#ifndef __LINUX_NET_AFUNIX_H #define __LINUX_NET_AFUNIX_H #include #include #include #include void unix_inflight(struct user_struct *user, struct file *fp); void unix_notinflight(struct user_struct *user, struct file *fp); void unix_gc(void); void wait_for_unix_gc(void); struct sock *unix_get_socket(struct file *filp); struct sock *unix_peer_get(struct sock *); #define UNIX_HASH_SIZE 256 #define UNIX_HASH_BITS 8 extern unsigned int unix_tot_inflight; extern spinlock_t unix_table_lock; extern struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE]; struct unix_address { atomic_t refcnt; int len; unsigned int hash; struct sockaddr_un name[0]; }; struct unix_skb_parms { struct pid *pid; /* Skb credentials */ kuid_t uid; kgid_t gid; struct scm_fp_list *fp; /* Passed files */ #ifdef CONFIG_SECURITY_NETWORK u32 secid; /* Security ID */ #endif u32 consumed; }; #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) #define unix_state_lock(s) spin_lock(&unix_sk(s)->lock) #define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock) #define unix_state_lock_nested(s) \ spin_lock_nested(&unix_sk(s)->lock, \ SINGLE_DEPTH_NESTING) /* The AF_UNIX socket */ struct unix_sock { /* WARNING: sk has to be the first member */ struct sock sk; struct unix_address *addr; struct path path; struct mutex iolock, bindlock; struct sock *peer; struct list_head link; atomic_long_t inflight; spinlock_t lock; unsigned char recursion_level; unsigned long gc_flags; #define UNIX_GC_CANDIDATE 0 #define UNIX_GC_MAYBE_CYCLE 1 struct socket_wq peer_wq; wait_queue_t peer_wake; }; static inline struct unix_sock *unix_sk(const struct sock *sk) { return (struct unix_sock *)sk; } #define peer_wait peer_wq.wait long unix_inq_len(struct sock *sk); long unix_outq_len(struct sock *sk); #ifdef CONFIG_SYSCTL int unix_sysctl_register(struct net *net); void unix_sysctl_unregister(struct net *net); #else static inline int unix_sysctl_register(struct net *net) { return 0; } static inline void unix_sysctl_unregister(struct net *net) {} #endif #endif cgi/linux/net-next.git/log/include/ras'>
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authorAlexander Stein <alexander.stein@systec-electronic.com>2017-01-30 12:35:28 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 15:53:57 +0100
commitcdca06e4e85974d8a3503ab15709dbbaf90d3dd1 (patch)
tree268b0c01070a957006db97c88dccb5fb061440ff /include/ras
parent1b89970d81bbd52720fc64a3fe9572ee33588363 (diff)
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901) concurrent read accesses may result in returning 0xffffffff and write accesses may be dropped silently. To workaround all accesses must be protected by locks. Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/ras')