From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Sebastian Smolorz <ssm@domain.hid>
Cc: adeos-main@gna.org
Subject: Re: [Adeos-main] [PATCH] Fix ipipe_tsc2ns for ARM
Date: Mon, 04 Dec 2006 12:15:48 +0100 [thread overview]
Message-ID: <45740364.4060404@domain.hid> (raw)
In-Reply-To: <E1GrB4y-0006gX-JS@mailer.emlix.com>
Sebastian Smolorz wrote:
> Gilles Chanteperdrix wrote:
>
>>Sebastian Smolorz wrote:
>>
>>>Ok, see my attached patch. But can we assume in all cases that
>>>ipipe_tsc2ns is used with a value smaller than a long long variable? The
>>>only usage of this macro so far is in __ipipe_print_delay() which calls
>>>it with a substraction of two unsigned long long variables.
>>
>>The patch using do_div also assumes that t * 1000 will never overflow 64
>>bits. But I agree, it is less restrictive.
>>
>>
>>>>What value is a 64 bits when it fails,
>>>>__ipipe_mach_ticks_per_jiffy or t ?
>>>
>>>Sorry, I'm not really sure what you mean here.
>>
>>Forget it, I got the answer, it is t that is a 64 bits value.
>
>
> So which patch are you going to check in?
I have no preference, maybe Philippe has one ?
--
Gilles Chanteperdrix
next prev parent reply other threads:[~2006-12-04 11:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-29 15:17 [Adeos-main] [PATCH] Fix ipipe_tsc2ns for ARM Sebastian Smolorz
2006-11-29 17:27 ` Gilles Chanteperdrix
2006-11-30 9:35 ` Sebastian Smolorz
2006-11-30 14:07 ` Gilles Chanteperdrix
2006-12-04 10:29 ` Sebastian Smolorz
2006-12-04 11:15 ` Gilles Chanteperdrix [this message]
2006-12-06 11:57 ` Philippe Gerum
2006-12-06 13:17 ` Gilles Chanteperdrix
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