Merge branch 'fix/hda' into for-linus

[~andy/linux] / drivers / lguest / core.c

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 03fbc88c002391b565698d55e730b0836391693e..a6974e9b8ebff8c8676f297da0e32a1e3e6d0105 100644 (file)
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -95,7 +95,7 @@ static __init int map_switcher(void)
         * array of struct pages.  It increments that pointer, but we don't
         * care. */
        pagep = switcher_page;
-       err = map_vm_area(switcher_vma, PAGE_KERNEL, &pagep);
+       err = map_vm_area(switcher_vma, PAGE_KERNEL_EXEC, &pagep);
        if (err) {
                printk("lguest: map_vm_area failed: %i\n", err);
                goto free_vma;
@@ -198,19 +198,17 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user)
                /* It's possible the Guest did a NOTIFY hypercall to the
                 * Launcher, in which case we return from the read() now. */
                if (cpu->pending_notify) {
-                       if (put_user(cpu->pending_notify, user))
-                               return -EFAULT;
-                       return sizeof(cpu->pending_notify);
+                       if (!send_notify_to_eventfd(cpu)) {
+                               if (put_user(cpu->pending_notify, user))
+                                       return -EFAULT;
+                               return sizeof(cpu->pending_notify);
+                       }
                }
 
                /* Check for signals */
                if (signal_pending(current))
                        return -ERESTARTSYS;
 
-               /* If Waker set break_out, return to Launcher. */
-               if (cpu->break_out)
-                       return -EAGAIN;
-
                /* Check if there are any interrupts which can be delivered now:
                 * if so, this sets up the hander to be executed when we next
                 * run the Guest. */
@@ -229,13 +227,12 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user)
                        break;
 
                /* If the Guest asked to be stopped, we sleep.  The Guest's
-                * clock timer or LHREQ_BREAK from the Waker will wake us. */
+                * clock timer will wake us. */
                if (cpu->halted) {
                        set_current_state(TASK_INTERRUPTIBLE);
-                       /* Just before we sleep, make sure nothing snuck in
+                       /* Just before we sleep, make sure no interrupt snuck in
                         * which we should be doing. */
-                       if (interrupt_pending(cpu, &more) < LGUEST_IRQS
-                           || cpu->break_out)
+                       if (interrupt_pending(cpu, &more) < LGUEST_IRQS)
                                set_current_state(TASK_RUNNING);
                        else
                                schedule();