[IA64] Remove COMPAT_IA32 support

This has been broken since May 2008 when Al Viro killed altroot support.
Since nobody has complained, it would appear that there are no users of
this code (A plausible theory since the main OSVs that support ia64 prefer
to use the IA32-EL software emulation).

Signed-off-by: Tony Luck <tony.luck@intel.com>

37 files changed, 20 insertions, 6321 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2d7f56a98e0f..9a50d7dd2a0b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -499,23 +499,6 @@ config ARCH_PROC_KCORE_TEXT
 	def_bool y
 	depends on PROC_KCORE
 
-config IA32_SUPPORT
-	bool "Support for Linux/x86 binaries"
-	help
-	  IA-64 processors can execute IA-32 (X86) instructions.  By
-	  saying Y here, the kernel will include IA-32 system call
-	  emulation support which makes it possible to transparently
-	  run IA-32 Linux binaries on an IA-64 Linux system.
-	  If in doubt, say Y.
-
-config COMPAT
-	bool
-	depends on IA32_SUPPORT
-	default y
-
-config COMPAT_FOR_U64_ALIGNMENT
-	def_bool COMPAT
-
 config IA64_MCA_RECOVERY
 	tristate "MCA recovery from errors other than TLB."
 
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 475e2725fbde..8ae0d2604ce1 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -46,7 +46,6 @@ head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
 
 libs-y				+= arch/ia64/lib/
 core-y				+= arch/ia64/kernel/ arch/ia64/mm/
-core-$(CONFIG_IA32_SUPPORT)	+= arch/ia64/ia32/
 core-$(CONFIG_IA64_DIG) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_DIG_VTD) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
diff --git a/arch/ia64/configs/bigsur_defconfig b/arch/ia64/configs/bigsur_defconfig
index ace41096b47b..312b12094a1d 100644
--- a/arch/ia64/configs/bigsur_defconfig
+++ b/arch/ia64/configs/bigsur_defconfig
@@ -131,8 +131,6 @@ CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 # CONFIG_VIRTUAL_MEM_MAP is not set
-CONFIG_IA32_SUPPORT=y
-CONFIG_COMPAT=y
 # CONFIG_IA64_MCA_RECOVERY is not set
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 75645495c2dd..6a4cc506fb5f 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -205,8 +205,6 @@ CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
 CONFIG_HAVE_ARCH_NODEDATA_EXTENSION=y
-CONFIG_IA32_SUPPORT=y
-CONFIG_COMPAT=y
 CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig
index e86fbd39c795..2dc185b0f9a3 100644
--- a/arch/ia64/configs/gensparse_defconfig
+++ b/arch/ia64/configs/gensparse_defconfig
@@ -139,8 +139,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
 CONFIG_NUMA=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
-CONFIG_IA32_SUPPORT=y
-CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
diff --git a/arch/ia64/configs/sim_defconfig b/arch/ia64/configs/sim_defconfig
index 546a772f438e..21a23cdfd41c 100644
--- a/arch/ia64/configs/sim_defconfig
+++ b/arch/ia64/configs/sim_defconfig
@@ -130,8 +130,6 @@ CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 # CONFIG_VIRTUAL_MEM_MAP is not set
-CONFIG_IA32_SUPPORT=y
-CONFIG_COMPAT=y
 # CONFIG_IA64_MCA_RECOVERY is not set
 # CONFIG_PERFMON is not set
 CONFIG_IA64_PALINFO=m
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index c522edf23c62..c5a5ea9d54ae 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -154,7 +154,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
-# CONFIG_IA32_SUPPORT is not set
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
diff --git a/arch/ia64/configs/xen_domu_defconfig b/arch/ia64/configs/xen_domu_defconfig
index 0bb0714dc19d..c67eafc4bb38 100644
--- a/arch/ia64/configs/xen_domu_defconfig
+++ b/arch/ia64/configs/xen_domu_defconfig
@@ -200,8 +200,6 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
-# CONFIG_IA32_SUPPORT is not set
-# CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index 514f0635dafe..3cec65b534c2 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -150,8 +150,6 @@ CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
-CONFIG_IA32_SUPPORT=y
-CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
diff --git a/arch/ia64/ia32/Makefile b/arch/ia64/ia32/Makefile
deleted file mode 100644
index baad8c7699c0..000000000000
--- a/arch/ia64/ia32/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# Makefile for the ia32 kernel emulation subsystem.
