Merge branch 'fixes' into next

Merge our fixes branch, a few of them are tripping people up while
working on top of next, and we also have a dependency between the CXL
fixes and new CXL code we want to merge into next.

diff --cc arch/powerpc/Kconfig
Simple merge

diff --cc arch/powerpc/include/asm/processor.h
Simple merge

diff --cc arch/powerpc/kernel/exceptions-64s.S
Simple merge

diff --cc arch/powerpc/kernel/process.c
Simple merge

diff --cc arch/powerpc/kernel/setup-common.c
Simple merge

diff --cc arch/powerpc/mm/mmu_context_book3s64.c
Simple merge

diff --cc arch/powerpc/perf/power9-pmu.c
Simple merge

diff --cc arch/powerpc/platforms/powernv/subcore.c
Simple merge

diff --cc arch/powerpc/platforms/pseries/hotplug-memory.c
Simple merge

diff --cc arch/powerpc/sysdev/xive/common.c
Simple merge