Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.5 KiB
Makefile
40 lines
1.5 KiB
Makefile
# 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 <alan@linuxcare.com.au>, 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
|
|
|
|
# Branch profiling isn't noinstr-safe
|
|
ifdef CONFIG_TRACE_BRANCH_PROFILING
|
|
CFLAGS_build_policy.o += -DDISABLE_BRANCH_PROFILING
|
|
CFLAGS_build_utility.o += -DDISABLE_BRANCH_PROFILING
|
|
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
|