'idiv', when given a memory operand, can't determine the instruction
size. Provide it explicitly.
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7ce5878..32096cf 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1038,7 +1038,7 @@ void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data)
nsdiff = (nsdiff * 1000) / vcpu->arch.virtual_tsc_khz;
#else
/* do_div() only does unsigned */
- asm("idiv %2; xor %%edx, %%edx"
+ asm("idivl %2; xor %%edx, %%edx"
: "=A"(nsdiff)
: "A"(nsdiff * 1000), "rm"(vcpu->arch.virtual_tsc_khz));
#endif
--
1.7.9
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