[Xen-devel] [PATCH] x86: Hyper-V clock source's offset should be signed

[Wei Liu <wl@xxxxxxx>]

Fixes: 685d16bd5 (x86: implement Hyper-V clock source)
Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>
---
I discover this stupid mistake when I work on extracting common code
from viridian and the clock source implementation.
---
 xen/arch/x86/time.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c
index a3c9b927e8..bbcc9b10b8 100644
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -698,7 +698,8 @@ static int64_t __init init_hyperv_timer(struct 
platform_timesource *pts)
 
 static inline uint64_t read_hyperv_timer(void)
 {
-    uint64_t scale, offset, ret, tsc;
+    uint64_t scale, ret, tsc;
+    int64_t offset;
     uint32_t seq;
     const struct ms_hyperv_tsc_page *tsc_page = hyperv_tsc;
 
-- 
2.20.1


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