0500871f21
Construct the init thread stack in the linker script rather than doing it by means of a union so that ia64's init_task.c can be got rid of. The following symbols are then made available from INIT_TASK_DATA() linker script macro: init_thread_union init_stack INIT_TASK_DATA() also expands the region to THREAD_SIZE to accommodate the size of the init stack. init_thread_union is given its own section so that it can be placed into the stack space in the right order. I'm assuming that the ia64 ordering is correct and that the task_struct is first and the thread_info second. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com> Tested-by: Will Deacon <will.deacon@arm.com> (arm64) Tested-by: Palmer Dabbelt <palmer@sifive.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
61 lines
2 KiB
Makefile
61 lines
2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux kernel.
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#
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ifdef CONFIG_DYNAMIC_FTRACE
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CFLAGS_REMOVE_ftrace.o = -pg
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endif
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extra-y := head.o vmlinux.lds
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obj-y := entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o \
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irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o \
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salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
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unwind.o mca.o mca_asm.o topology.o dma-mapping.o
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obj-$(CONFIG_ACPI) += acpi.o acpi-ext.o
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obj-$(CONFIG_IA64_BRL_EMU) += brl_emu.o
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obj-$(CONFIG_IA64_PALINFO) += palinfo.o
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obj-$(CONFIG_IOSAPIC) += iosapic.o
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_SMP) += smp.o smpboot.o
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_PERFMON) += perfmon_default_smpl.o
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obj-$(CONFIG_IA64_CYCLONE) += cyclone.o
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obj-$(CONFIG_IA64_MCA_RECOVERY) += mca_recovery.o
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obj-$(CONFIG_KPROBES) += kprobes.o jprobes.o
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obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR) += uncached.o
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obj-$(CONFIG_AUDIT) += audit.o
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obj-$(CONFIG_PCI_MSI) += msi_ia64.o
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mca_recovery-y += mca_drv.o mca_drv_asm.o
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obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-$(CONFIG_IA64_ESI) += esi.o
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ifneq ($(CONFIG_IA64_ESI),)
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obj-y += esi_stub.o # must be in kernel proper
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endif
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obj-$(CONFIG_INTEL_IOMMU) += pci-dma.o
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obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
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obj-$(CONFIG_BINFMT_ELF) += elfcore.o
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# fp_emulate() expects f2-f5,f16-f31 to contain the user-level state.
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CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
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# The gate DSO image is built using a special linker script.
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include $(src)/Makefile.gate
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# We use internal kbuild rules to avoid the "is up to date" message from make
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arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c
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$(Q)mkdir -p $(dir $@)
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$(call if_changed_dep,cc_s_c)
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include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s FORCE
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$(call filechk,offsets,__ASM_NR_IRQS_H__)
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