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The default vsyscall mode has been updated from emulate to xonly for a
while. Update the kernel-parameters doc to reflect that.
Fixes: 625b7b7f79 ("x86/vsyscall: Change the default vsyscall mode to xonly")
Cc: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230111193211.1987047-1-sohil.mehta@intel.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
As more and more documents are translated and some English
words are translated into different Chinese, it seems that
we need a glossary of Chinese translation terms.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Tang Yizhou <tangyeechou@gmail.com>
Acked-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/20230117093416.2262787-1-siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/Kconfig is already included from top-level, avoid
including it again from lib/Kconfig.debug.
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230114-doc-v2-1-853a8434ac95@pefoley.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
There wasn't any mention of when/where DECLARE_FLEX_ARRAY() should be
used, so add the rationale and an example to the deprecation docs.
Suggested-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230106200600.never.735-kees@kernel.org
[jc: minor wording tweaks]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Fix of 2 typos spotted reading documentation in italian
Signed-off-by: Fabio Fantoni <fantonifabio@tiscali.it>
Acked-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20230101155548.12350-1-fantonifabio@tiscali.it
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Proton Mail automatically picks up PGP keys for those with kernel.org
accounts (and other domains!) which provide WKD for their users & uses
them to encrypt emails, including patches.
Document the behaviour & Proton Mail's unsuitability for kernel
development.
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221231152320.1340874-1-conor@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Translation for the following patches
commit da4288b95b ("scripts/check-local-export: avoid 'wait $!' for process substitution")
commit 5372de4e45 ("docs/doc-guide: Put meta title for kernel-doc HTML page")
commit 4d627ef12b ("docs/doc-guide: Mention make variable SPHINXDIRS")
commit 7c43214ddd ("docs/doc-guide: Add footnote on Inkscape for better images in PDF documents")
commit 615041d42a ("docs: kernel-docs: shorten the lengthy doc title")
commit cbf4adfd4d ("Documentation: process: Update email client instructions for Thunderbird")
commit e72b3b9810 ("maintainer-pgp-guide: minor wording tweaks")
commit ea522496af ("Documentation: process: replace outdated LTS table w/ link")
commit 93431e0607 ("Replace HTTP links with HTTPS ones: documentation")
commit e648174b53 ("Documentation: Fix spelling mistake in hacking.rst")
commit 602684adb4 ("docs: Update version number from 5.x to 6.x in README.rst")
commit 489876063f ("docs: add a man-pages link to the front page")
commit 0c7b4366f1 ("docs: Rewrite the front page")
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20221231130849.4675-1-federico.vaga@vaga.pv.it
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
"about.html" is available only for the alabaster theme [1].
Unconditionally putting it to html_sidebars prevents us from
using other themes which respect html_sidebars.
Remove about.html from the initialization and insert it at the
front for the alabaster theme.
Link: [1] https://alabaster.readthedocs.io/en/latest/installation.html#sidebars
Fixes: d5389d3145 ("docs: Switch the default HTML theme to alabaster")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/4b162dbe-2a7f-1710-93e0-754cf8680aae@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The Sphinx 2.4 release is three years old, and it is becoming increasingly
difficult to even find a system with an sufficiently archaic Python
installation that can run versions older than that. I can no longer test
changes against anything prior to 2.4.x.
Move toward raising our minimum Sphinx requirement to 2.4.x so we can
delete some older support code and claim to support a range of versions
that we can actually test.
In the absence of screams, the actual removal of support can happen later
in 2023.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Sphinx 6.0 removed the execfile_() function, which we use as part of the
configuration process. They *did* warn us... Just open-code the
functionality as is done in Sphinx itself.
Tested (using SPHINX_CONF, since this code is only executed with an
alternative config file) on various Sphinx versions from 2.5 through 6.0.
Reported-by: Martin Liška <mliska@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
It is finally becoming increasingly rare to find a distribution that
still ships with gnupg-1.x, so remove the last vestiges of "gpg" vs
"gpg2" from documentation.
Similarly, starting with GnuPG 2.2 and above, the default --gen-key
operation creates ed25519/cv25519 keypairs, so update all example
command outputs to use that combination instead of rsa2048.
Lastly, add a few wording tweaks and remove links that lead to stale
information (e.g. hardware tokens overview from 2017).
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/r/20221220-docs-pgp-guide-v1-1-9b0c0bf974fb@linuxfoundation.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The subtitle "5.3 Clearing filters" and "5.3 Subsystem filters" has
the same index number, let's fix it.
Fixes: 95b696088c ("tracing/filters: add filter Documentation")
Signed-off-by: Donglin Peng <dolinux.peng@gmail.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20221209025119.1371570-1-dolinux.peng@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
/proc/net/softnet_stat exists for a long time, but proc.rst miss it.
