d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MFC r196274

Browse Source 
Change the usb workers from kernel processes to threads, this is mostly a
 cosmetic change to reduce cruft in the proc table.

 Also change the idle wait message to `-` like how taskqueues are.

 Reviewed by:	julian
 Approved by:	re (kib)
This commit is contained in:
Andrew Thompson 2009-08-16 14:17:47 +00:00
parent 1e2c2ea509
commit a8ff174941
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/8/; revision=196275
2 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/dev/usb/usb_process.c
View File

@ -63,10 +63,12 @@
#endif
#if (__FreeBSD_version >= 800000)
static struct proc *usbproc;
#define USB_THREAD_CREATE(f, s, p, ...) \
kproc_create((f), (s), (p), RFHIGHPID, 0, __VA_ARGS__)
#define USB_THREAD_SUSPEND(p) kproc_suspend(p,0)
#define USB_THREAD_EXIT(err) kproc_exit(err)
kproc_kthread_add((f), (s), &usbproc, (p), RFHIGHPID, \
0, "usb", __VA_ARGS__)
#define USB_THREAD_SUSPEND(p) kthread_suspend(p,0)
#define USB_THREAD_EXIT(err) kthread_exit()
#else
#define USB_THREAD_CREATE(f, s, p, ...) \
kthread_create((f), (s), (p), RFHIGHPID, 0, __VA_ARGS__)
@ -207,8 +209,8 @@ usb_proc_create(struct usb_process *up, struct mtx *p_mtx,
TAILQ_INIT(&up->up_qhead);
cv_init(&up->up_cv, "wmsg");
cv_init(&up->up_drain, "dmsg");
cv_init(&up->up_cv, "-");
cv_init(&up->up_drain, "usbdrain");
if (USB_THREAD_CREATE(&usb_process, up,
&up->up_ptr, pmesg)) {

4
sys/dev/usb/usb_process.h
View File

@ -49,7 +49,11 @@ struct usb_process {
struct cv up_cv;
struct cv up_drain;
#if (__FreeBSD_version >= 800000)
struct thread *up_ptr;
#else
struct proc *up_ptr;
#endif
struct thread *up_curtd;
struct mtx *up_mtx;