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Christophe Leroy 0e4f08e9b1 powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E 
commit dd8de84b57 upstream.

On FSL_BOOK3E, _PAGE_RW is defined with two bits, one for user and one
for supervisor. As soon as one of the two bits is set, the page has
to be display as RW. But the way it is implemented today requires both
bits to be set in order to display it as RW.

Instead of display RW when _PAGE_RW bits are set and R otherwise,
reverse the logic and display R when _PAGE_RW bits are all 0 and
RW otherwise.

This change has no impact on other platforms as _PAGE_RW is a single
bit on all of them.

Fixes: 8eb07b1870 ("powerpc/mm: Dump linux pagetables")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0c33b96317811edf691e81698aaee8fa45ec3449.1656427391.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-19 17:52:05 +08:00
arch powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E 2023-04-19 17:52:05 +08:00
block block: fix default IO priority handling again 2023-04-19 17:51:55 +08:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2023-04-19 17:50:34 +08:00
crypto crypto: memneq - move into lib/ 2023-04-19 17:50:35 +08:00
Documentation dt-bindings: riscv: fix SiFive l2-cache's cache-sets 2023-04-19 17:52:02 +08:00
drivers media: [PATCH] pci: atomisp_cmd: fix three missing checks on list iterator 2023-04-19 17:52:05 +08:00
fs mbcache: add functions to delete entry if unused 2023-04-19 17:52:04 +08:00
include PCI: Add defines for normal and subtractive PCI bridges 2023-04-19 17:52:05 +08:00
init Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug 2023-04-19 17:50:04 +08:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2023-04-19 17:49:52 +08:00
kernel bpf: Fix KASAN use-after-free Read in compute_effective_progs 2023-04-19 17:52:03 +08:00
lib fix short copy handling in copy_mc_pipe_to_iter() 2023-04-19 17:52:01 +08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm page_alloc: fix invalid watermark check on a negative value 2023-04-19 17:51:55 +08:00
net sctp: leave the err path free in sctp_stream_init to sctp_stream_free 2023-04-19 17:51:54 +08:00
samples samples/landlock: Format with clang-format 2023-04-19 17:50:01 +08:00
scripts x86/extable: Rework the exception table mechanics 2023-04-19 17:51:45 +08:00
security lockdown: Fix kexec lockdown bypass with ima policy 2023-04-19 17:51:35 +08:00
sound ALSA: hda/realtek: Add a quirk for HP OMEN 15 (8786) mute LED 2023-04-19 17:52:00 +08:00
tools x86/speculation: Add RSB VM Exit protections 2023-04-19 17:51:57 +08:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2023-04-19 17:44:58 +08:00
virt KVM: Don't null dereference ops->destroy 2023-04-19 17:51:45 +08:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.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: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 Input: goodix - add a goodix.h header file 2023-04-19 17:50:59 +08:00
Makefile Makefile: link with -z noexecstack --no-warn-rwx-segments 2023-04-19 17:51:58 +08:00
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.