Re: block layer sg, bsg

[David S. Miller]

On Wed, 04 Aug 2004 16:51:13 -0700 (PDT)
YOSHIFUJI Hideaki / $B5HF#1QL@(B <yoshfuji@xxxxxxxxxxxxxx> wrote:

> > Well, 32bit ipsec on x86-64/ia64 is a NOP because of that.
> 
> Hmm, I don't get the point.
> What part (or which structore) is broken?

On x86-64 and ia64 they have a large issue because the ia32
emulation layer has to handle the fact that "long long" types
do not require 8-byte alignment, whereas 64-bit natively
they do.

So all things going over netlink that use u64 or similar have
potential structure layout issues due to this difference.
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