Re: [PATCH] Revert "arm64: Use aarch64elf and aarch64elfb emulation mode variants"

[Olof Johansson]

On Tue, Jul 10, 2018 at 10:36:16AM +0100, Will Deacon wrote:
> On Tue, Jul 10, 2018 at 11:30:39AM +0200, Paul Kocialkowski wrote:
> > On Tue, 2018-07-10 at 10:01 +0100, Will Deacon wrote:
> > > Thanks, Laura.
> > > 
> > > I'll take this as a fix, and add a comment to the Makefile to justify
> > > why we need the linux target.
> > 
> > So this comes down to either breaking fedora/debian toolchains (that
> > don't support elf emulation mode) or breaking bare-metal toolchains
> > (that don't support linux emulation mode).
> > 
> > Since Linux is a bare-metal project that does not technically require
> > the linux target (who said using "Linux" for all things is confusing?),
> > I think it should aim for the elf target in the long term.
> > 
> > But well, breaking Linux build in common distros isn't good either, so I
> > guess it makes sense to revert this while distros toolchains are being
> > fixed. Hopefully, it won't take too long.
> > 
> > What do you think?
> 
> Yes, we need to revert the change since it's a regression otherwise. I think
> the best course of action here would be to find a way that we can either
> tell the linker that it doesn't need the missing linker scripts because
> we're providing our own, or find a way to pass different LD flags depending
> on whether or not we have a linux toolchain.
> 
> For now, I've pushed the revert to for-next/fixes.

Hi Will,

This is regressed in mainline as well. But I think we can just use a (slightly
improved) ld-option here? I checked it for x86 regression since it uses the
one-argument version. Patch is here, can you pick that up instead and get it in
for 4.18-rc?

Thanks,


-Olof