linux-kernel - Re: [PATCH] blackfin checksum annotations

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Message-ID: <386072610804270637n68478a63mab9935fb935aaab5@mail.gmail.com>
Date:	Sun, 27 Apr 2008 21:37:15 +0800
From:	"Bryan Wu" <cooloney@...nel.org>
To:	"Al Viro" <viro@...iv.linux.org.uk>
Cc:	"Heiko Carstens" <heiko.carstens@...ibm.com>,
	"David Miller" <davem@...emloft.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blackfin checksum annotations

On Sun, Apr 27, 2008 at 8:42 PM, Al Viro <viro@...iv.linux.org.uk> wrote:
> On Sun, Apr 27, 2008 at 01:16:23PM +0200, Heiko Carstens wrote:
>
>  > I don't think such arch specific patches should go in via net-2.6.
>  > You did that for a very similar patch for s390 and it was subtly broken:
>  >
>  > See:
>  > f994aae1bd8e4813d59a2ed64d17585fe42d03fc
>  > ("[NET]: S390 checksum annotations and cleanups.")
>  >
>  > and
>  >
>  > afbc1e994ddcf3b6fe2dc928ee8dc31a5d0c3118
>  > ("[S390] Fix TCP/UDP pseudo header checksum computation.")
>
>  I remember, and AFAICT this one is safe - here everything stays within
>  C and type changes ought to be equivalent transformations.  Said that,
>  I do _NOT_ have hardware in question and it's completely untested at
>  runtime.
>

Sorry for the delay. I will test this patch on Blackfin arch. And if it is ok,
it will be merged to Blackfin git tree. As long as it is a Blackfin
arch related issue,
merging to Blackfin tree is a better way.

>  Al, who really couldn't care less which tree that goes through - up to
>  davem and blackfin maintainers; both are on Cc, so...
>

Thanks
-Bryan
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