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Filename Latest commit message Latest commit date
Robin Murphy 175967318c mm: introduce ARCH_HAS_PTE_DEVMAP
ARCH_HAS_ZONE_DEVICE is somewhat meaningless in itself, and combined
with the long-out-of-date comment can lead to the impression than an
architecture may just enable it (since __add_pages() now "comprehends
device memory" for itself) and expect things to work.

In practice, however, ZONE_DEVICE users have little chance of
functioning correctly without __HAVE_ARCH_PTE_DEVMAP, so let's clean
that up the same way as ARCH_HAS_PTE_SPECIAL and make it the proper
dependency so the real situation is clearer.

Link: http://lkml.kernel.org/r/87554aa78478a02a63f2c4cf60a847279ae3eb3b.1558547956.git.robin.murphy@arm.com
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-16 19:23:25 -07:00
arch mm: introduce ARCH_HAS_PTE_DEVMAP 2019-07-16 19:23:25 -07:00
block
certs
crypto
Documentation coda: change Coda's user api to use 64-bit time_t in timespec 2019-07-16 19:23:23 -07:00
drivers device-dax: "Hotremove" persistent memory that is used like normal RAM 2019-07-16 19:23:24 -07:00
fs select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining() 2019-07-16 19:23:24 -07:00
include mm: introduce ARCH_HAS_PTE_DEVMAP 2019-07-16 19:23:25 -07:00
init init/Kconfig: fix neighboring typos 2019-07-16 19:23:22 -07:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-07-16 19:23:24 -07:00
kernel kernel/pid.c: convert struct pid count to refcount_t 2019-07-16 19:23:24 -07:00
lib lib/rbtree: avoid generating code twice for the cached versions 2019-07-16 19:23:22 -07:00
LICENSES
mm mm: introduce ARCH_HAS_PTE_DEVMAP 2019-07-16 19:23:25 -07:00
net pci-v5.3-changes 2019-07-15 20:44:49 -07:00
samples
scripts scripts/gdb: add helpers to find and list devices 2019-07-16 19:23:24 -07:00
security
sound kernel: fix typos and some coding style in comments 2019-07-16 19:23:21 -07:00
tools selftests/ptrace: add a test case for PTRACE_GET_SYSCALL_INFO 2019-07-16 19:23:24 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS for-linus-20190715 2019-07-15 21:20:52 -07:00
Makefile
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.