Softnet_stat shows some statistics of struct softnet_data of online
CPUs. Struct softnet_data manages incoming and output packets
on per-CPU queues. Note that fastroute and cpu_collision in
softnet_stat are obsolete and their value is always 0.
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Reviewed-by: xu xin <xu.xin16@zte.com.cn>
Reviewed-by: Zhang Yunkai <zhang.yunkai@zte.com.cn>
Link: https://lore.kernel.org/r/202212091421536982085@zte.com.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Fix a typo in Chinese translation of howto.rst
Fixes: 40d93e4961 ("docs/zh_CN: update howto.rst to latest version")
Signed-off-by: Wang Yong <yongw.kernel@gmail.com>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/20221208083353.160152-1-yongw.kernel@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Update to commit c5d39fae89 ("Documentation: EM: Switch to
micro-Watts scale")
commit f48a0c475c ("Documentation: EM: Describe new registration
method using DT")
commit 75a3a99a5a ("PM: EM: Change the order of arguments in the
.active_power() callback")
commit 015f569c46 ("Documentation: EM: Add artificial EM
registration description")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/06df12357d64d602a4dfb10a025a7520daeb3ba0.1670642548.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Update to commit a9e9c93966 ("Documentation/mm: add
details about kmap_local_page() and preemption").
Commit 84b86f6054 ("Documentation/mm: rrefer
kmap_local_page() and avoid kmap()").
Commit 6b3afe2eee ("Documentation/mm: avoid
invalid use of addresses from kmap_local_page()").
Commit 516ea046ec ("Documentation/mm: don't kmap*()
pages which can't come from HIGHMEM").
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/50db59505546b035a03f4ae48d3c18e6116f9e3c.1670642548.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
- Fix a use-after-free on the perf syscall's error path
- A potential integer overflow fix in amd_core_pmu_init()
- Fix the cgroup events tracking after the context handling rewrite
- Return the proper value from the inherit_event() function on error
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Merge tag 'perf_urgent_for_v6.2_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Pass only an initialized perf event attribute to the LSM hook
- Fix a use-after-free on the perf syscall's error path
- A potential integer overflow fix in amd_core_pmu_init()
- Fix the cgroup events tracking after the context handling rewrite
- Return the proper value from the inherit_event() function on error
* tag 'perf_urgent_for_v6.2_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Call LSM hook after copying perf_event_attr
perf: Fix use-after-free in error path
perf/x86/amd: fix potential integer overflow on shift of a int
perf/core: Fix cgroup events tracking
perf core: Return error pointer if inherit_event() fails to find pmu_ctx
functionality like the rethunks and not only kgdb
- Remove __init section markings of two functions which are referenced by a
function in the .text section
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Merge tag 'x86_urgent_for_v6.2_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Two fixes to correct how kprobes handles INT3 now that they're added
by other functionality like the rethunks and not only kgdb
- Remove __init section markings of two functions which are referenced
by a function in the .text section
* tag 'x86_urgent_for_v6.2_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kprobes: Fix optprobe optimization check with CONFIG_RETHUNK
x86/kprobes: Fix kprobes instruction boudary check with CONFIG_RETHUNK
x86/calldepth: Fix incorrect init section references
- i915 fixes for newer platforms
- i915 locking rework to not give up in vm eviction fallback path too
early
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Merge tag 'drm-fixes-2023-01-01' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Daniel Vetter:
"I'm just back from the mountains, and Dave is out at the beach and
should be back in a week again. Just i915 fixes and since Rodrigo
bothered to make the pull last week I figured I should warm up gpg and
forward this in a nice signed tag as a new years present!
- i915 fixes for newer platforms
- i915 locking rework to not give up in vm eviction fallback path too
early"
* tag 'drm-fixes-2023-01-01' of git://anongit.freedesktop.org/drm/drm:
drm/i915/dsi: fix MIPI_BKLT_EN_1 native GPIO index
drm/i915/dsi: add support for ICL+ native MIPI GPIO sequence
drm/i915/uc: Fix two issues with over-size firmware files
drm/i915: improve the catch-all evict to handle lock contention
drm/i915: Remove __maybe_unused from mtl_info
drm/i915: fix TLB invalidation for Gen12.50 video and compute engines
- Fix broken BuildID
- Add srcrpm-pkg to the help message
- Fix the option order for modpost built with musl libc
- Fix the build dependency of rpm-pkg for openSUSE
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Merge tag 'kbuild-fixes-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix broken BuildID
- Add srcrpm-pkg to the help message
- Fix the option order for modpost built with musl libc
- Fix the build dependency of rpm-pkg for openSUSE
* tag 'kbuild-fixes-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
fixdep: remove unneeded <stdarg.h> inclusion
kbuild: sort single-targets alphabetically again
kbuild: rpm-pkg: add libelf-devel as alternative for BuildRequires
kbuild: Fix running modpost with musl libc
kbuild: add a missing line for help message
.gitignore: ignore *.rpm
arch: fix broken BuildID for arm64 and riscv
kconfig: Add static text for search information in help menu
A single fix to address an issue with wake from suspend with PCS
adapters, from Adam.
