1 files changed, 0 insertions, 99 deletions
diff --git a/linux-2.6-xen-sparse/arch/x86_64/kernel/ioport-xen.c b/linux-2.6-xen-sparse/arch/x86_64/kernel/ioport-xen.c
deleted file mode 100644
index a57442c698..0000000000
--- a/linux-2.6-xen-sparse/arch/x86_64/kernel/ioport-xen.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- *	linux/arch/x86_64/kernel/ioport.c
- *
- * This contains the io-permission bitmap code - written by obz, with changes
- * by Linus.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/capability.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/stddef.h>
-#include <linux/slab.h>
-#include <linux/thread_info.h>
-#include <xen/interface/physdev.h>
-
-/* Set EXTENT bits starting at BASE in BITMAP to value TURN_ON. */
-static void set_bitmap(unsigned long *bitmap, unsigned int base, unsigned int extent, int new_value)
-{
-	int i;
-
-	if (new_value)
-		for (i = base; i < base + extent; i++)
-			__set_bit(i, bitmap);
-	else
-		for (i = base; i < base + extent; i++)
-			clear_bit(i, bitmap);
-}
-
-/*
- * this changes the io permissions bitmap in the current task.
- */
-asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
-{
-	struct thread_struct * t = &current->thread;
-	unsigned long *bitmap;
-	struct physdev_set_iobitmap set_iobitmap;
-
-	if ((from + num <= from) || (from + num > IO_BITMAP_BITS))
-		return -EINVAL;
-	if (turn_on && !capable(CAP_SYS_RAWIO))
-		return -EPERM;
-
-	/*
-	 * If it's the first ioperm() call in this thread's lifetime, set the
-	 * IO bitmap up. ioperm() is much less timing critical than clone(),
-	 * this is why we delay this operation until now:
-	 */
-	if (!t->io_bitmap_ptr) {
-		bitmap = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
-		if (!bitmap)
-			return -ENOMEM;
-
-		memset(bitmap, 0xff, IO_BITMAP_BYTES);
-		t->io_bitmap_ptr = bitmap;
-
-		set_xen_guest_handle(set_iobitmap.bitmap, (char *)bitmap);
-		set_iobitmap.nr_ports = IO_BITMAP_BITS;
-		HYPERVISOR_physdev_op(PHYSDEVOP_set_iobitmap, &set_iobitmap);
-	}
-
-	set_bitmap(t->io_bitmap_ptr, from, num, !turn_on);
-
-	return 0;
-}
-
-/*
- * sys_iopl has to be used when you want to access the IO ports
- * beyond the 0x3ff range: to get the full 65536 ports bitmapped
- * you'd need 8kB of bitmaps/process, which is a bit excessive.
- *
- */
-
-asmlinkage long sys_iopl(unsigned int new_iopl, struct pt_regs *regs)
-{
-	unsigned int old_iopl = current->thread.iopl;
-	struct physdev_set_iopl set_iopl;
-
-	if (new_iopl > 3)
-		return -EINVAL;
-
-	/* Need "raw I/O" privileges for direct port access. */
-	if ((new_iopl > old_iopl) && !capable(CAP_SYS_RAWIO))
-		return -EPERM;
-
-	/* Change our version of the privilege levels. */
-	current->thread.iopl = new_iopl;
-
-	/* Force the change at ring 0. */
-	set_iopl.iopl = (new_iopl == 0) ? 1 : new_iopl;
-	HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl);
-
-	return 0;
-}