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42fda66387
This patchset throws out tt mode, which has been non-functional for a while. This is done in phases, interspersed with code cleanups on the affected files. The removal is done as follows: remove all code, config options, and files which depend on CONFIG_MODE_TT get rid of the CHOOSE_MODE macro, which decided whether to call tt-mode or skas-mode code, and replace invocations with their skas portions replace all now-trivial procedures with their skas equivalents There are now a bunch of now-redundant pieces of data structures, including mode-specific pieces of the thread structure, pt_regs, and mm_context. These are all replaced with their skas-specific contents. As part of the ongoing style compliance project, I made a style pass over all files that were changed. There are three such patches, one for each phase, covering the files affected by that phase but no later ones. I noticed that we weren't freeing the LDT state associated with a process when it exited, so that's fixed in one of the later patches. The last patch is a tidying patch which I've had for a while, but which caused inexplicable crashes under tt mode. Since that is no longer a problem, this can now go in. This patch: Start getting rid of tt mode support. This patch throws out CONFIG_MODE_TT and all config options, code, and files which depend on it. CONFIG_MODE_SKAS is gone and everything that depends on it is included unconditionally. The few changed lines are in re-written Kconfig help, lines which needed something skas-related removed from them, and a few more which weren't strictly deletions. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
41 lines
1.1 KiB
Text
41 lines
1.1 KiB
Text
core-y += arch/um/sys-i386/ arch/x86/crypto/
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TOP_ADDR := $(CONFIG_TOP_ADDR)
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START := 0x8048000
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LDFLAGS += -m elf_i386
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ELF_ARCH := $(SUBARCH)
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ELF_FORMAT := elf32-$(SUBARCH)
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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HEADER_ARCH := x86
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ifeq ("$(origin SUBARCH)", "command line")
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ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")
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CFLAGS += $(call cc-option,-m32)
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AFLAGS += $(call cc-option,-m32)
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LINK-y += $(call cc-option,-m32)
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UML_OBJCOPYFLAGS += -F $(ELF_FORMAT)
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export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS
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endif
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endif
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CFLAGS += -DCONFIG_X86_32
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AFLAGS += -DCONFIG_X86_32
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CONFIG_X86_32 := y
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export CONFIG_X86_32
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ARCH_KERNEL_DEFINES += -U__$(SUBARCH)__ -U$(SUBARCH)
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# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
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include $(srctree)/arch/i386/Makefile.cpu
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# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
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cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
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# Prevent sprintf in nfsd from being converted to strcpy and resulting in
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# an unresolved reference.
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cflags-y += -ffreestanding
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CFLAGS += $(cflags-y)
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