From: Maciej W. Rozycki <macro@orcam.me.uk>
Date: Thu, 31 Mar 2022 07:10:12 +0000 (+0100)
Subject: x86/PCI: Show the physical address of the $PIR table
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=613fa6e217e1f216109da784d6f127cc708026c0;p=linux.git

x86/PCI: Show the physical address of the $PIR table

It makes no sense to hide the address of the $PIR table in a debug dump:

PCI: Interrupt Routing Table found at 0x(ptrval)

let alone print its virtual address, given that this is a BIOS entity at
a fixed location in the system's memory map.  Show the physical address
instead then, e.g.:

PCI: Interrupt Routing Table found at 0xfde10

Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2203301532330.22465@angie.orcam.me.uk
---

diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 97b63e35e1528..a33fe9c811c73 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -84,8 +84,8 @@ static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
 	for (i = 0; i < rt->size; i++)
 		sum += addr[i];
 	if (!sum) {
-		DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n",
-			rt);
+		DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%lx\n",
+		    __pa(rt));
 		return rt;
 	}
 	return NULL;