From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: compat_xt_counters is not compatible
Date: Sat, 15 Apr 2006 18:37:22 +0200
Message-ID: <44412142.9070409@trash.net>
References: <jeacaoqdxn.fsf@sykes.suse.de>
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To: Andreas Schwab <schwab@suse.de>
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Andreas Schwab wrote:
> struct compat_xt_counters uses uint32_t[4], which has 4 byte alignment,
> but userspace uses uint64_t[2], which has 8 byte alignment.  This breaks
> iptables in 2.6.17-rc1.

Did you actually see the breakage? gcc on x86 uses 8 byte alignment for
u_int64_t, but 4 byte alignment for structures with embedded u_int64_t
members. It appears to work just fine on my x86_64.