linux-kernel - [PATCH 0/6] powerpc/8xx: implementation of huge pages

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Date:	Fri, 12 Aug 2016 18:55:44 +0200 (CEST)
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Scott Wood <oss@...error.net>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 0/6] powerpc/8xx: implementation of huge pages

This set provides implementation of huge pages on the 8xx

Christophe Leroy (6):
  powerpc: port 64 bits pgtable_cache to 32 bits
  powerpc: fix usage of _PAGE_RO in hugepage
  powerpc/8xx: use r3 to scratch CR in ITLBmiss
  powerpc/8xx: Move additional DTLBMiss handlers out of exception area
  powerpc/8xx: make user addr DTLB miss the short path
  powerpc/8xx: implementation of huge pages

 arch/powerpc/include/asm/book3s/32/pgalloc.h |  44 ++++-
 arch/powerpc/include/asm/book3s/32/pgtable.h |  43 ++---
 arch/powerpc/include/asm/book3s/64/pgtable.h |   5 +-
 arch/powerpc/include/asm/hugetlb.h           |  20 ++-
 arch/powerpc/include/asm/mmu-8xx.h           |  35 ++++
 arch/powerpc/include/asm/mmu.h               |  25 +--
 arch/powerpc/include/asm/nohash/32/pgalloc.h |  44 ++++-
 arch/powerpc/include/asm/nohash/32/pgtable.h |  45 ++---
 arch/powerpc/include/asm/nohash/32/pte-8xx.h |   1 +
 arch/powerpc/include/asm/nohash/64/pgtable.h |   2 -
 arch/powerpc/include/asm/nohash/pgtable.h    |   4 +
 arch/powerpc/include/asm/pgtable.h           |   2 +
 arch/powerpc/include/asm/reg_8xx.h           |   2 +-
 arch/powerpc/kernel/head_8xx.S               | 235 +++++++++++++++++++--------
 arch/powerpc/mm/Makefile                     |   2 +-
 arch/powerpc/mm/hugetlbpage.c                | 184 ++++++++-------------
 arch/powerpc/mm/init-common.c                | 152 +++++++++++++++++
 arch/powerpc/mm/init_32.c                    |   5 -
 arch/powerpc/mm/init_64.c                    |  82 ----------
 arch/powerpc/mm/pgtable_32.c                 |  37 -----
 arch/powerpc/mm/tlb_nohash.c                 |  21 ++-
 arch/powerpc/platforms/8xx/Kconfig           |   1 +
 arch/powerpc/platforms/Kconfig.cputype       |   1 +
 23 files changed, 603 insertions(+), 389 deletions(-)
 create mode 100644 arch/powerpc/mm/init-common.c

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2.1.0