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ANDROID: vendor_hooks: Add hooks for mutex

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Current might be preempt after spin_unlock(&lock->wait_lock),
we want to add a hook after wake_up_q(&wake_q) in which to
disable owner's privilege in scheduler.

Bug: 231647361
Change-Id: I3016da2fd31b8bdc8435df4e800f91381a64af4f
Signed-off-by: Liujie Xie <xieliujie@oppo.com>
This commit is contained in:
Liujie Xie
2022-05-06 14:04:56 +08:00
parent 0780756946
commit 2f55d5cbe2
3 changed files with 5 additions and 0 deletions
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drivers/android/vendor_hooks.c
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@@ -241,6 +241,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_build_sched_domains);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_mutex_list_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_unlock_slowpath);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_unlock_slowpath_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_undefinstr);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_ptrauth_fault);