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Niklas Cassel ff386ac050 nvme-pci: don't simple map sgl when sgls are disabled 
[ Upstream commit e51183be1fa96dc6d3cd11b3c25a0f595807315e ]

According to the module parameter description for sgl_threshold,
a value of 0 means that SGLs are disabled.

If SGLs are disabled, we should respect that, even for the case
where the request is made up of a single physical segment.

Fixes: 297910571f08 ("nvme-pci: optimize mapping single segment requests using SGLs")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-14 09:44:25 +02:00
arch
x86/kprobes: Fix to check non boostable prefixes correctly
2021-05-14 09:44:23 +02:00
block
block: only update parent bi_status when bio fail
2021-04-16 11:46:38 +02:00
certs
certs: Fix blacklist flag type confusion
2021-03-04 10:26:29 +01:00
crypto
crypto: rng - fix crypto_rng_reset() refcounting when !CRYPTO_STATS
2021-05-11 14:04:15 +02:00
Documentation
dt-bindings: net: ethernet-controller: fix typo in NVMEM
2021-04-14 08:24:18 +02:00
drivers
nvme-pci: don't simple map sgl when sgls are disabled
2021-05-14 09:44:25 +02:00
fs
ovl: fix missing revert_creds() on error path
2021-05-14 09:44:16 +02:00
include
tty: fix return value for unsupported ioctls
2021-05-14 09:44:22 +02:00
init
init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM
2021-04-10 13:34:32 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
tracing: Restructure trace_clock_global() to never block
2021-05-11 14:04:18 +02:00
lib
avoid __memcat_p link failure
2021-05-07 10:51:37 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: fix race by making init_zero_pfn() early_initcall
2021-04-07 14:47:42 +02:00
net
cfg80211: scan: drop entry from hidden_list on overflow
2021-05-14 09:44:13 +02:00
samples
samples, bpf: Add missing munmap in xdpsock
2021-03-17 17:03:33 +01:00
scripts
ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount
2021-03-09 11:09:39 +01:00
security
security: commoncap: fix -Wstringop-overread warning
2021-05-11 14:04:16 +02:00
sound
ALSA: hda/realtek: ALC285 Thinkpad jack pin quirk is unreachable
2021-05-14 09:44:15 +02:00
tools
perf ftrace: Fix access to pid in array when setting a pid filter
2021-05-07 10:51:37 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Stop looking for coalesced MMIO zones if the bus is destroyed
2021-05-14 09:44:15 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.118
2021-05-11 14:04:18 +02:00
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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