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SubjectRe: TCP Segmentation Offloading (TSO)
From
   From: "H. Peter Anvin" <hpa@zytor.com>
Date: 3 Sep 2002 18:02:17 -0700

Followup to: <20020903.164243.21934772.taka@valinux.co.jp>
By author: Hirokazu Takahashi <taka@valinux.co.jp>
In newsgroup: linux.dev.kernel
>
> P.S.
> Using "bswap" is little bit tricky.
>

It needs to be protected by CONFIG_I486 and alternate code implemented
for i386 (xchg %al,%ah; rol $16,%eax, xchg %al,%ah for example.)

He only used bswap in the P-II/PPRO csum_partial, which is
ifdef protected.
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