From: Andrew Morton <akpm@osdl.org>
To: Willy Tarreau <willy@w.ods.org>
Cc: davidel@xmailserver.org, nacc@us.ibm.com,
nish.aravamudan@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] 2.6.14-rc2-mm1: fixes for overflow msec_to_jiffies()
Date: Thu, 29 Sep 2005 02:43:12 -0700 [thread overview]
Message-ID: <20050929024312.2f3a9e80.akpm@osdl.org> (raw)
In-Reply-To: <20050924194418.GC26197@alpha.home.local>
Willy Tarreau <willy@w.ods.org> wrote:
>
> +#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
> +# define MAX_MSEC_OFFSET \
> + (ULONG_MAX - (MSEC_PER_SEC / HZ) + 1)
That generates numbers which don't fit into unsigned ints, yielding vast
numbers of
include/linux/jiffies.h: In function `msecs_to_jiffies':
include/linux/jiffies.h:310: warning: comparison is always false due to limited range of data type
include/linux/jiffies.h: In function `usecs_to_jiffies':
include/linux/jiffies.h:323: warning: comparison is always false due to limited range of data type
next prev parent reply other threads:[~2005-09-29 9:43 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-23 18:13 [patch] sys_epoll_wait() timeout saga Davide Libenzi
2005-09-23 18:24 ` Nish Aravamudan
2005-09-24 4:05 ` Willy Tarreau
2005-09-24 4:44 ` Nish Aravamudan
2005-09-24 6:15 ` Willy Tarreau
2005-09-24 7:33 ` Vadim Lobanov
2005-09-24 7:51 ` Willy Tarreau
2005-09-24 15:10 ` Davide Libenzi
2005-09-24 17:20 ` Willy Tarreau
2005-09-24 18:19 ` Davide Libenzi
2005-09-25 6:05 ` Andrew Morton
2005-09-25 6:20 ` Willy Tarreau
2005-09-25 6:32 ` Andrew Morton
2005-09-25 7:08 ` Vadim Lobanov
2005-09-25 8:03 ` Willy Tarreau
2005-09-24 17:19 ` Nishanth Aravamudan
2005-09-24 18:25 ` Davide Libenzi
2005-09-24 19:38 ` [PATCH 0/3] fixes for overflow in poll(), epoll(), and msec_to_jiffies() Willy Tarreau
2005-09-24 19:44 ` [PATCH 1/3] 2.6.14-rc2-mm1: fixes for overflow msec_to_jiffies() Willy Tarreau
2005-09-29 9:43 ` Andrew Morton [this message]
2005-09-29 19:41 ` Willy Tarreau
2005-09-29 19:52 ` Andrew Morton
2005-09-29 20:55 ` Willy Tarreau
2005-10-01 17:39 ` Willy Tarreau
2005-09-24 19:47 ` [PATCH 2/3] 2.6.14-rc2-mm1: fixes for overflow in epoll() Willy Tarreau
2005-09-24 19:52 ` [PATCH 3/3] 2.6.14-rc2-mm1 : fixes for overflow in sys_poll() Willy Tarreau
2005-10-01 20:39 ` Willy Tarreau
2005-09-24 20:08 ` [PATCH 0/3] fixes for overflow in poll(), epoll(), and msec_to_jiffies() Davide Libenzi
2005-09-24 20:21 ` Willy TARREAU
2005-09-25 20:55 ` Nishanth Aravamudan
2005-09-25 22:06 ` Willy Tarreau
2005-09-24 21:25 ` [patch] sys_epoll_wait() timeout saga Vadim Lobanov
2005-09-24 18:30 ` Willy Tarreau
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