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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/Makefile
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@@ -5,13 +5,14 @@
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 obj-y     = fork.o exec_domain.o panic.o \
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 	    cpu.o exit.o softirq.o resource.o \
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-	    sysctl.o sysctl_binary.o capability.o ptrace.o user.o \
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+	    sysctl.o capability.o ptrace.o user.o \
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 	    signal.o sys.o umh.o workqueue.o pid.o task_work.o \
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 	    extable.o params.o \
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 	    kthread.o sys_ni.o nsproxy.o \
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 	    notifier.o ksysfs.o cred.o reboot.o \
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-	    async.o range.o smpboot.o ucount.o
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+	    async.o range.o smpboot.o ucount.o regset.o
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+obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o
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 obj-$(CONFIG_MODULES) += kmod.o
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 obj-$(CONFIG_MULTIUSER) += groups.o
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@@ -23,22 +24,22 @@
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 # Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
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 # in coverage traces.
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 KCOV_INSTRUMENT_softirq.o := n
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+# Avoid KCSAN instrumentation in softirq ("No shared variables, all the data
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+# are CPU local" => assume no data races), to reduce overhead in interrupts.
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+KCSAN_SANITIZE_softirq.o = n
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 # These are called from save_stack_trace() on slub debug path,
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 # and produce insane amounts of uninteresting coverage.
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 KCOV_INSTRUMENT_module.o := n
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 KCOV_INSTRUMENT_extable.o := n
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+KCOV_INSTRUMENT_stacktrace.o := n
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 # Don't self-instrument.
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 KCOV_INSTRUMENT_kcov.o := n
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 KASAN_SANITIZE_kcov.o := n
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-CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
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-
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-ifndef CONFIG_CFI_CLANG
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-# cond_syscall is currently not gcc LTO compatible
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-CFLAGS_sys_ni.o = $(DISABLE_LTO)
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-endif
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+KCSAN_SANITIZE_kcov.o := n
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+CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
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 # Don't instrument error handlers
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-CFLAGS_cfi.o = $(DISABLE_CFI_CLANG)
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+CFLAGS_REMOVE_cfi.o := $(CC_FLAGS_CFI)
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 obj-y += sched/
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 obj-y += locking/
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@@ -48,8 +49,9 @@
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 obj-y += rcu/
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 obj-y += livepatch/
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 obj-y += dma/
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+obj-y += entry/
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-obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
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+obj-$(CONFIG_KCMP) += kcmp.o
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 obj-$(CONFIG_FREEZER) += freezer.o
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 obj-$(CONFIG_PROFILING) += profile.o
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 obj-$(CONFIG_STACKTRACE) += stacktrace.o
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@@ -63,12 +65,14 @@
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 obj-$(CONFIG_UID16) += uid16.o
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 obj-$(CONFIG_MODULES) += module.o
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 obj-$(CONFIG_MODULE_SIG) += module_signing.o
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+obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
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 obj-$(CONFIG_KALLSYMS) += kallsyms.o
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 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
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 obj-$(CONFIG_CRASH_CORE) += crash_core.o
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 obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
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 obj-$(CONFIG_KEXEC) += kexec.o
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 obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
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+obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o
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 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
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 obj-$(CONFIG_COMPAT) += compat.o
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 obj-$(CONFIG_CGROUPS) += cgroup/
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@@ -80,9 +84,7 @@
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 obj-$(CONFIG_SMP) += stop_machine.o
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 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
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 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
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-obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
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-obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o audit_fsnotify.o
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-obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
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+obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o
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 obj-$(CONFIG_GCOV_KERNEL) += gcov/
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 obj-$(CONFIG_KCOV) += kcov.o
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 obj-$(CONFIG_KPROBES) += kprobes.o
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@@ -106,8 +108,10 @@
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 obj-$(CONFIG_IRQ_WORK) += irq_work.o
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 obj-$(CONFIG_CPU_PM) += cpu_pm.o
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 obj-$(CONFIG_BPF) += bpf/
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-obj-$(CONFIG_CFI_CLANG) += cfi.o
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+obj-$(CONFIG_KCSAN) += kcsan/
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 obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
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+obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call.o
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+obj-$(CONFIG_CFI_CLANG) += cfi.o
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 obj-$(CONFIG_PERF_EVENTS) += events/
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..
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@@ -119,24 +123,34 @@
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 obj-$(CONFIG_TORTURE_TEST) += torture.o
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 obj-$(CONFIG_HAS_IOMEM) += iomem.o
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-obj-$(CONFIG_ZONE_DEVICE) += memremap.o
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 obj-$(CONFIG_RSEQ) += rseq.o
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+obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
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-$(obj)/configs.o: $(obj)/config_data.h
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+obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
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-targets += config_data.gz
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-$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
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+CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
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+obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
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+KASAN_SANITIZE_stackleak.o := n
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+KCSAN_SANITIZE_stackleak.o := n
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+KCOV_INSTRUMENT_stackleak.o := n
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+
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+obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o
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+
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+$(obj)/configs.o: $(obj)/config_data.gz
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+
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+targets += config_data config_data.gz
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+$(obj)/config_data.gz: $(obj)/config_data FORCE
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 	$(call if_changed,gzip)
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-      filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;")
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-targets += config_data.h
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-$(obj)/config_data.h: $(obj)/config_data.gz FORCE
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-	$(call filechk,ikconfiggz)
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+filechk_cat = cat $<
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+
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+$(obj)/config_data: $(KCONFIG_CONFIG) FORCE
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+	$(call filechk,cat)
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 $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz
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 quiet_cmd_genikh = CHK     $(obj)/kheaders_data.tar.xz
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-cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
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+      cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
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 $(obj)/kheaders_data.tar.xz: FORCE
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 	$(call cmd,genikh)
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