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* [PATCH] net: skbuff.h: remove unnecessary unlikely()
@ 2018-11-04 13:14 Yangtao Li
  2018-11-05  0:51 ` David Miller
  2018-11-05 13:21 ` Frank Lee
  0 siblings, 2 replies; 7+ messages in thread
From: Yangtao Li @ 2018-11-04 13:14 UTC (permalink / raw)
  To: davem, edumazet, willemb, dja, ast, sbrivio, pabeni
  Cc: linux-kernel, Yangtao Li

WARN_ON() already contains an unlikely(), so it's not necessary to use
unlikely.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 include/linux/skbuff.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0ba687454267..7dcfb5591dc3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2508,10 +2508,8 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len);
 
 static inline void __skb_set_length(struct sk_buff *skb, unsigned int len)
 {
-	if (unlikely(skb_is_nonlinear(skb))) {
-		WARN_ON(1);
+	if (WARN_ON(skb_is_nonlinear(skb)))
 		return;
-	}
 	skb->len = len;
 	skb_set_tail_pointer(skb, len);
 }
-- 
2.17.0


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH] net: skbuff.h: remove unnecessary unlikely()
  2018-11-04 13:14 [PATCH] net: skbuff.h: remove unnecessary unlikely() Yangtao Li
@ 2018-11-05  0:51 ` David Miller
  2018-11-05 13:21 ` Frank Lee
  1 sibling, 0 replies; 7+ messages in thread
From: David Miller @ 2018-11-05  0:51 UTC (permalink / raw)
  To: tiny.windzz; +Cc: edumazet, willemb, dja, ast, sbrivio, pabeni, linux-kernel


Networking patches must be submitted to netdev@vger.kernel.org

Thank you.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] net: skbuff.h: remove unnecessary unlikely()
  2018-11-04 13:14 [PATCH] net: skbuff.h: remove unnecessary unlikely() Yangtao Li
  2018-11-05  0:51 ` David Miller
@ 2018-11-05 13:21 ` Frank Lee
  2018-11-05 16:02   ` Frank Lee
  2018-11-05 18:09   ` David Miller
  1 sibling, 2 replies; 7+ messages in thread
From: Frank Lee @ 2018-11-05 13:21 UTC (permalink / raw)
  To: davem, Eric Dumazet, Willem de Bruijn, dja, ast, sbrivio, pabeni
  Cc: linux-kernel, netdev

add netdev@vger.kernel.org
-- Yangtao
On Sun, Nov 4, 2018 at 9:14 PM Yangtao Li <tiny.windzz@gmail.com> wrote:
>
> WARN_ON() already contains an unlikely(), so it's not necessary to use
> unlikely.
>
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> ---
>  include/linux/skbuff.h | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> index 0ba687454267..7dcfb5591dc3 100644
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -2508,10 +2508,8 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len);
>
>  static inline void __skb_set_length(struct sk_buff *skb, unsigned int len)
>  {
> -       if (unlikely(skb_is_nonlinear(skb))) {
> -               WARN_ON(1);
> +       if (WARN_ON(skb_is_nonlinear(skb)))
>                 return;
> -       }
>         skb->len = len;
>         skb_set_tail_pointer(skb, len);
>  }
> --
> 2.17.0
>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] net: skbuff.h: remove unnecessary unlikely()
  2018-11-05 13:21 ` Frank Lee
@ 2018-11-05 16:02   ` Frank Lee
  2018-11-05 18:09   ` David Miller
  1 sibling, 0 replies; 7+ messages in thread
From: Frank Lee @ 2018-11-05 16:02 UTC (permalink / raw)
  To: davem, Eric Dumazet, Willem de Bruijn, dja, ast, sbrivio, pabeni
  Cc: linux-kernel, netdev, Yangtao Li

add myself.
-Yangtao
On Mon, Nov 5, 2018 at 9:21 PM Frank Lee <tiny.windzz@gmail.com> wrote:
>
> add netdev@vger.kernel.org
> -- Yangtao
> On Sun, Nov 4, 2018 at 9:14 PM Yangtao Li <tiny.windzz@gmail.com> wrote:
> >
> > WARN_ON() already contains an unlikely(), so it's not necessary to use
> > unlikely.
> >
> > Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> > ---
> >  include/linux/skbuff.h | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> > index 0ba687454267..7dcfb5591dc3 100644
> > --- a/include/linux/skbuff.h
> > +++ b/include/linux/skbuff.h
> > @@ -2508,10 +2508,8 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len);
> >
> >  static inline void __skb_set_length(struct sk_buff *skb, unsigned int len)
> >  {
> > -       if (unlikely(skb_is_nonlinear(skb))) {
> > -               WARN_ON(1);
> > +       if (WARN_ON(skb_is_nonlinear(skb)))
> >                 return;
> > -       }
> >         skb->len = len;
> >         skb_set_tail_pointer(skb, len);
> >  }
> > --
> > 2.17.0
> >

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] net: skbuff.h: remove unnecessary unlikely()
  2018-11-05 13:21 ` Frank Lee
  2018-11-05 16:02   ` Frank Lee
@ 2018-11-05 18:09   ` David Miller
  1 sibling, 0 replies; 7+ messages in thread
From: David Miller @ 2018-11-05 18:09 UTC (permalink / raw)
  To: tiny.windzz
  Cc: edumazet, willemb, dja, ast, sbrivio, pabeni, linux-kernel, netdev

From: Frank Lee <tiny.windzz@gmail.com>
Date: Mon, 5 Nov 2018 21:21:50 +0800

> add netdev@vger.kernel.org
> -- Yangtao

Sorry, you can't do it like that.

You have to make a formal, fresh, posting to netdev with your patch.

Thank you.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] net: skbuff.h: remove unnecessary unlikely()
  2018-11-06 15:45 Yangtao Li
@ 2018-11-06 19:22 ` David Miller
  0 siblings, 0 replies; 7+ messages in thread
From: David Miller @ 2018-11-06 19:22 UTC (permalink / raw)
  To: tiny.windzz
  Cc: edumazet, dja, willemb, ast, sbrivio, posk, pabeni, borisp,
	linux-kernel, netdev

From: Yangtao Li <tiny.windzz@gmail.com>
Date: Tue,  6 Nov 2018 10:45:36 -0500

> WARN_ON() already contains an unlikely(), so it's not necessary to use
> unlikely.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>

Applied.

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH] net: skbuff.h: remove unnecessary unlikely()
@ 2018-11-06 15:45 Yangtao Li
  2018-11-06 19:22 ` David Miller
  0 siblings, 1 reply; 7+ messages in thread
From: Yangtao Li @ 2018-11-06 15:45 UTC (permalink / raw)
  To: davem, edumazet, dja, willemb, ast, sbrivio, posk, pabeni, borisp
  Cc: linux-kernel, netdev, Yangtao Li

WARN_ON() already contains an unlikely(), so it's not necessary to use
unlikely.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 include/linux/skbuff.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0ba687454267..7dcfb5591dc3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2508,10 +2508,8 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len);
 
 static inline void __skb_set_length(struct sk_buff *skb, unsigned int len)
 {
-	if (unlikely(skb_is_nonlinear(skb))) {
-		WARN_ON(1);
+	if (WARN_ON(skb_is_nonlinear(skb)))
 		return;
-	}
 	skb->len = len;
 	skb_set_tail_pointer(skb, len);
 }
-- 
2.17.0


^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2018-11-06 19:22 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-04 13:14 [PATCH] net: skbuff.h: remove unnecessary unlikely() Yangtao Li
2018-11-05  0:51 ` David Miller
2018-11-05 13:21 ` Frank Lee
2018-11-05 16:02   ` Frank Lee
2018-11-05 18:09   ` David Miller
2018-11-06 15:45 Yangtao Li
2018-11-06 19:22 ` David Miller

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