SETAFFINITY if this kthread should stay in the root. + */ + current->no_cgroup_migration = 0; +} + #else /* !CONFIG_CGROUPS */ struct cgroup_subsys_state; @@ -551,6 +570,8 @@ static inline void cgroup_free(struct task_struct *p) {} static inline int cgroup_init_early(void) { return 0; } static inline int cgroup_init(void) { return 0; } +static inline void cgroup_init_kthreadd(void) {} +static inline void cgroup_kthread_ready(void) {} #endif /* !CONFIG_CGROUPS */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index c923350ca20a..d7ce4e3280db 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -182,8 +182,8 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, int len, void *val); int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, struct kvm_io_device *dev); -int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, - struct kvm_io_device *dev); +void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, + struct kvm_io_device *dev); #ifdef CONFIG_KVM_ASYNC_PF struct kvm_async_pf { diff --git a/include/linux/mbcache2.h b/include/linux/mbcache2.h new file mode 100644 index 000000000000..b6f160ff2533 --- /dev/null +++ b/include/linux/mbcache2.h @@ -0,0 +1,50 @@ +#ifndef _LINUX_MB2CACHE_H +#define _LINUX_MB2CACHE_H + +#include <linux/hash.h> +#include <linux/list_bl.h> +#include <linux/list.h> +#include <linux/atomic.h> +#include <linux/fs.h> + +struct mb2_cache; + +struct mb2_cache_entry { + /* LRU list - protected by cache->c_lru_list_lock */ + struct list_head e_lru_list; + /* Hash table list - protected by bitlock in e_hash_list_head */ + struct hlist_bl_node e_hash_list; + atomic_t e_refcnt; + /* Key in hash - stable during lifetime of the entry */ + u32 e_key; + /* Block number of hashed block - stable during lifetime of the entry */ + sector_t e_block; + /* Head of hash list (for list bit lock) - stable */ + struct hlist_bl_head *e_hash_list_head; +}; + +struct mb2_cache *mb2_cache_create(int bucket_bits); +void mb2_cache_destroy(struct mb2_cache *cache); + +int mb2_cache_entry_create(struct mb2_cache *cache, gfp_t mask, u32 key, + sector_t block); +void __mb2_cache_entry_free(struct mb2_cache_entry *entry); +static inline int mb2_cache_entry_put(struct mb2_cache *cache, + struct mb2_cache_entry *entry) +{ + if (!atomic_dec_and_test(&entry->e_refcnt)) + return 0; + __mb2_cache_entry_free(entry); + return 1; +} + +void mb2_cache_entry_delete_block(struct mb2_cache *cache, u32 key, + sector_t block); +struct mb2_cache_entry *mb2_cache_entry_find_first(struct mb2_cache *cache, + u32 key); +struct mb2_cache_entry *mb2_cache_entry_find_next(struct mb2_cache *cache, + struct mb2_cache_entry *entry); +void mb2_cache_entry_touch(struct mb2_cache *cache, + struct mb2_cache_entry *entry); + +#endif /* _LINUX_MB2CACHE_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 9cb0c1712792..c71978453864 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1647,6 +1647,10 @@ struct task_struct { #ifdef CONFIG_COMPAT_BRK unsigned brk_randomized:1; #endif +#ifdef CONFIG_CGROUPS + /* disallow userland-initiated cgroup migration */ + unsigned no_cgroup_migration:1; +#endif unsigned long atomic_flags; /* Flags needing atomic access. */ |