x86, io_apic: Move irq_remapping_enabled checks out of check_timer()

Move these checks to IRQ remapping code by introducing the
panic_on_irq_remap() function.

Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index f1afa04..fb99a73 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -45,6 +45,7 @@
 				     unsigned int irq, unsigned int dest,
 				     struct msi_msg *msg, u8 hpet_id);
 extern int setup_hpet_msi_remapped(unsigned int irq, unsigned int id);
+extern void panic_if_irq_remap(const char *msg);
 
 #else  /* CONFIG_IRQ_REMAP */
 
@@ -75,6 +76,10 @@
 {
 	return -ENODEV;
 }
+
+static inline void panic_if_irq_remap(const char *msg)
+{
+}
 #endif /* CONFIG_IRQ_REMAP */
 
 #endif /* __X86_IRQ_REMAPPING_H */