From: Jack Lange <jacklange@cs.pitt.edu>
Date: Wed, 4 May 2011 22:12:18 +0000 (-0500)
Subject: bind launch thread to local core
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=059b4180c355172ab9ec55fd81996d32ce696d05;p=palacios.git

bind launch thread to local core
---

diff --git a/linux_module/palacios-dev.c b/linux_module/palacios-dev.c
index 60f01ec..f019e18 100644
--- a/linux_module/palacios-dev.c
+++ b/linux_module/palacios-dev.c
@@ -138,7 +138,25 @@ static long v3_dev_ioctl(struct file * filp,
 	    init_completion(&(guest->start_done));
 	    init_completion(&(guest->thread_done));
 
-	    kthread_run(start_palacios_vm, guest, guest->name);
+	    { 
+		struct task_struct * launch_thread = NULL;
+		// At some point we're going to want to allow the user to specify a CPU mask
+		// But for now, well just launch from the local core, and rely on the global cpu mask
+
+		preempt_disable();
+		launch_thread = kthread_create(start_palacios_vm, guest, guest->name);
+		
+		if (IS_ERR(launch_thread)) {
+		    preempt_enable();
+		    printk("Palacios error creating launch thread for vm (%s)\n", guest->name);
+		    return -EFAULT;
+		}
+
+		kthread_bind(launch_thread, smp_processor_id());
+		preempt_enable();
+
+		wake_up_process(launch_thread);
+	    }
 
 	    wait_for_completion(&(guest->start_done));