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2013-04-02Fix example error_injection_toolXie XiuQi1-1/+1
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 <xiexiuqi@huawei.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2012-09-01doc: aliasing-test: close fd on write errorJesper Juhl1-0/+1
If write fails, remember to close(fd) before returning. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-03-31Fix common misspellingsLucas De Marchi1-1/+1
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2010-08-04Documentation: update broken web addresses.Justin P. Mattock2-3/+1
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became a bit difficult, the best way to deal with these is to use web.archive.org to locate these addresses that are outdated.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 <justinmattock@gmail.com> Signed-off-by: Thomas Weber <weber@corscience.de> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Cc: Paulo Marques <pmarques@grupopie.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Michael Neuling <mikey@neuling.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-23Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGSLadinu Chandrasinghe1-4/+4
Fix up -Wmissing-prototypes in compileable userspace code, mainly under Documentation/. Signed-off-by: Ladinu Chandrasinghe <ladinu.pub@gmail.com> Signed-off-by: Trevor Keith <tsrk@tsrk.net> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-30trivial: Fix misspelling of firmwareNick Andrew1-1/+1
Fix misspelling of firmware. Signed-off-by: Nick Andrew <nick@nick-andrew.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-10-30.gitignore updatesAlexey Dobriyan1-0/+1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-17ia64/xen: a recipe for using xen/ia64 with pv_ops.Isaku Yamahata1-0/+183
Recipe for using xen/ia64 with pv_ops domU. Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-10-16fix random typosDanny ter Haar1-4/+5
Signed-off-by: Danny ter Haar <dth@cistron.nl> Cc: Patrick McHardy <kaber@trash.net> Cc: Mikael Starvik <starvik@axis.com> Cc: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-12docsrc: build Documentation/ sourcesRandy Dunlap1-0/+8
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 <randy.dunlap@oracle.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-26Documentation cleanup: trivial misspelling, punctuation, and grammar ↵Matt LaPlante1-4/+4
corrections. Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-27[IA64] pvops: documentation on ia64/pv_opsIsaku Yamahata1-0/+137
Documentation on ia64/pv_ops which describes its strategy and implementation. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Cc: Gerald Pfeifer <gp@novell.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-04-27KVM: ia64: Add a guide about how to create kvm guests on ia64Xiantao Zhang1-0/+82
Guide for creating virtual machine on kvm/ia64. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-02-04[IA64] aliasing-test: fix gcc warnings on non-ia64Randy Dunlap1-6/+9
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 <randy.dunlap@oracle.com> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-10-20typo fixesMatt LaPlante1-3/+3
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 <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
2007-07-11[IA64] prevent MCA when performing MMIO mmap to PCI config spaceAlex Chiang2-7/+31
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 <achiang@hp.com> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-06-01parse errors in ifdefsYoann Padioleau1-1/+1
Fix various bits of obviously-busted code which we're not happening to compile, due to ifdefs. Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Jan Kara <jack@ucw.cz> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-04-30Pull mem-attribute into release branchTony Luck2-34/+284
2007-03-30[IA64] update memory attribute aliasing documentation & test casesBjorn Helgaas2-34/+284
Updates documentation and adds some test cases. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-02-05[IA64] Fix example error injection programTony Luck1-1/+1
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 <tony.luck@intel.com>
2007-01-29[IA64] Itanium MC Error Injection Tool: Doc and sample applicationFenghua Yu1-0/+1068
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 <fenghua.yu@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-10-03Documentation: remove duplicated wordsPaolo Ornati2-3/+3
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 <ornati@fastwebnet.it> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03Fix some typos in Documentation/: 'A'Matt LaPlante1-1/+1
This patch fixes typos in various Documentation txts. This patch addresses some words starting with the letter 'A'. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-10-03[PATCH] ia64: note requirement for 8250_pnp, now that 8250_acpi is goneBjorn Helgaas1-0/+7
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 <bjorn.helgaas@hp.com> Acked-by: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-08[IA64] rework memory attribute aliasingBjorn Helgaas1-0/+208
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 <bjorn.helgaas@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-09-16[IA64] Add Documentation/ia64/mca.txtKeith Owens1-0/+194
Add Documentation/ia64/mca.txt, an ad-hoc collection of notes on IA64 MCA and INIT processing. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds5-0/+670
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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