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Filename Latest commit message Latest commit date
Nicholas Piggin 1cd6ed7c2e powerpc/xmon: Wait for secondaries before IPI'ing on system reset
An externally triggered system reset (e.g., via QEMU nmi command, or pseries
reset button) can cause system reset interrupts on all CPUs. In case this causes
xmon to be entered, it is undesirable for the primary (first) CPU into xmon to
trigger an NMI IPI to others, because this may cause a nested system reset
interrupt.

So spin for a time waiting for secondaries to join xmon before performing the
NMI IPI, similarly to what the crash dump code does.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Only do it when we come in from system reset, not via sysrq etc.]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-04-28 21:26:46 +10:00
arch powerpc/xmon: Wait for secondaries before IPI'ing on system reset 2017-04-28 21:26:46 +10:00
block blk-mq-sched: don't run the queue async from blk_mq_try_issue_directly() 2017-03-14 11:51:59 -06:00
certs
crypto net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
Documentation Merge branch 'topic/kprobes' into next 2017-04-25 00:24:04 +10:00
drivers Merge branch 'topic/ppc-kvm' into next 2017-04-28 20:19:37 +10:00
firmware
fs NFS client fixes for 4.11 2017-03-17 14:16:22 -07:00
include Merge branch 'topic/kprobes' into next 2017-04-25 00:24:04 +10:00
init Change get_random_{int,log} to use the CRNG used by /dev/urandom and 2017-03-11 09:08:47 -08:00
ipc Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-03 10:16:38 -08:00
kernel powerpc/kprobes: Fix handling of function offsets on ABIv2 2017-04-20 23:18:55 +10:00
lib mm: convert generic code to 5-level paging 2017-03-09 11:48:47 -08:00
mm mm/swap: don't BUG_ON() due to uninitialized swap slot cache 2017-03-19 19:00:47 -07:00
net NFS client fixes for 4.11 2017-03-17 14:16:22 -07:00
samples Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-03-03 11:38:56 -08:00
scripts Merge branch 'akpm' (patches from Andrew) 2017-03-10 08:34:42 -08:00
security Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-03 10:16:38 -08:00
sound scripts/spelling.txt: add "disble(d)" pattern and fix typo instances 2017-03-09 17:01:09 -08:00
tools powerpc/perf: Define big-endian version of perf_mem_data_src 2017-04-19 20:00:21 +10:00
usr kbuild: initramfs cleanup, set target from Kconfig 2017-01-05 09:40:16 -08:00
virt KVM: arm/arm64: VGIC: Fix command handling while ITS being disabled 2017-03-07 15:44:08 +00:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-08-02 16:48:52 -04:00
.mailmap mailmap: add codeaurora.org names for nameless email commits 2017-01-10 18:31:55 -08:00
COPYING
CREDITS MAINTAINERS: Remove old e-mail address 2017-02-13 12:24:56 -05:00
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add file patterns for powerpc device tree bindings 2017-03-21 22:09:27 +11:00
Makefile Linux 4.11-rc3 2017-03-19 19:09:39 -07:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.