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scripts/find-unused-docs.sh invokes scripts/kernel-doc to find out if a
source file contains kerneldoc or not.
However, as it passes the no longer supported "-text" option to
scripts/kernel-doc, the latter prints out its help text, causing all
files to be considered containing kerneldoc.
Get rid of these false positives by removing the no longer supported
"-text" option from the scripts/kernel-doc invocation.
Cc: stable@vger.kernel.org # 4.16+
Fixes: b05142675310d2ac ("scripts: kernel-doc: get rid of unused output formats")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200127093107.26401-1-geert+renesas@glider.be
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The ACPI Device Specific Methods (_DSM) paragraph is intended to be a
subsection of the Submit Checklist Addendum section. Dan Williams however
used Markdown notation for this subsection, which does not parse as
intended in a ReST documentation.
Change the markup to ReST notation, as described in the Specific
guidelines for the kernel documentation section in
Documentation/doc-guide/sphinx.rst.
Fixes: 47843401e3a0 ("libnvdimm, MAINTAINERS: Maintainer Entry Profile")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20200118153620.8276-1-lukas.bulwahn@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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sysfs node for huge page writeback is writeback rather than write.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20200120102949.12132-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix various items in zram.rst:
- typos/spellos
- punctuation
- grammar
- shell syntax
- indentation
- sysfs file names
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/77000e12-677a-62f6-9f78-343be5bd6630@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Documentation should lead by example, so here's a basic maintainer entry
profile for this subsystem.
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This is mostly a collection of thoughts for how people who want to help out
can make the docs better. Hopefully the world will respond with a flurry
of useful patches.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Sphinx 2.1 moved sphinx.environment.NoUri into sphinx.errors; that produced
this warning in the docs build:
/usr/lib/python3.7/site-packages/sphinx/registry.py:473:
RemovedInSphinx30Warning: sphinx.environment.NoUri is deprecated.
Grab NoUri from the right place and make the warning go away. That symbol
was only added to sphinx.errors in 2.1, so we must still import it from the
old location when running in older versions.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The example given in asm-annotations.rst to describe the constraints that
a function should meet in order to be annotated with a SYM_FUNC_* macro
is x86-specific, and not necessarily applicable to architectures using
branch-and-link style calling conventions such as arm64.
Tweak the example text to call out the x86-specific text.
Cc: Mark Brown <broonie@kernel.org>
Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20200115184305.1187-1-will@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert fault_injection.txt to ReST and move it to admin-guide.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/f7b0cf8fb1159a668f75ce82a581e7590568c2b8.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert pnfs-scsi-server to ReST and move it to admin-guide. Content
remains mostly unchanged.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/5c4b8af41ca0a427a3987535815bccf47a65d320.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert pnfs-block-server.txt to ReST and move it to admin-guide.
Content remains mostly unchanged.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/c06903760e690c16d9df92f5e75f80381d6326d8.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert idmapper.txt to ReST and move it to admin-guide.
Content remains mostly unchanged otherwise.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/069e40cd551ea778538f8fe9ad15ee26e45fc748.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert nfsd-admin-interfaces to ReST and move it into admin-guide.
Content remains mostly untouched.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/d471305e9c96dec38f18d2ff816fca2269a88e29.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert nfs-rdma to ReST and move it to admin-guide. Content
remais mostly untouched. Also, mark the doc as obsolete.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/9c88f184f9de2a3eb5181563e258559efc02f58a.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Refill a paragraph to eliminate long lines.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/58c50f6ba94a0a2f212c4d2a42f64ffb40336b68.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert nfsroot.txt to RST and move it to admin-guide. Content remains
mostly the same.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/442d35917351f5260dd8ed7362e9b5f1264ef8ad.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This patch converts nfs.txt to RST. It also moves it to admin-guide.
The reason for moving it is because this document contains information
useful for system administrators, as noted on the following paragraph:
'The purpose of this document is to provide information on some of the
special features of the NFS client that can be configured by system
administrators'.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/cb9f2da2f2f6dd432b4cf9e05f79f74f4d54b6ab.1578697871.git.dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Converts vfat.txt to the reStructuredText format, improving presentation
without changing the underlying content.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
-----------------------------------------------------------
Changes in v3:
Removed unnecessary markup.
