netdev - Re: compile error in set_rps_cpu() without CONFIG_RFS

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Date: Wed, 29 May 2024 22:45:21 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: John Sperbeck <jsperbeck@...gle.com>
Cc: kerneljasonxing@...il.com, davem@...emloft.net, horms@...nel.org, 
	kernelxing@...cent.com, kuba@...nel.org, netdev@...r.kernel.org, 
	pabeni@...hat.com
Subject: Re: compile error in set_rps_cpu() without CONFIG_RFS_ACCEL?

On Wed, May 29, 2024 at 10:34 PM John Sperbeck <jsperbeck@...gle.com> wrote:
>
> If CONFIG_RFS_ACCEL is off, then I think there will be a compile error with this change, since 'head' is used, but no longer defined.

I assume you are speaking of this commit ?

commit 84b6823cd96b38c40b3b30beabbfa48d92990e1a
Author: Jason Xing <kernelxing@...cent.com>
Date:   Thu Apr 18 15:36:01 2024 +0800

    net: rps: protect last_qtail with rps_input_queue_tail_save() helper