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Date: Sat, 24 Feb 2007 18:19:16 +0200 From: Sami Farin <7atbggg02@...akemail.com> To: linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [RFC] div64_64 support On Fri, Feb 23, 2007 at 17:05:27 -0800, Stephen Hemminger wrote: > Since there already two users of full 64 bit division in the kernel, > and other places maybe hiding out as well. Add a full 64/64 bit divide. > > Yes this expensive, but there are places where it is necessary. > It is not clear if doing the scaling buys any advantage on 64 bit platforms, > so for them a full divide is done. Still does not work after these fixes... how came? WARNING: "div64_64" [net/netfilter/xt_connbytes.ko] undefined! WARNING: "div64_64" [net/ipv4/tcp_cubic.ko] undefined! --- linux-2.6.19/include/asm-i386/div64.h.bak 2006-11-29 23:57:37.000000000 +0200 +++ linux-2.6.19/include/asm-i386/div64.h 2007-02-24 16:24:55.822529880 +0200 @@ -45,4 +45,7 @@ div_ll_X_l_rem(long long divs, long div, return dum2; } + +extern uint64_t div64_64(uint64_t dividend, uint64_t divisor); + #endif --- linux-2.6.19/lib/div64.c.bak 2007-02-24 16:10:03.686084000 +0200 +++ linux-2.6.19/lib/div64.c 2007-02-24 17:01:11.224517353 +0200 @@ -80,4 +80,6 @@ uint64_t div64_64(uint64_t dividend, uin return dividend; } +EXPORT_SYMBOL(div64_64); + #endif /* BITS_PER_LONG == 32 */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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