-#
-
-obj-y := ia32_entry.o sys_ia32.o ia32_signal.o \
-	 ia32_support.o ia32_traps.o binfmt_elf32.o ia32_ldt.o
-obj-$(CONFIG_AUDIT) += audit.o
-
-# Don't let GCC uses f16-f31 so that save_ia32_fpstate_live() and
-# restore_ia32_fpstate_live() can be sure the live register contain user-level state.
-CFLAGS_ia32_signal.o += -mfixed-range=f16-f31
diff --git a/arch/ia64/ia32/audit.c b/arch/ia64/ia32/audit.c
deleted file mode 100644
index 5c93ddd1e42d..000000000000
--- a/arch/ia64/ia32/audit.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include "../../x86/include/asm/unistd_32.h"
-
-unsigned ia32_dir_class[] = {
-#include <asm-generic/audit_dir_write.h>
-~0U
-};
-
-unsigned ia32_chattr_class[] = {
-#include <asm-generic/audit_change_attr.h>
-~0U
-};
-
-unsigned ia32_write_class[] = {
-#include <asm-generic/audit_write.h>
-~0U
-};
-
-unsigned ia32_read_class[] = {
-#include <asm-generic/audit_read.h>
-~0U
-};
-
-unsigned ia32_signal_class[] = {
-#include <asm-generic/audit_signal.h>
-~0U
-};
-
-int ia32_classify_syscall(unsigned syscall)
-{
-	switch(syscall) {
-	case __NR_open:
-		return 2;
-	case __NR_openat:
-		return 3;
-	case __NR_socketcall:
-		return 4;
-	case __NR_execve:
-		return 5;
-	default:
-		return 1;
-	}
-}
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
deleted file mode 100644
index c69552bf893e..000000000000
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * IA-32 ELF support.
- *
- * Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
- * Copyright (C) 2001 Hewlett-Packard Co
- *	David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * 06/16/00	A. Mallick	initialize csd/ssd/tssd/cflg for ia32_load_state
- * 04/13/01	D. Mosberger	dropped saving tssd in ar.k1---it's not needed
- * 09/14/01	D. Mosberger	fixed memory management for gdt/tss page
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/security.h>
-
-#include <asm/param.h>
-#include <asm/signal.h>
-
-#include "ia32priv.h"
-#include "elfcore32.h"
-
-/* Override some function names */
-#undef start_thread
-#define start_thread			ia32_start_thread
-#define elf_format			elf32_format
-#define init_elf_binfmt			init_elf32_binfmt
-#define exit_elf_binfmt			exit_elf32_binfmt
-
-#undef CLOCKS_PER_SEC
-#define CLOCKS_PER_SEC	IA32_CLOCKS_PER_SEC
-
-extern void ia64_elf32_init (struct pt_regs *regs);
-
-static void elf32_set_personality (void);
-
-static unsigned long __attribute ((unused))
-randomize_stack_top(unsigned long stack_top);
-
-#define setup_arg_pages(bprm,tos,exec)		ia32_setup_arg_pages(bprm,exec)
-#define elf_map				elf32_map
-
-#undef SET_PERSONALITY
-#define SET_PERSONALITY(ex)	elf32_set_personality()
-
-#define elf_read_implies_exec(ex, have_pt_gnu_stack)	(!(have_pt_gnu_stack))
-
-/* Ugly but avoids duplication */
-#include "../../../fs/binfmt_elf.c"
-
-extern struct page *ia32_shared_page[];
-extern unsigned long *ia32_gdt;
-extern struct page *ia32_gate_page;
-
-int
-ia32_install_shared_page (struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	vmf->page = ia32_shared_page[smp_processor_id()];
-	get_page(vmf->page);
-	return 0;
-}
-
-int
-ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	vmf->page = ia32_gate_page;
-	get_page(vmf->page);
-	return 0;
-}
-
-
-static const struct vm_operations_struct ia32_shared_page_vm_ops = {
-	.fault = ia32_install_shared_page
-};
-
-static const struct vm_operations_struct ia32_gate_page_vm_ops = {
-	.fault = ia32_install_gate_page
-};
-
-void
-ia64_elf32_init (struct pt_regs *regs)
-{
-	struct vm_area_struct *vma;
-
-	/*
-	 * Map GDT below 4GB, where the processor can find it.  We need to map
-	 * it with privilege level 3 because the IVE uses non-privileged accesses to these
-	 * tables.  IA-32 segmentation is used to protect against IA-32 accesses to them.
