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authorXunlei Pang <[email protected]>2015-04-01 20:34:22 -0700
committerIngo Molnar <[email protected]>2015-04-03 08:18:19 +0200
commit2ee966320028ac846654eba5344540eeb4dc228d (patch)
treef76ad848dbad24961069e1361821570b00e83ef6 /include/linux
parent9a806ddbb9a18c510e4acdcc828b9a87f5fd3aef (diff)
time: Add y2038 safe read_persistent_clock64()
As part of addressing in-kernel y2038 issues, this patch adds read_persistent_clock64() and replaces all the call sites of read_persistent_clock() with this function. This is a __weak implementation, which simply calls the existing y2038 unsafe read_persistent_clock(). This allows architecture specific implementations to be converted independently, and eventually the y2038 unsafe read_persistent_clock() can be removed after all its architecture specific implementations have been converted to read_persistent_clock64(). Suggested-by: Arnd Bergmann <[email protected]> Signed-off-by: Xunlei Pang <[email protected]> Signed-off-by: John Stultz <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/timekeeping.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 18d27a3f72ca..4c0f76f4616c 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -268,6 +268,7 @@ static inline bool has_persistent_clock(void)
}
extern void read_persistent_clock(struct timespec *ts);
+extern void read_persistent_clock64(struct timespec64 *ts);
extern void read_boot_clock(struct timespec *ts);
extern void read_boot_clock64(struct timespec64 *ts);
extern int update_persistent_clock(struct timespec now);