projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| 66d1cac4 GKH |
1 | From foo@baz Thu Mar 29 08:53:48 CEST 2018 |
| 2 | From: Julian Wiedmann <jwi@linux.vnet.ibm.com> | |
| 3 | Date: Tue, 20 Mar 2018 07:59:13 +0100 | |
| 4 | Subject: s390/qeth: when thread completes, wake up all waiters | |
| 5 | ||
| 6 | From: Julian Wiedmann <jwi@linux.vnet.ibm.com> | |
| 7 | ||
| 8 | ||
| 9 | [ Upstream commit 1063e432bb45be209427ed3f1ca3908e4aa3c7d7 ] | |
| 10 | ||
| 11 | qeth_wait_for_threads() is potentially called by multiple users, make | |
| 12 | sure to notify all of them after qeth_clear_thread_running_bit() | |
| 13 | adjusted the thread_running_mask. With no timeout, callers would | |
| 14 | otherwise stall. | |
| 15 | ||
| 16 | Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> | |
| 17 | Signed-off-by: David S. Miller <davem@davemloft.net> | |
| 18 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| 19 | --- | |
| 20 | drivers/s390/net/qeth_core_main.c | 2 +- | |
| 21 | 1 file changed, 1 insertion(+), 1 deletion(-) | |
| 22 | ||
| 23 | --- a/drivers/s390/net/qeth_core_main.c | |
| 24 | +++ b/drivers/s390/net/qeth_core_main.c | |
| 25 | @@ -944,7 +944,7 @@ void qeth_clear_thread_running_bit(struc | |
| 26 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
| 27 | card->thread_running_mask &= ~thread; | |
| 28 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
| 29 | - wake_up(&card->wait_q); | |
| 30 | + wake_up_all(&card->wait_q); | |
| 31 | } | |
| 32 | EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit); | |
| 33 |