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| author | Keir Fraser <keir.fraser@citrix.com> | 2009-06-24 10:57:00 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-06-24 10:57:00 +0100 |
| commit | c764820ae6c300900aecc04dab691b14f4152f13 (patch) | |
| tree | b105569caa7337be0fcb2db2b3d3acca66378455 /xen/include/xen/lib.h | |
| parent | 448dac02973ea594c7d5a9ba31da3b6e3ae1ef2d (diff) | |
| download | xen-c764820ae6c300900aecc04dab691b14f4152f13.tar.gz xen-c764820ae6c300900aecc04dab691b14f4152f13.tar.bz2 xen-c764820ae6c300900aecc04dab691b14f4152f13.zip | |
Move muldiv64 out and make it as a public function.
muldiv64 is used to caculate u64*u32/u32, and we
will use it for TSC scaling.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/include/xen/lib.h')
| -rw-r--r-- | xen/include/xen/lib.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h index 6b5033a36e..bca0d65df0 100644 --- a/xen/include/xen/lib.h +++ b/xen/include/xen/lib.h @@ -99,6 +99,8 @@ unsigned long long simple_strtoull( unsigned long long parse_size_and_unit(const char *s, const char **ps); +uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c); + #define TAINT_UNSAFE_SMP (1<<0) #define TAINT_MACHINE_CHECK (1<<1) #define TAINT_BAD_PAGE (1<<2) |