diff options
| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2015-03-03 16:12:12 -0500 |
|---|---|---|
| committer |   David Vrabel <david.vrabel@citrix.com> | 2015-03-16 14:49:14 +0000 |
| commit | b3b06c7eb7820cea5c15f9faa4964044284c5399 (patch) | |
| tree | 13d096902840ab0ddaf9b1047d6c3949cc3c2761 /arch/x86/xen | |
| parent | x86/xen: Provide a "Xen PV" APIC driver to support >255 VCPUs (diff) | |
| download | linux-dev-b3b06c7eb7820cea5c15f9faa4964044284c5399.tar.xz linux-dev-b3b06c7eb7820cea5c15f9faa4964044284c5399.zip | |
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>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/apic.c | 2 |
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) |