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Filename Latest commit message Latest commit date
Xiang Chen 4fefe5bbf5 scsi: hisi_sas: Use pci_irq_get_affinity() for v3 hw as experimental
For auto-control irq affinity mode, choose the dq to deliver IO according
to the current CPU.

Then it decreases the performance regression that fio and CQ interrupts are
processed on different node.

For user control irq affinity mode, keep it as before.

To realize it, also need to distinguish the usage of dq lock and sas_dev
lock.

We mark as experimental due to ongoing discussion on managed MSI IRQ
during hotplug:
https://marc.info/?l=linux-scsi&m=154876335707751&w=2

We're almost at the point where we can expose multiple queues to the upper
layer for SCSI MQ, but we need to sort out the per-HBA tags performance
issue.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-02-08 18:08:22 -05:00
arch Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
block scsi: block: remove bidi support 2019-02-05 21:30:27 -05:00
certs kbuild: remove redundant target cleaning on failure 2019-01-06 09:46:51 +09:00
crypto Kconfig updates for v4.21 2018-12-29 13:03:29 -08:00
Documentation scsi: dt-bindings: ufs: Fix the compatible string definition 2019-02-08 17:40:03 -05:00
drivers scsi: hisi_sas: Use pci_irq_get_affinity() for v3 hw as experimental 2019-02-08 18:08:22 -05:00
firmware kbuild: change filechk to surround the given command with { } 2019-01-06 09:46:51 +09:00
fs scsi: fs: remove exofs 2019-02-05 21:28:13 -05:00
include scsi: ata: Use unsigned int for cmd's type in ioctls in scsi_host_template 2019-02-08 17:33:00 -05:00
init jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
ipc
kernel Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
lib Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
LICENSES
mm Change mincore() to count "mapped" pages rather than "cached" pages 2019-01-06 13:43:02 -08:00
net jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
samples Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-01-05 17:53:40 -08:00
scripts kconfig: rename generated .*conf-cfg to *conf-cfg 2019-01-06 10:47:09 +09:00
security Merge branch 'mount.part1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-01-05 13:25:58 -08:00
sound Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
tools Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
usr
virt Merge branch 'akpm' (patches from Andrew) 2019-01-05 09:16:18 -08:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore kbuild: Add support for DT binding schema checks 2018-12-13 09:41:32 -06:00
.mailmap A few early MIPS fixes for 4.21: 2019-01-05 12:48:25 -08:00
COPYING
CREDITS Add CREDITS entry for Shaohua Li 2019-01-04 14:27:09 -07:00
Kbuild kbuild: use assignment instead of define ... endef for filechk_* rules 2019-01-06 10:22:35 +09:00
Kconfig
MAINTAINERS scsi: remove the SCSI OSD library 2019-02-05 21:28:52 -05:00
Makefile Linux 5.0-rc1 2019-01-06 17:08:20 -08:00
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.