[GIT PULL] Please pull powerpc/linux.git powerpc-4.8-2 tag

From: Michael Ellerman
Date: Fri Aug 05 2016 - 06:53:33 EST

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Hi Linus,

Please pull some more powerpc updates for 4.8.

These were delayed for various reasons, so I let them sit in next a bit
longer, rather than including them in my first pull request.

There's one conflict in kernel/jump_label.c, the resolution is simply to
take both sides changes.

The following changes since commit bad60e6f259a01cf9f29a1ef8d435ab6c60b2de9:

Merge tag 'powerpc-4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux (2016-07-30 21:01:36 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-4.8-2

for you to fetch changes up to eea8148c69f3aecbf297b12943a591467a1fb432:

powerpc/mm: Move register_process_table() out of ppc_md (2016-08-04 20:22:34 +1000)

----------------------------------------------------------------
powerpc updates for 4.8 #2

Fixes:
- Fix early access to cpu_spec relocation from Benjamin Herrenschmidt
- Fix incorrect event codes in power9-event-list from Madhavan Srinivasan
- Move register_process_table() out of ppc_md from Michael Ellerman

Use jump_label for [cpu|mmu]_has_feature() from Aneesh Kumar K.V, Kevin Hao and Michael Ellerman:
- Add mmu_early_init_devtree() from Michael Ellerman
- Move disable_radix handling into mmu_early_init_devtree() from Michael Ellerman
- Do hash device tree scanning earlier from Michael Ellerman
- Do radix device tree scanning earlier from Michael Ellerman
- Do feature patching before MMU init from Michael Ellerman
- Check features don't change after patching from Michael Ellerman
- Make MMU_FTR_RADIX a MMU family feature from Aneesh Kumar K.V
- Convert mmu_has_feature() to returning bool from Michael Ellerman
- Convert cpu_has_feature() to returning bool from Michael Ellerman
- Define radix_enabled() in one place & use static inline from Michael Ellerman
- Add early_[cpu|mmu]_has_feature() from Michael Ellerman
- Convert early cpu/mmu feature check to use the new helpers from Aneesh Kumar K.V
- jump_label: Make it possible for arches to invoke jump_label_init() earlier from Kevin Hao
- Call jump_label_init() in apply_feature_fixups() from Aneesh Kumar K.V
- Remove mfvtb() from Kevin Hao
- Move cpu_has_feature() to a separate file from Kevin Hao
- Add kconfig option to use jump labels for cpu/mmu_has_feature() from Michael Ellerman
- Add option to use jump label for cpu_has_feature() from Kevin Hao
- Add option to use jump label for mmu_has_feature() from Kevin Hao
- Catch usage of cpu/mmu_has_feature() before jump label init from Aneesh Kumar K.V
- Annotate jump label assembly from Michael Ellerman

TLB flush enhancements from Aneesh Kumar K.V:
- radix: Implement tlb mmu gather flush efficiently
- Add helper for finding SLBE LLP encoding
- Use hugetlb flush functions
- Drop multiple definition of mm_is_core_local
- radix: Add tlb flush of THP ptes
- radix: Rename function and drop unused arg
- radix/hugetlb: Add helper for finding page size
- hugetlb: Add flush_hugetlb_tlb_range
- remove flush_tlb_page_nohash

Add new ptrace regsets from Anshuman Khandual and Simon Guo:
- elf: Add powerpc specific core note sections
- Add the function flush_tmregs_to_thread
- Enable in transaction NT_PRFPREG ptrace requests
- Enable in transaction NT_PPC_VMX ptrace requests
- Enable in transaction NT_PPC_VSX ptrace requests
- Adapt gpr32_get, gpr32_set functions for transaction
- Enable support for NT_PPC_CGPR
- Enable support for NT_PPC_CFPR
- Enable support for NT_PPC_CVMX
- Enable support for NT_PPC_CVSX
- Enable support for TM SPR state
- Enable NT_PPC_TM_CTAR, NT_PPC_TM_CPPR, NT_PPC_TM_CDSCR
- Enable support for NT_PPPC_TAR, NT_PPC_PPR, NT_PPC_DSCR
- Enable support for EBB registers
- Enable support for Performance Monitor registers

----------------------------------------------------------------
Aneesh Kumar K.V (13):
powerpc/mm: Make MMU_FTR_RADIX a MMU family feature
powerpc/mm: Convert early cpu/mmu feature check to use the new helpers
powerpc: Call jump_label_init() in apply_feature_fixups()
powerpc/mm: Catch usage of cpu/mmu_has_feature() before jump label init
powerpc/mm/radix: Implement tlb mmu gather flush efficiently
powerpc/mm/hash: Add helper for finding SLBE LLP encoding
powerpc/mm: Use hugetlb flush functions
powerpc/mm: Drop multiple definition of mm_is_core_local
powerpc/mm/radix: Add tlb flush of THP ptes
powerpc/mm/radix: Rename function and drop unused arg
powerpc/mm/radix/hugetlb: Add helper for finding page size from hstate
powerpc/mm/hugetlb: Add flush_hugetlb_tlb_range
powerpc/mm: remove flush_tlb_page_nohash

Anshuman Khandual (15):
elf: Add powerpc specific core note sections
powerpc/process: Add the function flush_tmregs_to_thread
powerpc/ptrace: Enable in transaction NT_PRFPREG ptrace requests
powerpc/ptrace: Enable in transaction NT_PPC_VMX ptrace requests
powerpc/ptrace: Enable in transaction NT_PPC_VSX ptrace requests
powerpc/ptrace: Adapt gpr32_get, gpr32_set functions for transaction
powerpc/ptrace: Enable support for NT_PPC_CGPR
powerpc/ptrace: Enable support for NT_PPC_CFPR
powerpc/ptrace: Enable support for NT_PPC_CVMX
powerpc/ptrace: Enable support for NT_PPC_CVSX
powerpc/ptrace: Enable support for TM SPR state
powerpc/ptrace: Enable NT_PPC_TM_CTAR, NT_PPC_TM_CPPR, NT_PPC_TM_CDSCR
powerpc/ptrace: Enable support for NT_PPPC_TAR, NT_PPC_PPR, NT_PPC_DSCR
powerpc/ptrace: Enable support for EBB registers
powerpc/ptrace: Enable support for Performance Monitor registers

