From: Dmitry Safonov <dsafonov@virtuozzo.com>
To: linux-kernel@vger.kernel.org
Cc: Dmitry Safonov <dsafonov@virtuozzo.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Andy Lutomirski <luto@amacapital.net>,
Oleg Nesterov <oleg@redhat.com>,
linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
Laurent Dufour <ldufour@linux.vnet.ibm.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCHv3 0/8] powerpc/mm: refactor vDSO mapping code
Date: Thu, 27 Oct 2016 20:09:40 +0300 [thread overview]
Message-ID: <20161027170948.8279-1-dsafonov@virtuozzo.com> (raw)
Changes since v1, v2:
- use vdso64_pages only under CONFIG_PPC64 (32-bit build fix)
- remove arch_vma_name helper as not needed anymore,
simplify vdso_base pointer initializing in map_vdso()
Cleanup patches for vDSO on powerpc.
Originally, I wanted to add vDSO remapping on arm/aarch64 and
I decided to cleanup that part on powerpc.
I've add a hook for vm_ops for vDSO just like I did for x86,
which makes cross-arch arch_mremap hook no more needed.
Other changes - reduce exhaustive code duplication by
separating the common vdso code.
No visible to userspace changes expected.
Tested on qemu with buildroot rootfs.
Dmitry Safonov (8):
powerpc/vdso: unify return paths in setup_additional_pages
powerpc/vdso: remove unused params in vdso_do_func_patch{32,64}
powerpc/vdso: separate common code in vdso_common
powerpc/vdso: introduce init_vdso{32,64}_pagelist
powerpc/vdso: split map_vdso from arch_setup_additional_pages
powerpc/vdso: switch from legacy_special_mapping_vmops
mm: kill arch_mremap
powerpc/vdso: remove arch_vma_name
arch/alpha/include/asm/Kbuild | 1 -
arch/arc/include/asm/Kbuild | 1 -
arch/arm/include/asm/Kbuild | 1 -
arch/arm64/include/asm/Kbuild | 1 -
arch/avr32/include/asm/Kbuild | 1 -
arch/blackfin/include/asm/Kbuild | 1 -
arch/c6x/include/asm/Kbuild | 1 -
arch/cris/include/asm/Kbuild | 1 -
arch/frv/include/asm/Kbuild | 1 -
arch/h8300/include/asm/Kbuild | 1 -
arch/hexagon/include/asm/Kbuild | 1 -
arch/ia64/include/asm/Kbuild | 1 -
arch/m32r/include/asm/Kbuild | 1 -
arch/m68k/include/asm/Kbuild | 1 -
arch/metag/include/asm/Kbuild | 1 -
arch/microblaze/include/asm/Kbuild | 1 -
arch/mips/include/asm/Kbuild | 1 -
arch/mn10300/include/asm/Kbuild | 1 -
arch/nios2/include/asm/Kbuild | 1 -
arch/openrisc/include/asm/Kbuild | 1 -
arch/parisc/include/asm/Kbuild | 1 -
arch/powerpc/include/asm/mm-arch-hooks.h | 28 --
arch/powerpc/kernel/vdso.c | 502 +++++--------------------------
arch/powerpc/kernel/vdso_common.c | 248 +++++++++++++++
arch/s390/include/asm/Kbuild | 1 -
arch/score/include/asm/Kbuild | 1 -
arch/sh/include/asm/Kbuild | 1 -
arch/sparc/include/asm/Kbuild | 1 -
arch/tile/include/asm/Kbuild | 1 -
arch/um/include/asm/Kbuild | 1 -
arch/unicore32/include/asm/Kbuild | 1 -
arch/x86/include/asm/Kbuild | 1 -
arch/xtensa/include/asm/Kbuild | 1 -
include/asm-generic/mm-arch-hooks.h | 16 -
include/linux/mm-arch-hooks.h | 25 --
mm/mremap.c | 4 -
36 files changed, 324 insertions(+), 529 deletions(-)
delete mode 100644 arch/powerpc/include/asm/mm-arch-hooks.h
create mode 100644 arch/powerpc/kernel/vdso_common.c
delete mode 100644 include/asm-generic/mm-arch-hooks.h
delete mode 100644 include/linux/mm-arch-hooks.h
--
2.10.1
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next reply other threads:[~2016-10-27 17:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 17:09 Dmitry Safonov [this message]
2016-10-27 17:09 ` [PATCHv3 1/8] powerpc/vdso: unify return paths in setup_additional_pages Dmitry Safonov
2016-11-08 0:10 ` Michael Ellerman
2016-11-08 12:29 ` Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 2/8] powerpc/vdso: remove unused params in vdso_do_func_patch{32,64} Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 3/8] powerpc/vdso: separate common code in vdso_common Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 4/8] powerpc/vdso: introduce init_vdso{32,64}_pagelist Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 5/8] powerpc/vdso: split map_vdso from arch_setup_additional_pages Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 6/8] powerpc/vdso: switch from legacy_special_mapping_vmops Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 7/8] mm: kill arch_mremap Dmitry Safonov
2016-10-27 17:09 ` [PATCHv3 8/8] powerpc/vdso: remove arch_vma_name Dmitry Safonov
2016-11-07 11:21 ` [PATCHv3 0/8] powerpc/mm: refactor vDSO mapping code Dmitry Safonov
2016-11-07 23:57 ` Michael Ellerman
2016-11-08 12:47 ` Dmitry Safonov
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