From: Gerd Hoffmann <kraxel@redhat.com>
To: Andy King <acking@vmware.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
gregkh@linuxfoundation.org, davem@davemloft.net,
pv-drivers@vmware.com
Subject: Re: [PATCH 1/1] VSOCK: Introduce VM Sockets
Date: Tue, 19 Feb 2013 09:45:38 +0100 [thread overview]
Message-ID: <51233BB2.3080401@redhat.com> (raw)
In-Reply-To: <1398469748.2079082.1361207251021.JavaMail.root@vmware.com>
On 02/18/13 18:07, Andy King wrote:
> Hi Gerd,
>
>>> + written = transport->stream_enqueue(
>>> + vsk, msg->msg_iov,
>>> + len - total_written);
>>
>> Hmm, shouldn't we pass total_written to stream_enqueue here?
>>
>> In case a blocking send(big-buffer) call gets splitted into multiple
>> stream_enqueue calls the second (and further) stream_enqueue calls need
>> to know at which msg offset they should continue sending the data, no?
>
> On the client side, the iov tracks it internally; see memcpy_fromiovec().
Ah, memcpy_fromiovec patches the iovec to keep track of the offset.
Wasn't aware it does this. Yes, we don't need to pass the offset then.
cheers,
Gerd
next prev parent reply other threads:[~2013-02-19 8:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-07 0:23 [PATCH 0/1] VM Sockets for Linux upstreaming Andy King
2013-02-07 0:23 ` [PATCH 1/1] VSOCK: Introduce VM Sockets Andy King
2013-02-11 14:22 ` Gerd Hoffmann
2013-02-12 15:21 ` Andy King
2013-02-13 3:21 ` [Pv-drivers] " Andy King
2013-02-13 11:06 ` Gerd Hoffmann
2013-02-14 3:20 ` Andy King
2013-02-14 9:28 ` Gerd Hoffmann
2013-02-12 10:58 ` Gerd Hoffmann
2013-02-13 3:23 ` Andy King
2013-02-13 12:44 ` Gerd Hoffmann
2013-02-14 3:07 ` Andy King
2013-02-18 16:56 ` Andy King
2013-02-14 11:05 ` Gerd Hoffmann
2013-02-18 17:07 ` Andy King
2013-02-19 8:45 ` Gerd Hoffmann [this message]
2013-02-14 20:18 ` Sasha Levin
2013-02-18 17:09 ` Andy King
2013-02-15 10:32 ` Gerd Hoffmann
2013-02-09 1:20 ` [Pv-drivers] [PATCH 0/1] VM Sockets for Linux upstreaming Dmitry Torokhov
2013-02-09 2:59 ` David Miller
2013-02-11 1:10 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2013-02-04 23:26 Andy King
2013-02-04 23:26 ` [PATCH 1/1] VSOCK: Introduce VM Sockets Andy King
2013-01-25 17:37 [PATCH 0/1] VM Sockets for Linux upstreaming acking
2013-01-25 17:37 ` [PATCH 1/1] VSOCK: Introduce VM Sockets acking
2013-01-25 23:59 ` Neil Horman
2013-01-28 12:25 ` Gerd Hoffmann
2013-01-31 22:06 ` Andy King
2013-02-01 8:12 ` Gerd Hoffmann
2013-02-04 23:41 ` Andy King
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