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Heiko Carstens 798dfeeae3 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>
History 2023-01-18 11:48:49 +01:00
..
alpha alpha: fix syscall entry in !AUDUT_SYSCALL case 2022-12-31 13:14:01 +01:00
arc arc: iounmap() arg is volatile 2022-11-03 23:59:15 +09:00
arm ARM: renumber bits related to _TIF_WORK_MASK 2023-01-12 11:59:05 +01:00
arm64 KVM: arm64: nvhe: Fix build with profile optimization 2023-01-18 11:48:47 +01:00
csky csky/kprobe: reclaim insn_slot on kprobe unregistration 2022-08-25 11:40:38 +02:00
h8300 Merge branch 'akpm' (patches from Andrew) 2021-09-08 12:55:35 -07:00
hexagon uaccess: fix integer overflow on access_ok() 2022-03-28 09:58:45 +02:00
ia64 ia64: export memory_add_physaddr_to_nid to fix cxl build error 2022-10-26 12:34:59 +02:00
m68k m68k: coldfire/device.c: protect FLEXCAN blocks 2022-08-25 11:40:05 +02:00
microblaze uaccess: fix nios2 and microblaze get_user_8() 2022-04-08 14:23:18 +02:00
mips MIPS: OCTEON: warn only once if deprecated link status is being used 2022-12-31 13:14:05 +01:00
nds32 nds32: fix access_ok() checks in get/put_user 2022-03-28 09:58:46 +02:00
nios2 nios2: add FORCE for vmlinuz.gz 2022-12-02 17:41:08 +01:00
openrisc openrisc: io: Define iounmap argument as volatile 2022-08-25 11:40:38 +02:00
parisc parisc: Align parisc MADV_XXX constants with all other architectures 2023-01-14 10:23:27 +01:00
powerpc powerpc/rtas: avoid scheduling in rtas_os_term() 2023-01-12 11:58:46 +01:00
riscv riscv, kprobes: Stricter c.jr/c.jalr decoding 2023-01-12 11:59:18 +01:00
s390 s390/percpu: add READ_ONCE() to arch_this_cpu_to_op_simple() 2023-01-18 11:48:49 +01:00
sh sh: machvec: Use char[] for section boundaries 2022-10-26 12:34:36 +02:00
sparc signal: Deliver SIGTRAP on perf event asynchronously if blocked 2022-06-09 10:22:48 +02:00
um UM: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK 2022-10-26 12:34:23 +02:00
x86 x86/fpu: Emulate XRSTOR's behavior if the xfeatures PKRU bit is not set 2023-01-14 10:23:27 +01:00
xtensa xtensa: iss: fix handling error cases in iss_net_configure() 2022-08-17 14:23:52 +02:00
.gitignore .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
Kconfig arch: make TRACE_IRQFLAGS_NMI_SUPPORT generic 2022-08-17 14:23:00 +02:00