Re: [PATCH] x86_64: inline csum_ipv6_magic()

[David Laight]

On Thu, 13 Nov 2025 10:18:08 -0800
Eric Dumazet <edumazet@xxxxxxxxxx> wrote:

> On Thu, Nov 13, 2025 at 8:26 AM Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
> >
> > On 11/13/25 07:45, Eric Dumazet wrote:  
> > > Inline this small helper.
> > >
> > > This reduces register pressure, as saddr and daddr are often
> > > back to back in memory.
> > >
> > > For instance code inlined in tcp6_gro_receive() will look like:  
> >
> > Could you please double check what the code growth is for this across
> > the tree? There are 80-ish users of csum_ipv6_magic().  
> 
> Hi Dave
> 
> Sure (allyesconfig build)

Does't allyesconfig pull in all the KASAN stuff as well.
Which makes it fairly useless for normal build tests.

	David