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KPATCH_BUILD ?= /lib/modules/$(shell uname -r)/build
KPATCH_MAKE = $(MAKE) -C $(KPATCH_BUILD) M=$(PWD) CFLAGS_MODULE='$(CFLAGS_MODULE)'
LDFLAGS += $(KPATCH_LDFLAGS)
# object files that this Makefile can (re)build on its own
BUILDABLE_OBJS=$(filter-out output.o, $(wildcard *.o))
obj-m += $(KPATCH_NAME).o
ldflags-y += -T $(src)/kpatch.lds
targets += kpatch.lds
$(KPATCH_NAME)-objs += patch-hook.o output.o
all: $(KPATCH_NAME).ko
$(KPATCH_NAME).ko:
$(KPATCH_MAKE)
$(obj)/$(KPATCH_NAME).o: $(src)/kpatch.lds
patch-hook.o: patch-hook.c kpatch-patch-hook.c livepatch-patch-hook.c
clean:
$(RM) -Rf .*.o.cmd .*.ko.cmd .tmp_versions $(BUILDABLE_OBJS) *.ko *.mod.c \
Module.symvers
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