linux-kernel - [RFC,net-next v2 7/8] net: udplite: Support MSG

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Date:   Sun, 12 Jun 2022 01:57:56 -0700
From:   Joe Damato <jdamato@...tly.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Joe Damato <jdamato@...tly.com>
Subject: [RFC,net-next v2 7/8] net: udplite: Support MSG_NTCOPY

Support non-temporal copies of udp-lite data when applications set the
MSG_NTCOPY.

Signed-off-by: Joe Damato <jdamato@...tly.com>
---
 include/net/udplite.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/udplite.h b/include/net/udplite.h
index a3c5311..000677c5 100644
--- a/include/net/udplite.h
+++ b/include/net/udplite.h
@@ -21,6 +21,7 @@ static __inline__ int udplite_getfrag(void *from, char *to, int  offset,
 				      int len, int odd, struct sk_buff *skb)
 {
 	struct msghdr *msg = from;
+	msg_set_iter_copy_type(msg);
 	return copy_from_iter_full(to, len, &msg->msg_iter) ? 0 : -EFAULT;
 }
 
-- 
2.7.4