Index: head/sys/compat/linux/linux.h =================================================================== --- head/sys/compat/linux/linux.h +++ head/sys/compat/linux/linux.h @@ -143,4 +143,7 @@ extern LIST_HEAD(futex_list, futex) futex_list; extern struct mtx futex_mtx; +void linux_dev_shm_create(void); +void linux_dev_shm_destroy(void); + #endif /* _LINUX_MI_H_ */ Index: head/sys/compat/linux/linux.c =================================================================== --- head/sys/compat/linux/linux.c +++ head/sys/compat/linux/linux.c @@ -31,6 +31,7 @@ #include #include +#include #include #include #include @@ -129,6 +130,12 @@ SIGSYS /* LINUX_SIGSYS */ }; +static struct cdev *dev_shm_cdev; +static struct cdevsw dev_shm_cdevsw = { + .d_version = D_VERSION, + .d_name = "dev_shm", +}; + /* * Map Linux RT signals to the FreeBSD RT signals. */ @@ -523,4 +530,24 @@ out: free(kosa, M_SONAME); return (error); +} + +void +linux_dev_shm_create(void) +{ + int error; + + error = make_dev_p(MAKEDEV_CHECKNAME | MAKEDEV_WAITOK, &dev_shm_cdev, + &dev_shm_cdevsw, NULL, UID_ROOT, GID_WHEEL, 0, "shm/.mountpoint"); + if (error != 0) { + printf("%s: failed to create device node, error %d\n", + __func__, error); + } +} + +void +linux_dev_shm_destroy(void) +{ + + destroy_dev(dev_shm_cdev); } Index: head/sys/compat/linux/linux_common.c =================================================================== --- head/sys/compat/linux/linux_common.c +++ head/sys/compat/linux/linux_common.c @@ -68,6 +68,7 @@ switch(type) { case MOD_LOAD: + linux_dev_shm_create(); linux_osd_jail_register(); linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, linux_proc_exit, NULL, 1000); @@ -81,6 +82,7 @@ mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); break; case MOD_UNLOAD: + linux_dev_shm_destroy(); linux_osd_jail_deregister(); SET_FOREACH(ldhp, linux_device_handler_set) linux_device_unregister_handler(*ldhp); Index: head/sys/i386/linux/linux_sysvec.c =================================================================== --- head/sys/i386/linux/linux_sysvec.c +++ head/sys/i386/linux/linux_sysvec.c @@ -1006,6 +1006,7 @@ linux_get_machine(&linux_kplatform); linux_szplatform = roundup(strlen(linux_kplatform) + 1, sizeof(char *)); + linux_dev_shm_create(); linux_osd_jail_register(); stclohz = (stathz ? stathz : hz); if (bootverbose) @@ -1031,6 +1032,7 @@ EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag); EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag); EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag); + linux_dev_shm_destroy(); linux_osd_jail_deregister(); if (bootverbose) printf("Linux ELF exec handler removed\n");