Re: [PATCH] RISC-V/bpf: Enable bpf_probe_read{, str}()

Christoph Hellwig
2022-07-09T06:25:20Z

On Fri, Jul 08, 2022 at 03:22:51PM -0700, Andrii Nakryiko wrote:
> On Wed, Jul 6, 2022 at 12:00 AM Christoph Hellwig <hch@infradead.org> wrote:
> >
> > On Tue, Jul 05, 2022 at 10:00:42PM -0700, Andrii Nakryiko wrote:
> > > riscv existed as of [0], so I'd argue it is a proper bug fix, as
> > > corresponding select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE should
> > > have been added back then.
> >
> > How much of an eBPF ecosystem was there on RISC-V at the point?
>
> No idea, never used RISC-V and didn't pay much attention. But why does
> it matter?

It matters because we should not spread broken legacy interfaces.