Re: [PATCH] libbpf: Fix build on read-only filesystems

[Arnaldo Carvalho de Melo]

Em Fri, Dec 20, 2019 at 02:00:48PM -0800, Andrii Nakryiko escreveu:
> On Fri, Dec 20, 2019 at 1:53 PM Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote:
> > Em Fri, Dec 20, 2019 at 01:45:52PM -0800, Andrii Nakryiko escreveu:
> > > On Fri, Dec 20, 2019 at 12:47 PM Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote:
> > > > Shouldn't this be applied to the current merge window since a behaviour
> > > > that people relied, i.e. using O= to generate the build in a separate
> > > > directory, since its not possible to use the source dir tree as it is
> > > > read-only is now broken, i.e. isn't this a regression?

> > > Sure, it can be applied against bpf as well, but selftests still need
> > > to be fixed first.

> > I guess this can be done on a separate patch? I.e. if the user doesn't
> > use selftests the only regression it will see is when trying to build
> > tools/perf using O=.

> > I think two patches is best, better granularity, do you see a strict
> > need for both to be in the same patch?
 
> Sure, it can be two separate patches, but they should go in together,
> otherwise selftests will be broken.

Sure, both have to be fixed :-)

- Arnaldo