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Architecture-specific documentation is being moved into Documentation/arch/
as a way of cleaning up the top-level documentation directory and making
the docs hierarchy more closely match the source hierarchy. Move
Documentation/ia64 into arch/ and fix all in-tree references.
Signed-off-by: Jonathan Corbet <[email protected]>
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The correct term here, also used in the next line, is "identity
mappings". "itentify mappings" was probably just a typo.
Signed-off-by: Jonathan Neuschäfer <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>
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Add a feature list matrix for each architecture to their
respective Kernel books.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Link: https://lore.kernel.org/r/9c39d4dd93e05c0008205527d2c3450912f029ed.1606748711.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <[email protected]>
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While the xensource.com URLs referenced still exist, neither the Xen or Linux
2.6.18 fork have been touched since 2009, 11 years ago. Other URLs are dead.
IA64 support was removed in Xen 4.2, in 2012. Relegate this piece of
documentation to source history.
Signed-off-by: Andrew Cooper <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>
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Replace RTC_WKLAM_RD with RTC_WKALM_RD.
Signed-off-by: Julia Lawall <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>
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There are 4 IRQ documentation files under Documentation/*.txt.
Move them into a new directory (core-api/irq) and add a new
index file for it.
While here, use a title markup for the Debugging section of the
irq-domain.rst file.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Link: https://lore.kernel.org/r/2da7485c3718e1442e6b4c2dd66857b776e8899b.1588345503.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <[email protected]>
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All those new files I added are under GPL v2.0 license.
Add the corresponding SPDX headers to them.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Now that several arch documents were converted to ReST,
add their indexes to Documentation/index.rst and remove the
:orphan: from them.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Rename the ia64 documentation files to ReST, add an
index for them and adjust in order to produce a nice html
output via the Sphinx build system.
There are two upper case file names. Rename them to
lower case, as we're working to avoid upper case file
names at Documentation.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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CC: Tony Luck <[email protected]>
CC: Fenghua Yu <[email protected]>
CC: [email protected]
CC: [email protected]
Signed-off-by: Sergei Trofimovich <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Most places use pwd and rely on $PATH lookup. Moving the remaining
absolute path /bin/pwd users over for consistency.
Also, a reason for doing /bin/pwd -> pwd instead of the other way around
is because I believe build systems should make little assumptions on
host filesystem layout. Case in point, we do this kind of patching
already in NixOS.
Ref. commit 028568d84da3cfca49f5f846eeeef01441d70451
("kbuild: revert $(realpath ...) to $(shell cd ... && /bin/pwd)").
Signed-off-by: Bjørn Forsman <[email protected]>
Signed-off-by: Masahiro Yamada <[email protected]>
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Remove ia64 from Makefile to move the test to selftests.
Update ia64 Makefile to work under selftests. ia64 will not be run as part
of selftests suite and will not be included in install targets. They can be
built separately for now.
The original Makefile built this test on all archirectures and this update
doesn't change that.
Acked-by: Jonathan Corbet <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The general documentation we have for pv_ops is currenty present
on the IA64 docs, but since this documentation covers IA64 xen
enablement and IA64 Xen support got ripped out a while ago
through commit d52eefb47 present since v3.14-rc1 lets just
simplify, generalize and move the pv_ops documentation to a
shared place.
Cc: Isaku Yamahata <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Chris Wright <[email protected]>
Cc: Alok Kataria <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: [email protected]
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
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kvm/ia64 is gone, clean up Documentation too.
Signed-off-by: Paolo Bonzini <[email protected]>
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Change the Documentation makefiles from obj-m to subdir-y
to avoid generating unnecessary built-in.o files since nothing
in Documentation/ is ever linked in to vmlinux.
Signed-off-by: Peter Foley <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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I got a "sched_setaffinity:: Invalid argument" error when using
err_injection_tool to inject error on a system with over 32 cpus.
