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93862e385d
Provide livepatch modules a klp_object (un)patching notification
mechanism. Pre and post-(un)patch callbacks allow livepatch modules to
setup or synchronize changes that would be difficult to support in only
patched-or-unpatched code contexts.
Callbacks can be registered for target module or vmlinux klp_objects,
but each implementation is klp_object specific.
- Pre-(un)patch callbacks run before any (un)patching transition
starts.
- Post-(un)patch callbacks run once an object has been (un)patched and
the klp_patch fully transitioned to its target state.
Example use cases include modification of global data and registration
of newly available services/handlers.
See Documentation/livepatch/callbacks.txt for details and
samples/livepatch/ for examples.
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
8 lines
411 B
Makefile
8 lines
411 B
Makefile
obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-sample.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-mod.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-fix1.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-fix2.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-callbacks-demo.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-callbacks-mod.o
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obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-callbacks-busymod.o
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