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| author |   Eliezer Tamir <eliezer.tamir@linux.intel.com> | 2013-07-02 23:22:47 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-07-02 15:53:53 -0700 |
| commit | 1bc2774d866444c5b316fd1dc2b782f20c762cf4 (patch) | |
| tree | dfadce12c9f45c80cd372b27456151be000c8aee /include/linux/jiffies.h | |
| parent | nlmon: use standard rtnetlink link api for add/del devices (diff) | |
| download | linux-dev-1bc2774d866444c5b316fd1dc2b782f20c762cf4.tar.xz linux-dev-1bc2774d866444c5b316fd1dc2b782f20c762cf4.zip | |
net: convert lls to use time_in_range()
Time in range will fail safely if we move to a different cpu with an
extremely large clock skew.
Add time_in_range64() and convert lls to use it.
changelog:
v2
- fixed double call to sched_clock in can_poll_ll
- fixed checkpatchisms
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/jiffies.h')
| -rw-r--r-- | include/linux/jiffies.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 8fb8edf12417..97ba4e78a37e 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -139,6 +139,10 @@ static inline u64 get_jiffies_64(void) ((__s64)(a) - (__s64)(b) >= 0)) #define time_before_eq64(a,b) time_after_eq64(b,a) +#define time_in_range64(a, b, c) \ + (time_after_eq64(a, b) && \ + time_before_eq64(a, c)) + /* * These four macros compare jiffies and 'a' for convenience. */ |