From: Russell King <rmk@arm.linux.org.uk>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Zerocopy implementation issues
Date: Sun, 29 Apr 2001 12:18:41 +0100 [thread overview]
Message-ID: <20010429121841.F30243@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20010429005206.J21792@flint.arm.linux.org.uk> <15083.40318.158099.137018@pizda.ninka.net> <20010429072342.B30041@flint.arm.linux.org.uk> <15083.52835.992666.897323@pizda.ninka.net> <20010429101739.D30243@flint.arm.linux.org.uk> <20010429113122.E30243@flint.arm.linux.org.uk> <15083.62888.860815.889046@pizda.ninka.net>
In-Reply-To: <15083.62888.860815.889046@pizda.ninka.net>; from davem@redhat.com on Sun, Apr 29, 2001 at 04:06:16AM -0700
On Sun, Apr 29, 2001 at 04:06:16AM -0700, David S. Miller wrote:
> I understand that you are frustruated about this and it
> requires you to touch some delicate assembly. But I'm
> going to be blunt and say "tough", because everyone has
> to implement this correctly. Just do it and get it
> over with.
I'm doing it _NOW_, but I'm having to rotate the checksum
at the end if dst & 1, only to have it unrotated in an
inefficient manner in csum_block_*. Seems a bit of a
waste of CPU cycles.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2001-04-29 11:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-28 23:52 Zerocopy implementation issues Russell King
2001-04-29 4:50 ` David S. Miller
[not found] ` <20010429072342.B30041@flint.arm.linux.org.uk>
[not found] ` <15083.52835.992666.897323@pizda.ninka.net>
2001-04-29 8:39 ` Russell King
2001-04-29 9:17 ` Russell King
2001-04-29 10:31 ` Russell King
2001-04-29 11:06 ` David S. Miller
2001-04-29 11:18 ` Russell King [this message]
2001-04-29 11:32 ` David S. Miller
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