Messages in this thread Patch in this message | | | From | S.Çağlar Onur <> | Subject | [PATCH] arch/alpha/kernel/traps.c: Use time_* macros | Date | Mon, 17 Mar 2008 11:36:23 +0200 |
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The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values.
So following patch implements usage of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly
Cc: Richard Henderson <rth@twiddle.net> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: S.Çağlar Onur <caglar@pardus.org.tr> --- arch/alpha/kernel/traps.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 2dc7f9f..aa27106 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -8,6 +8,7 @@ * This file initializes the trap entry points */ +#include <linux/jiffies.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/tty.h> @@ -781,7 +782,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, with the unaliged access. */ if (!test_thread_flag (TIF_UAC_NOPRINT)) { - if (cnt >= 5 && jiffies - last_time > 5*HZ) { + if (cnt >= 5 && time_after(jiffies, last_time + 5 * HZ)) { cnt = 0; } if (++cnt < 5) { -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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