Messages in this thread Patch in this message | | | Date | Fri, 25 Jun 2021 11:23:19 +0200 (CEST) | From | "Maciej W. Rozycki" <> | Subject | [PATCH 1/3] 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> --- arch/x86/pci/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
linux-x86-debug-pirq-addr.diff Index: linux-macro-ide/arch/x86/pci/irq.c =================================================================== --- linux-macro-ide.orig/arch/x86/pci/irq.c +++ linux-macro-ide/arch/x86/pci/irq.c @@ -78,8 +78,8 @@ static inline struct irq_routing_table * 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;
| |