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Date: Fri, 27 Dec 2013 09:25:05 -0800
From: "H.J. Lu" <hjl.tools@...il.com>
To: "H. Peter Anvin" <hpa@...or.com>,
LKML <linux-kernel@...r.kernel.org>
Cc: "H.J. Lu" <hjl.tools@...il.com>
Subject: [PATCH 1/8] Use __kernel_long_t in struct timex
X32 adjtimex system call is the same as x86-64 adjtimex system call,
which uses 64-bit integer for long in struct timex. But x32 long is
32 bit. This patch replaces long in struct timex with __kernel_long_t
if __BITS_PER_LONG == 64.
Signed-off-by: H.J. Lu <hjl.tools@...il.com>
---
include/uapi/linux/timex.h | 46 ++++++++++++++++++++++++++++++++++++++--------
1 file changed, 38 insertions(+), 8 deletions(-)
diff --git a/include/uapi/linux/timex.h b/include/uapi/linux/timex.h
index a7ea81f..98314e9 100644
--- a/include/uapi/linux/timex.h
+++ b/include/uapi/linux/timex.h
@@ -63,28 +63,58 @@
*/
struct timex {
unsigned int modes; /* mode selector */
+#if __BITS_PER_LONG == 64
+ __kernel_long_t offset; /* time offset (usec) */
+ __kernel_long_t freq; /* frequency offset (scaled ppm) */
+ __kernel_long_t maxerror;/* maximum error (usec) */
+ __kernel_long_t esterror;/* estimated error (usec) */
+#else
long offset; /* time offset (usec) */
long freq; /* frequency offset (scaled ppm) */
long maxerror; /* maximum error (usec) */
long esterror; /* estimated error (usec) */
+#endif
int status; /* clock command/status */
+#if __BITS_PER_LONG == 64
+ __kernel_long_t constant;/* pll time constant */
+ __kernel_long_t precision;/* clock precision (usec) (read only) */
+ __kernel_long_t tolerance;/* clock frequency tolerance (ppm)
+ * (read only)
+ */
+#else
long constant; /* pll time constant */
long precision; /* clock precision (usec) (read only) */
long tolerance; /* clock frequency tolerance (ppm)
* (read only)
*/
+#endif
struct timeval time; /* (read only, except for ADJ_SETOFFSET) */
+#if __BITS_PER_LONG == 64
+ __kernel_long_t tick; /* (modified) usecs between clock ticks */
+
+ __kernel_long_t ppsfreq;/* pps frequency (scaled ppm) (ro) */
+ __kernel_long_t jitter; /* pps jitter (us) (ro) */
+#else
long tick; /* (modified) usecs between clock ticks */
- long ppsfreq; /* pps frequency (scaled ppm) (ro) */
- long jitter; /* pps jitter (us) (ro) */
+ long ppsfreq; /* pps frequency (scaled ppm) (ro) */
+ long jitter; /* pps jitter (us) (ro) */
+#endif
int shift; /* interval duration (s) (shift) (ro) */
- long stabil; /* pps stability (scaled ppm) (ro) */
- long jitcnt; /* jitter limit exceeded (ro) */
- long calcnt; /* calibration intervals (ro) */
- long errcnt; /* calibration errors (ro) */
- long stbcnt; /* stability limit exceeded (ro) */
-
+#if __BITS_PER_LONG == 64
+ __kernel_long_t stabil; /* pps stability (scaled ppm) (ro) */
+ __kernel_long_t jitcnt; /* jitter limit exceeded (ro) */
+ __kernel_long_t calcnt; /* calibration intervals (ro) */
+ __kernel_long_t errcnt; /* calibration errors (ro) */
+ __kernel_long_t stbcnt; /* stability limit exceeded (ro) */
+
+#else
+ long stabil; /* pps stability (scaled ppm) (ro) */
+ long jitcnt; /* jitter limit exceeded (ro) */
+ long calcnt; /* calibration intervals (ro) */
+ long errcnt; /* calibration errors (ro) */
+ long stbcnt; /* stability limit exceeded (ro) */
+#endif
int tai; /* TAI offset (ro) */
int :32; int :32; int :32; int :32;
--
1.8.4.2
--
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