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* Merge branch 'misc' of ↵Linus Torvalds2010-10-2829-476/+1597
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (39 commits) Revert "namespace: add source file location exceptions" Coccinelle: Add contextual message Coccinelle: Fix documentation Coccinelle: Find doubled arguments to boolean or bit operators. Coccinelle: Find nested lock+irqsave functions that use the same flags variables. namespace: add source file location exceptions scripts/extract-ikconfig: add support for bzip2, lzma and lzo kbuild: check return value of asprintf() scripts/namespace.pl: improve to get more correct results scripts/namespace.pl: some bug fixes scripts/namespace.pl: update file exclusion list scripts/namespace.pl: fix wrong source path Coccinelle: Use the -no_show_diff option for org and report mode Coccinelle: Add a new mode named 'chain' Coccinelle: Use new comment format to explain kfree.cocci Coccinelle: Improve user information with a new kind of comment Coccinelle: Update documentation MAINTAINERS: Coccinelle: Update email address Documentation/kbuild: modules.txt cleanup Documentation/kbuild: major edit of modules.txt sections 5-8 ...
| * Revert "namespace: add source file location exceptions"Michal Marek2010-10-281-24/+0
| | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 24a54f7974a616385b96cd939e004592e2cea484. Stephen Hemminger <shemminger@vyatta.com> writes: > That patch should not be included. It causes more problems than it > solves, since then there are duplicate file locations which causes > false duplicate symbol reports. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Coccinelle: Add contextual messageNicolas Palix2010-10-281-3/+13
| | | | | | | | | | | | | | | | | | | | Change the message displayed to the user according to the current mode used. Fix trailing white-space and spelling Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Coccinelle: Fix documentationNicolas Palix2010-10-281-4/+4
| | | | | | | | | | | | | | | | | | A file used as example has been moved elsewhere. Update the documentation accordingly Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Reported-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Coccinelle: Find doubled arguments to boolean or bit operators.Julia Lawall2010-10-282-0/+94
| | | | | | | | | | | | Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Coccinelle: Find nested lock+irqsave functions that use the same flags ↵Julia Lawall2010-10-281-0/+80
| | | | | | | | | | | | | | | | variables. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * namespace: add source file location exceptionsStephen Hemminger2010-10-281-0/+24
| | | | | | | | | | | | | | | | | | | | Teach namespace checker about some special case files where the source is in unusual location. This fixes many of the source file not found errors (more can be added), and also prevents false positives for functions not being used. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * scripts/extract-ikconfig: add support for bzip2, lzma and lzoDick Streefland2010-10-281-14/+27
| | | | | | | | | | | | | | | | | | | | | | | | Add support for kernels compressed with bzip2, lzma or lzo to the extract-ikconfig script. Fixes kernel bugzilla #19852: https://bugzilla.kernel.org/show_bug.cgi?id=19852 Signed-off-by: Dick Streefland <dick@streefland.net> Tested-by: Justin <jlec@gentoo.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * kbuild: check return value of asprintf()Namhyung Kim2010-10-281-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Check return value of asprintf() in docsect() and exit if error occurs. This removes following warning: HOSTCC scripts/basic/docproc scripts/basic/docproc.c: In function ‘docsect’: scripts/basic/docproc.c:336: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Merge commit 'v2.6.36' into kbuild/miscMichal Marek2010-10-2818453-1239115/+1750083
| |\ | | | | | | | | | | | | Update to be able to fix a recent change to scripts/basic/docproc.c (commit eda603f).
