The purpose of this serie is to use BATs with STRICT_KERNEL_RWX See patch 12 for details.
Christophe Leroy (13): powerpc/mm: add exec protection on powerpc 603 powerpc/mm/32: add base address to mmu_mapin_ram() powerpc/mm/32s: rework mmu_mapin_ram() powerpc/mm/32s: use generic mmu_mapin_ram() for all blocks. powerpc/wii: remove wii_mmu_mapin_mem2() powerpc/mm/32s: use _PAGE_EXEC in setbat() powerpc/mm/32s: add setibat() clearibat() and update_bats() powerpc/32: add helper to write into segment registers powerpc/mmu: add is_strict_kernel_rwx() helper powerpc/kconfig: define PAGE_SHIFT inside Kconfig powerpc/kconfig: define CONFIG_DATA_SHIFT and CONFIG_ETEXT_SHIFT powerpc/mm/32s: Use BATs for STRICT_KERNEL_RWX powerpc/kconfig: make _etext and data areas alignment configurable on Book3s 32 arch/powerpc/Kconfig | 46 +++++++ arch/powerpc/include/asm/book3s/32/hash.h | 1 + arch/powerpc/include/asm/book3s/32/mmu-hash.h | 2 + arch/powerpc/include/asm/book3s/32/pgtable.h | 29 ++-- arch/powerpc/include/asm/cputable.h | 8 +- arch/powerpc/include/asm/mmu.h | 11 ++ arch/powerpc/include/asm/page.h | 13 +- arch/powerpc/include/asm/reg.h | 5 + arch/powerpc/kernel/head_32.S | 37 ++++- arch/powerpc/kernel/vmlinux.lds.S | 9 +- arch/powerpc/mm/40x_mmu.c | 2 +- arch/powerpc/mm/44x_mmu.c | 2 +- arch/powerpc/mm/8xx_mmu.c | 2 +- arch/powerpc/mm/dump_linuxpagetables-generic.c | 2 - arch/powerpc/mm/fsl_booke_mmu.c | 2 +- arch/powerpc/mm/init_32.c | 6 +- arch/powerpc/mm/mmu_decl.h | 10 +- arch/powerpc/mm/pgtable.c | 20 +-- arch/powerpc/mm/pgtable_32.c | 35 +++-- arch/powerpc/mm/ppc_mmu_32.c | 178 +++++++++++++++++++++---- arch/powerpc/platforms/embedded6xx/wii.c | 24 ---- 21 files changed, 324 insertions(+), 120 deletions(-) -- 2.13.3