1 files changed, 0 insertions, 128 deletions
diff --git a/linux-2.6-xen-sparse/arch/x86_64/ia32/syscall32-xen.c b/linux-2.6-xen-sparse/arch/x86_64/ia32/syscall32-xen.c
deleted file mode 100644
index e99a6f7585..0000000000
--- a/linux-2.6-xen-sparse/arch/x86_64/ia32/syscall32-xen.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* Copyright 2002,2003 Andi Kleen, SuSE Labs */
-
-/* vsyscall handling for 32bit processes. Map a stub page into it 
-   on demand because 32bit cannot reach the kernel's fixmaps */
-
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/init.h>
-#include <linux/stringify.h>
-#include <linux/security.h>
-#include <asm/proto.h>
-#include <asm/tlbflush.h>
-#include <asm/ia32_unistd.h>
-
-#ifdef USE_INT80
-extern unsigned char syscall32_int80[], syscall32_int80_end[];
-#endif
-extern unsigned char syscall32_syscall[], syscall32_syscall_end[];
-extern unsigned char syscall32_sysenter[], syscall32_sysenter_end[];
-extern int sysctl_vsyscall32;
-
-char *syscall32_page; 
-#ifndef USE_INT80
-static int use_sysenter = -1;
-#endif
-
-static struct page *
-syscall32_nopage(struct vm_area_struct *vma, unsigned long adr, int *type)
-{
-	struct page *p = virt_to_page(adr - vma->vm_start + syscall32_page);
-	get_page(p);
-	return p;
-}
-
-/* Prevent VMA merging */
-static void syscall32_vma_close(struct vm_area_struct *vma)
-{
-}
-
-static struct vm_operations_struct syscall32_vm_ops = {
-	.close = syscall32_vma_close,
-	.nopage = syscall32_nopage,
-};
-
-struct linux_binprm;
-
-/* Setup a VMA at program startup for the vsyscall page */
-int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
-{
-	int npages = (VSYSCALL32_END - VSYSCALL32_BASE) >> PAGE_SHIFT;
-	struct vm_area_struct *vma;
-	struct mm_struct *mm = current->mm;
-	int ret;
-
-	vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
-	if (!vma)
-		return -ENOMEM;
-
-	memset(vma, 0, sizeof(struct vm_area_struct));
-	/* Could randomize here */
-	vma->vm_start = VSYSCALL32_BASE;
-	vma->vm_end = VSYSCALL32_END;
-	/* MAYWRITE to allow gdb to COW and set breakpoints */
-	vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
-	vma->vm_flags |= mm->def_flags;
-	vma->vm_page_prot = protection_map[vma->vm_flags & 7];
-	vma->vm_ops = &syscall32_vm_ops;
-	vma->vm_mm = mm;
-
-	down_write(&mm->mmap_sem);
-	if ((ret = insert_vm_struct(mm, vma))) {
-		up_write(&mm->mmap_sem);
-		kmem_cache_free(vm_area_cachep, vma);
-		return ret;
-	}
-	mm->total_vm += npages;
-	up_write(&mm->mmap_sem);
-	return 0;
-}
-
-static int __init init_syscall32(void)
-{ 
-	syscall32_page = (void *)get_zeroed_page(GFP_KERNEL); 
-	if (!syscall32_page) 
-		panic("Cannot allocate syscall32 page"); 
-
-#ifdef USE_INT80
-	/*
-	 * At this point we use int 0x80.
-	 */
-	memcpy(syscall32_page, syscall32_int80,
-	       syscall32_int80_end - syscall32_int80);
-#else
- 	if (use_sysenter > 0) {
- 		memcpy(syscall32_page, syscall32_sysenter,
- 		       syscall32_sysenter_end - syscall32_sysenter);
- 	} else {
-  		memcpy(syscall32_page, syscall32_syscall,
-  		       syscall32_syscall_end - syscall32_syscall);
-  	}	
-#endif
-	return 0;
-} 
-
-/*
- * This must be done early in case we have an initrd containing 32-bit
- * binaries (e.g., hotplug). This could be pushed upstream to arch/x86_64.
- */	
-core_initcall(init_syscall32); 
-
-/* May not be __init: called during resume */
-void syscall32_cpu_init(void)
-{
-#ifndef USE_INT80
-	if (use_sysenter < 0)
- 		use_sysenter = (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL);
-
-	/* Load these always in case some future AMD CPU supports
-	   SYSENTER from compat mode too. */
-	checking_wrmsrl(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
-	checking_wrmsrl(MSR_IA32_SYSENTER_ESP, 0ULL);
-	checking_wrmsrl(MSR_IA32_SYSENTER_EIP, (u64)ia32_sysenter_target);
-
-	wrmsrl(MSR_CSTAR, ia32_cstar_target);
-#endif
-}