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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

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Pull livepatching updates from Jiri Kosina:

 - support for something we call 'atomic replace', and allows for much
   better handling of cumulative patches (which is something very useful
   for distros), from Jason Baron with help of Petr Mladek and Joe
   Lawrence

 - improvement of handling of tasks blocking finalization, from Miroslav
   Benes

 - update of MAINTAINERS file to reflect move towards group
   maintainership

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching: (22 commits)
  livepatch/selftests: use "$@" to preserve argument list
  livepatch: Module coming and going callbacks can proceed with all listed patches
  livepatch: Proper error handling in the shadow variables selftest
  livepatch: return -ENOMEM on ptr_id() allocation failure
  livepatch: Introduce klp_for_each_patch macro
  livepatch: core: Return EOPNOTSUPP instead of ENOSYS
  selftests/livepatch: add DYNAMIC_DEBUG config dependency
  livepatch: samples: non static warnings fix
  livepatch: update MAINTAINERS
  livepatch: Remove signal sysfs attribute
  livepatch: Send a fake signal periodically
  selftests/livepatch: introduce tests
  livepatch: Remove ordering (stacking) of the livepatches
  livepatch: Atomic replace and cumulative patches documentation
  livepatch: Remove Nop structures when unused
  livepatch: Add atomic replace
  livepatch: Use lists to manage patches, objects and functions
  livepatch: Simplify API by removing registration step
  livepatch: Don't block the removal of patches loaded after a forced transition
  livepatch: Consolidate klp_free functions
  ...
This commit is contained in:
Linus Torvalds
2019-03-08 08:58:25 -08:00
parent 851ca779d1 f9d1381456
commit b7af27bf94
35 changed files with 2856 additions and 1278 deletions
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23
lib/Kconfig.debug
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@@ -1985,6 +1985,28 @@ config TEST_MEMCAT_P
If unsure, say N.
config TEST_LIVEPATCH
tristate "Test livepatching"
default n
depends on DYNAMIC_DEBUG
depends on LIVEPATCH
depends on m
help
Test kernel livepatching features for correctness. The tests will
load test modules that will be livepatched in various scenarios.
To run all the livepatching tests:
make -C tools/testing/selftests TARGETS=livepatch run_tests
Alternatively, individual tests may be invoked:
tools/testing/selftests/livepatch/test-callbacks.sh
tools/testing/selftests/livepatch/test-livepatch.sh
tools/testing/selftests/livepatch/test-shadow-vars.sh
If unsure, say N.
config TEST_OBJAGG
tristate "Perform selftest on object aggreration manager"
default n
@@ -1993,7 +2015,6 @@ config TEST_OBJAGG
Enable this option to test object aggregation manager on boot
(or module load).
If unsure, say N.
endif # RUNTIME_TESTING_MENU