From: Joe Perches <joe@perches.com>
To: Johannes Berg <johannes@sipsolutions.net>, netdev@vger.kernel.org
Subject: Re: [PATCH] skbuff: make skb_put_zero() return void
Date: Wed, 14 Jun 2017 14:18:16 -0700 [thread overview]
Message-ID: <1497475096.18751.76.camel@perches.com> (raw)
In-Reply-To: <1497472829.9377.13.camel@sipsolutions.net>
On Wed, 2017-06-14 at 22:40 +0200, Johannes Berg wrote:
> On Wed, 2017-06-14 at 13:36 -0700, Joe Perches wrote:
> >
> > Given you are adding a lot of these, it might be better
> > to add an exported function that duplicates most of
> > skb_put with a memset at the end.
>
> Yeah, could be done. I'm not sure why you'd want to duplicate it rather
> than call it though? To make it about as fast?
Yeah, that and reduced stack use.
Dunno how performance sensitive these uses really are
but it seems some might be for slow cpu wireless APs in
both the rx and tx paths.
next prev parent reply other threads:[~2017-06-14 21:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-14 20:17 [PATCH] skbuff: make skb_put_zero() return void Johannes Berg
2017-06-14 20:36 ` Joe Perches
2017-06-14 20:40 ` Johannes Berg
2017-06-14 21:18 ` Joe Perches [this message]
2017-06-15 22:17 ` Johannes Berg
2017-06-15 22:55 ` Joe Perches
2017-06-15 16:18 ` David Miller
2017-06-15 19:28 ` Johannes Berg
2017-06-15 21:26 ` David Miller
2017-06-15 21:28 ` Johannes Berg
2017-06-15 22:17 ` Joe Perches
2017-06-15 22:21 ` Johannes Berg
2017-06-15 22:30 ` Joe Perches
2017-06-15 22:23 ` Johannes Berg
2017-06-15 22:38 ` Joe Perches
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