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Filippo Sironi 4bdf260362 nvme: add 48-bit DMA address quirk for Amazon NVMe controllers 
Some Amazon NVMe controllers do not follow the NVMe specification
and are limited to 48-bit DMA addresses.  Add a quirk to force
bounce buffering if needed and limit the IOVA allocation for these
devices.

This affects all current Amazon NVMe controllers that expose EBS
volumes (0x0061, 0x0065, 0x8061) and local instance storage
(0xcd00, 0xcd01, 0xcd02).

Signed-off-by: Filippo Sironi <sironi@amazon.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-02-10 16:38:06 +01:00
arch
block: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
block
block: inherit BIO_REMAPPED when cloning bios
2021-01-26 08:50:01 -07:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
X.509: Fix crash caused by NULL pointer
2021-01-20 11:33:51 -08:00
Documentation
bio: don't copy bvec for direct IO
2021-01-25 08:58:24 -07:00
drivers
nvme: add 48-bit DMA address quirk for Amazon NVMe controllers
2021-02-10 16:38:06 +01:00
fs
bdev: Do not return EBUSY if bdev discard races with write
2021-01-26 10:22:18 -07:00
include
blk-mq: introduce blk_mq_set_request_complete
2021-02-10 16:38:02 +01:00
init
Revert "init/console: Use ttynull as a fallback when there is no console"
2021-01-08 11:02:18 -08:00
ipc
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
kernel
block: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
lib
iov_iter: optimise bvec iov_iter_advance()
2021-01-25 08:58:24 -07:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
block: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
net
Merge tag 'ceph-for-5.11-rc5' of git://github.com/ceph/ceph-client
2021-01-22 13:47:25 -08:00
samples
Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-12-16 16:38:41 -08:00
scripts
Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-01-10 13:24:55 -08:00
security
dump_common_audit_data(): fix racy accesses to ->d_name
2021-01-16 15:11:35 -05:00
sound
ALSA: usb-audio: Fix hw constraints dependencies
2021-01-20 21:46:45 +01:00
tools
Merge tag 'objtool_urgent_for_v5.11_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-01-24 10:17:03 -08:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2021-01-08 15:06:02 -08:00
.clang-format
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-10-17 11:18:18 -07:00
.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
.gitignore: docs: ignore sphinx_*/ directories
2020-09-10 10:44:31 -06:00
.mailmap
MAINTAINERS: Update my email address
2021-01-15 23:55:16 +01:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: dccp: move Gerrit Renker to CREDITS
2021-01-14 10:53:49 -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
block: remove skd driver
2021-02-04 07:45:32 -07:00
Makefile
Linux 5.11-rc5
2021-01-24 16:47:14 -08:00
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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