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