diff --git a/sys/compat/linuxkpi/common/include/linux/ww_mutex.h b/sys/compat/linuxkpi/common/include/linux/ww_mutex.h index c23d4dd6fa2..49bec662848 100644 --- a/sys/compat/linuxkpi/common/include/linux/ww_mutex.h +++ b/sys/compat/linuxkpi/common/include/linux/ww_mutex.h @@ -76,7 +76,8 @@ ww_mutex_trylock(struct ww_mutex *lock) return (mutex_trylock(&lock->base)); } -extern int linux_ww_mutex_lock_sub(struct ww_mutex *, int catch_signal); +extern int linux_ww_mutex_lock_sub(struct ww_mutex *, + struct ww_acquire_ctx *, int catch_signal); static inline int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) @@ -86,7 +87,7 @@ ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) else if ((struct thread *)SX_OWNER(lock->base.sx.sx_lock) == curthread) return (-EALREADY); else - return (linux_ww_mutex_lock_sub(lock, 0)); + return (linux_ww_mutex_lock_sub(lock, ctx, 0)); } static inline int @@ -97,7 +98,7 @@ ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) else if ((struct thread *)SX_OWNER(lock->base.sx.sx_lock) == curthread) return (-EALREADY); else - return (linux_ww_mutex_lock_sub(lock, 1)); + return (linux_ww_mutex_lock_sub(lock, ctx, 1)); } extern void linux_ww_mutex_unlock_sub(struct ww_mutex *); diff --git a/sys/compat/linuxkpi/common/src/linux_lock.c b/sys/compat/linuxkpi/common/src/linux_lock.c index f037cd3a1ea..b04a7738d03 100644 --- a/sys/compat/linuxkpi/common/src/linux_lock.c +++ b/sys/compat/linuxkpi/common/src/linux_lock.c @@ -71,7 +71,8 @@ linux_ww_unlock(void) /* lock a mutex with deadlock avoidance */ int -linux_ww_mutex_lock_sub(struct ww_mutex *lock, int catch_signal) +linux_ww_mutex_lock_sub(struct ww_mutex *lock, + struct ww_acquire_ctx *ctx, int catch_signal) { struct task_struct *task; struct ww_mutex_thread entry; @@ -126,6 +127,9 @@ done: if ((struct thread *)SX_OWNER(lock->base.sx.sx_lock) == NULL) cv_signal(&lock->condvar); } + + if (retval == 0) + lock->ctx = ctx; linux_ww_unlock(); return (retval); } @@ -135,6 +139,7 @@ linux_ww_mutex_unlock_sub(struct ww_mutex *lock) { /* protect ww_mutex ownership change */ linux_ww_lock(); + lock->ctx = NULL; sx_xunlock(&lock->base.sx); /* wakeup a lock waiter, if any */ cv_signal(&lock->condvar); diff --git a/sys/sys/param.h b/sys/sys/param.h index 7b75b9b812f..0f6cfd2c1e1 100644 --- a/sys/sys/param.h +++ b/sys/sys/param.h @@ -60,7 +60,7 @@ * in the range 5 to 9. */ #undef __FreeBSD_version -#define __FreeBSD_version 1300118 /* Master, propagated to newvers */ +#define __FreeBSD_version 1300119 /* Master, propagated to newvers */ /* * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,