[PATCH] i386/smpboot: use msleep() instead of schedule_timeout()

[pandora-kernel.git] / arch / i386 / kernel / vm86.c

diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c
index d3b4c54..16b4850 100644 (file)
--- a/arch/i386/kernel/vm86.c
+++ b/arch/i386/kernel/vm86.c
@@ -222,7 +222,7 @@ asmlinkage int sys_vm86(struct pt_regs regs)
                        goto out;
                case VM86_PLUS_INSTALL_CHECK:
                        /* NOTE: on old vm86 stuff this will return the error
-                          from verify_area(), because the subfunction is
+                          from access_ok(), because the subfunction is
                           interpreted as (invalid) address to vm86_struct.
                           So the installation check works.
                         */
@@ -294,8 +294,8 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
  */
        info->regs32->eax = 0;
        tsk->thread.saved_esp0 = tsk->thread.esp0;
-       asm volatile("mov %%fs,%0":"=m" (tsk->thread.saved_fs));
-       asm volatile("mov %%gs,%0":"=m" (tsk->thread.saved_gs));
+       savesegment(fs, tsk->thread.saved_fs);
+       savesegment(gs, tsk->thread.saved_gs);
 
        tss = &per_cpu(init_tss, get_cpu());
        tsk->thread.esp0 = (unsigned long) &info->VM86_TSS_ESP0;
@@ -542,7 +542,7 @@ void handle_vm86_fault(struct kernel_vm86_regs * regs, long error_code)
        unsigned char opcode;
        unsigned char __user *csp;
        unsigned char __user *ssp;
-       unsigned short ip, sp;
+       unsigned short ip, sp, orig_flags;
        int data32, pref_done;
 
 #define CHECK_IF_IN_TRAP \
@@ -551,8 +551,12 @@ void handle_vm86_fault(struct kernel_vm86_regs * regs, long error_code)
 #define VM86_FAULT_RETURN do { \
        if (VMPI.force_return_for_pic  && (VEFLAGS & (IF_MASK | VIF_MASK))) \
                return_to_32bit(regs, VM86_PICRETURN); \
+       if (orig_flags & TF_MASK) \
+               handle_vm86_trap(regs, 0, 1); \
        return; } while (0)
 
+       orig_flags = *(unsigned short *)&regs->eflags;
+
        csp = (unsigned char __user *) (regs->cs << 4);
        ssp = (unsigned char __user *) (regs->ss << 4);
        sp = SP(regs);