mirror-linux/arch/s390
Heiko Carstens b6ac9ded42 s390/percpu: add READ_ONCE() to arch_this_cpu_to_op_simple()
commit e3f360db08 upstream.

Make sure that *ptr__ within arch_this_cpu_to_op_simple() is only
dereferenced once by using READ_ONCE(). Otherwise the compiler could
generate incorrect code.

Cc: <stable@vger.kernel.org>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-18 11:58:12 +01:00
..
appldata s390/appldata: use struct_size() helper 2020-06-29 16:32:34 +02:00
boot s390: always build relocatable kernel 2022-11-08 19:32:32 +01:00
configs s390/configs: add kasan.config addon config file 2022-11-08 19:32:32 +01:00
crypto crypto: Kconfig - simplify cipher entries 2022-08-26 18:50:43 +08:00
hypfs s390/hypfs: avoid error message under KVM 2022-08-15 17:19:51 +02:00
include s390/percpu: add READ_ONCE() to arch_this_cpu_to_op_simple() 2023-01-18 11:58:12 +01:00
kernel s390/cpum_sf: add READ_ONCE() semantics to compare and swap loops 2023-01-18 11:58:12 +01:00
kvm KVM: s390: vsie: Fix the initialization of the epoch extension (epdx) field 2022-11-24 14:43:17 +01:00
lib s390/uaccess: add missing EX_TABLE entries to __clear_user() 2022-10-26 14:47:30 +02:00
mm treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
net s390/bpf: Fix typo in comment 2022-05-23 11:25:53 -07:00
pci s390/pci: add missing EX_TABLE entries to __pcistg_mio_inuser()/__pcilg_mio_inuser() 2022-10-26 14:47:31 +02:00
purgatory s390/purgatory: remove duplicated build rule of kexec-purgatory.o 2022-06-30 14:18:16 +02:00
tools KVM: s390: Add facility 197 to the allow list 2022-07-13 15:25:25 +02:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig s390: always build relocatable kernel 2022-11-08 19:32:32 +01:00
Kconfig.debug s390/Kconfig.debug: fix indentation 2022-06-01 12:03:15 +02:00
Makefile s390: always build relocatable kernel 2022-11-08 19:32:32 +01:00