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Filename Latest commit message Latest commit date
Sudeep Holla e67ecf6470 arm64: topology: re-introduce numa mask check for scheduler MC selection
Commit 37c3ec2d81 ("arm64: topology: divorce MC scheduling domain from
core_siblings") selected the smallest of LLC, socket siblings, and NUMA
node siblings to ensure that the sched domain we build for the MC layer
isn't larger than the DIE above it or it's shrunk to the socket or NUMA
node if LLC exist acrosis NUMA node/chiplets.

Commit acd32e52e4e0 ("arm64: topology: Avoid checking numa mask for
scheduler MC selection") reverted the NUMA siblings checks since the
CPU topology masks weren't updated on hotplug at that time.

This patch re-introduces numa mask check as the CPU and NUMA topology
is now updated in hotplug paths. Effectively, this patch does the
partial revert of commit acd32e52e4e0.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Tested-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-07-06 13:18:18 +01:00
arch arm64: topology: re-introduce numa mask check for scheduler MC selection 2018-07-06 13:18:18 +01:00
block for-linus-20180629 2018-06-30 10:47:46 -07:00
certs
crypto
Documentation USB fixes for 4.18-rc3 2018-07-01 11:50:16 -07:00
drivers Staging/IIO fixes for 4.18-rc3 2018-07-01 12:20:20 -07:00
firmware
fs for-4.18-rc2-tag 2018-07-01 12:38:16 -07:00
include ioremap: Update pgtable free interfaces with addr 2018-07-04 21:37:08 +02:00
init Kbuild fixes for v4.18 2018-06-30 13:05:30 -07:00
ipc
kernel Add a missing export required by riscv and unicore 2018-07-01 10:45:13 -07:00
lib ioremap: Update pgtable free interfaces with addr 2018-07-04 21:37:08 +02:00
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mm
net
samples
scripts Kbuild fixes for v4.18 2018-06-30 13:05:30 -07:00
security selinux/stable-4.18 PR 20180629 2018-06-30 11:15:12 -07:00
sound
tools Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-30 11:42:14 -07:00
usr
virt kvm/arm: use PSR_AA32 definitions 2018-07-05 17:24:15 +01:00
.clang-format
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Makefile Linux 4.18-rc3 2018-07-01 16:04:53 -07:00
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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.