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OpenCloudOS-Kernel
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Hans de Goede 8a6430ab9c libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs 
Commit ca6bfcb2f6 ("libata: Enable queued TRIM for Samsung SSD 860")
limited the existing ATA_HORKAGE_NO_NCQ_TRIM quirk from "Samsung SSD 8*",
covering all Samsung 800 series SSDs, to only apply to "Samsung SSD 840*"
and "Samsung SSD 850*" series based on information from Samsung.

But there is a large number of users which is still reporting issues
with the Samsung 860 and 870 SSDs combined with Intel, ASmedia or
Marvell SATA controllers and all reporters also report these problems
going away when disabling queued trims.

Note that with AMD SATA controllers users are reporting even worse
issues and only completely disabling NCQ helps there, this will be
addressed in a separate patch.

Fixes: ca6bfcb2f6 ("libata: Enable queued TRIM for Samsung SSD 860")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=203475
Cc: stable@vger.kernel.org
Cc: Kate Hsuan <hpa@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210823095220.30157-1-hdegoede@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2021-09-03 08:04:17 -06:00
Documentation SCSI misc on 20210902 2021-09-02 15:09:46 -07:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch This is the bulk of pin control changes for the v5.15 kernel cycle, 2021-09-02 14:22:56 -07:00
block SCSI misc on 20210902 2021-09-02 15:09:46 -07:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-08-30 12:57:10 -07:00
drivers libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs 2021-09-03 08:04:17 -06:00
fs SCSI misc on 20210902 2021-09-02 15:09:46 -07:00
include SCSI misc on 20210902 2021-09-02 15:09:46 -07:00
init printk changes for 5.15 2021-09-01 18:41:13 -07:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel LKMM updates: 2021-09-02 13:00:15 -07:00
lib RDMA v5.15 merge window Pull Request 2021-09-02 14:47:21 -07:00
mm memblock: robustness and debug improvements 2021-09-02 12:26:31 -07:00
net TTY / Serial patches for 5.15-rc1 2021-09-01 09:51:16 -07:00
samples VFIO update for v5.15-rc1 2021-09-02 13:41:33 -07:00
scripts VFIO update for v5.15-rc1 2021-09-02 13:41:33 -07:00
security integrity-v5.15 2021-09-02 12:51:41 -07:00
sound parisc architecture updates for kernel 5.15: 2021-09-02 13:16:00 -07:00
tools RDMA v5.15 merge window Pull Request 2021-09-02 14:47:21 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-04 06:02:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
…
.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: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update email address of Matthias Fuchs and Thomas Körper 2021-08-19 09:39:44 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
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 RDMA v5.15 merge window Pull Request 2021-09-02 14:47:21 -07:00
Makefile parisc architecture updates for kernel 5.15: 2021-09-02 13:16:00 -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.