- 11 Jun, 2010 8 commits
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Michal Marek authored
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Nicolas Palix authored
Add a Coccinelle file to identify the dereferences of NULL variables This semantic patch identifies when a variable is known to be NULL after a test, but it is still dereferenced later. Signed-off-by:
Nicolas Palix <npalix@diku.dk> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
Michal Marek <mmarek@suse.cz>
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Nicolas Palix authored
Add a Coccinelle file to use the ERR_CAST function Before the release 2.6.25, one had to use ERR_PTR(PTR_ERR(...)) to convert the pointer type of an error. Since then, the function ERR_CAST has been available for that purpose. Signed-off-by:
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Nicolas Palix authored
This semantic patch replaces explicit computations of resource size by a call to resource_size. Signed-off-by:
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Nicolas Palix authored
This semantic patch replaces a pair of calls to kmalloc and memset by a single call to kzalloc. It only looks for simple cases to avoid false positives. Signed-off-by:
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Nicolas Palix authored
The purpose of this semantic patch is to remove useless casts, as mentioned in the Linux documentation. See Chapter 14 in Documentation/CodingStyle for more information. Signed-off-by:
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Nicolas Palix authored
The purpose of this file is to document how to use Coccinelle and its spatch tool to check the Linux kernel. It gives information on where and how to retrieve Coccinelle, and how to use it with the Coccinelle scripts integrated in the Linux kernel. Signed-off-by:
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Nicolas Palix authored
A 'coccicheck' target is added. It can be called with four different modes. Each one generates a different kind of output, i.e. context, patch, org, report, according to the corresponding mode to be activated. The new target calls the 'coccicheck' front-end in the 'scripts' directory with the MODE argument. Every SmPL file in the subdirectories of 'scripts/coccinelle' is then given to the front-end and applied to the entire source tree. The four modes behave as follows: 'report' generates a list in the following format: file:line:column-column: message 'patch' proposes a fix, when possible. 'context' highlights lines of interest and their context in a diff-like style. Lines of interest are indicated with '-'. 'org' generates a report in the Org mode format of Emacs. Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Acked-by:
Joerg Roedel <joerg.roedel@amd.com> Signed-off-by:
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- 04 Jun, 2010 1 commit
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Rabin Vincent authored
Remove bashisms to make scripts/decodecode work with other shells. Signed-off-by:
Rabin Vincent <rabin@rab.in> Reviewed-by:
WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by:
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- 03 Jun, 2010 3 commits
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Michal Marek authored
os user <gnusercn@gmail.com> writes: From the last comment, arch makefile will override vmlinux. It seems vmlinux will not be checked by `make'. But from my test, although `all:' will be re-defined in arch Makefile (ARM arch), vmlinux will still be checked and the commands associated will be executed. Should we use another word instead of "overridden"? Reported-by:
os user <gnusercn@gmail.com> Signed-off-by:
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Roland Dreier authored
Quite a few Kconfig symbols contain lowercase letters. The current checkkconfigsymbols.sh code only contains A-Z in the regexp it uses to find config symbols in source code, so it comes up with the wrong symbol to look for in Kconfig files and then generates false positives when it doesn't find that wrong symbol. For example checking drivers/net generates a false positive for MAC89 because the the actual config option is MAC89x0. Fix this by also adding a-z to the regexp. Signed-off-by:
Roland Dreier <rolandd@cisco.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Américo Wang authored
scripts/kconfig/nconf is generated by 'make nconfig', add it into .gitignore. Signed-off-by:
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- 27 May, 2010 1 commit
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Michal Marek authored
A more complete patch in the kernel-doc tree also contains this change. Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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- 06 May, 2010 1 commit
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Greg Thelen authored
I'm looking Makefile in the -mm branch (dated 2010-04-28-16-53) and seeing what looks like a bug in the checking of scm-identifier. The "ifneq ($scm-identifier)" seems to always execute "ifeq ($(LOCALVERSION,)) ...". This patch fixes the checking of scm-identifier. Signed-off-by:
Greg Thelen <gthelen@google.com> Acked-by:
David Rientjes <rientjes@google.com> Signed-off-by:
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- 14 Apr, 2010 6 commits
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Li Zefan authored
There's a button in gconfig to "Show all options", but I think normally we are not interested in those configs which have no prompt and thus can't be changed, so here I add a new button to show hidden options which have prompts. Signed-off-by:
Li Zefan <lizf@cn.fujitsu.com> Signed-off-by:
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Li Zefan authored
Usage: Press <Z> to show all config symbols which have prompts. Quote Tim Bird: | I've been bitten by this numerous times. I most often | use ftrace on ARM, but when I go back to x86, I almost | always go through a sequence of searching for the | function graph tracer in the menus, then realizing it's | completely missing until I disable CC_OPTIMIZE_FOR_SIZE. | | Is there any way to have the menu item appear, but be | unsettable unless the SIZE option is disabled? I'm | not a Kconfig guru... I myself found this useful too. For example, I need to test ftrace/tracing and want to be sure all the tracing features are enabled, so I enter the "Tracers" menu, and press <Z> to see if there is any config hidden. I also noticed gconfig and xconfig have a button "Show all options", but that's a bit too much, and I think normally what we are not interested in those configs which have no prompt thus can't be changed by users. Exmaple: --- Tracers -*- Kernel Function Tracer - - Kernel Function Graph Tracer [*] Interrupts-off Latency Tracer - - Preemption-off Latency Tracer [*] Sysprof Tracer Here you can see 2 tracers are not selectable, and then can find out how to make them selectable. Signed-off-by: -
Li Zefan authored
This option is a no-op, so remove it. Signed-off-by:
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Li Zefan authored
Just use sym_get_type() and prop_get_type_name(). Signed-off-by:
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Li Zefan authored
