Re: Problems with arm64 compat vdso

From: Ard Biesheuvel
Date: Wed Sep 25 2019 - 11:59:01 EST


On Mon, 23 Sep 2019 at 18:41, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote:
>
> On Fri, 20 Sep 2019 at 18:33, Vincenzo Frascino
> <vincenzo.frascino@xxxxxxx> wrote:
> >
> > Hi Will,
> >
> > thank you for reporting this.
> >
> > On 20/09/2019 15:27, Will Deacon wrote:
> > > Hi Vincenzo,
> > >
> > > I've been running into a few issues with the COMPAT vDSO. Please could
> > > you have a look?
> > >
> >
> > I will be at Linux Recipes next week. I will look at this with priority when I
> > come back.
> >
>
> Hi all,
>
> I noticed another issue: I build out of tree, and the VDSO gets
> rebuilt every time I build the kernel, even if I haven't made any
> changes to the source tree at all.
>
> Could you please look into that as well? (once you get around to it)
>

I haven't managed to reproduce this on a fresh checkout, so it looks
like this is a transient thing.