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authorArnd Bergmann <arnd@arndb.de>2018-06-18 18:11:14 +0300
committerJohannes Berg <johannes.berg@intel.com>2018-06-29 10:49:28 +0300
commitfe0984d38938249f3f11fc558a8845fc6f8a0105 (patch)
tree17567180d52ce42b221309252baa61aefdfd6961 /Documentation/aoe
parent8ba6731ad4c7e9f612b2f7dae1b5ed6bfc884b67 (diff)
downloadlinux-fe0984d38938249f3f11fc558a8845fc6f8a0105.tar.xz
cfg80211: track time using boottime
The cfg80211 layer uses get_seconds() to read the current time in its supend handling. This function is deprecated because of the 32-bit time_t overflow, and it can cause unexpected behavior when the time changes due to settimeofday() calls or leap second updates. In many cases, we want to use monotonic time instead, however cfg80211 explicitly tracks the time spent in suspend, so this changes the driver over to use ktime_get_boottime_seconds(), which is slightly slower, but not used in a fastpath here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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