diff options
Diffstat (limited to 'arch/x86/kvm/i8254.c')
| -rw-r--r-- | arch/x86/kvm/i8254.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 361e3161127..3324d90038e 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -35,7 +35,7 @@ #include "i8254.h" #ifndef CONFIG_X86_64 -#define mod_64(x, y) ((x) - (y) * div64_64(x, y)) +#define mod_64(x, y) ((x) - (y) * div64_u64(x, y)) #else #define mod_64(x, y) ((x) % (y)) #endif @@ -60,8 +60,8 @@ static u64 muldiv64(u64 a, u32 b, u32 c) rl = (u64)u.l.low * (u64)b; rh = (u64)u.l.high * (u64)b; rh += (rl >> 32); - res.l.high = div64_64(rh, c); - res.l.low = div64_64(((mod_64(rh, c) << 32) + (rl & 0xffffffff)), c); + res.l.high = div64_u64(rh, c); + res.l.low = div64_u64(((mod_64(rh, c) << 32) + (rl & 0xffffffff)), c); return res.ll; } @@ -288,6 +288,8 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val) * mode 1 is one shot, mode 2 is period, otherwise del timer */ switch (ps->channels[0].mode) { case 1: + /* FIXME: enhance mode 4 precision */ + case 4: create_pit_timer(&ps->pit_timer, val, 0); break; case 2: |