Merge branch 'fixes' into next

Merge in our fixes branch. In particular we want to merge the TM and KUAP fixes,
so we can add selftests for them in next.

diff --cc arch/powerpc/kernel/entry_32.S
Simple merge

diff --cc arch/powerpc/kernel/head_32.h
Simple merge

diff --cc arch/powerpc/mm/book3s32/hash_low.S
Simple merge

diff --cc arch/powerpc/mm/book3s32/mmu.c
Simple merge

diff --cc arch/powerpc/mm/kasan/kasan_init_32.c
Simple merge

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