Error information when injecting an error on a system with over 32 cpus:
$ ./err_injection_tool -i
/sys/devices/system/cpu/cpu0/err_inject//err_type_info
Begine at Tue Mar 26 11:20:08 2013
Configurations:
On cpu32: loop=10, interval=5(s) err_type_info=4101,err_struct_info=95
Error sched_setaffinity:: Invalid argument
All done
This because there is overflow when calculating the cpumask: the
type of (1<<k) is int, while mask[j] is unsigned long. When k > 31,
(1<<k) is truncated to ZERO, resulting in a unexpected cpumask.
Signed-off-by: Xie XiuQi <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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If write fails, remember to close(fd) before returning.
Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <[email protected]>
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Below you will find an updated version from the original series bunching all patches into one big patch
updating broken web addresses that are located in Documentation/*
Some of the addresses date as far far back as 1995 etc... so searching became a bit difficult,
the best way to deal with these is to use web.archive.org to locate these addresses that are outdated.
Now there are also some addresses pointing to .spec files some are located, but some(after searching
on the companies site)where still no where to be found. In this case I just changed the address
to the company site this way the users can contact the company and they can locate them for the users.
Signed-off-by: Justin P. Mattock <[email protected]>
Signed-off-by: Thomas Weber <[email protected]>
Signed-off-by: Mike Frysinger <[email protected]>
Cc: Paulo Marques <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Michael Neuling <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Fix up -Wmissing-prototypes in compileable userspace code, mainly under
Documentation/.
Signed-off-by: Ladinu Chandrasinghe <[email protected]>
Signed-off-by: Trevor Keith <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Fix misspelling of firmware.
Signed-off-by: Nick Andrew <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
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Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Recipe for using xen/ia64 with pv_ops domU.
Signed-off-by: Akio Takebe <[email protected]>
Signed-off-by: Isaku Yamahata <[email protected]>
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Signed-off-by: Danny ter Haar <[email protected]>
Cc: Patrick McHardy <[email protected]>
Cc: Mikael Starvik <[email protected]>
Cc: Avi Kivity <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Currently source files in the Documentation/ sub-dir can easily bit-rot
since they are not generally buildable, either because they are hidden in
text files or because there are no Makefile rules for them. This needs to
be fixed so that the source files remain usable and good examples of code
instead of bad examples.
Add the ability to build source files that are in the Documentation/ dir.
Add to Kconfig as "BUILD_DOCSRC" config symbol.
Use "CONFIG_BUILD_DOCSRC=1 make ..." to build objects from the
Documentation/ sources. Or enable BUILD_DOCSRC in the *config system.
However, this symbol depends on HEADERS_CHECK since the header files need
to be installed (for userspace builds).
Built (using cross-tools) for x86-64, i386, alpha, ia64, sparc32,
sparc64, powerpc, sh, m68k, & mips.
Signed-off-by: Randy Dunlap <[email protected]>
Reviewed-by: Sam Ravnborg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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corrections.
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Documentation on ia64/pv_ops which describes its strategy and implementation.
Signed-off-by: Isaku Yamahata <[email protected]>
Cc: Gerald Pfeifer <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Guide for creating virtual machine on kvm/ia64.
Signed-off-by: Xiantao Zhang <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
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Eliminate all build warnings. OK, these build warnings are from
a build on x86_64. When I build on ia64, I don't see warnings.
Now builds cleanly on ia64 and x86_64.