| * | scripts/namespace.pl: improve to get more correct resultsAmerigo Wang2010-10-281-9/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Exclude more symbols from arch/x86/vdso/ and arch/x86/boot/; add some more linker-defined symbols into exception list; add other cond_syscalls besides "sys_*". Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/namespace.pl: some bug fixesAmerigo Wang2010-10-281-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Teach namespace.pl to understand "V" and "v" 2. cond_syscalls are moved into kernel/sys_ni.c Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/namespace.pl: update file exclusion listStephen Hemminger2010-10-281-47/+56
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/namespace.pl: fix wrong source pathAmerigo Wang2010-10-281-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | File::Find will do chdir automatically, so we need to get the absolute patch with $File::Find::dir. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Use the -no_show_diff option for org and report modeNicolas Palix2010-10-131-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | This allows to write the semantic patches with code sharing for the matching parts. Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add a new mode named 'chain'Nicolas Palix2010-10-131-5/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | spatch now returns -1 when a virtual rule (given with -D on the command line) is not defined in the semantic patch. Using this spatch feature, coccicheck is now tries several modes by default, in the order: patch, report, context, org Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Use new comment format to explain kfree.cocciNicolas Palix2010-10-131-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Use new comment format to separate proposed commit message and information about generated false positives Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Improve user information with a new kind of commentNicolas Palix2010-10-131-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve user information with a new kind of comment about semantic patch output. Fix spelling. Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Update documentationNicolas Palix2010-10-131-7/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add information about use of the C={1,2} make flag - Add a description of the new chain mode mechanism - Add a link to the wiki Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | MAINTAINERS: Coccinelle: Update email addressNicolas Palix2010-10-131-1/+1
| | | | | | | | | | | | | | | | | | | | | Update my email address Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Documentation/kbuild: modules.txt cleanupmatt mooney2010-10-051-30/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A few modifications done for consistency, such as adding the shell prompt for command line examples and trailing slash for directories. Also corrects the module include header and fixes a few grammar issues that I introduced. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Documentation/kbuild: major edit of modules.txt sections 5-8matt mooney2010-09-291-181/+177
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A follow-up to my edit of the first 4 sections. Shift sections down by one due to the deletion of section 3; grammar corrections along with some rewording; margin width cleanup; and change EXTRA_CFLAGS -> ccflags-y. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Documentation/kbuild: major edit of modules.txt sections 1-4matt mooney2010-09-291-198/+189
| | | | | | | | | | | | | | | | | | | | | | | | | | | Omit needless words and sentences; reorganize and tighten sentence structure; swap sections 2.2 and 2.3 for a more logical flow; remove section 3, therefore shifting 4->3; add to explanations; and add section on building multiple modules. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add misc/ifcol.cocciNicolas Palix2010-08-311-0/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find confusingly indented code in or after an if. An if branch should be indented. The code following an if should not be indented. Sometimes, code after an if that is indented is actually intended to be part of the if branch. This has a high rate of false positives, because Coccinelle's column calculation does not distinguish between spaces and tabs, so code that is not visually aligned may be considered to be in the same column. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add misc/doubleinit.cocciNicolas Palix2010-08-311-0/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find duplicate field initializations. This has a high rate of false positives due to #ifdefs, which Coccinelle is not aware of in a structure initialization. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Move alloc directory into api directoryNicolas Palix2010-08-312-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | alloc contains various semantic patches related to the allocation APIs Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Move resource_size.cocci to the api directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Move err_cast.cocci to the api directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add api/memdup_userNicolas Palix2010-08-311-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | Use kmemdup_user rather than duplicating its implementation This is a little bit restricted to reduce false positives Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add api/memdup.cocciNicolas Palix2010-08-311-0/+40
| | | | | | | | | | | | | | | | | | | | | | | | Use kmemdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add api/kstrdup.cocciNicolas Palix2010-08-311-0/+39
| | | | | | | | | | | | | | | | | | | | | | | | Use kstrdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add free/kfree.cocciNicolas Palix2010-08-311-0/+116
