moonjuice/kernel_arpi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ANDROID: GKI: Add OEM data to mutex/rwsem

Browse Source 
Reserve ANDROID_OEM_DATA in struct mutex/rw_semaphore for recoreding
informaition about the lock, which helps to do oem specific lock
optimization.

Bug: 188869548
Change-Id: I33f767a1823f854a8deb8ba9078079aa6a9d76ea
Signed-off-by: Liangliang Li <liliangliang@vivo.com>
(cherry picked from commit 372b24bad2)
This commit is contained in:
Liangliang Li
2021-05-21 16:56:59 +08:00
committed by Carlos Llamas
parent 1dc9f51423
commit 45850948d1
2 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/mutex.h
View File

@@ -19,6 +19,7 @@
#include <asm/processor.h>
#include <linux/osq_lock.h>
#include <linux/debug_locks.h>
#include <linux/android_vendor.h>
#ifdef CONFIG_DEBUG_LOCK_ALLOC
# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \
@@ -73,6 +74,7 @@ struct mutex {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
ANDROID_OEM_DATA_ARRAY(1, 2);
};
#ifdef CONFIG_DEBUG_MUTEXES

1
include/linux/rwsem.h
View File

@@ -66,6 +66,7 @@ struct rw_semaphore {
struct lockdep_map dep_map;
#endif
ANDROID_VENDOR_DATA(1);
ANDROID_OEM_DATA_ARRAY(1, 2);
};
enum rwsem_waiter_type {