/* * Glibc independent futex library for testing kernel functionality. * Shamelessly stolen from Darren Hart * http://git.kernel.org/cgit/linux/kernel/git/dvhart/futextest.git/ */ #ifndef _FUTEX_H #define _FUTEX_H #include #include #include #include #include /** * futex() - SYS_futex syscall wrapper * @uaddr: address of first futex * @op: futex op code * @val: typically expected value of uaddr, but varies by op * @timeout: typically an absolute struct timespec (except where noted * otherwise). Overloaded by some ops * @uaddr2: address of second futex for some ops\ * @val3: varies by op * @opflags: flags to be bitwise OR'd with op, such as FUTEX_PRIVATE_FLAG * * futex() is used by all the following futex op wrappers. It can also be * used for misuse and abuse testing. Generally, the specific op wrappers * should be used instead. It is a macro instead of an static inline function as * some of the types over overloaded (timeout is used for nr_requeue for * example). * * These argument descriptions are the defaults for all * like-named arguments in the following wrappers except where noted below. */ #define futex(uaddr, op, val, timeout, uaddr2, val3, opflags) \ syscall(SYS_futex, uaddr, op | opflags, val, timeout, uaddr2, val3) /** * futex_wait() - block on uaddr with optional timeout * @timeout: relative timeout */ static inline int futex_wait(u_int32_t *uaddr, u_int32_t val, struct timespec *timeout, int opflags) { return futex(uaddr, FUTEX_WAIT, val, timeout, NULL, 0, opflags); } /** * futex_wake() - wake one or more tasks blocked on uaddr * @nr_wake: wake up to this many tasks */ static inline int futex_wake(u_int32_t *uaddr, int nr_wake, int opflags) { return futex(uaddr, FUTEX_WAKE, nr_wake, NULL, NULL, 0, opflags); } /** * futex_lock_pi() - block on uaddr as a PI mutex */ static inline int futex_lock_pi(u_int32_t *uaddr, struct timespec *timeout, int opflags) { return futex(uaddr, FUTEX_LOCK_PI, 0, timeout, NULL, 0, opflags); } /** * futex_unlock_pi() - release uaddr as a PI mutex, waking the top waiter */ static inline int futex_unlock_pi(u_int32_t *uaddr, int opflags) { return futex(uaddr, FUTEX_UNLOCK_PI, 0, NULL, NULL, 0, opflags); } /** * futex_cmp_requeue() - requeue tasks from uaddr to uaddr2 * @nr_wake: wake up to this many tasks * @nr_requeue: requeue up to this many tasks */ static inline int futex_cmp_requeue(u_int32_t *uaddr, u_int32_t val, u_int32_t *uaddr2, int nr_wake, int nr_requeue, int opflags) { return futex(uaddr, FUTEX_CMP_REQUEUE, nr_wake, nr_requeue, uaddr2, val, opflags); } #ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP #include static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr, size_t cpusetsize, cpu_set_t *cpuset) { attr = attr; cpusetsize = cpusetsize; cpuset = cpuset; return 0; } #endif /* User input sanitation */ #define futexbench_sanitize_numeric(__n) abs((__n)) #endif /* _FUTEX_H */ 2f29ee71aa83e6c320a911137c189'>gadget/u_f.h
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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-01-27 15:59:30 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 17:10:38 +0100
commitf43128c75202f29ee71aa83e6c320a911137c189 (patch)
tree85280695db72c8ae27f6c0c312a8573a4d756c80 /drivers/usb/gadget/u_f.h
parentd5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff)
i2c: piix4: Fix request_region size
Since '701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")' we are using the SMBSLVCNT register at offset 0x8. We need to request it. Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC") Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/gadget/u_f.h')