use mod_64 from arch/x86/kvm/i8254.c to fix
ERROR: "__moddi3" [arch/x86/kvm/kvm.ko] undefined!
Signed-off-by: Clemens Noss <cn...@gmx.de>
---
Patch against kvm/master branch, to fix the build failure reported by
Randy Dunlap on lkml.
My virtual machine still works.
---
arch/x86/kvm/lapic.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index d8adc50..f0b67f2 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -35,6 +35,12 @@
#include "kvm_cache_regs.h"
#include "irq.h"
+#ifndef CONFIG_X86_64
+#define mod_64(x, y) ((x) - (y) * div64_u64(x, y))
+#else
+#define mod_64(x, y) ((x) % (y))
+#endif
+
#define PRId64 "d"
#define PRIx64 "llx"
#define PRIu64 "u"
@@ -525,7 +531,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
if (ktime_to_ns(remaining) < 0)
remaining = ktime_set(0, 0);
- ns = ktime_to_ns(remaining) % apic->timer.period;
+ ns = mod_64(ktime_to_ns(remaining), apic->timer.period);
tmcct = div64_u64(ns, (APIC_BUS_CYCLE_NS * apic->timer.divide_count));
return tmcct;
--
1.6.1
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