Files
Greg Kroah-Hartman fccf51a9d3 Merge 0923fd0419 ("Merge tag 'locking-core-2026-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") into android-mainline
Steps on the way to 7.0-rc1

Resolves merge conflicts in:
	kernel/sched/core.c

Change-Id: I8d8d7cb77d95d8a77e581967025e75f25804a155
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2026-03-17 08:15:21 +01:00

44 lines
1.6 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
CONTEXT_ANALYSIS_core.o := y
CONTEXT_ANALYSIS_fair.o := y
# 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 := $(PROFILING) -fno-omit-frame-pointer
endif
# Branch profiling isn't noinstr-safe
ifdef CONFIG_TRACE_BRANCH_PROFILING
CFLAGS_build_policy.o += -DDISABLE_BRANCH_PROFILING
CFLAGS_build_utility.o += -DDISABLE_BRANCH_PROFILING
endif
#
# Build efficiency:
#
# These compilation units have roughly the same size and complexity - so their
# build parallelizes well and finishes roughly at once:
#
obj-y += core.o
obj-y += fair.o
obj-y += build_policy.o
obj-y += build_utility.o
obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o