linux-kernel - [PATCH] x86/ioapic: Correctly print IRTE's index field when enabling INTR

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Date:   Tue, 22 Aug 2017 23:44:47 +0800
From:   raymond pang <raymondpangxd@...il.com>
To:     joro@...tes.org, tglx@...utronix.de, mingo@...hat.com,
        hpa@...or.com, linux-arch@...r.kernel.org, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] x86/ioapic: Correctly print IRTE's index field when enabling INTR

When enabling interrupt remap, IOAPIC's RTE contains interrupt_index
field of IRTE. And this field is composed of index and index2 member of
struct IR_IO_APIC_route_entry. Make io_apic_print_entries() correctly
print interrupt index field.

Signed-off-by: Raymond Pang <raymondpangxd@...il.com>
---
 arch/x86/kernel/apic/io_apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 237e9c2..70e48aa 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1243,7 +1243,7 @@ static void io_apic_print_entries(unsigned int
apic, unsigned int nr_entries)
     entry.vector, entry.irr, entry.delivery_status);
   if (ir_entry->format)
    printk(KERN_DEBUG "%s, remapped, I(%04X),  Z(%X)\n",
-          buf, (ir_entry->index << 15) | ir_entry->index,
+          buf, (ir_entry->index2 << 15) | ir_entry->index,
           ir_entry->zero);
   else
    printk(KERN_DEBUG "%s, %s, D(%02X), M(%1d)\n",
-- 
1.9.1