-	 */
-	vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-	if (vma) {
-		vma->vm_mm = current->mm;
-		vma->vm_start = IA32_GDT_OFFSET;
-		vma->vm_end = vma->vm_start + PAGE_SIZE;
-		vma->vm_page_prot = PAGE_SHARED;
-		vma->vm_flags = VM_READ|VM_MAYREAD|VM_RESERVED;
-		vma->vm_ops = &ia32_shared_page_vm_ops;
-		down_write(&current->mm->mmap_sem);
-		{
-			if (insert_vm_struct(current->mm, vma)) {
-				kmem_cache_free(vm_area_cachep, vma);
-				up_write(&current->mm->mmap_sem);
-				BUG();
-			}
-		}
-		up_write(&current->mm->mmap_sem);
-	}
-
-	/*
-	 * When user stack is not executable, push sigreturn code to stack makes
-	 * segmentation fault raised when returning to kernel. So now sigreturn
-	 * code is locked in specific gate page, which is pointed by pretcode
-	 * when setup_frame_ia32
-	 */
-	vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-	if (vma) {
-		vma->vm_mm = current->mm;
-		vma->vm_start = IA32_GATE_OFFSET;
-		vma->vm_end = vma->vm_start + PAGE_SIZE;
-		vma->vm_page_prot = PAGE_COPY_EXEC;
-		vma->vm_flags = VM_READ | VM_MAYREAD | VM_EXEC
-				| VM_MAYEXEC | VM_RESERVED;
-		vma->vm_ops = &ia32_gate_page_vm_ops;
-		down_write(&current->mm->mmap_sem);
-		{
-			if (insert_vm_struct(current->mm, vma)) {
-				kmem_cache_free(vm_area_cachep, vma);
-				up_write(&current->mm->mmap_sem);
-				BUG();
-			}
-		}
-		up_write(&current->mm->mmap_sem);
-	}
-
-	/*
-	 * Install LDT as anonymous memory.  This gives us all-zero segment descriptors
-	 * until a task modifies them via modify_ldt().
-	 */
-	vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
-	if (vma) {
-		vma->vm_mm = current->mm;
-		vma->vm_start = IA32_LDT_OFFSET;
-		vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE);
-		vma->vm_page_prot = PAGE_SHARED;
-		vma->vm_flags = VM_READ|VM_WRITE|VM_MAYREAD|VM_MAYWRITE;
-		down_write(&current->mm->mmap_sem);
-		{
-			if (insert_vm_struct(current->mm, vma)) {
-				kmem_cache_free(vm_area_cachep, vma);
-				up_write(&current->mm->mmap_sem);
-				BUG();
-			}
-		}
-		up_write(&current->mm->mmap_sem);
-	}
-
-	ia64_psr(regs)->ac = 0;		/* turn off alignment checking */
-	regs->loadrs = 0;
-	/*
-	 *  According to the ABI %edx points to an `atexit' handler.  Since we don't have
-	 *  one we'll set it to 0 and initialize all the other registers just to make
-	 *  things more deterministic, ala the i386 implementation.
-	 */
-	regs->r8 = 0;	/* %eax */
-	regs->r11 = 0;	/* %ebx */
-	regs->r9 = 0;	/* %ecx */
-	regs->r10 = 0;	/* %edx */
-	regs->r13 = 0;	/* %ebp */
-	regs->r14 = 0;	/* %esi */
-	regs->r15 = 0;	/* %edi */
-
-	current->thread.eflag = IA32_EFLAG;
-	current->thread.fsr = IA32_FSR_DEFAULT;
-	current->thread.fcr = IA32_FCR_DEFAULT;
-	current->thread.fir = 0;
-	current->thread.fdr = 0;
-
-	/*
-	 * Setup GDTD.  Note: GDTD is the descrambled version of the pseudo-descriptor
-	 * format defined by Figure 3-11 "Pseudo-Descriptor Format" in the IA-32
-	 * architecture manual. Also note that the only fields that are not ignored are
-	 * `base', `limit', 'G', `P' (must be 1) and `S' (must be 0).
-	 */
-	regs->r31 = IA32_SEG_UNSCRAMBLE(IA32_SEG_DESCRIPTOR(IA32_GDT_OFFSET, IA32_PAGE_SIZE - 1,
-							    0, 0, 0, 1, 0, 0, 0));
-	/* Setup the segment selectors */
-	regs->r16 = (__USER_DS << 16) | __USER_DS; /* ES == DS, GS, FS are zero */
-	regs->r17 = (__USER_DS << 16) | __USER_CS; /* SS, CS; ia32_load_state() sets TSS and LDT */
-
-	ia32_load_segment_descriptors(current);
-	ia32_load_state(current);
-}
-
-/*
- * Undo the override of setup_arg_pages() without this ia32_setup_arg_pages()
- * will suffer infinite self recursion.
- */
-#undef setup_arg_pages
-
-int
-ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
-{
-	int ret;
-
-	ret = setup_arg_pages(bprm, IA32_STACK_TOP, executable_stack);
-	if (!ret) {
-		/*
-		 * Can't do it in ia64_elf32_init(). Needs to be done before
-		 * calls to elf32_map()
-		 */
-		current->thread.ppl = ia32_init_pp_list();
-	}
-
-	return ret;
-}
-
-static void
-elf32_set_personality (void)
-{
-	set_personality(PER_LINUX32);
-	current->thread.map_base  = IA32_PAGE_OFFSET/3;
-}
-
-static unsigned long
-elf32_map(struct file *filep, unsigned long addr, struct elf_phdr *eppnt,
-		int prot, int type, unsigned long unused)
-{
-	unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK;
-
-	return ia32_do_mmap(filep, (addr & IA32_PAGE_MASK), eppnt->p_filesz + pgoff, prot, type,
-			    eppnt->p_offset - pgoff);
-}
-
-#define cpu_uses_ia32el()	(local_cpu_data->family > 0x1f)
-
-static int __init check_elf32_binfmt(void)
-{
-	if (cpu_uses_ia32el()) {
-		printk("Please use IA-32 EL for executing IA-32 binaries\n");
-		unregister_binfmt(&elf_format);
-	}
-	return 0;
-}
-
-module_init(check_elf32_binfmt)
diff --git a/arch/ia64/ia32/elfcore32.h b/arch/ia64/ia32/elfcore32.h
deleted file mode 100644
index 657725742617..000000000000
--- a/arch/ia64/ia32/elfcore32.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * IA-32 ELF core dump support.
- *
- * Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
- *
- * Derived from the x86_64 version
- */
-#ifndef _ELFCORE32_H_
-#define _ELFCORE32_H_
-
-#include <asm/intrinsics.h>
-#include <asm/uaccess.h>
-
-/* Override elfcore.h */
-#define _LINUX_ELFCORE_H 1
-typedef unsigned int elf_greg_t;
-
-#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct ia32_user_i387_struct elf_fpregset_t;
-typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
-
-struct elf_siginfo
-{
-	int	si_signo;			/* signal number */
-	int	si_code;			/* extra code */
-	int	si_errno;			/* errno */
-};
-
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-/*
- * Hacks are here since types between compat_timeval (= pair of s32) and
- * ia64-native timeval (= pair of s64) are not compatible, at least a file
- * arch/ia64/ia32/../../../fs/binfmt_elf.c will get warnings from compiler on
- * use of cputime_to_timeval(), which usually an alias of jiffies_to_timeval().
- */
-#define cputime_to_timeval(a,b) \
-	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/NSEC_PER_SEC; } while(0)
-#else
-#define jiffies_to_timeval(a,b) \
-	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; } while(0)
-#endif
-
-struct elf_prstatus
-{
-	struct elf_siginfo pr_info;	/* Info associated with signal */
-	short	pr_cursig;		/* Current signal */
-	unsigned int pr_sigpend;	/* Set of pending signals */
-	unsigned int pr_sighold;	/* Set of held signals */
-	pid_t	pr_pid;
-	pid_t	pr_ppid;
-	pid_t	pr_pgrp;
-	pid_t	pr_sid;
-	struct compat_timeval pr_utime;	/* User time */
-	struct compat_timeval pr_stime;	/* System time */
-	struct compat_timeval pr_cutime;	/* Cumulative user time */
-	struct compat_timeval pr_cstime;	/* Cumulative system time */
-	elf_gregset_t pr_reg;	/* GP registers */
-	int pr_fpvalid;		/* True if math co-processor being used.  */
-};
-
-#define ELF_PRARGSZ	(80)	/* Number of chars for args */
-
-struct elf_prpsinfo
-{
-	char	pr_state;	/* numeric process state */
-	char	pr_sname;	/* char for pr_state */
-	char	pr_zomb;	/* zombie */
-	char	pr_nice;	/* nice val */
-	unsigned int pr_flag;	/* flags */
-	__u16	pr_uid;
-	__u16	pr_gid;
-	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
-	/* Lots missing */
-	char	pr_fname[16];	/* filename of executable */
-	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
-};
-
-#define ELF_CORE_COPY_REGS(pr_reg, regs)       		\
-	pr_reg[0] = regs->r11;				\
-	pr_reg[1] = regs->r9;				\
-	pr_reg[2] = regs->r10;				\
-	pr_reg[3] = regs->r14;				\
-	pr_reg[4] = regs->r15;				\
-	pr_reg[5] = regs->r13;				\
-	pr_reg[6] = regs->r8;				\
-	pr_reg[7] = regs->r16 & 0xffff;			\
-	pr_reg[8] = (regs->r16 >> 16) & 0xffff;		\
-	pr_reg[9] = (regs->r16 >> 32) & 0xffff;		\
-	pr_reg[10] = (regs->r16 >> 48) & 0xffff;	\
-	pr_reg[11] = regs->r1; 				\
-	pr_reg[12] = regs->cr_iip;			\
-	pr_reg[13] = regs->r17 & 0xffff;		\
-	pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG);	\
-	pr_reg[15] = regs->r12;				\
-	pr_reg[16] = (regs->r17 >> 16) & 0xffff;
-
-static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
-				      struct pt_regs *regs)
-{
-	ELF_CORE_COPY_REGS((*elfregs), regs)
-}
-
-static inline int elf_core_copy_task_regs(struct task_struct *t,
-					  elf_gregset_t* elfregs)
-{
-	ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t));
-	return 1;
-}
-
-static inline int
-elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)
-{
-	struct ia32_user_i387_struct *fpstate = (void*)fpu;
-	mm_segment_t old_fs;
-
-	if (!tsk_used_math(tsk))
-		return 0;
-	
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);
-	set_fs(old_fs);
-
-	return 1;
-}
-
-#define ELF_CORE_COPY_XFPREGS 1
-#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
-static inline int
-elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)
-{
-	struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;
-	mm_segment_t old_fs;
-
-	if (!tsk_used_math(tsk))
-		return 0;
-
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);
-	set_fs(old_fs);
-
-	return 1;
-}
-
-#endif /* _ELFCORE32_H_ */
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
deleted file mode 100644
index 2fd7479aa216..000000000000
--- a/arch/ia64/ia32/ia32_entry.S
+++ /dev/null
@@ -1,468 +0,0 @@
-#include <asm/asmmacro.h>
-#include <asm/ia32.h>
-#include <asm/asm-offsets.h>
-#include <asm/signal.h>
-#include <asm/thread_info.h>
-
-#include "../kernel/minstate.h"
-
-	/*
-	 * execve() is special because in case of success, we need to
-	 * setup a null register window frame (in case an IA-32 process
-	 * is exec'ing an IA-64 program).
-	 */
-ENTRY(ia32_execve)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(3)
-	alloc loc1=ar.pfs,3,2,4,0
-	mov loc0=rp
-	.body
-	zxt4 out0=in0			// filename
-	;;				// stop bit between alloc and call
-	zxt4 out1=in1			// argv
-	zxt4 out2=in2			// envp
-	add out3=16,sp			// regs
-	br.call.sptk.few rp=sys32_execve
-1:	cmp.ge p6,p0=r8,r0
-	mov ar.pfs=loc1			// restore ar.pfs
-	;;
-(p6)	mov ar.pfs=r0			// clear ar.pfs in case of success
-	sxt4 r8=r8			// return 64-bit result
-	mov rp=loc0
-	br.ret.sptk.few rp
-END(ia32_execve)
-
-ENTRY(ia32_clone)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(5)
-	alloc r16=ar.pfs,5,2,6,0
-	DO_SAVE_SWITCH_STACK
-	mov loc0=rp
-	mov loc1=r16				// save ar.pfs across do_fork
-	.body
-	zxt4 out1=in1				// newsp
-	mov out3=16				// stacksize (compensates for 16-byte scratch area)
-	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs
-	mov out0=in0				// out0 = clone_flags
-	zxt4 out4=in2				// out4 = parent_tidptr
-	zxt4 out5=in4				// out5 = child_tidptr
-	br.call.sptk.many rp=do_fork
-.ret0:	.restore sp
-	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
-	mov ar.pfs=loc1
-	mov rp=loc0
-	br.ret.sptk.many rp
-END(ia32_clone)
-
-GLOBAL_ENTRY(ia32_ret_from_clone)
-	PT_REGS_UNWIND_INFO(0)
-{	/*
-	 * Some versions of gas generate bad unwind info if the first instruction of a
-	 * procedure doesn't go into the first slot of a bundle.  This is a workaround.
-	 */
-	nop.m 0
-	nop.i 0
-	/*
-	 * We need to call schedule_tail() to complete the scheduling process.
-	 * Called by ia64_switch_to after do_fork()->copy_thread().  r8 contains the
-	 * address of the previously executing task.
-	 */
-	br.call.sptk.many rp=ia64_invoke_schedule_tail
-}
-.ret1:
-	adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
-	;;
-	ld4 r2=[r2]
-	;;
-	mov r8=0
-	and r2=_TIF_SYSCALL_TRACEAUDIT,r2
-	;;
-	cmp.ne p6,p0=r2,r0
-(p6)	br.cond.spnt .ia32_strace_check_retval
-	;;					// prevent RAW on r8
-END(ia32_ret_from_clone)
-	// fall through
-GLOBAL_ENTRY(ia32_ret_from_syscall)
-	PT_REGS_UNWIND_INFO(0)
-
-	cmp.ge p6,p7=r8,r0                      // syscall executed successfully?
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp    // r2 = &pt_regs.r8
-	;;
-	alloc r3=ar.pfs,0,0,0,0			// drop the syscall argument frame
-	st8 [r2]=r8                             // store return value in slot for r8
-	br.cond.sptk.many ia64_leave_kernel
-END(ia32_ret_from_syscall)
-
-	//
-	// Invoke a system call, but do some tracing before and after the call.
-	// We MUST preserve the current register frame throughout this routine
-	// because some system calls (such as ia64_execve) directly
-	// manipulate ar.pfs.