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find a use after free. Values of variables may imply that some execution paths are not possible, resulting in false positives. Another source of false positives are macros such as SCTP_DBG_OBJCNT_DEC that do not actually evaluate their argument Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add iterators/list_entry_update.cocciNicolas Palix2010-08-311-0/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | list_for_each_entry uses its first argument to get from one element of the list to the next, so it is usually not a good idea to reassign it. The first rule finds such a reassignment and the second rule checks that there is a path from the reassignment back to the top of the loop. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add iterators/itnull.cocciNicolas Palix2010-08-311-0/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many iterators have the property that the first argument is always bound to a real list element, never NULL. False positives arise for some iterators that do not have this property, or in cases when the loop cursor is reassigned. The latter should only happen when the matched code is on the way to a loop exit (break, goto, or return). Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add iterators/fen.cocciNicolas Palix2010-08-311-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | for_each_node iterators only exit normally when the loop cursor is NULL, so there is no point to call of_node_put on the final value. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add locks/mini_lock.cocciNicolas Palix2010-08-311-0/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find missing unlocks. This semantic match considers the specific case where the unlock is missing from an if branch, and there is a lock before the if and an unlock after the if. False positives are due to cases where the if branch represents a case where the function is supposed to exit with the lock held, or where there is some preceding function call that releases the lock. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add locks/double_lock.cocciNicolas Palix2010-08-311-0/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find double locks. False positives may occur when some paths cannot occur at execution, due to the values of variables, and when there is an intervening function call that releases the lock. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add locks/call_kern.cocciNicolas Palix2010-08-311-0/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find functions that refer to GFP_KERNEL but are called with locks held. The proposed change of converting the GFP_KERNEL is not necessarily the correct one. It may be desired to unlock the lock, or to not call the function under the lock in the first place. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Move deref_null.cocci to a more appropriate directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | deref_null.cocci is moved to the 'null' directory which contains other null related rules. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add null/kmerr.cocciNicolas Palix2010-08-311-0/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This semantic patch looks for kmalloc etc that are not followed by a NULL check. It only gives a report in the case where there is some error handling code later in the function, which may be helpful in determining what the error handling code for the call to kmalloc etc should be. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Coccinelle: Add null/eno.cocciNicolas Palix2010-08-311-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | The various basic memory allocation functions don't return ERR_PTR Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'kconfig' of ↵Linus Torvalds2010-10-2850-955/+946
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (38 commits) kbuild: convert `arch/tile' to the kconfig mainmenu upgrade README: cite nconfig Revert "kconfig: Temporarily disable dependency warnings" kconfig: Use PATH_MAX instead of 128 for path buffer sizes. kconfig: Fix realloc usage() kconfig: Propagate const kconfig: Don't go out from read config loop when you read new symbol kconfig: fix menuconfig on debian lenny kbuild: migrate all arch to the kconfig mainmenu upgrade kconfig: expand file names kconfig: use the file's name of sourced file kconfig: constify file name kconfig: don't emit warning upon rootmenu's prompt redefinition kconfig: replace KERNELVERSION usage by the mainmenu's prompt kconfig: delay gconf window initialization kconfig: expand by default the rootmenu's prompt kconfig: add a symbol string expansion helper kconfig: regen parser kconfig: implement the `mainmenu' directive kconfig: allow PACKAGE to be defined on the compiler's command-line ... Fix up trivial conflict in arch/mn10300/Kconfig
| * | | kbuild: convert `arch/tile' to the kconfig mainmenu upgradeArnaud Lacombe2010-10-281-2/+0
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Merge branch 'message-callback' into kbuild/kconfigMichal Marek2010-10-283-48/+40
| |\ \ \ | | | | | | | | | | | | | | | | | | | | Conflicts: scripts/kconfig/nconf.c
| | * | | kconfig: Allow frontends to display messages themselvesMichal Marek2010-08-173-48/+40
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | README: cite nconfigAndrea Gelmini2010-10-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Revert "kconfig: Temporarily disable dependency warnings"Michal Marek2010-10-121-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 71ebc01, which was a 2.6.36-only stopgap solution. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Merge branch 'kbuild/rc-fixes' into kbuild/kconfigMichal Marek2010-10-128541-596263/+544813
| |\ \ \ \ | | | | | | | | | | | | | | | | | | We need to revert the temporary hack in 71ebc01, hence the merge.
| * | | | | kconfig: Use PATH_MAX instead of 128 for path buffer sizes.Will Newton2010-10-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This prevents the buffers being overflowed when using a config file with a long name. PATH_MAX is used elsewhere in the same file, so use it here as well. Signed-off-by: Will Newton <will.newton@imgtec.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | | kconfig: Fix realloc usage()Michal Marek2010-09-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michal Marek <mmarek@suse.cz>
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