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Use Release/Acquire instead of SeqCst for is_bank_drop_callback_enabled (#24134)

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Brooks Prumo 2022-04-11 19:19:17 -05:00 committed by GitHub
parent 6fbe2b936c
commit 4fd184c131
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1 changed files with 2 additions and 2 deletions
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4
runtime/src/accounts_db.rs
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@ -4037,7 +4037,7 @@ impl AccountsDb {
pruned_banks_sender: DroppedSlotsSender,
) -> SendDroppedBankCallback {
self.is_bank_drop_callback_enabled
.store(true, Ordering::SeqCst);
.store(true, Ordering::Release);
SendDroppedBankCallback::new(pruned_banks_sender)
}
@ -4045,7 +4045,7 @@ impl AccountsDb {
/// comment below for more explanation.
/// `is_from_abs` is true if the caller is the AccountsBackgroundService
pub fn purge_slot(&self, slot: Slot, bank_id: BankId, is_from_abs: bool) {
if self.is_bank_drop_callback_enabled.load(Ordering::SeqCst) && !is_from_abs {
if self.is_bank_drop_callback_enabled.load(Ordering::Acquire) && !is_from_abs {
panic!("bad drop callpath detected; Bank::drop() must run serially with other logic in ABS like clean_accounts()")
}
// BANK_DROP_SAFETY: Because this function only runs once the bank is dropped,