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ANDROID: GKI: Add OEM data to mutex/rwsem

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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>
This commit is contained in:
Liangliang Li 2021-05-21 16:56:59 +08:00 • committed by Todd Kjos
commit 372b24bad2
2 changed files with 3 additions and 0 deletions
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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>
struct ww_acquire_ctx;
@ -63,6 +64,7 @@ struct mutex {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
ANDROID_OEM_DATA_ARRAY(1, 2);
};
struct ww_class;

1
include/linux/rwsem.h
View file

@ -53,6 +53,7 @@ struct rw_semaphore {
struct lockdep_map dep_map;
#endif
ANDROID_VENDOR_DATA(1);
ANDROID_OEM_DATA_ARRAY(1, 2);
};
enum rwsem_waiter_type {