Dan Williams c7da82b894 mm: replace pmd_write with pmd_access_permitted in fault + gup paths ...

The 'access_permitted' helper is used in the gup-fast path and goes
beyond the simple _PAGE_RW check to also:

 - validate that the mapping is writable from a protection keys
   standpoint

 - validate that the pte has _PAGE_USER set since all fault paths where
   pmd_write is must be referencing user-memory.

Link: http://lkml.kernel.org/r/151043111049.2842.15241454964150083466.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2017-11-29 18:40:42 -08:00

..

alpha

treewide: setup_timer() -> timer_setup()

2017-11-21 15:57:07 -08:00

arc

Merge tag 'arc-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

2017-11-25 08:21:54 -10:00

arm

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

arm64

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

blackfin

treewide: setup_timer() -> timer_setup()

2017-11-21 15:57:07 -08:00

c6x

Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-11-17 17:45:29 -08:00

cris

Merge tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

2017-11-15 15:01:28 -08:00

frv

Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-11-17 17:45:29 -08:00

h8300

mm, arch: remove empty_bad_page*

2017-11-15 18:21:03 -08:00

hexagon

Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-11-17 17:45:29 -08:00

ia64

arch/ia64/include/asm/topology.h: remove unused parent_node() macro

2017-11-17 16:10:04 -08:00

m32r

m32r: fix endianness constraints

2017-11-15 18:21:00 -08:00

m68k

m68k/macboing: Fix missed timer callback assignment

2017-11-24 16:19:40 +01:00

metag

Merge tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2017-11-14 18:25:40 -08:00

microblaze

Merge tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2017-11-14 18:25:40 -08:00

mips

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

mn10300

bug: define the "cut here" string in a single place

2017-11-17 16:10:01 -08:00

nios2

Merge tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2017-11-14 18:25:40 -08:00

openrisc

kmemcheck: remove annotations

2017-11-15 18:21:04 -08:00

parisc

treewide: Switch DEFINE_TIMER callbacks to struct timer_list *

2017-11-21 15:57:05 -08:00

powerpc

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

riscv

Merge tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux

2017-11-15 10:49:15 -08:00

s390

mm: replace pud_write with pud_access_permitted in fault + gup paths

2017-11-29 18:40:42 -08:00

score

License cleanup: add SPDX license identifier to uapi header files with no license

2017-11-02 11:19:54 +01:00

sh

treewide: setup_timer() -> timer_setup()

2017-11-21 15:57:07 -08:00

sparc

mm: replace pmd_write with pmd_access_permitted in fault + gup paths

2017-11-29 18:40:42 -08:00

tile

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

um

Merge tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd

2017-11-22 20:46:06 -10:00

unicore32

kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK

2017-11-15 18:21:04 -08:00

x86

mm: switch to 'define pmd_write' instead of __HAVE_ARCH_PMD_WRITE

2017-11-29 18:40:42 -08:00

xtensa

Merge tag 'libnvdimm-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

2017-11-17 09:51:57 -08:00

.gitignore

…

Kconfig

bpf: Revert bpf_overrid_function() helper changes.

2017-11-11 18:24:55 +09:00