Good-Cooking - Old Country Porketta Sandwiches

Ingredients

• 1 (5 pound) pork loin
• 2 teaspoons salt
• 2 teaspoons black pepper, coarsely ground
• 2 teaspoons garlic powder
• 1 1/2 teaspoons onion powder
• 1 1/2 teaspoons dry mustard
• 1 1/2 teaspoons paprika
• 1 teaspoon dried sage
• 1/2 teaspoon cayenne pepper
• Olive oil