Index: sys/compat/linuxkpi/common/include/linux/compat.h =================================================================== --- sys/compat/linuxkpi/common/include/linux/compat.h +++ sys/compat/linuxkpi/common/include/linux/compat.h @@ -46,8 +46,6 @@ static inline void linux_set_current(struct thread *td) { - if (__predict_false(lkpi_alloc_current == NULL)) - return; if (__predict_false(td->td_lkpi_task == NULL)) lkpi_alloc_current(td, M_WAITOK); } @@ -55,8 +53,6 @@ static inline int linux_set_current_flags(struct thread *td, int flags) { - if (__predict_false(lkpi_alloc_current == NULL)) - return (0); if (__predict_false(td->td_lkpi_task == NULL)) return (lkpi_alloc_current(td, flags)); return (0); Index: sys/compat/linuxkpi/common/src/linux_current.c =================================================================== --- sys/compat/linuxkpi/common/src/linux_current.c +++ sys/compat/linuxkpi/common/src/linux_current.c @@ -218,9 +218,9 @@ static void linux_current_init(void *arg __unused) { + lkpi_alloc_current = linux_alloc_current; linuxkpi_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, linuxkpi_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); - lkpi_alloc_current = linux_alloc_current; } SYSINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_init, NULL); @@ -243,7 +243,7 @@ PROC_UNLOCK(p); } sx_sunlock(&allproc_lock); - lkpi_alloc_current = NULL; EVENTHANDLER_DEREGISTER(thread_dtor, linuxkpi_thread_dtor_tag); + lkpi_alloc_current = linux_alloc_current_noop; } SYSUNINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND, linux_current_uninit, NULL); Index: sys/kern/init_main.c =================================================================== --- sys/kern/init_main.c +++ sys/kern/init_main.c @@ -106,7 +106,14 @@ struct thread0_storage thread0_st __aligned(32); struct vmspace vmspace0; struct proc *initproc; -int (*lkpi_alloc_current)(struct thread *, int); + +int +linux_alloc_current_noop(struct thread *td __unused, int flags __unused) +{ + return (0); +} +int (*lkpi_alloc_current)(struct thread *, int) = linux_alloc_current_noop; + #ifndef BOOTHOWTO #define BOOTHOWTO 0 @@ -455,7 +462,7 @@ GIANT_REQUIRED; p = &proc0; td = &thread0; - + /* * Initialize magic number and osrel. */ Index: sys/sys/systm.h =================================================================== --- sys/sys/systm.h +++ sys/sys/systm.h @@ -237,6 +237,13 @@ void init_static_kenv(char *, size_t); void tablefull(const char *); +/* + * Allocate per-thread "current" state in the linuxkpi + */ +extern int (*lkpi_alloc_current)(struct thread *, int); +int linux_alloc_current_noop(struct thread *, int); + + #if defined(KLD_MODULE) || defined(KTR_CRITICAL) || !defined(_KERNEL) || defined(GENOFFSET) #define critical_enter() critical_enter_KBI() #define critical_exit() critical_exit_KBI()