Removed section "BUG REPORTS" as recommended by the maintainer.
Changes in v2:
Refactored long lines as pointed out by Jonathan
Copied the maintainer
Updated the reference in the MAINTAINERS file for vfat
I did not move this into admin-guide, waiting on what the
maintainer has to say about this and also about old sections
in the text, if any.
Link: https://lore.kernel.org/r/20191223010030.434902-1-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix WARNING: Inline emphasis start-string without end-string.
This warning was due to wrong syntax being used.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20191223033121.1584930-1-dwlsalmeida@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The use of iff ("if and only if") notation is not accurate in this case.
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Link: https://lore.kernel.org/r/22f9a98a972c3155c7b478247a087a5efafde774.1577231751.git.frank@generalsoftwareinc.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix minor typos in the doc.
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/9ef705d0208a4ca0852fed69bc0838a589a4df85.1577231751.git.frank@generalsoftwareinc.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The current text could mislead the user into believing that the number
of pages allocated by each CPU ring buffer is calculated by the round
up of the division: buffer_size_kb / PAGE_SIZE.
Clarifies that a few extra pages may be allocated to accommodate buffer
management meta-data.
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Suggested-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/6f33be5f3d60e5ffc061d8d2b329d3d3ccf22a8c.1577231751.git.frank@generalsoftwareinc.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Replace fs with block since bio.c had been moved to block folder.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Link: https://lore.kernel.org/r/20200106103735.10327-1-guoqing.jiang@cloud.ionos.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix spelling mistake in text.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200110100427.236530-1-colin.king@canonical.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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kernel enforcement statement is a important statement to show a kind of
attitude in kernel community. This patch translate it into Chinese and
add it into toctree.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/1576811085-30544-3-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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kernel driver statement is a great statement in kernel community. This
patch translate the statement into Chinese and add it into toctree.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: lizefan@huawei.com
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/1576811085-30544-2-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Embargoed hardware issues is a necessary process guide, but leak of
Chinese version, since there is more Chinese hardware vendors in market.
We'd better have a Chinese version of this guide.
This patch translate the guide, add it into toctree. and also add a link
stub for the original doc.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: lizefan@huawei.com
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sasha Levin <sashal@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/1576811085-30544-1-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix a spelling typo in omap-hdq.rst
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: https://lore.kernel.org/r/20191225165534.9395-1-standby24x7@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix a spelling typo in mm.rst.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: https://lore.kernel.org/r/20191226162138.17601-1-standby24x7@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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As suggested by Paul, I got a review from another Korean hacker Yunjae.
From the review, I got not only 'Reviewed-by:' tags, but also found a
few minor nits. So I made a second version of the patchset but just
realized that the first version has already sent to Linus. I therefore
send only the nit fixes as another patch.
----------------------------- >8 ----------------------------------------
docs/memory-barriers.txt.kokr: Minor wordsmith
This commit fixes a couple of minor nits in the Korean translation of
'memory-barriers.txt'.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Yunjae Lee <lyj7694@gmail.com>
Link: https://lore.kernel.org/r/20191129182823.8710-1-sjpark@amazon.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The description was talking about two default values: I removed the
wrong one.
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20191201121941.6971-1-federico.vaga@vaga.pv.it
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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namespaces.rst to symbol-namespaces.rst
This patch fixes the following documentation build warning:
Warning: Documentation/kernel-hacking/hacking.rst references
a file that doesn't exist: Documentation/kbuild/namespaces.rst
According to the following patch:
https://patchwork.kernel.org/patch/11178727/
(doc: move namespaces.rst from kbuild/ to core-api/)
The file namespaces.rst was moved from kbuild to core-api
and renamed to symbol-namespaces.rst.
Therefore, this patch changes the reference to the document
kbuild/namespaces.rst in hacking.rst to
core-api/symbol-namespaces.rst
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
Link: https://lore.kernel.org/r/20191204104554.9100-1-madhuparnabhowmik04@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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autofs.txt to autofs.rst
This patch fixes following documentation build warning:
Warning: Documentation/filesystems/automount-support.txt references
a file that doesn't exist: Documentation/filesystems/autofs.txt
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
Link: https://lore.kernel.org/r/20191204101939.6939-1-madhuparnabhowmik04@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There are some typos in boot image header and riscv boot documentation.
