From: "Michael S. Tsirkin" <mst@redhat.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: David Miller <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"eric.dumazet@gmail.com" <eric.dumazet@gmail.com>
Subject: Re: [PATCH RFC 4/6] tun: orphan frags on xmit
Date: Tue, 8 May 2012 17:36:29 +0300 [thread overview]
Message-ID: <20120508143627.GA24335@redhat.com> (raw)
In-Reply-To: <248cee8310a8d41b58b988dfea94e75ee79c6647.1336397823.git.mst@redhat.com>
On Mon, May 07, 2012 at 04:54:46PM +0300, Michael S. Tsirkin wrote:
> tun xmit is actually receive of the internal tun
> socket. Orphan the frags same as we do for normal rx path.
>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
If tun is built as a module, skb_copy_ubufs needs to be exported:
---->
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 83b04d9..a809014 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -765,7 +765,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
return 0;
}
-
+EXPORT_SYMBOL_GPL(skb_copy_ubufs);
/**
* skb_clone - duplicate an sk_buff
next prev parent reply other threads:[~2012-05-08 14:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-07 13:53 [PATCH RFC 0/6] copy aside frags with destructors (was [PATCH 7/9] net: add skb_orphan_frags to copy aside frags with destructors) Michael S. Tsirkin
2012-05-07 13:54 ` [PATCH RFC 1/6] skbuff: support per-page destructors in copy_ubufs Michael S. Tsirkin
2012-05-10 17:46 ` Ian Campbell
2012-05-10 18:42 ` Michael S. Tsirkin
2012-05-11 9:00 ` Ian Campbell
2012-05-11 10:58 ` Ian Campbell
2012-05-11 12:08 ` Michael S. Tsirkin
2012-05-11 16:30 ` Michael S. Tsirkin
2012-05-12 6:01 ` Ian Campbell
2012-05-13 10:10 ` Michael S. Tsirkin
2012-05-11 21:12 ` David Miller
2012-05-07 13:54 ` [PATCH RFC 2/6] skbuff: add an api to orphan frags Michael S. Tsirkin
2012-05-08 12:47 ` Michael S. Tsirkin
2012-05-07 13:54 ` [PATCH RFC 3/6] skbuff: convert to skb_orphan_frags Michael S. Tsirkin
2012-05-07 13:54 ` [PATCH RFC 4/6] tun: orphan frags on xmit Michael S. Tsirkin
2012-05-08 14:36 ` Michael S. Tsirkin [this message]
2012-05-07 13:54 ` [PATCH RFC 5/6] net: orphan frags on receive Michael S. Tsirkin
2012-05-09 13:54 ` Ian Campbell
2012-05-09 15:12 ` Michael S. Tsirkin
2012-05-14 19:18 ` Michael S. Tsirkin
2012-05-07 13:54 ` [PATCH RFC 6/6] skbuff: set zerocopy flag on frag destructor Michael S. Tsirkin
2012-05-08 12:46 ` Michael S. Tsirkin
2012-05-08 9:41 ` [PATCH RFC 0/6] copy aside frags with destructors (was [PATCH 7/9] net: add skb_orphan_frags to copy aside frags with destructors) Michael S. Tsirkin
2012-05-08 10:54 ` Ian Campbell
2012-05-08 14:49 ` Michael S. Tsirkin
2012-05-09 13:18 ` Ian Campbell
2012-05-09 13:52 ` Michael S. Tsirkin
2012-05-09 14:01 ` Ian Campbell
2012-05-09 15:27 ` Michael S. Tsirkin
2012-05-09 14:56 ` Michael S. Tsirkin
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