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authorThomas Huth <thuth@redhat.com>2018-12-14 14:08:07 +0100
committerCornelia Huck <cohuck@redhat.com>2018-12-20 17:07:24 +0100
commitaba7a5a2de3dba5917024df25441f715b9249e31 (patch)
tree4b7d9a15d0e11b8861b1ca7c0cf5fb546b968d3a /include/hw/s390x/tod.h
parent55281a2c53b884d0c2bce31aee592faf20a28eed (diff)
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hw/s390x: Fix bad mask in time2tod()
Since "s390x/tcg: avoid overflows in time2tod/tod2time", the time2tod() function tries to deal with the 9 uppermost bits in the time value, but uses the wrong mask for this: 0xff80000000000000 should be used instead of 0xff10000000000000 here. Fixes: 14055ce53c2d901d826ffad7fb7d6bb8ab46bdfd Cc: qemu-stable@nongnu.org Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1544792887-14575-1-git-send-email-thuth@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> [CH: tweaked commit message] Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'include/hw/s390x/tod.h')
-rw-r--r--include/hw/s390x/tod.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/hw/s390x/tod.h b/include/hw/s390x/tod.h
index cbd7552..47ef9de 100644
--- a/include/hw/s390x/tod.h
+++ b/include/hw/s390x/tod.h
@@ -56,7 +56,7 @@ typedef struct S390TODClass {
/* Converts ns to s390's clock format */
static inline uint64_t time2tod(uint64_t ns)
{
- return (ns << 9) / 125 + (((ns & 0xff10000000000000ull) / 125) << 9);
+ return (ns << 9) / 125 + (((ns & 0xff80000000000000ull) / 125) << 9);
}
/* Converts s390's clock format to ns */