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8c97023cf0
Commit971a69db7d("Xen: don't warn about 2-byte wchar_t in efi") added the --no-wchar-size-warning to the Makefile to avoid this harmless warning: arm-linux-gnueabi-ld: warning: drivers/xen/efi.o uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail Changing kbuild to use thin archives instead of recursive linking unfortunately brings the same warning back during the final link. The kernel does not use wchar_t string literals at this point, and xen does not use wchar_t at all (only efi_char16_t), so the flag has no effect, but as pointed out by Jan Beulich, adding a wchar_t string literal would be bad here. Since wchar_t is always defined as u16, independent of the toolchain default, always passing -fshort-wchar is correct and lets us remove the Xen specific hack along with fixing the warning. Link: https://patchwork.kernel.org/patch/9275217/ Fixes:971a69db7d("Xen: don't warn about 2-byte wchar_t in efi") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
42 lines
1.6 KiB
Makefile
42 lines
1.6 KiB
Makefile
obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o
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obj-$(CONFIG_X86) += fallback.o
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obj-y += grant-table.o features.o balloon.o manage.o preempt.o time.o
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obj-y += events/
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obj-y += xenbus/
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nostackp := $(call cc-option, -fno-stack-protector)
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CFLAGS_features.o := $(nostackp)
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dom0-$(CONFIG_ARM64) += arm-device.o
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dom0-$(CONFIG_PCI) += pci.o
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dom0-$(CONFIG_USB_SUPPORT) += dbgp.o
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dom0-$(CONFIG_XEN_ACPI) += acpi.o $(xen-pad-y)
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xen-pad-$(CONFIG_X86) += xen-acpi-pad.o
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dom0-$(CONFIG_X86) += pcpu.o
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obj-$(CONFIG_XEN_DOM0) += $(dom0-y)
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obj-$(CONFIG_BLOCK) += biomerge.o
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obj-$(CONFIG_XEN_BALLOON) += xen-balloon.o
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obj-$(CONFIG_XEN_SELFBALLOONING) += xen-selfballoon.o
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obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o
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obj-$(CONFIG_XEN_GNTDEV) += xen-gntdev.o
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obj-$(CONFIG_XEN_GRANT_DEV_ALLOC) += xen-gntalloc.o
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obj-$(CONFIG_XENFS) += xenfs/
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obj-$(CONFIG_XEN_SYS_HYPERVISOR) += sys-hypervisor.o
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obj-$(CONFIG_XEN_PVHVM) += platform-pci.o
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obj-$(CONFIG_XEN_TMEM) += tmem.o
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obj-$(CONFIG_SWIOTLB_XEN) += swiotlb-xen.o
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obj-$(CONFIG_XEN_MCE_LOG) += mcelog.o
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obj-$(CONFIG_XEN_PCIDEV_BACKEND) += xen-pciback/
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obj-$(CONFIG_XEN_PRIVCMD) += xen-privcmd.o
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obj-$(CONFIG_XEN_STUB) += xen-stub.o
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obj-$(CONFIG_XEN_ACPI_HOTPLUG_MEMORY) += xen-acpi-memhotplug.o
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obj-$(CONFIG_XEN_ACPI_HOTPLUG_CPU) += xen-acpi-cpuhotplug.o
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obj-$(CONFIG_XEN_ACPI_PROCESSOR) += xen-acpi-processor.o
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obj-$(CONFIG_XEN_EFI) += efi.o
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obj-$(CONFIG_XEN_SCSI_BACKEND) += xen-scsiback.o
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obj-$(CONFIG_XEN_AUTO_XLATE) += xlate_mmu.o
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xen-evtchn-y := evtchn.o
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xen-gntdev-y := gntdev.o
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xen-gntalloc-y := gntalloc.o
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xen-privcmd-y := privcmd.o
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