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Hamza Mahfooz 2b4bbc6231 dma-debug: report -EEXIST errors in add_dma_entry 
Since, overlapping mappings are not supported by the DMA API we should
report an error if active_cacheline_insert returns -EEXIST.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Hamza Mahfooz <someguy@effective-light.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-06-22 08:15:47 +02:00
arch
Merge tag 'irq-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-03-14 13:33:33 -07:00
block
block: Discard page cache of zone reset target range
2021-03-11 11:49:25 -07:00
certs
certs: Replace K{U,G}IDT_INIT() with GLOBAL_ROOT_{U,G}ID
2021-01-21 16:16:10 +00:00
crypto
crypto: mips/poly1305 - enable for all MIPS processors
2021-03-08 11:52:17 +01:00
Documentation
dma-mapping: add a dma_alloc_noncontiguous API
2021-03-15 10:02:31 +01:00
drivers
media: uvcvideo: Use dma_alloc_noncontiguous API
2021-03-19 14:13:13 +01:00
fs
Merge branch 'akpm' (patches from Andrew)
2021-03-14 12:23:34 -07:00
include
dma-mapping: add unlikely hint to error path in dma_mapping_error
2021-04-02 16:41:08 +02:00
init
Merge branch 'akpm' (patches from Andrew)
2021-03-14 12:23:34 -07:00
ipc
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
kernel
dma-debug: report -EEXIST errors in add_dma_entry
2021-06-22 08:15:47 +02:00
lib
kasan: fix KASAN_STACK dependency for HW_TAGS
2021-03-13 11:27:31 -08:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
Merge branch 'akpm' (patches from Andrew)
2021-03-14 12:23:34 -07:00
net
Merge tag 'nfs-for-5.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
2021-03-12 14:19:35 -08:00
samples
Merge git://git.kernel.org:/pub/scm/linux/kernel/git/netdev/net
2021-03-09 17:15:56 -08:00
scripts
kbuild: fix ld-version.sh to not be affected by locale
2021-03-13 11:12:13 +09:00
security
Revert 95ebabde38 ("capabilities: Don't allow writing ambiguous v3 file capabilities")
2021-03-12 15:27:14 -06:00
sound
ALSA: hda/hdmi: Cancel pending works before suspend
2021-03-10 12:52:01 +01:00
tools
dma-mapping: benchmark: Add support for multi-pages map/unmap
2021-04-02 16:41:08 +02:00
usr
Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-02-25 10:17:31 -08:00
virt
KVM: x86/mmu: Consider the hva in mmu_notifier retry
2021-02-22 13:16:53 -05:00
.clang-format
Merge tag 'cxl-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2021-02-24 09:38:36 -08:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
Merge tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2021-02-23 09:28:51 -08:00
.mailmap
treewide: Miguel has moved
2021-02-26 09:41:03 -08:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
treewide: Miguel has moved
2021-02-26 09:41:03 -08:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge branch 'akpm' (patches from Andrew)
2021-03-14 12:23:34 -07:00
Makefile
Linux 5.12-rc3
2021-03-14 14:41:02 -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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