KVM: x86: introduce do_shl32_div32

[deliverable/linux.git] / arch / x86 / kvm / x86.c

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4244c2baf57da55aa5dd266b63781642dcc8af12..5b937fdebc665112cc0c6d2cd2e74241c92dc533 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1196,14 +1196,8 @@ static void kvm_write_wall_clock(struct kvm *kvm, gpa_t wall_clock)
 
 static uint32_t div_frac(uint32_t dividend, uint32_t divisor)
 {
-       uint32_t quotient, remainder;
-
-       /* Don't try to replace with do_div(), this one calculates
-        * "(dividend << 32) / divisor" */
-       __asm__ ( "divl %4"
-                 : "=a" (quotient), "=d" (remainder)
-                 : "0" (0), "1" (dividend), "r" (divisor) );
-       return quotient;
+       do_shl32_div32(dividend, divisor);
+       return dividend;
 }
 
 static void kvm_get_time_scale(uint32_t scaled_khz, uint32_t base_khz,