lguest: per-cpu run guest

This patch makes the run_guest() routine use the lg_cpu struct.
This is required since in a smp guest environment, there's no
more the notion of "running the guest", but rather, it is "running the vcpu"

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index c1069bceba11..75b38f2c778a 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -174,8 +174,10 @@ void __lgwrite(struct lguest *lg, unsigned long addr, const void *b,
 /*H:030 Let's jump straight to the the main loop which runs the Guest.
  * Remember, this is called by the Launcher reading /dev/lguest, and we keep
  * going around and around until something interesting happens. */
-int run_guest(struct lguest *lg, unsigned long __user *user)
+int run_guest(struct lg_cpu *cpu, unsigned long __user *user)
 {
+        struct lguest *lg = cpu->lg;
+
         /* We stop running once the Guest is dead. */
         while (!lg->dead) {
                 /* First we run any hypercalls the Guest wants done. */
@@ -226,7 +228,7 @@ int run_guest(struct lguest *lg, unsigned long __user *user)
                 local_irq_disable();
 
                 /* Actually run the Guest until something happens. */
-                lguest_arch_run_guest(lg);
+                lguest_arch_run_guest(cpu);
 
                 /* Now we're ready to be interrupted or moved to other CPUs */
                 local_irq_enable();