Fix the typos.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Link: https://lore.kernel.org/r/20191009010637.9955-1-atish.patra@wdc.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix Sphinx format warning by adding a blank line.
Documentation/misc-devices/xilinx_sdfec.rst:2: WARNING: Explicit markup ends without a blank line; unexpected unindent.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Dragan Cvetic <dragan.cvetic@xilinx.com>
Link: https://lore.kernel.org/r/8d644cf1-fa7b-ec62-84cf-9b41d7c30eed@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fix a Sphinx documentation format warning by breaking a long line
into 2 lines.
Also drop the ':' usage after the Protocol version numbers since
other Protocol versions don't use colons.
Documentation/x86/boot.rst:72: WARNING: Malformed table.
Text in column margin in table line 57.
Fixes: 2c33c27fd603 ("x86/boot: Introduce kernel_info")
Fixes: 00cd1c154d56 ("x86/boot: Introduce kernel_info.setup_type_max")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lore.kernel.org/r/c6fbf592-0aca-69d9-e903-e869221a041a@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Fill in "..." stubs with proper links to the mailing lists's encryption
keys and service description URLs. Similarly, fix wording to specify
that multiple members of Linux Foundation's IT team have access to
internal kernel.org infrastructure, and that all of them have similar
confidentiality obligations as the IT team director.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20191209192611.GA1688548@chatter.i7.local
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Clarify a few places where the ring buffer and the "snapshot" buffer
are cleared as a side effect of an operation.
This will avoid users lost of tracing data because of these so far
undocumented behavior.
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20191218191553.q4lwyxmquvtjzjfz@frank-laptop
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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For BINDER_TYPE_PTR and BINDER_TYPE_FDA transactions, the
num_valid local was calculated incorrectly causing the
range check in binder_validate_ptr() to miss out-of-bounds
offsets.
Fixes: bde4a19fc04f ("binder: use userspace pointer as base of buffer space")
Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191213202531.55010-1-tkjos@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When CONFIG_XEN_BALLOON_MEMORY_HOTPLUG is not defined
reserve_additional_memory() will set balloon_stats.target_pages to a
wrong value in case there are still some ballooned pages allocated via
alloc_xenballooned_pages().
This will result in balloon_process() no longer be triggered when
ballooned pages are freed in batches.
Reported-by: Nicholas Tsirakis <niko.tsirakis@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Objects allocated by xen_blkif_alloc come from the 'blkif_cache' kmem
cache. This cache is destoyed when xen-blkif is unloaded so it is
necessary to wait for the deferred free routine used for such objects to
complete. This necessity was missed in commit 14855954f636 "xen-blkback:
allow module to be cleanly unloaded". This patch fixes the problem by
taking/releasing extra module references in xen_blkif_alloc/free()
respectively.
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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SMB2_tdis() checks if a root handle is valid in order to decide
whether it needs to close the handle or not. However if another
thread has reference for the handle, it may end up with putting
the reference twice. The extra reference that we want to put
during the tree disconnect is the reference that has a directory
lease. So, track the fact that we have a directory lease and
close the handle only in that case.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Ran into an intermittent crash in
SMB2_open_init+0x2f6/0x970
due to oparms.cifs_sb not being initialized when called from:
smb2_compound_op+0x45d/0x1690
Zero the whole oparms struct in the compounding path before setting up the
oparms so we don't risk any uninitialized fields.
Fixes: fdef665ba44a ("smb3: fix mode passed in on create for modetosid mount option")
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
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Commit 5e6669387e22 ("of/platform: Pause/resume sync state during init
and of_platform_populate()") paused/resumed sync state during init only
if Linux had parsed and populated a devicetree.
However, the check for that (of_have_populated_dt()) can change after
of_platform_default_populate_init() executes. One example of this is
when devicetree unittests are enabled. This causes an unmatched
pause/resume of sync state. To avoid this, just unconditionally
pause/resume sync state during init.
Fixes: 5e6669387e22 ("of/platform: Pause/resume sync state during init and of_platform_populate()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Json-schema requires a $ref to be under an 'allOf' if there are
additional constraints otherwise the additional constraints are
ignored. (Note that this behavior will be changed in draft8.)