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Merge tag 'ata-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fix from Damien Le Moal:
"A single fix to address an issue with wake from suspend with PCS
adapters, from Adam"
* tag 'ata-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: ahci: Fix PCS quirk application for suspend
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent non-operational
ACPI backlight devices from being created on systems where the native
driver does not detect a suitable panel (Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
- Add a low-power S0 idle (S0ix) handling quirk for HP Elitebook 865
and stop using AMD-specific low-power S0 idle code path for systems
with Rembrandt chips and newer (Mario Limonciello).
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Merge tag 'acpi-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These are new ACPI IRQ override quirks, low-power S0 idle (S0ix)
support adjustments and ACPI backlight handling fixes, mostly for
platforms using AMD chips.
Specifics:
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent
non-operational ACPI backlight devices from being created on
systems where the native driver does not detect a suitable panel
(Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
- Add a low-power S0 idle (S0ix) handling quirk for HP Elitebook 865
and stop using AMD-specific low-power S0 idle code path for systems
with Rembrandt chips and newer (Mario Limonciello)"
* tag 'acpi-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: x86: s2idle: Stop using AMD specific codepath for Rembrandt+
ACPI: x86: s2idle: Force AMD GUID/_REV 2 on HP Elitebook 865
ACPI: video: Fix Apple GMUX backlight detection
ACPI: resource: Add Asus ExpertBook B2502 to Asus quirks
ACPI: resource: do IRQ override on Lenovo 14ALC7
ACPI: resource: do IRQ override on XMG Core 15
ACPI: video: Don't enable fallback path for creating ACPI backlight by default
drm/amd/display: Report to ACPI video if no panels were found
ACPI: video: Allow GPU drivers to report no panels
Just a few small fixes:
- A regression fix for HDMI audio on HD-audio AMD codecs
- Fixes for LINE6 MIDI handling
- HD-audio quirk for Dell laptops
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Merge tag 'sound-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few small fixes:
- A regression fix for HDMI audio on HD-audio AMD codecs
- Fixes for LINE6 MIDI handling
- HD-audio quirk for Dell laptops"
* tag 'sound-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi: Static PCM mapping again with AMD HDMI codecs
ALSA: hda/realtek: Apply dual codec fixup for Dell Latitude laptops
ALSA: line6: fix stack overflow in line6_midi_transmit
ALSA: line6: correct midi status byte when receiving data from podxt
Merge ACPI resource handling quirks and ACPI backlight handling fixes
for 6.2-rc2:
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent non-operational
ACPI backlight devices from being created on systems where the native
driver does not detect a suitable panel (Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
* acpi-resource:
ACPI: resource: Add Asus ExpertBook B2502 to Asus quirks
ACPI: resource: do IRQ override on Lenovo 14ALC7
ACPI: resource: do IRQ override on XMG Core 15
* acpi-video:
ACPI: video: Fix Apple GMUX backlight detection
ACPI: video: Don't enable fallback path for creating ACPI backlight by default
drm/amd/display: Report to ACPI video if no panels were found
ACPI: video: Allow GPU drivers to report no panels
Due to copy-paste fail, MIPI_BKLT_EN_1 would always use PPS index 1,
never 0. Fix the sloppiest commit in recent memory.
Fixes: 963bbdb32b ("drm/i915/dsi: add support for ICL+ native MIPI GPIO sequence")
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221220140105.313333-1-jani.nikula@intel.com
(cherry picked from commit a561933c57)
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Starting from ICL, the default for MIPI GPIO sequences seems to be using
native GPIOs i.e. GPIOs available in the GPU. These native GPIOs reuse
many pins that quite frankly seem scary to poke based on the VBT
sequences. We pretty much have to trust that the board is configured
such that the relevant HPD, PP_CONTROL and GPIO bits aren't used for
anything else.
MIPI sequence v4 also adds a flag to fall back to non-native sequences.
v5:
- Wrap SHOTPLUG_CTL_DDI modification in spin_lock() in icp_irq_handler()
too (Ville)
- References instead of Closes issue 6131 because this does not fix everything
v4:
- Wrap SHOTPLUG_CTL_DDI modification in spin_lock_irq() (Ville)
v3:
- Fix -Wbitwise-conditional-parentheses (kernel test robot <lkp@intel.com>)
v2:
- Fix HPD pin output set (impacts GPIOs 0 and 5)
- Fix GPIO data output direction set (impacts GPIOs 4 and 9)
- Reduce register accesses to single intel_de_rwm()
References: https://gitlab.freedesktop.org/drm/intel/-/issues/6131
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219105955.4014451-1-jani.nikula@intel.com
(cherry picked from commit f087cfe6fc)
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
