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Alexander Gordeev 587704efb3 s390/smp: do not preserve boot CPU lowcore on hotplug 
Once the kernel is running the boot CPU lowcore becomes
freeable and does not differ from the secondary CPU ones
in any way. Make use of it and do not preserve the boot
CPU lowcore on unplugging. That allows returning unused
memory when the boot CPU is offline and makes the code
more clear.

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-06-07 17:07:00 +02:00
arch
s390/smp: do not preserve boot CPU lowcore on hotplug
2021-06-07 17:07:00 +02:00
block
Merge tag 'block-5.13-2021-05-22' of git://git.kernel.dk/linux-block
2021-05-22 07:40:34 -10:00
certs
Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-05-08 10:00:11 -07:00
crypto
Merge tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block
2021-04-28 14:39:37 -07:00
Documentation
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2021-05-29 18:24:00 -10:00
drivers
s390/sclp_vt220: fix console name to match device
2021-06-07 17:06:59 +02:00
fs
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2021-06-06 14:24:13 -07:00
include
Merge tag 'arm-soc-fixes-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2021-06-06 13:00:36 -07:00
init
pid: take a reference when initializing cad_pid
2021-06-05 08:58:11 -07:00
ipc
ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
2021-05-22 15:09:07 -10:00
kernel
Merge tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-06-04 18:25:39 -07:00
lib
lib: crc64: fix kernel-doc warning
2021-06-05 08:58:12 -07:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY
2021-06-05 08:58:12 -07:00
net
Merge tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-06-04 18:25:39 -07:00
samples
Merge tag 'vfio-v5.13-rc5' of git://github.com/awilliam/linux-vfio
2021-06-03 11:52:24 -07:00
scripts
kbuild: Quote OBJCOPY var to avoid a pahole call break the build
2021-05-27 11:32:56 -07:00
security
trusted-keys: match tpm_get_ops on all return paths
2021-05-12 22:36:37 +03:00
sound
Merge tag 'sound-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2021-06-04 10:13:20 -07:00
tools
Merge branch 'akpm' (patches from Andrew)
2021-06-05 10:55:41 -07:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: VMX: update vcpu posted-interrupt descriptor when assigning device
2021-05-27 07:58:23 -04:00
.clang-format
Merge tag 'cxl-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2021-02-24 09:38:36 -08:00
.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: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: use private address for Michel Lespinasse
2021-06-05 08:58:12 -07:00
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
Merge tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-06-04 18:25:39 -07:00
Makefile
Linux 5.13-rc5
2021-06-06 15:47:27 -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.
Description
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