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Minor changes to the gcc plugins:

Browse source 
- Add the gcc plugins Makefile to MAINTAINERS to route things correctly
 
 - Hide cyc_complexity behind !CONFIG_TEST for the future unhiding of
   plugins generally.
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Merge tag 'gcc-plugins-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc plugins updates from Kees Cook:
 "Minor changes to the gcc plugins:

   - add the gcc plugins Makefile to MAINTAINERS to route things
     correctly

   - hide cyc_complexity behind !CONFIG_TEST for the future unhiding of
     plugins generally"

* tag 'gcc-plugins-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: Adjust Kconfig to avoid cyc_complexity
  MAINTAINERS: add GCC plugins Makefile
This commit is contained in:
Linus Torvalds 2016-12-13 09:22:21 -08:00
commit 22d8262c33
2 changed files with 7 additions and 1 deletions
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1
MAINTAINERS
View file

@ -5239,6 +5239,7 @@ L: kernel-hardening@lists.openwall.com
S: Maintained S: Maintained
F: scripts/gcc-plugins/ F: scripts/gcc-plugins/
F: scripts/gcc-plugin.sh F: scripts/gcc-plugin.sh
F: scripts/Makefile.gcc-plugins
F: Documentation/gcc-plugins.txt F: Documentation/gcc-plugins.txt
GCOV BASED KERNEL PROFILING GCOV BASED KERNEL PROFILING

7
arch/Kconfig
View file

@ -364,8 +364,9 @@ menuconfig GCC_PLUGINS
See Documentation/gcc-plugins.txt for details. See Documentation/gcc-plugins.txt for details.
config GCC_PLUGIN_CYC_COMPLEXITY config GCC_PLUGIN_CYC_COMPLEXITY
bool "Compute the cyclomatic complexity of a function" bool "Compute the cyclomatic complexity of a function" if EXPERT
depends on GCC_PLUGINS depends on GCC_PLUGINS
depends on !COMPILE_TEST
help help
The complexity M of a function's control flow graph is defined as: The complexity M of a function's control flow graph is defined as:
M = E - N + 2P M = E - N + 2P
@ -375,6 +376,10 @@ config GCC_PLUGIN_CYC_COMPLEXITY
N = the number of nodes N = the number of nodes
P = the number of connected components (exit nodes). P = the number of connected components (exit nodes).
Enabling this plugin reports the complexity to stderr during the
build. It mainly serves as a simple example of how to create a
gcc plugin for the kernel.
config GCC_PLUGIN_SANCOV config GCC_PLUGIN_SANCOV
bool bool
depends on GCC_PLUGINS depends on GCC_PLUGINS