Linux kernel bug fix: powerpc/security: Use a mutex for interrupt exit code patching
Subsystem: arch/powerpc (arch/powerpc/lib/feature-fixups.c)
Bug type: crash, severity: security
Files changed: arch/powerpc/lib/feature-fixups.c
Introduced by Nicholas Piggin on 2021-06-25 00:06:56 +1000; fixed by Russell Currey on 2021-10-28 17:23:58 +1100 (lifetime: 125 days)