powerpc/smp: do not decrement idle task preempt count in CPU offline
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit 53770a411559cf7bc0906d1df319cc533d2f4f58, it was introduced in version v5.10.50 by commit bdf4d33e8342b90386156204e1da0cdfdb4bf146. For more details please see the references link.