kernel/arch/powerpc/include/asm/nohash, branch linux-5.2.y

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30T18:26:32Z

Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman

powerpc/32: make KVIRT_TOP dependent on FIXMAP_START

2019-05-02T15:20:26Z

When we add KASAN shadow area, KVIRT_TOP can't be anymore fixed at 0xfe000000. This patch uses FIXADDR_START to define KVIRT_TOP. Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: refactor pgd_alloc() and pgd_free() on nohash

2019-05-02T15:20:25Z

pgd_alloc() and pgd_free() are identical on nohash 32 and 64. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: refactor pmd_pgtable()

2019-05-02T15:20:25Z

pmd_pgtable() is identical on the 4 subarches, refactor it. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: refactor pgtable freeing functions on nohash

2019-05-02T15:20:25Z

pgtable_free() and others are identical on nohash/32 and 64, so move them into asm/nohash/pgalloc.h Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: Only keep one version of pmd_populate() functions on nohash/32

2019-05-02T15:20:25Z

Use IS_ENABLED(CONFIG_BOOKE) to make single versions of pmd_populate() and pmd_populate_kernel() Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: refactor definition of pgtable_cache[]

2019-05-02T15:20:25Z

pgtable_cache[] is the same for the 4 subarches, lets make it common. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: refactor pte_alloc_one() and pte_free() families definition.

2019-05-02T15:20:25Z

Functions pte_alloc_one(), pte_alloc_one_kernel(), pte_free(), pte_free_kernel() are identical for the four subarches. This patch moves their definition in a common place. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: inline pte_alloc_one_kernel() and pte_alloc_one() on PPC32

2019-05-02T15:20:25Z

pte_alloc_one_kernel() and pte_alloc_one() are simple calls to pte_fragment_alloc(), so they are good candidates for inlining as already done on PPC64. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman

powerpc/mm: get rid of nohash/32/mmu.h and nohash/64/mmu.h

2019-05-02T15:20:24Z

Those files have no real added values, especially the 64 bit which only includes the common book3e mmu.h which is also included from 32 bits side. So lets do the final inclusion directly from nohash/mmu.h Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman