[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>

9 files changed, 19 insertions, 297 deletions

diff --git a/arch/ia64/kernel/audit.c b/arch/ia64/kernel/audit.c
index f3802ae89b1..96a9d18ff4c 100644
--- a/arch/ia64/kernel/audit.c
+++ b/arch/ia64/kernel/audit.c
@@ -30,20 +30,11 @@ static unsigned signal_class[] = {
 
 int audit_classify_arch(int arch)
 {
-#ifdef CONFIG_IA32_SUPPORT
-	if (arch == AUDIT_ARCH_I386)
-		return 1;
-#endif
 	return 0;
 }
 
 int audit_classify_syscall(int abi, unsigned syscall)
 {
-#ifdef CONFIG_IA32_SUPPORT
-	extern int ia32_classify_syscall(unsigned);
-	if (abi == AUDIT_ARCH_I386)
-		return ia32_classify_syscall(syscall);
-#endif
 	switch(syscall) {
 	case __NR_open:
 		return 2;
@@ -58,18 +49,6 @@ int audit_classify_syscall(int abi, unsigned syscall)
 
 static int __init audit_classes_init(void)
 {
-#ifdef CONFIG_IA32_SUPPORT
-	extern __u32 ia32_dir_class[];
-	extern __u32 ia32_write_class[];
-	extern __u32 ia32_read_class[];
-	extern __u32 ia32_chattr_class[];
-	extern __u32 ia32_signal_class[];
-	audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
-	audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
-	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
-	audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
-	audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
-#endif
 	audit_register_class(AUDIT_CLASS_WRITE, write_class);
 	audit_register_class(AUDIT_CLASS_READ, read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index d75b872ca4d..9a260b317d8 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -71,15 +71,6 @@ ENTRY(ia64_execve)
 	add out3=16,sp			// regs
 	br.call.sptk.many rp=sys_execve
 .ret0:
-#ifdef CONFIG_IA32_SUPPORT
-	/*
-	 * Check if we're returning to ia32 mode. If so, we need to restore ia32 registers
-	 * from pt_regs.
-	 */
-	adds r16=PT(CR_IPSR)+16,sp
-	;;
-	ld8 r16=[r16]
-#endif
 	cmp4.ge p6,p7=r8,r0
 	mov ar.pfs=loc1			// restore ar.pfs
 	sxt4 r8=r8			// return 64-bit result
@@ -108,12 +99,6 @@ ENTRY(ia64_execve)
 	ldf.fill f23=[sp];	ldf.fill f24=[sp];	mov f25=f0
 	ldf.fill f26=[sp];	ldf.fill f27=[sp];	mov f28=f0
 	ldf.fill f29=[sp];	ldf.fill f30=[sp];	mov f31=f0
-#ifdef CONFIG_IA32_SUPPORT
-	tbit.nz p6,p0=r16, IA64_PSR_IS_BIT
-	movl loc0=ia64_ret_from_ia32_execve
-	;;
-(p6)	mov rp=loc0
-#endif
 	br.ret.sptk.many rp
 END(ia64_execve)
 
@@ -848,30 +833,6 @@ __paravirt_work_processed_syscall:
 	br.cond.sptk.many rbs_switch	// B
 END(__paravirt_leave_syscall)
 
-#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE
-#ifdef CONFIG_IA32_SUPPORT
-GLOBAL_ENTRY(ia64_ret_from_ia32_execve)
-	PT_REGS_UNWIND_INFO(0)
-	adds r2=PT(R8)+16,sp			// r2 = &pt_regs.r8
-	adds r3=PT(R10)+16,sp			// r3 = &pt_regs.r10
-	;;
-	.mem.offset 0,0
-	st8.spill [r2]=r8	// store return value in slot for r8 and set unat bit
-	.mem.offset 8,0
-	st8.spill [r3]=r0	// clear error indication in slot for r10 and set unat bit
-#ifdef CONFIG_PARAVIRT
-	;;
-	// don't fall through, ia64_leave_kernel may be #define'd
-	br.cond.sptk.few ia64_leave_kernel
-	;;
-#endif /* CONFIG_PARAVIRT */
-END(ia64_ret_from_ia32_execve)
-#ifndef CONFIG_PARAVIRT
-	// fall through
-#endif
-#endif /* CONFIG_IA32_SUPPORT */
-#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
-
 GLOBAL_ENTRY(__paravirt_leave_kernel)
 	PT_REGS_UNWIND_INFO(0)
 	/*
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index ec9a5fdfa1b..179fd122e83 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -49,7 +49,6 @@
 
 #include <asm/asmmacro.h>
 #include <asm/break.h>
-#include <asm/ia32.h>
 #include <asm/kregs.h>
 #include <asm/asm-offsets.h>
 #include <asm/pgtable.h>
@@ -1386,28 +1385,6 @@ END(ia32_exception)
 // 0x6a00 Entry 46 (size 16 bundles) IA-32 Intercept  (30,31,59,70,71)
 ENTRY(ia32_intercept)
 	DBG_FAULT(46)
-#ifdef	CONFIG_IA32_SUPPORT
-	mov r31=pr
-	MOV_FROM_ISR(r16)
-	;;
-	extr.u r17=r16,16,8	// get ISR.code
-	mov r18=ar.eflag
-	MOV_FROM_IIM(r19)	// old eflag value
-	;;
-	cmp.ne p6,p0=2,r17
-(p6)	br.cond.spnt 1f		// not a system flag fault
-	xor r16=r18,r19
-	;;
-	extr.u r17=r16,18,1	// get the eflags.ac bit
-	;;
-	cmp.eq p6,p0=0,r17
-(p6)	br.cond.spnt 1f		// eflags.ac bit didn't change
-	;;
-	mov pr=r31,-1		// restore predicate registers
-	RFI
-
-1:
-#endif	// CONFIG_IA32_SUPPORT
 	FAULT(46)
 END(ia32_intercept)
 
@@ -1416,12 +1393,7 @@ END(ia32_intercept)
 // 0x6b00 Entry 47 (size 16 bundles) IA-32 Interrupt  (74)
 ENTRY(ia32_interrupt)
 	DBG_FAULT(47)
-#ifdef CONFIG_IA32_SUPPORT
-	mov r31=pr
-	br.sptk.many dispatch_to_ia32_handler
-#else
 	FAULT(47)
-#endif
 END(ia32_interrupt)
 
 	.org ia64_ivt+0x6c00
@@ -1715,89 +1687,3 @@ ENTRY(dispatch_illegal_op_fault)
 (p6)	br.call.dpnt.many b6=b6		// call returns to ia64_leave_kernel
 	br.sptk.many ia64_leave_kernel
 END(dispatch_illegal_op_fault)
-
-#ifdef CONFIG_IA32_SUPPORT
-
-	/*
-	 * There is no particular reason for this code to be here, other than that
-	 * there happens to be space here that would go unused otherwise.  If this
-	 * fault ever gets "unreserved", simply moved the following code to a more
-	 * suitable spot...
-	 */
-
-	// IA32 interrupt entry point
-
-ENTRY(dispatch_to_ia32_handler)
-	SAVE_MIN
-	;;
-	MOV_FROM_ISR(r14)
-	SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(r3, r24)
-				// guarantee that interruption collection is on
-	;;
-	SSM_PSR_I(p15, p15, r3)
-	adds r3=8,r2		// Base pointer for SAVE_REST
-	;;
-	SAVE_REST
-	;;
-	mov r15=0x80
-	shr r14=r14,16		// Get interrupt number
-	;;
-	cmp.ne p6,p0=r14,r15
-(p6)	br.call.dpnt.many b6=non_ia32_syscall
-
-	adds r14=IA64_PT_REGS_R8_OFFSET + 16,sp	// 16 byte hole per SW conventions
-	adds r15=IA64_PT_REGS_R1_OFFSET + 16,sp
-	;;
-	cmp.eq pSys,pNonSys=r0,r0 // set pSys=1, pNonSys=0
-	ld8 r8=[r14]		// get r8
-	;;
-	st8 [r15]=r8		// save original EAX in r1 (IA32 procs don't use the GP)
-	;;
-	alloc r15=ar.pfs,0,0,6,0	// must first in an insn group
-	;;
-	ld4 r8=[r14],8		// r8 == eax (syscall number)
-	mov r15=IA32_NR_syscalls
-	;;
-	cmp.ltu.unc p6,p7=r8,r15
-	ld4 out1=[r14],8	// r9 == ecx
-	;;
-	ld4 out2=[r14],8	// r10 == edx
-	;;
-	ld4 out0=[r14]		// r11 == ebx
-	adds r14=(IA64_PT_REGS_R13_OFFSET) + 16,sp
-	;;
-	ld4 out5=[r14],PT(R14)-PT(R13)	// r13 == ebp
-	;;
-	ld4 out3=[r14],PT(R15)-PT(R14)	// r14 == esi
-	adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
-	;;
-	ld4 out4=[r14]		// r15 == edi
-	movl r16=ia32_syscall_table
-	;;
-(p6)	shladd r16=r8,3,r16	// force ni_syscall if not valid syscall number
-	ld4 r2=[r2]		// r2 = current_thread_info()->flags
-	;;
-	ld8 r16=[r16]
-	and r2=_TIF_SYSCALL_TRACEAUDIT,r2	// mask trace or audit
-	;;
-	mov b6=r16
-	movl r15=ia32_ret_from_syscall
-	cmp.eq p8,p0=r2,r0
-	;;
-	mov rp=r15
-(p8)	br.call.sptk.many b6=b6
-	br.cond.sptk ia32_trace_syscall
-
-non_ia32_syscall:
-	alloc r15=ar.pfs,0,0,2,0
-	mov out0=r14				// interrupt #
-	add out1=16,sp				// pointer to pt_regs
-	;;			// avoid WAW on CFM
-	br.call.sptk.many rp=ia32_bad_interrupt
-.ret1:	movl r15=ia64_leave_kernel
-	;;
-	mov rp=r15
-	br.ret.sptk.many rp
-END(dispatch_to_ia32_handler)
-
-#endif /* CONFIG_IA32_SUPPORT */
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 9bcec9945c1..883ecc9cfef 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -33,7 +33,6 @@
 #include <asm/cpu.h>
 #include <asm/delay.h>
 #include <asm/elf.h>
-#include <asm/ia32.h>
 #include <asm/irq.h>
 #include <asm/kexec.h>
 #include <asm/pgalloc.h>
@@ -358,11 +357,6 @@ ia64_save_extra (struct task_struct *task)
 	if (info & PFM_CPUINFO_SYST_WIDE)
 		pfm_syst_wide_update_task(task, info, 0);
 #endif
-
-#ifdef CONFIG_IA32_SUPPORT
-	if (IS_IA32_PROCESS(task_pt_regs(task)))
-		ia32_save_state(task);
-#endif
 }
 
 void
@@ -383,11 +377,6 @@ ia64_load_extra (struct task_struct *task)
 	if (info & PFM_CPUINFO_SYST_WIDE) 
 		pfm_syst_wide_update_task(task, info, 1);
 #endif
-
-#ifdef CONFIG_IA32_SUPPORT
-	if (IS_IA32_PROCESS(task_pt_regs(task)))
-		ia32_load_state(task);
-#endif
 }
 
 /*
@@ -426,7 +415,7 @@ copy_thread(unsigned long clone_flags,
 	     unsigned long user_stack_base, unsigned long user_stack_size,
 	     struct task_struct *p, struct pt_regs *regs)
 {
-	extern char ia64_ret_from_clone, ia32_ret_from_clone;
+	extern char ia64_ret_from_clone;
 	struct switch_stack *child_stack, *stack;
 	unsigned long rbs, child_rbs, rbs_size;
 	struct pt_regs *child_ptregs;
@@ -457,7 +446,7 @@ copy_thread(unsigned long clone_flags,
 	memcpy((void *) child_rbs, (void *) rbs, rbs_size);
 
 	if (likely(user_mode(child_ptregs))) {
-		if ((clone_flags & CLONE_SETTLS) && !IS_IA32_PROCESS(regs))
+		if (clone_flags & CLONE_SETTLS)
 			child_ptregs->r13 = regs->r16;	/* see sys_clone2() in entry.S */
 		if (user_stack_base) {
 			child_ptregs->r12 = user_stack_base + user_stack_size - 16;
@@ -477,10 +466,7 @@ copy_thread(unsigned long clone_flags,
 		child_ptregs->r13 = (unsigned long) p;		/* set `current' pointer */
 	}
 	child_stack->ar_bspstore = child_rbs + rbs_size;
-	if (IS_IA32_PROCESS(regs))
-		child_stack->b0 = (unsigned long) &ia32_ret_from_clone;
-	else
-		child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
+	child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
 
 	/* copy parts of thread_struct: */
 	p->thread.ksp = (unsigned long) child_stack - 16;
@@ -515,22 +501,6 @@ copy_thread(unsigned long clone_flags,
 	p->thread.flags = ((current->thread.flags & ~THREAD_FLAGS_TO_CLEAR)
 			   | THREAD_FLAGS_TO_SET);
 	ia64_drop_fpu(p);	/* don't pick up stale state from a CPU's fph */
-#ifdef CONFIG_IA32_SUPPORT
-	/*
-	 * If we're cloning an IA32 task then save the IA32 extra
-	 * state from the current task to the new task
-	 */
-	if (IS_IA32_PROCESS(task_pt_regs(current))) {
-		ia32_save_state(p);
-		if (clone_flags & CLONE_SETTLS)
-			retval = ia32_clone_tls(p, child_ptregs);
-
-		/* Copy partially mapped page list */
-		if (!retval)
-			retval = ia32_copy_ia64_partial_page_list(p,
-								clone_flags);
-	}
-#endif
 
 #ifdef CONFIG_PERFMON
 	if (current->thread.pfm_context)
@@ -704,15 +674,6 @@ EXPORT_SYMBOL(kernel_thread);
 int
 kernel_thread_helper (int (*fn)(void *), void *arg)
 {
-#ifdef CONFIG_IA32_SUPPORT
-	if (IS_IA32_PROCESS(task_pt_regs(current))) {
-		/* A kernel thread is always a 64-bit process. */
-		current->thread.map_base  = DEFAULT_MAP_BASE;
-		current->thread.task_size = DEFAULT_TASK_SIZE;
-		ia64_set_kr(IA64_KR_IO_BASE, current->thread.old_iob);
-		ia64_set_kr(IA64_KR_TSSD, current->thread.old_k1);
-	}
-#endif
 	return (*fn)(arg);
 }
 
@@ -725,14 +686,6 @@ flush_thread (void)
 	/* drop floating-point and debug-register state if it exists: */
 	current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
 	ia64_drop_fpu(current);
-#ifdef CONFIG_IA32_SUPPORT
-	if (IS_IA32_PROCESS(task_pt_regs(current))) {
-		ia32_drop_ia64_partial_page_list(current);
-		current->thread.task_size = IA32_PAGE_OFFSET;
-		set_fs(USER_DS);
-		memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array));
-	}
-#endif
 }
 
 /*
@@ -753,8 +706,6 @@ exit_thread (void)
 	if (current->thread.flags & IA64_THREAD_DBG_VALID)
 		pfm_release_debug_registers(current);
 #endif
-	if (IS_IA32_PROCESS(task_pt_regs(current)))
-		ia32_drop_ia64_partial_page_list(current);
 }
 
 unsigned long
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 9daa87fdb01..b61afbbe076 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1250,13 +1250,8 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
 		long syscall;
 		int arch;
 
-		if (IS_IA32_PROCESS(&regs)) {
-			syscall = regs.r1;
-			arch = AUDIT_ARCH_I386;
-		} else {
-			syscall = regs.r15;
-			arch = AUDIT_ARCH_IA64;
-		}
+		syscall = regs.r15;
+		arch = AUDIT_ARCH_IA64;
 
 		audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
 	}
@@ -2172,11 +2167,6 @@ static const struct user_regset_view user_ia64_view = {
 
 const struct user_regset_view *task_user_regset_view(struct task_struct *tsk)
 {
-#ifdef CONFIG_IA32_SUPPORT
-	extern const struct user_regset_view user_ia32_view;
-	if (IS_IA32_PROCESS(task_pt_regs(tsk)))
-		return &user_ia32_view;
-#endif
 	return &user_ia64_view;
 }
 
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index a1ea8791977..41ae6a596b5 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -46,7 +46,6 @@
 #include <linux/kexec.h>
 #include <linux/crash_dump.h>
 
-#include <asm/ia32.h>
 #include <asm/machvec.h>
 #include <asm/mca.h>
 #include <asm/meminit.h>
@@ -1016,10 +1015,6 @@ cpu_init (void)
 	ia64_mmu_init(ia64_imva(cpu_data));
 	ia64_mca_cpu_init(ia64_imva(cpu_data));
 
-#ifdef CONFIG_IA32_SUPPORT
-	ia32_cpu_init();
-#endif
-
 	/* Clear ITC to eliminate sched_clock() overflows in human time.  */
 	ia64_set_itc(0);
 
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index e1821ca4c7d..7bdafc8788b 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -21,7 +21,6 @@
 #include <linux/unistd.h>
 #include <linux/wait.h>
 
-#include <asm/ia32.h>
 #include <asm/intrinsics.h>
 #include <asm/uaccess.h>
 #include <asm/rse.h>
@@ -425,14 +424,8 @@ static long
 handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset,
 	       struct sigscratch *scr)
 {
-	if (IS_IA32_PROCESS(&scr->pt)) {
-		/* send signal to IA-32 process */
-		if (!ia32_setup_frame1(sig, ka, info, oldset, &scr->pt))
-			return 0;
-	} else
-		/* send signal to IA-64 process */
-		if (!setup_frame(sig, ka, info, oldset, scr))
-			return 0;
+	if (!setup_frame(sig, ka, info, oldset, scr))
+		return 0;
 
 	spin_lock_irq(&current->sighand->siglock);
 	sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
@@ -462,7 +455,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 	siginfo_t info;
 	long restart = in_syscall;
 	long errno = scr->pt.r8;
-#	define ERR_CODE(c)	(IS_IA32_PROCESS(&scr->pt) ? -(c) : (c))
 
 	/*
 	 * In the ia64_leave_kernel code path, we want the common case to go fast, which
@@ -490,14 +482,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 		 * inferior call), thus it's important to check for restarting _after_
 		 * get_signal_to_deliver().
 		 */
-		if (IS_IA32_PROCESS(&scr->pt)) {
-			if (in_syscall) {
-				if (errno >= 0)
-					restart = 0;
-				else
-					errno = -errno;
-			}
-		} else if ((long) scr->pt.r10 != -1)
+		if ((long) scr->pt.r10 != -1)
 			/*
 			 * A system calls has to be restarted only if one of the error codes
 			 * ERESTARTNOHAND, ERESTARTSYS, or ERESTARTNOINTR is returned.  If r10
@@ -513,22 +498,18 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 			switch (errno) {
 			      case ERESTART_RESTARTBLOCK:
 			      case ERESTARTNOHAND:
-				scr->pt.r8 = ERR_CODE(EINTR);
+				scr->pt.r8 = EINTR;
 				/* note: scr->pt.r10 is already -1 */
 				break;
 
 			      case ERESTARTSYS:
 				if ((ka.sa.sa_flags & SA_RESTART) == 0) {
-					scr->pt.r8 = ERR_CODE(EINTR);
+					scr->pt.r8 = EINTR;
 					/* note: scr->pt.r10 is already -1 */
 					break;
 				}
 			      case ERESTARTNOINTR:
-				if (IS_IA32_PROCESS(&scr->pt)) {
-					scr->pt.r8 = scr->pt.r1;
-					scr->pt.cr_iip -= 2;
-				} else
-					ia64_decrement_ip(&scr->pt);
+				ia64_decrement_ip(&scr->pt);
 				restart = 0; /* don't restart twice if handle_signal() fails... */
 			}
 		}
@@ -555,21 +536,14 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 		if (errno == ERESTARTNOHAND || errno == ERESTARTSYS || errno == ERESTARTNOINTR
 		    || errno == ERESTART_RESTARTBLOCK)
 		{
-			if (IS_IA32_PROCESS(&scr->pt)) {
-				scr->pt.r8 = scr->pt.r1;
-				scr->pt.cr_iip -= 2;
-				if (errno == ERESTART_RESTARTBLOCK)
-					scr->pt.r8 = 0;	/* x86 version of __NR_restart_syscall */
-			} else {
-				/*
-				 * Note: the syscall number is in r15 which is saved in
-				 * pt_regs so all we need to do here is adjust ip so that
-				 * the "break" instruction gets re-executed.
-				 */
-				ia64_decrement_ip(&scr->pt);
-				if (errno == ERESTART_RESTARTBLOCK)
-					scr->pt.r15 = __NR_restart_syscall;
-			}
+			/*
+			 * Note: the syscall number is in r15 which is saved in
+			 * pt_regs so all we need to do here is adjust ip so that
+			 * the "break" instruction gets re-executed.
+			 */
+			ia64_decrement_ip(&scr->pt);
+			if (errno == ERESTART_RESTARTBLOCK)
+				scr->pt.r15 = __NR_restart_syscall;
 		}
 	}
 
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index de100aa7ff0..e5230b2ff2c 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -44,7 +44,6 @@
 #include <asm/cache.h>
 #include <asm/current.h>
 #include <asm/delay.h>
-#include <asm/ia32.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/machvec.h>
@@ -443,10 +442,6 @@ smp_callin (void)
 		calibrate_delay();
 	local_cpu_data->loops_per_jiffy = loops_per_jiffy;
 
-#ifdef CONFIG_IA32_SUPPORT
-	ia32_gdt_init();
-#endif
-
 	/*
 	 * Allow the master to continue.
 	 */
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index f0cda765e68..fd80e70018a 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -19,7 +19,6 @@
 #include <linux/kdebug.h>
 
 #include <asm/fpswa.h>
-#include <asm/ia32.h>
 #include <asm/intrinsics.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
@@ -626,10 +625,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		break;
 
 	      case 45:
-#ifdef CONFIG_IA32_SUPPORT
-		if (ia32_exception(&regs, isr) == 0)
-			return;
-#endif
 		printk(KERN_ERR "Unexpected IA-32 exception (Trap 45)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx\n",
 		       iip, ifa, isr);
@@ -637,10 +632,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		break;
 
 	      case 46:
-#ifdef CONFIG_IA32_SUPPORT
-		if (ia32_intercept(&regs, isr) == 0)
-			return;
-#endif
 		printk(KERN_ERR "Unexpected IA-32 intercept trap (Trap 46)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx, iim - 0x%lx\n",
 		       iip, ifa, isr, iim);