Messages in this thread |  | | Date | Sat, 23 Dec 2000 18:15:41 +0530 (IST) | From | Sourav Sen <> | Subject | why both kernel lock as well as semaphore |
| |
In many parts of the kernel, I have seen both semaphore is taken (eg. down(¤t->mm->mmap_sem)) as well as kernel lock (lock_kernel()) is also taken, why both are required? Whats the purpose of each?
~sourav
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |