Re: [PATCH] packet: Don't include <linux/rculist.h>

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On Sat, Dec 3, 2022 at 5:49 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> There is no need to include <linux/rculist.h> here.
>
> Prefer the less invasive <linux/types.h> which is needed for 'hlist_head'.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Let see if build-bots agree with me!
>

net/packet/af_packet.c does not explicitly include linux/rculist.h

It might be provided by include/linux/netdevice.h, but I wonder if
this is best practice.

> Just declaring 'struct mutex' and 'struct hlist_head' would also be an
> option.

I do not get it, see [1]

> It would remove the need of any include, but is more likely to break
> something.

I do not see why you are even trying this ?

> ---
>  include/net/netns/packet.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/net/netns/packet.h b/include/net/netns/packet.h
> index aae69bb43cde..74750865df36 100644
> --- a/include/net/netns/packet.h
> +++ b/include/net/netns/packet.h
> @@ -5,8 +5,8 @@
>  #ifndef __NETNS_PACKET_H__
>  #define __NETNS_PACKET_H__
>
> -#include <linux/rculist.h>
>  #include <linux/mutex.h>
> +#include <linux/types.h>
>
>  struct netns_packet {
>         struct mutex            sklist_lock;

[1] Definition of 'struct mutex' is definitely needed here.

> --
> 2.34.1
>



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