Heiko Carstens 42400d99e9 KVM: s390: interrupt: use READ_ONCE() before cmpxchg()
Use READ_ONCE() before cmpxchg() to prevent that the compiler generates
code that fetches the to be compared old value several times from memory.

Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20230109145456.2895385-1-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2023-01-11 15:28:47 +01:00
..
2022-12-13 19:29:45 -08:00
2022-12-13 19:29:45 -08:00
2022-12-19 16:07:59 -06:00
2022-12-21 09:37:14 -08:00
2022-12-19 07:51:30 -06:00
2022-12-13 19:29:45 -08:00
2022-12-19 08:23:27 -06:00
2022-12-13 19:29:45 -08:00
2022-12-23 10:49:45 -08:00
2022-12-13 19:29:45 -08:00
2022-12-13 19:29:45 -08:00
2022-12-21 18:52:15 -08:00
2022-12-13 19:29:45 -08:00
2022-12-17 14:06:53 -06:00
2022-12-13 19:29:45 -08:00
2022-12-16 13:46:41 -06:00