-	//
-	// Input:
-	//	r8 = syscall number
-	//	b6 = syscall entry point
-	//
-GLOBAL_ENTRY(ia32_trace_syscall)
-	PT_REGS_UNWIND_INFO(0)
-	mov r3=-38
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp
-	;;
-	st8 [r2]=r3				// initialize return code to -ENOSYS
-	br.call.sptk.few rp=syscall_trace_enter	// give parent a chance to catch syscall args
-	cmp.lt p6,p0=r8,r0			// check tracehook
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp	// r2 = &pt_regs.r8
-	;;
-(p6)	st8.spill [r2]=r8			// store return value in slot for r8
-(p6)	br.spnt.few .ret4
-.ret2:	// Need to reload arguments (they may be changed by the tracing process)
-	adds r2=IA64_PT_REGS_R1_OFFSET+16,sp	// r2 = &pt_regs.r1
-	adds r3=IA64_PT_REGS_R13_OFFSET+16,sp	// r3 = &pt_regs.r13
-	mov r15=IA32_NR_syscalls
-	;;
-	ld4 r8=[r2],IA64_PT_REGS_R9_OFFSET-IA64_PT_REGS_R1_OFFSET
-	movl r16=ia32_syscall_table
-	;;
-	ld4 r33=[r2],8				// r9 == ecx
-	ld4 r37=[r3],16				// r13 == ebp
-	cmp.ltu.unc p6,p7=r8,r15
-	;;
-	ld4 r34=[r2],8				// r10 == edx
-	ld4 r36=[r3],8				// r15 == edi
-(p6)	shladd r16=r8,3,r16	// force ni_syscall if not valid syscall number
-	;;
-	ld8 r16=[r16]
-	;;
-	ld4 r32=[r2],8				// r11 == ebx
-	mov b6=r16
-	ld4 r35=[r3],8				// r14 == esi
-	br.call.sptk.few rp=b6			// do the syscall
-.ia32_strace_check_retval:
-	cmp.lt p6,p0=r8,r0			// syscall failed?
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp	// r2 = &pt_regs.r8
-	;;
-	st8.spill [r2]=r8			// store return value in slot for r8
-	br.call.sptk.few rp=syscall_trace_leave	// give parent a chance to catch return value
-.ret4:	alloc r2=ar.pfs,0,0,0,0			// drop the syscall argument frame
-	br.cond.sptk.many ia64_leave_kernel
-END(ia32_trace_syscall)
-
-GLOBAL_ENTRY(sys32_vfork)
-	alloc r16=ar.pfs,2,2,4,0;;
-	mov out0=IA64_CLONE_VFORK|IA64_CLONE_VM|SIGCHLD	// out0 = clone_flags
-	br.cond.sptk.few .fork1			// do the work
-END(sys32_vfork)
-
-GLOBAL_ENTRY(sys32_fork)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
-	alloc r16=ar.pfs,2,2,4,0
-	mov out0=SIGCHLD			// out0 = clone_flags
-	;;
-.fork1:
-	mov loc0=rp
-	mov loc1=r16				// save ar.pfs across do_fork
-	DO_SAVE_SWITCH_STACK
-
-	.body
-
-	mov out1=0
-	mov out3=0
-	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs
-	br.call.sptk.few rp=do_fork
-.ret5:	.restore sp
-	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
-	mov ar.pfs=loc1
-	mov rp=loc0
-	br.ret.sptk.many rp
-END(sys32_fork)
-
-	.rodata
-	.align 8
-	.globl ia32_syscall_table
-ia32_syscall_table:
-	data8 sys_ni_syscall	  /* 0	-  old "setup(" system call*/
-	data8 sys_exit
-	data8 sys32_fork
-	data8 sys_read
-	data8 sys_write
-	data8 compat_sys_open	  /* 5 */
-	data8 sys_close
-	data8 sys32_waitpid
-	data8 sys_creat
-	data8 sys_link
-	data8 sys_unlink	  /* 10 */
-	data8 ia32_execve
-	data8 sys_chdir
-	data8 compat_sys_time
-	data8 sys_mknod
-	data8 sys_chmod		  /* 15 */
-	data8 sys_lchown	/* 16-bit version */
-	data8 sys_ni_syscall	  /* old break syscall holder */
-	data8 sys_ni_syscall
-	data8 sys32_lseek
-	data8 sys_getpid	  /* 20 */
-	data8 compat_sys_mount
-	data8 sys_oldumount
-	data8 sys_setuid	/* 16-bit version */
-	data8 sys_getuid	/* 16-bit version */
-	data8 compat_sys_stime    /* 25 */
-	data8 compat_sys_ptrace
-	data8 sys32_alarm
-	data8 sys_ni_syscall
-	data8 sys_pause
-	data8 compat_sys_utime	  /* 30