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- # SPDX-License-Identifier: GPL-2.0
- # The compilers are complaining about unused variables inside an if(0) scope
- # block. This is daft, shut them up.
- ccflags-y += $(call cc-disable-warning, unused-but-set-variable)
- # These files are disabled because they produce non-interesting flaky coverage
- # that is not a function of syscall inputs. E.g. involuntary context switches.
- KCOV_INSTRUMENT := n
- # Disable KCSAN to avoid excessive noise and performance degradation. To avoid
- # false positives ensure barriers implied by sched functions are instrumented.
- KCSAN_SANITIZE := n
- KCSAN_INSTRUMENT_BARRIERS := y
- ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
- # According to Alan Modra <[email protected]>, the -fno-omit-frame-pointer is
- # needed for x86 only. Why this used to be enabled for all architectures is beyond
- # me. I suspect most platforms don't need this, but until we know that for sure
- # I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
- # to get a correct value for the wait-channel (WCHAN in ps). --davidm
- CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
- endif
- #
- # Build efficiency:
- #
- # These compilation units have roughly the same size and complexity - so their
- # build parallelizes well and finishes roughly at once:
- #
- obj-y += core.o
- obj-y += fair.o
- obj-y += build_policy.o
- obj-y += build_utility.o
- obj-$(CONFIG_SCHED_WALT) += walt/
- obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
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