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* update Coccinelle URLJulia Lawall2022-08-074-4/+4
| | | | Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505Thomas Gleixner2019-06-194-12/+16
| | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* coccinelle: mini_lock: improve performanceJulia Lawall2018-05-221-2/+4
| | | | | | | | | Replace <+... ...+> by ... when any. <+... ...+> is slow, and in some obscure cases involving backward jumps it doesn't force the unlock to actually come after the end of the if. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* Coccinelle: Update the options used to the new option schemeNicolas Palix2013-07-034-4/+4
| | | | | | | | | | | | spatch has changed its option scheme. E.g., --no_show_diff is now --no-show-diff This patch updates: - scripts/coccicheck - Semantic patches under scripts/coccinelle/ Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* scripts/coccinelle: improve the coverage of some semantic patchesJulia Lawall2012-01-153-31/+63
| | | | | | | | | | This patch ensures that all semantic patches in the scripts/coccinelle directory provide the report option. Report messages that include line numbers now have the line number preceded by "line" for easier subsequent processing. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> 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>
* 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>
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