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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2015-03-03 16:12:12 -0500
committerDavid Vrabel <david.vrabel@citrix.com>2015-03-16 14:49:14 +0000
commitb3b06c7eb7820cea5c15f9faa4964044284c5399 (patch)
tree13d096902840ab0ddaf9b1047d6c3949cc3c2761
parentfeb44f1f7a4ac299d1ab1c3606860e70b9b89d69 (diff)
x86/xen/apic: WARN with details.
We should not be writting to the APIC registers under Xen PV. But if we do instead of just giving an blanket warning - include some details to help troubleshoot. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-rw-r--r--arch/x86/xen/apic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
index 5e0ecaf4c336..70e060ad879a 100644
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -73,7 +73,7 @@ static u32 xen_apic_read(u32 reg)
static void xen_apic_write(u32 reg, u32 val)
{
/* Warn to see if there's any stray references */
- WARN_ON(1);
+ WARN(1,"register: %x, value: %x\n", reg, val);
}
static u64 xen_apic_icr_read(void)