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Will Deacon d476857315 KVM: arm/arm64: Don't reschedule in unmap_stage2_range() 
Upstream commits fdfe7cbd58 ("KVM: Pass MMU notifier range flags to
kvm_unmap_hva_range()") and b5331379bc ("KVM: arm64: Only reschedule
if MMU_NOTIFIER_RANGE_BLOCKABLE is not set") fix a "sleeping from invalid
context" BUG caused by unmap_stage2_range() attempting to reschedule when
called on the OOM path.

Unfortunately, these patches rely on the MMU notifier callback being
passed knowledge about whether or not blocking is permitted, which was
introduced in 4.19. Rather than backport this considerable amount of
infrastructure just for KVM on arm, instead just remove the conditional
reschedule.

Cc: <stable@vger.kernel.org> # v4.14 only
Cc: Marc Zyngier <maz@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-08-26 10:30:00 +02:00
Documentation dt-bindings: iio: io-channel-mux: Fix compatible string in example code 2020-08-21 09:48:17 +02:00
arch powerpc/pseries: Do not initiate shutdown when system is running on UPS 2020-08-26 10:29:59 +02:00
block block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed 2020-06-30 15:37:57 -04:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 2020-07-09 09:36:30 +02:00
drivers clk: Evict unregistered clks from parent caches 2020-08-26 10:30:00 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs do_epoll_ctl(): clean the failure exits up a bit 2020-08-26 10:29:59 +02:00
include genirq/affinity: Make affinity setting if activated opt-in 2020-08-21 09:48:23 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:17:15 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel kernel/relay.c: fix memleak on destroy relay channel 2020-08-26 10:29:54 +02:00
lib test_kmod: avoid potential double free in trigger_config_run_type() 2020-08-21 09:48:22 +02:00
mm mm/hugetlb: fix calculation of adjust_range_if_pmd_sharing_possible 2020-08-26 10:29:59 +02:00
net mac80211: fix misplaced while instead of if 2020-08-21 09:48:18 +02:00
samples samples: bpf: Fix build error 2020-06-03 08:17:55 +02:00
scripts scripts/decode_stacktrace: strip basepath from all paths 2020-07-29 07:42:54 +02:00
security Smack: prevent underflow in smk_set_cipso() 2020-08-21 09:48:11 +02:00
sound ASoC: intel: Fix memleak in sst_media_open 2020-08-26 10:29:58 +02:00
tools perf probe: Fix memory leakage when the probe point is not found 2020-08-26 10:29:53 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: arm/arm64: Don't reschedule in unmap_stage2_range() 2020-08-26 10:30:00 +02:00
.cocciconfig
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.get_maintainer.ignore
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.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
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CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.194 2020-08-21 09:48:24 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

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.