kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-10-09 18:15:49 +00:00
Code Issues Releases Packages Activity
linux/arch/s390/kvm
History
Heiko Carstens 3e711bb440 KVM: s390: interrupt: use READ_ONCE() before cmpxchg() 
[ Upstream commit 42400d99e9 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-02-01 08:34:32 +01:00
..
diag.c KVM: s390: restore old debugfs names 2021-07-27 16:59:00 -04:00
gaccess.c KVM: s390: Pass initialized arg even if unused 2022-09-21 16:18:35 +02:00
gaccess.h KVM: s390: Cleanup ipte lock access and SIIF facility checks 2022-07-20 10:57:36 +02:00
guestdbg.c KVM: s390: Add memcg accounting to KVM allocations 2020-12-10 13:36:05 +01:00
intercept.c KVM: s390: pv: don't present the ecall interrupt twice 2022-07-19 15:48:14 +02:00
interrupt.c KVM: s390: interrupt: use READ_ONCE() before cmpxchg() 2023-02-01 08:34:32 +01:00
irq.h KVM: s390: Remove redundant license text 2017-12-06 09:18:42 +01:00
Kconfig KVM: s390: pv: add mmu_notifier 2022-07-19 12:05:57 +00:00
kvm-s390.c KVM: s390: pv: don't allow userspace to set the clock under PV 2022-11-07 10:14:15 +01:00
kvm-s390.h KVM: s390: pv: don't allow userspace to set the clock under PV 2022-11-07 10:14:15 +01:00
Makefile KVM: s390: pci: add basic kvm_zdev structure 2022-07-11 09:54:27 +02:00
pci.c KVM: s390: pci: Fix allocation size of aift kzdev elements 2022-11-07 10:14:15 +01:00
pci.h KVM: s390: pci: fix plain integer as NULL pointer warnings 2022-09-21 16:18:30 +02:00
priv.c KVM: s390: guest support for topology function 2022-07-20 10:57:36 +02:00
pv.c KVM: s390: pv: destroy the configuration before its memory 2022-07-19 12:06:56 +00:00
sigp.c KVM: s390: pv: don't present the ecall interrupt twice 2022-07-19 15:48:14 +02:00
trace-s390.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vsie.c KVM: s390: vsie: Fix the initialization of the epoch extension (epdx) field 2022-11-24 14:43:17 +01:00