Linux kernel bug fix: powerpc/32: Preserve cr1 in exception prolog stack check to fix build error
Subsystem: arch/powerpc (arch/powerpc/kernel/head_book3s_32.S)
Bug type: buffer-overflow, severity: medium
Files changed: arch/powerpc/kernel/head_32.h;arch/powerpc/kernel/head_book3s_32.S
Introduced by Christophe Leroy on 2021-01-04 23:59:25 +1100; fixed by Christophe Leroy on 2021-02-11 23:35:06 +1100 (lifetime: 37 days)