Fixes: 641262f5e1ed ("dt-bindings: memory: Add binding for NVIDIA Tegra30 External Memory Controller")
Fixes: 785685b7a106 ("dt-bindings: memory: Add binding for NVIDIA Tegra30 Memory Controller")
Fixes: 8da65c377b21 ("dt-bindings: memory: tegra30: Convert to Tegra124 YAML")
Cc: Thierry Reding <treding@nvidia.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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While my email address has changed for a while, all the schemas I
contributed still have the old one unfortunately. Update it.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Rob Herring <robh@kernel.org>
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Fix device memory flows so that only once there will be no live mmaped
VA to a given allocation the matching object will be destroyed.
This prevents a potential scenario that existing VA that was mmaped by
one process might still be used post its deallocation despite that it's
owned now by other process.
The above is achieved by integrating with IB core APIs to manage
mmap/munmap. Only once the refcount will become 0 the DM object and its
underlay area will be freed.
Fixes: 3b113a1ec3d4 ("IB/mlx5: Support device memory type attribute")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20191212100237.330654-3-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Introduce rdma_user_mmap_entry_insert_range() API to be used once the
required key for the given entry should be in a given range.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20191212100237.330654-2-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Since 62240a88004b ("PCI: rockchip: Drop storing driver private outbound
resource data), the offset calculation is wrong to access the register
number to program the IO outbound ATU.
Fix this by computing the ATU IO register number based on the number of MEM
registers, not the size of the IO region.
This causes 'synchronous external aborts' like the following:
mwifiex_pcie 0000:01:00.0: enabling device (0000 -> 0002)
mwifiex_pcie: PCI memory map Virt0: 00000000a573ad00 PCI memory map Virt2: 00000000783126c4
Internal error: synchronous external abort: 96000210 [#1] PREEMPT SMP
Modules linked in: mwifiex_pcie(+) mwifiex uvcvideo cfg80211 atmel_mxt_ts videobuf2_vmalloc ...
CPU: 2 PID: 269 Comm: systemd-udevd Not tainted 5.4.0+ #327
Hardware name: Google Kevin (DT)
pstate: 60000005 (nZCv daif -PAN -UAO)
pc : mwifiex_register_dev+0x264/0x3f8 [mwifiex_pcie]
lr : mwifiex_register_dev+0x150/0x3f8 [mwifiex_pcie]
sp : ffff800012073860
x29: ffff800012073860 x28: ffff8000100a2e28
x27: ffff8000118b6210 x26: ffff800008f57458
x25: ffff0000ecfda000 x24: 0000000000000001
x23: ffff0000e9905080 x22: ffff800008f5d000
x21: ffff0000eecea078 x20: ffff0000e9905080
x19: ffff0000eecea000 x18: 0000000000000001
x17: 0000000000000000 x16: 0000000000000000
x15: ffffffffffffffff x14: ffff8000118998c8
x13: ffff000000000000 x12: 0000000000000008
x11: 0101010101010101 x10: ffff7f7fffff7fff
x9 : 0000000000000000 x8 : ffff0000e3c24240
x7 : 0000000000000000 x6 : ffff0000e3c24148
x5 : ffff0000e3c24148 x4 : ffff0000e7975ec8
x3 : 0000000000000001 x2 : 0000000000002b42
x1 : ffff800012c00008 x0 : ffff0000e9905080
Call trace:
mwifiex_register_dev+0x264/0x3f8 [mwifiex_pcie]
mwifiex_add_card+0x2f8/0x430 [mwifiex]
mwifiex_pcie_probe+0x98/0x148 [mwifiex_pcie]
pci_device_probe+0x110/0x1a8
...
Code: a8c67bfd d65f03c0 f942ac01 91002021 (b9400021)
Suggested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Fixes: 62240a88004b ("PCI: rockchip: Drop storing driver private outbound resource data)
Link: https://lore.kernel.org/r/20191211093450.7481-1-enric.balletbo@collabora.com
Reported-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reported-by: Vicente Bergas <vicencb@gmail.com>
Tested-by: Vicente Bergas <vicencb@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Andrew Murray <andrew.murray@arm.com>
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