Re: [PATCH v3 2/7] arm64: HWCAP: add support for AT_HWCAP2

[Dave Martin <Dave dot Martin at arm dot com>]

On Wed, Apr 03, 2019 at 10:29:52AM +0100, Andrew Murray wrote:
> On Wed, Apr 03, 2019 at 10:11:20AM +0100, Dave Martin wrote:
> > On Wed, Apr 03, 2019 at 09:32:55AM +0100, Andrew Murray wrote:
> > > On Tue, Apr 02, 2019 at 03:58:31PM +0100, Dave Martin wrote:

[...]

> > > > I wonder whether we can have a generic definition for this:
> > > > 
> > > > #define cpu_set_named_feature(x) (elf_hwcap |= HWCAP_ ## x)
> > > 
> > > You mean specific to arm32?
> > > 
> > > I will do this, along with a cpu_get_named_feature - but I think
> > > I'd prefer to do this in a separate series.
> > 
> > Yes, we could do that.  We could also do it more widely, but it's
> > probably not worth the overhead of doing it.
> 
> I had considered this as well but also determined that it wouldn't give
> much gain.

Yep, agreed.  It can always be done later if it turns out to be useful
for someone.

Cheers
---Dave