zconfdump(), which is used for debugging, can't recognize P_SELECT, P_RANGE and P_MENU (if associated with a symbol, aka "menuconfig"), and output something like this: config X86 boolean default y unknown prop 6! unknown prop 6! unknown prop 6! ... Signed-off-by:
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Li Zefan authored
- fix a typo in documentation - fix a typo in a printk on error - fix comments in dialog_inputbox() Signed-off-by:
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- 08 Apr, 2010 1 commit
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Jan III Sobieski authored
Signed-off-by:
Jan III Sobieski <jan3sobi3ski@gmail.com> Signed-off-by:
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- 23 Mar, 2010 4 commits
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Jason Gunthorpe authored
Expand the dependency set used for the initrd to include the CONFIG_INITRAMFS_SOURCE file and the generator script itself. Otherwise changing the initramfs file list does not rebuild the CPIO. Signed-off-by:
Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by:
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Li Zefan authored
A symbol's value won't be recalc-ed until we save config file or enter the menu where the symbol sits. So If I enable OPTIMIZE_FOR_SIZE, and search FUNCTION_GRAPH_TRACER: Symbol: FUNCTION_GRAPH_TRACER [=y] Prompt: Kernel Function Graph Tracer Defined at kernel/trace/Kconfig:140 Depends on: ... [=y] && (!X86_32 [=y] || !CC_OPTIMIZE_FOR_SIZE [=y]) ... From the dependency it should result in FUNCTION_GRAPH_TRACER=n, but it still shows FUNCTION_GRAPH_TRACER=y. Signed-off-by: -
Philipp Kohlbecher authored
Ignore files compressed with lzop. Signed-off-by:
Philipp Kohlbecher <xt28@gmx.de> Signed-off-by:
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Stephen Hemminger authored
Minor perlcritic warning: headerdep.pl: "return" statement with explicit "undef" at line 84, column 2. See page 199 of PBP. (Severity: 5) The rationale according to PBP is that an explicit return of undef (contrary to most people's expectations) doesn't always evaluate as false. It has to with the fact that perl return value depends on context the function is called. If function is used in list context, the appropriate return value for false is an empty list; whereas in scalar context the return value for false is undefined. By just using a "return" both cases are handled. In the context of a trivial script this doesn't matter. But one script may be cut-paste into later code (most people like me only know 50% of perl), that is why perlcritic always complains Signed-off-by:
Stephen Hemminger <shemminger@vyatta.com> Signed-off-by:
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- 11 Mar, 2010 1 commit
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Wu Zhangjin authored
The output of LZO is not aligned with the other output: ... CC drivers/usb/mon/usbmon.mod.o LZO arch/mips/boot/compressed/vmlinux.lzo ... This patch fixes it. Signed-off-by:
Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by:
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- 10 Mar, 2010 1 commit
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Michal Marek authored
The previous approach didn't work if one did make modules && make modules_install Add modules.builtin as dependency of _modinst_, which is the target that actually needs the file. Reported-by:
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- 08 Mar, 2010 2 commits
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Michal Marek authored
This reverts commit eb8f844c. Ian Campbell writes: > I keep my kernel source tree on a more powerful build box where I run my > builds etc (including "make cscope") but run my editor from my > workstation with an NFS mount to the source. This worked fine for me > using relative paths for cscope. Using absolute paths in cscope breaks > this previously working setup because the root path is not the same on > both systems. I guess this is similar to moving the source tree around. > > Without wanting to start a flamewar it really sounds to me like we are > working around a vim (or cscope) bug here, emacs with cscope bindings > works fine in this configuration. Given that absolute paths can be forced by make O=. cscope, change the default back to relative paths. Ian Campbell <ijc@hellion.org.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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Michal Marek authored
Only regenerate it if the configuration has changed. Also, do this after the modules build to fix errors with some weird Makefiles that are generated during build. Reported-by:
Eric Miao <eric.y.miao@gmail.com> Signed-off-by:
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- 07 Mar, 2010 9 commits
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Stephen Hemminger authored
Better practice to use 3 arg open and local file handles. Signed-off-by:
WANG Cong <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by:
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Stephen Hemminger authored
According to PBP; best way practice is to use local reference for file handle and three argument open. Also perl prototypes are a mistake. Signed-off-by:
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Stephen Hemminger authored
Use local file handles, use three argument open. Don't modify arguments in perl grep (use sed instead) Signed-off-by:
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Stephen Hemminger authored
Turn on strict checking. Simplify code by using "unless" statement. Signed-off-by:
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Stephen Hemminger authored
Use local file handle not global. Make loop and other variables local in scope. Signed-off-by:
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Stephen Hemminger authored
Turn on strict checking. Use three arguement open Standard practice in perl is to use undef not zero for false Signed-off-by:
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Stephen Hemminger authored
Turn on strict checking. Use local file handles. Use three argument open. Signed-off-by:
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Stephen Hemminger authored
Cleanup checkstack script: * Turn on strict checking * Fix resulting error message because the declaration syntax was incorrect. * Remove incorrect and misleading use of prototype - prototype not required for this type of sort function because $a and $b are being used in this contex - if prototype was being used it should be for both arguments * Use closure for sort function Signed-off-by: -
FEJES Jozsef authored
This patch creates the standard md5sums file for 'make deb-pkg' just like the dh_md5sums debhelper script. Signed-off-by:
Jozsef Fejes <fejes@joco.name> Signed-off-by:
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- 03 Mar, 2010 2 commits
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Denys Vlasenko authored
Signed-off-by:
Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by:
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Denys Vlasenko authored
Signed-off-by:
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