Documentation/ia64/aliasing-test.c: In function 'map_mem':
Documentation/ia64/aliasing-test.c:39: warning: implicit declaration of function 'ioctl'
Documentation/ia64/aliasing-test.c: In function 'scan_rom':
Documentation/ia64/aliasing-test.c:183: warning: format '%ld' expects type 'long int', but argument 4 has type 'int'
Documentation/ia64/aliasing-test.c: At top level:
Documentation/ia64/aliasing-test.c:208: warning: function declaration isn't a prototype
Documentation/ia64/aliasing-test.c: In function 'main':
Documentation/ia64/aliasing-test.c:259: warning: control reaches end of non-void function
Documentation/ia64/aliasing-test.c: In function 'scan_rom':
Documentation/ia64/aliasing-test.c:152: warning: 'rc' may be used uninitialized in this function
Documentation/ia64/aliasing-test.c: In function 'scan_tree':
Documentation/ia64/aliasing-test.c:68: warning: 'rc' may be used uninitialized in this function
Signed-off-by: Randy Dunlap <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Most of these fixes were already submitted for old kernel versions, and were
approved, but for some reason they never made it into the releases.
Because this is a consolidation of a couple old missed patches, it touches both
Kconfigs and documentation texts.
Signed-off-by: Matt LaPlante <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
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Example memory map (HP rx7640 with 'default' acpiconfig setting, VGA disabled):
0x00000000 - 0x3FFFBFFF supports only WB (cacheable) access
If a user attempts to perform an MMIO mmap (using the PCIIOC_MMAP_IS_MEM ioctl)
to PCI config space (like mmap'ing and accessing memory at 0xA0000),
we will MCA because the kernel will attempt to use a mapping with the UC
attribute.
So check the memory attribute in kern_mmap and the EFI memmap. If WC is
requested, and WC or UC access is supported for the region, allow it.
Otherwise, use the same attribute the kernel uses.
Updates documentation and test cases as well.
Signed-off-by: Alex Chiang <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Fix various bits of obviously-busted code which we're not happening to
compile, due to ifdefs.
Cc: "Luck, Tony" <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Jeff Garzik <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Updates documentation and adds some test cases.
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Progam accessed using /sys/devices/system/node/node0/cpu%d/err_inject/
This path only exists for CONFIG_NUMA=y systems. Better to use
/sys/devices/system/cpu/cpu%d/err_inject/ which is available on all
systems.
Signed-off-by: Tony Luck <[email protected]>
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This patch contains a documention and sample application. Since the sample
application has ~1000 lines of code, it might not be suitable in a kernel
documention in kenrel tree. If you think this is not good place to hold
the sample application, please let me know and I'm open to other choices
e.g. sourceforge etc.
Signed-off-by: Fenghua Yu <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Remove many duplicated words under Documentation/ and do other small
cleanups.
Examples:
"and and" --> "and"
"in in" --> "in"
"the the" --> "the"
"the the" --> "to the"
...
Signed-off-by: Paolo Ornati <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
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This patch fixes typos in various Documentation txts.
This patch addresses some words starting with the letter 'A'.
Signed-off-by: Matt LaPlante <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Acked-by: Alan Cox <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
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We removed 8250_acpi in 2.6.17. If we don't have PNPACPI turned on, we
won't find any ACPI serial devices, so mention this requirement in the
troubleshooting part of the documentation.
CONFIG_PNPACPI is already turned on in all the relevant defconfigs.
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: "Luck, Tony" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This closes a couple holes in our attribute aliasing avoidance scheme:
- The current kernel fails mmaps of some /dev/mem MMIO regions because
they don't appear in the EFI memory map. This keeps X from working
on the Intel Tiger box.
- The current kernel allows UC mmap of the 0-1MB region of
/sys/.../legacy_mem even when the chipset doesn't support UC
access. This causes an MCA when starting X on HP rx7620 and rx8620
boxes in the default configuration.
There's more detail in the Documentation/ia64/aliasing.txt file this
adds, but the general idea is that if a region might be covered by
a granule-sized kernel identity mapping, any access via /dev/mem or
mmap must use the same attribute as the identity mapping.
Otherwise, we fall back to using an attribute that is supported
according to the EFI memory map, or to using UC if the EFI memory
map doesn't mention the region.
Signed-off-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Add Documentation/ia64/mca.txt, an ad-hoc collection of notes on IA64
MCA and INIT processing.
Signed-off-by: Keith Owens <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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