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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-10-02 09:57:16 +0200
committerLaurent Vivier <laurent@vivier.eu>2020-10-13 13:33:45 +0200
commit009f51df0e697bab4578037092057ac398fd15f4 (patch)
tree3dadd1bb5d1567a63b04453b24185e80fd29f407 /hw/block
parent32048d724d85c986dbd1883bc30c39befb8d7767 (diff)
hw/block/nvme: Simplify timestamp sum
As the 'timestamp' variable is declared as a 48-bit bitfield, we do not need to wrap the sum result. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Message-Id: <20201002075716.1657849-1-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'hw/block')
-rw-r--r--hw/block/nvme.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 63078f6009..44fa5b9076 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1280,12 +1280,7 @@ static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n)
union nvme_timestamp ts;
ts.all = 0;
-
- /*
- * If the sum of the Timestamp value set by the host and the elapsed
- * time exceeds 2^48, the value returned should be reduced modulo 2^48.
- */
- ts.timestamp = (n->host_timestamp + elapsed_time) & 0xffffffffffff;
+ ts.timestamp = n->host_timestamp + elapsed_time;
/* If the host timestamp is non-zero, set the timestamp origin */
ts.origin = n->host_timestamp ? 0x01 : 0x00;