arno/linux-insides
1
0
Fork 0
mirror of https://github.com/0xAX/linux-insides.git synced 2025-01-03 12:20:56 +00:00
Code Issues Releases Wiki Activity

spinlock: fix the wrong function name of arch_spin_lock

Browse Source 
It should be arch_spin_unlock instead of arch_spin_lock.

Signed-off-by: Fupan Li <fupan.li@windriver.com>
This commit is contained in:
Fupan Li 2017-11-29 11:58:37 +08:00
parent abf4f684a5
commit ec3fa13996
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
SyncPrim/sync-1.md
View File

@ -373,7 +373,7 @@ If one process held a lock and a second process started to execute the `arch_spi
and the next iteration of the loop will be started. If these values will be equal, this means that the process which held this lock, released this lock and the next process may acquire the lock.
The `spin_unlock` operation goes through the all macros/function as `spin_lock`, of course with `unlock` prefix. In the end the `arch_spin_unlock` function will be called. If we will look at the implementation of the `arch_spin_lock` function, we will see that it increases `head` of the `lock tickets` list:
The `spin_unlock` operation goes through the all macros/function as `spin_lock`, of course with `unlock` prefix. In the end the `arch_spin_unlock` function will be called. If we will look at the implementation of the `arch_spin_unlock` function, we will see that it increases `head` of the `lock tickets` list:
```C
__add(&lock->tickets.head, TICKET_LOCK_INC, UNLOCK_LOCK_PREFIX);