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ANDROID: GKI: vendor code needs __balance_callbacks access

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Vendor module code needs to ensure that pushes to the balance
callback queue are handled prior to releasing rq locks.
Export __balance_callbacks to facilitate implementation of Qualcomm's
proprietary load tracking scheme, WALT via stated vendor module.

Bug: 241223356
Change-Id: I86a3f5cb6cc7b97d87bd2db3e11cb7a8d99d4aef
Signed-off-by: Stephen Dickey <quic_dickey@quicinc.com>
This commit is contained in:
Stephen Dickey 2022-07-29 12:38:11 -07:00 committed by Todd Kjos
parent 8b49160d23
commit 51ba045c81
1 changed files with 2 additions and 1 deletions
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3
kernel/sched/core.c
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@ -4973,10 +4973,11 @@ static inline struct callback_head *splice_balance_callbacks(struct rq *rq)
return __splice_balance_callbacks(rq, true);
}
static void __balance_callbacks(struct rq *rq)
void __balance_callbacks(struct rq *rq)
{
do_balance_callbacks(rq, __splice_balance_callbacks(rq, false));
}
EXPORT_SYMBOL_GPL(__balance_callbacks);
static inline void balance_callbacks(struct rq *rq, struct callback_head *head)
{