From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 11 Jan 2008 11:01:36 +0000 (+0000)
Subject: hvm: hpet: Tidy up hpet_to_ns_limit calculation.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14445^2~51
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=93c129e9bda29bc15c1cd79cb7ef609cdfa7a1dd;p=xen.git

hvm: hpet: Tidy up hpet_to_ns_limit calculation.
Suggested by Haitao Shan @ Intel.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/xen/arch/x86/hvm/hpet.c b/xen/arch/x86/hvm/hpet.c
index 72d1ccd4a7..f6845755a0 100644
--- a/xen/arch/x86/hvm/hpet.c
+++ b/xen/arch/x86/hvm/hpet.c
@@ -551,7 +551,7 @@ void hpet_init(struct vcpu *v)
     h->tsc_freq = ticks_per_sec(v);
 
     h->hpet_to_ns_scale = ((S_TO_NS * TSC_PER_HPET_TICK) << 10) / h->tsc_freq;
-    h->hpet_to_ns_limit = (~0ULL >> 1) / h->hpet_to_ns_scale;
+    h->hpet_to_ns_limit = ~0ULL / h->hpet_to_ns_scale;
 
     /* 64-bit main counter; 3 timers supported; LegacyReplacementRoute. */
     h->hpet.capability = 0x8086A201ULL;