Use do_div() instead.
Signed-off-by: Avi Kivity <[email protected]>
---
arch/x86/kvm/x86.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 524bd3f..1de377f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -56,6 +56,7 @@
#include <asm/i387.h>
#include <asm/xcr.h>
#include <asm/pvclock.h>
+#include <asm/div64.h>
#define MAX_IO_MSRS 256
#define CR0_RESERVED_BITS \
@@ -907,11 +908,15 @@ static inline int kvm_tsc_changes_freq(void)
static inline u64 nsec_to_cycles(u64 nsec)
{
+ u64 ret;
+
WARN_ON(preemptible());
if (kvm_tsc_changes_freq())
printk_once(KERN_WARNING
"kvm: unreliable cycle conversion on adjustable rate TSC\n");
- return (nsec * __get_cpu_var(cpu_tsc_khz)) / USEC_PER_SEC;
+ ret = nsec * __get_cpu_var(cpu_tsc_khz);
+ do_div(ret, USEC_PER_SEC);
+ return ret;
}
void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data)
--
1.7.1
--
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