1# SPDX-License-Identifier: GPL-2.0
 2ifdef CONFIG_FUNCTION_TRACER
 3CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE)
 4endif
 
 5
 6# These files are disabled because they produce non-interesting flaky coverage
 7# that is not a function of syscall inputs. E.g. involuntary context switches.
 8KCOV_INSTRUMENT := n
 9
 
 
 
 
 
10ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
11# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
12# needed for x86 only.  Why this used to be enabled for all architectures is beyond
13# me.  I suspect most platforms don't need this, but until we know that for sure
14# I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
15# to get a correct value for the wait-channel (WCHAN in ps). --davidm
16CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
17endif
18
19obj-y += core.o loadavg.o clock.o cputime.o
20obj-y += idle.o fair.o rt.o deadline.o
21obj-y += wait.o wait_bit.o swait.o completion.o
22
23obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o topology.o stop_task.o
24obj-$(CONFIG_SCHED_AUTOGROUP) += autogroup.o
25obj-$(CONFIG_SCHEDSTATS) += stats.o
26obj-$(CONFIG_SCHED_DEBUG) += debug.o
27obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o
28obj-$(CONFIG_CPU_FREQ) += cpufreq.o
29obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o
30obj-$(CONFIG_MEMBARRIER) += membarrier.o
31obj-$(CONFIG_CPU_ISOLATION) += isolation.o

 1# SPDX-License-Identifier: GPL-2.0
 2
 3# The compilers are complaining about unused variables inside an if(0) scope
 4# block. This is daft, shut them up.
 5ccflags-y += $(call cc-disable-warning, unused-but-set-variable)
 6
 7# These files are disabled because they produce non-interesting flaky coverage
 8# that is not a function of syscall inputs. E.g. involuntary context switches.
 9KCOV_INSTRUMENT := n
10
11# Disable KCSAN to avoid excessive noise and performance degradation. To avoid
12# false positives ensure barriers implied by sched functions are instrumented.
13KCSAN_SANITIZE := n
14KCSAN_INSTRUMENT_BARRIERS := y
15
16ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
17# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
18# needed for x86 only.  Why this used to be enabled for all architectures is beyond
19# me.  I suspect most platforms don't need this, but until we know that for sure
20# I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
21# to get a correct value for the wait-channel (WCHAN in ps). --davidm
22CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
23endif
24
25#
26# Build efficiency:
27#
28# These compilation units have roughly the same size and complexity - so their
29# build parallelizes well and finishes roughly at once:
30#
31obj-y += core.o
32obj-y += fair.o
33obj-y += build_policy.o
34obj-y += build_utility.o