netdev - Re: [External] Re: [PATCH net-next v2 0/3] net: A lightweight zero-copy notification

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Message-ID: <795d794c-35b8-4ae7-9a97-296523c5bf3a@bytedance.com>
Date: Tue, 23 Apr 2024 12:29:48 -0700
From: Zijian Zhang <zijianzhang@...edance.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, edumazet@...gle.com,
 willemdebruijn.kernel@...il.com, davem@...emloft.net,
 cong.wang@...edance.com, xiaochun.lu@...edance.com
Subject: Re: [External] Re: [PATCH net-next v2 0/3] net: A lightweight
 zero-copy notification

Thanks, will update in the next version.

On 4/19/24 8:47 PM, Jakub Kicinski wrote:
> On Fri, 19 Apr 2024 21:48:16 +0000 zijianzhang@...edance.com wrote:
>> Original title is "net: socket sendmsg MSG_ZEROCOPY_UARG"
>> https://lore.kernel.org/all/
>> 20240409205300.1346681-2-zijianzhang@...edance.com/
> 
> AFAICT sparse reports this new warning:
> 
> net/core/sock.c:2864:26: warning: incorrect type in assignment (different address spaces)
> net/core/sock.c:2864:26:    expected void [noderef] __user *usr_addr
> net/core/sock.c:2864:26:    got void *