Re: [PATCH v2 8/8] RISC-V: Assign hwcap only according to current cpu.

[Atish Patra]

On 1/15/19 5:56 AM, Christoph Hellwig wrote:
> On Tue, Jan 08, 2019 at 01:38:38AM -0800, Atish Patra wrote:
> > Currently, we set hwcap based on first valid cpu from
> > DT. This may not be correct always as that CPU might not
> > be current booting cpu.
> >
> > Set hwcap based on the current cpu instead of first
> > valid CPU from DT.
>
> This is generally the right thing to do.  But can the kernel even cope
> with different hwcaps per hart?

I don't think so.
  I know arm land and I think x86 as well
> don't, so we might want to add a sanity check that they match or reduce
> them to the common subset.

I will add a sanity check that they match and throw a warning if they 
don't.

Regards,
Atish