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SubjectRe: [PATCH 2/2] vsprintf: Add support for userspace strings
On Sun, 10 May 2015 13:16:22 -0700 Joe Perches <joe@perches.com> wrote:

> On Sun, 2015-05-10 at 22:11 +0200, Richard Weinberger wrote:
> > Am 10.05.2015 um 22:09 schrieb Joe Perches:
> > > On Sun, 2015-05-10 at 21:42 +0200, Richard Weinberger wrote:
> > >> Add %pL format string to print userspace strings.
> > >> It works like %s but does copy_from_user() instead
> > >> of a memcpy().
> > >
> > > I think this would be much simpler in a new
> > > function rather than complicating string()
> >
> > -ENOPATCH.
>
> It's your patch, I'm just commenting on it.
>
> I'm not sure there's much value in it.

I can't say I'm terribly excited either. Are there any existing
callsites which might use this? The %p namespace is already pretty
crowded and if %pL is just for non-production developer debug use then
it can reasonably live outside the main kernel tree...




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