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linux_old1/arch/x86/hyperv/Makefile

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x86/Hyper-V/hv_apic: Build the Hyper-V APIC conditionally The Hyper-V APIC code is built when CONFIG_HYPERV is enabled but the actual code in that file is guarded with CONFIG_X86_64. There is no point in doing this. Neither is there a point in having the CONFIG_HYPERV guard in there because the containing directory is not built when CONFIG_HYPERV=n. Further for the hv_init_apic() function a stub is provided only for CONFIG_HYPERV=n, which is pointless as the callsite is not compiled at all. But for X86_32 the stub is missing and the build fails. Clean that up: - Compile hv_apic.c only when CONFIG_X86_64=y - Make the stub for hv_init_apic() available when CONFG_X86_64=n Fixes: 6b48cb5f8347 ("X86/Hyper-V: Enlighten APIC access") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Michael Kelley <mikelley@microsoft.com>
2018-05-20 03:22:48 +08:00
obj-y := hv_init.o mmu.o
obj-$(CONFIG_X86_64) += hv_apic.o