Linux kernel bug fix: powerpc/mm: Add tracking of the number of coprocessors using a context
Subsystem: arch/powerpc (arch/powerpc/include/asm/book3s/64/mmu.h)
Bug type: crash, severity: high
Files changed: arch/powerpc/include/asm/book3s/64/mmu.h;arch/powerpc/include/asm/mmu_context.h;arch/powerpc/mm/mmu_context_book3s64.c
Introduced by Frederic Barrat on 2017-09-28 17:09:16 +1000; fixed by Benjamin Herrenschmidt on 2018-03-23 14:14:31 +1100 (lifetime: 175 days)