Linux kernel bug fix: x86/split_lock: Don't write MSR_TEST_CTRL on CPUs that aren't whitelisted
Subsystem: arch/x86 (arch/x86/kernel/cpu/intel.c)
Bug type: crash, severity: security
Files changed: arch/x86/kernel/cpu/intel.c
Introduced by Xiaoyao Li on 2020-03-27 11:43:29 +0100; fixed by Sean Christopherson on 2020-06-30 14:09:31 +0200 (lifetime: 95 days)