netdev - Re: [PATCH] Fix build errors on 32bit platforms with new ktime

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Date:	Wed, 25 Apr 2007 06:55:39 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
To:	shemminger@...ux-foundation.org
Cc:	dada1@...mosbay.com, bunk@...sta.de, davem@...emloft.net,
	netdev@...r.kernel.org, tglx@...utronix.de, yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH] Fix build errors on 32bit platforms with new ktime

In article <20070424100420.2860db68@...l.pdx.osdl.net> (at Tue, 24 Apr 2007 10:04:20 -0700), Stephen Hemminger <shemminger@...ux-foundation.org> says:

> Yoshifuji-san had the right idea, but ktime_to_us needs to be defined
> in a way that works on both 64 and 32bit platforms.

No, this does not cure.
>  
> +#define ktime_to_us(kt)			((kt).tv64 / NSEC_PER_SEC)
> +

NSEC_PER_USEC?

> +static inline s64 ktime_to_us(const ktime_t kt)
> +{
> +	return (s64) kt.tv_sec * USEC_PER_SEC + kt.tv_nsec / NSEC_PER_USEC;
> +}
> +

Please do NOT use division here, which was the source of the
linkage error, and the reason why I posted a patch to use
ktime_to_timeval().

--yoshfuji
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