Benjamin Herrenschmidt (1):
powerpc/32: Fix early access to cpu_spec relocation

Kevin Hao (5):
jump_label: Make it possible for arches to invoke jump_label_init() earlier
powerpc: Remove mfvtb()
powerpc: Move cpu_has_feature() to a separate file
powerpc: Add option to use jump label for cpu_has_feature()
powerpc: Add option to use jump label for mmu_has_feature()

Madhavan Srinivasan (1):
powerpc/perf: Fix incorrect event codes in power9-event-list

Michael Ellerman (13):
powerpc/mm: Add mmu_early_init_devtree()
powerpc/mm: Move disable_radix handling into mmu_early_init_devtree()
powerpc/mm: Do hash device tree scanning earlier
powerpc/mm: Do radix device tree scanning earlier
powerpc/64: Do feature patching before MMU init
powerpc/kernel: Check features don't change after patching
powerpc/kernel: Convert mmu_has_feature() to returning bool
powerpc/kernel: Convert cpu_has_feature() to returning bool
powerpc/mm: Define radix_enabled() in one place & use static inline
powerpc/mm: Add early_[cpu|mmu]_has_feature()
powerpc: Add kconfig option to use jump labels for cpu/mmu_has_feature()
powerpc/jump_label: Annotate jump label assembly
powerpc/mm: Move register_process_table() out of ppc_md

arch/powerpc/Kconfig.debug | 19 +
arch/powerpc/include/asm/book3s/64/hugetlb-radix.h | 15 +
arch/powerpc/include/asm/book3s/64/mmu-hash.h | 10 +
arch/powerpc/include/asm/book3s/64/mmu.h | 16 +-
arch/powerpc/include/asm/book3s/64/tlbflush-hash.h | 5 -
.../powerpc/include/asm/book3s/64/tlbflush-radix.h | 16 +-
arch/powerpc/include/asm/book3s/64/tlbflush.h | 27 +-
arch/powerpc/include/asm/cacheflush.h | 1 +
arch/powerpc/include/asm/cpu_has_feature.h | 53 +
arch/powerpc/include/asm/cputable.h | 15 +-
arch/powerpc/include/asm/cputime.h | 1 +
arch/powerpc/include/asm/dbell.h | 1 +
arch/powerpc/include/asm/dcr-native.h | 1 +
arch/powerpc/include/asm/hugetlb.h | 2 +-
arch/powerpc/include/asm/jump_label.h | 4 +-
arch/powerpc/include/asm/kvm_book3s_64.h | 3 +-
arch/powerpc/include/asm/machdep.h | 2 -
arch/powerpc/include/asm/mman.h | 1 +
arch/powerpc/include/asm/mmu.h | 98 +-
arch/powerpc/include/asm/reg.h | 9 -
arch/powerpc/include/asm/switch_to.h | 8 +
arch/powerpc/include/asm/time.h | 3 +-
arch/powerpc/include/asm/tlb.h | 13 +
arch/powerpc/include/asm/tlbflush.h | 1 -
arch/powerpc/include/asm/xor.h | 1 +
arch/powerpc/include/uapi/asm/elf.h | 5 +
arch/powerpc/kernel/align.c | 1 +
arch/powerpc/kernel/cputable.c | 37 +
arch/powerpc/kernel/entry_64.S | 2 +-
arch/powerpc/kernel/exceptions-64s.S | 8 +-
arch/powerpc/kernel/idle_book3s.S | 2 +-
arch/powerpc/kernel/irq.c | 1 +
arch/powerpc/kernel/paca.c | 2 +-
arch/powerpc/kernel/process.c | 21 +
arch/powerpc/kernel/prom.c | 17 +-
arch/powerpc/kernel/ptrace.c | 1740 ++++++++++++++++++--
arch/powerpc/kernel/setup-common.c | 1 +
arch/powerpc/kernel/setup_32.c | 1 +
arch/powerpc/kernel/setup_64.c | 10 +-
arch/powerpc/kernel/smp.c | 1 +
arch/powerpc/lib/feature-fixups.c | 39 +-
arch/powerpc/mm/hash_native_64.c | 8 +-
arch/powerpc/mm/hash_utils_64.c | 53 +-
arch/powerpc/mm/hugetlbpage-radix.c | 39 +-
arch/powerpc/mm/init_64.c | 22 +
arch/powerpc/mm/pgtable-book3s64.c | 7 +-
arch/powerpc/mm/pgtable-radix.c | 7 +-
arch/powerpc/mm/pgtable.c | 2 +-
arch/powerpc/mm/tlb-radix.c | 90 +-
arch/powerpc/mm/tlb_hash32.c | 11 -
arch/powerpc/mm/tlb_nohash.c | 6 -
arch/powerpc/perf/power9-events-list.h | 6 +-
arch/powerpc/platforms/cell/pervasive.c | 1 +
arch/powerpc/xmon/ppc-dis.c | 1 +
include/uapi/linux/elf.h | 13 +
kernel/jump_label.c | 3 +
mm/hugetlb.c | 10 +-
57 files changed, 2178 insertions(+), 314 deletions(-)
create mode 100644 arch/powerpc/include/asm/cpu_has_feature.h

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