On Fri, 16 Apr 2021 20:28:40 +0200 Eric Dumazet wrote:
> On Fri, Apr 16, 2021 at 7:57 PM Jakub Kicinski wrote:
> >
> > On Thu, 15 Apr 2021 10:37:53 -0700 Eric Dumazet wrote:
> > > From: Eric Dumazet
> > >
> > > Calling two copy_to_user() for very small regions has very high overhead.
> > >
> >
On Thu, 15 Apr 2021 10:37:53 -0700 Eric Dumazet wrote:
> From: Eric Dumazet
>
> Calling two copy_to_user() for very small regions has very high overhead.
>
> Switch to inlined unsafe_put_user() to save one stac/clac sequence,
> and avoid copy_to_user().
>
> Signed-off-by: Eric Dumazet
> Cc: So
From: Eric Dumazet
Calling two copy_to_user() for very small regions has very high overhead.
Switch to inlined unsafe_put_user() to save one stac/clac sequence,
and avoid copy_to_user().
Signed-off-by: Eric Dumazet
Cc: Soheil Hassas Yeganeh
---
net/core/scm.c | 21 ++---
1 fi
