netdev - Re: [PATCH net-next] net: Implement fast csum_partial for x86

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Message-ID: <CALx6S370tAh1g5q9trDuFxc84qOozT6XjdSKB94dvGRTUikfvA@mail.gmail.com>
Date:	Mon, 4 Jan 2016 15:34:34 -0800
From:	Tom Herbert <tom@...bertland.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Kernel Team <kernel-team@...com>
Subject: Re: [PATCH net-next] net: Implement fast csum_partial for x86_64

On Mon, Jan 4, 2016 at 2:36 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Sun, 2016-01-03 at 15:22 -0800, Tom Herbert wrote:
> \...
>> +402: /* Length 2, align is 1, 3, or 5 */
>> +     movb    (%rdi), %al
>> +     movb    1(%rdi), %ah
>
> Looks like a movw (%rdi),%ax
>
Wouldn't that be an unaligned access?

>
> Also you probably should send this patch to x86 maintainers.
>
>
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