From: Dmitriy Zavin <dmitriyz@google.com>
To: linux-kernel@vger.kernel.org
Cc: ak@suse.de, akpm@osdl.org
Subject: [PATCH 2/4] jiffies: Add 64bit jiffies compares (needed when long < 64bit).
Date: Tue, 19 Sep 2006 19:42:40 -0700 [thread overview]
Message-ID: <11587201621900-git-send-email-dmitriyz@google.com> (raw)
In-Reply-To: <11587201623187-git-send-email-dmitriyz@google.com>
Signed-off-by: Dmitriy Zavin <dmitriyz@google.com>
---
include/linux/jiffies.h | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 329ebcf..dc74075 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -115,6 +115,18 @@ #define time_after_eq(a,b) \
((long)(a) - (long)(b) >= 0))
#define time_before_eq(a,b) time_after_eq(b,a)
+#define time_after64(a,b) \
+ (typecheck(__u64, a) && \
+ typecheck(__u64, b) && \
+ ((__s64)(b) - (__s64)(a) < 0))
+#define time_before64(a,b) time_after64(b,a)
+
+#define time_after_eq64(a,b) \
+ (typecheck(__u64, a) && \
+ typecheck(__u64, b) && \
+ ((__s64)(a) - (__s64)(b) >= 0))
+#define time_before_eq64(a,b) time_after_eq64(b,a)
+
/*
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.
--
1.4.2
next prev parent reply other threads:[~2006-09-20 2:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-20 2:42 therm_throt: Refactor and improve thermal throttle processing Dmitriy Zavin
2006-09-20 2:42 ` [PATCH 1/4] x86_64/i386 thermal mce: Refactor thermal throttle reporting Dmitriy Zavin
2006-09-20 2:42 ` Dmitriy Zavin [this message]
2006-09-20 2:42 ` [PATCH 3/4] therm_throt: Make the jiffies compares use the 64bit safe macros Dmitriy Zavin
2006-09-20 2:42 ` [PATCH 4/4] therm_throt: Add a cumulative event counter and export it to /sys Dmitriy Zavin
2006-09-20 7:42 ` Andi Kleen
2006-09-20 7:43 ` [PATCH 3/4] therm_throt: Make the jiffies compares use the 64bit safe macros Andi Kleen
2006-09-20 7:40 ` [PATCH 2/4] jiffies: Add 64bit jiffies compares (needed when long < 64bit) Andi Kleen
2006-09-20 23:08 ` Dmitriy Zavin
2006-09-20 7:38 ` [PATCH 1/4] x86_64/i386 thermal mce: Refactor thermal throttle reporting Andi Kleen
2006-09-20 20:54 ` Dmitriy Zavin
2006-09-20 7:43 ` therm_throt: Refactor and improve thermal throttle processing Andi Kleen
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