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compat: Introduce COMPAT_USE_64BIT_TIME

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Allow a compatibility ABI to use a 64-bit time_t and 64-bit members in
struct timeval and struct timespec to avoid the Y2038 problem.

This will be used for the x32 ABI.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. J. Lu 2012-02-10 14:04:27 -08:00 committed by H. Peter Anvin
parent 109a1f32d0
commit 45e8778129
1 changed files with 4 additions and 0 deletions
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4
include/linux/compat.h
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@ -19,6 +19,10 @@
#include <asm/siginfo.h>
#include <asm/signal.h>
#ifndef COMPAT_USE_64BIT_TIME
#define COMPAT_USE_64BIT_TIME 0
#endif
#define compat_jiffies_to_clock_t(x) \
(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)