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Christoph Hellwig a5008b59cd dma-direct: only limit the mapping size if swiotlb could be used 
Don't just check for a swiotlb buffer, but also if buffering might
be required for this particular device.

Fixes: 133d624b1c ("dma: Introduce dma_max_mapping_size()")
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2019-07-17 08:25:45 +02:00
arch
dma-direct: Force unencrypted DMA under SME for certain DMA masks
2019-07-16 22:15:46 +02:00
block
block: Limit zone array allocation size
2019-07-11 20:04:40 -06:00
certs
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
crypto
Merge tag 'usb-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2019-07-11 15:40:06 -07:00
Documentation
Merge tag 'for-linus-20190715' of git://git.kernel.dk/linux-block
2019-07-15 21:20:52 -07:00
drivers
Merge tag 'for-linus-20190715' of git://git.kernel.dk/linux-block
2019-07-15 21:20:52 -07:00
fs
Merge tag 'for-linus-20190715' of git://git.kernel.dk/linux-block
2019-07-15 21:20:52 -07:00
include
dma-mapping: add a dma_addressing_limited helper
2019-07-17 08:25:40 +02:00
init
Merge tag 'kbuild-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-07-12 16:03:16 -07:00
ipc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
kernel
dma-direct: only limit the mapping size if swiotlb could be used
2019-07-17 08:25:45 +02:00
lib
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2019-07-15 20:38:15 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next"
2019-07-16 04:07:13 +10:00
net
Merge tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2019-07-15 20:44:49 -07:00
samples
Merge tag 'kbuild-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-07-12 16:03:16 -07:00
scripts
Merge tag 'stream_open-5.3' of https://lab.nexedi.com/kirr/linux
2019-07-14 17:08:08 -07:00
security
Merge branch 'akpm' (patches from Andrew)
2019-07-12 11:40:28 -07:00
sound
Merge tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-07-12 12:24:03 -07:00
tools
Merge tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2019-07-15 20:44:49 -07:00
usr
kbuild: compile-test exported headers to ensure they are self-contained
2019-07-08 23:13:57 +09:00
virt
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2019-07-12 15:35:14 -07:00
.clang-format
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
kbuild: do not create wrappers for header-test-y
2019-07-09 10:10:27 +09:00
.mailmap
MAINTAINERS: Update my email address
2019-06-18 14:37:27 +01:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2019-06-25 01:32:59 +02:00
Kbuild
Merge tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-03-10 17:48:21 -07:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge tag 'for-linus-20190715' of git://git.kernel.dk/linux-block
2019-07-15 21:20:52 -07:00
Makefile
Merge tag 'kbuild-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-07-12 16:03:16 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
Description
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