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can't find switch jump table in arch/x86/kernel/apic/io_apic.o #550

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ms178 opened this issue Jun 20, 2019 · 2 comments
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can't find switch jump table in arch/x86/kernel/apic/io_apic.o #550

ms178 opened this issue Jun 20, 2019 · 2 comments
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[ARCH] x86_64 This bug impacts ARCH=x86_64 [TOOL] objtool warning is produced by the kernel's objtool

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@ms178
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ms178 commented Jun 20, 2019 •
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Makefile and config are the same as uploaded here: #548

With a vanilla clang version 9.0.0 (363704) and Kernel 5.2-rc5 (Suse), I get the following objtool error:

arch/x86/kernel/apic/io_apic.o: warning: objtool: acpi_get_override_irq()+0x137: can't find switch jump table
@nickdesaulniers nickdesaulniers added [TOOL] objtool warning is produced by the kernel's objtool [ARCH] x86_64 This bug impacts ARCH=x86_64 low priority This bug is not critical and not a priority labels Jun 20, 2019
@ms178
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ms178 commented Jul 27, 2019

Not reproducible any longer with linux-next-next-20190726 and clang version 10.0.0 (366783).

@ms178 ms178 closed this as completed Jul 27, 2019
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probably was related to loop unrolling, which I fixed in #551.

@tpimh tpimh removed the low priority This bug is not critical and not a priority label Sep 28, 2019
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[ARCH] x86_64 This bug impacts ARCH=x86_64 [TOOL] objtool warning is produced by the kernel's objtool
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