Re: [PATCH v2 09/18] arm64: explicitly pass --no-fix-cortex-a53-843419 to GNU gold

Mark Rutland
2017-11-20T14:47:26Z

On Thu, Nov 16, 2017 at 08:35:49AM -0800, Sami Tolvanen wrote:
> On Thu, Nov 16, 2017 at 11:47:23AM +0000, Will Deacon wrote:
> > But if ARM64_ERRATUM_843419 is enabled, we'll go ahead and generate
> > broken code?
>
> This bug has been fixed in all current versions of GNU gold, but of
> course, if someone is using a broken linker, it will generate broken
> code. We can't do anything about that in the kernel.

However, we could instead check ld-version, produce a warning, and abort
the build in such cases.

Which would be better than silently producing a kernel that won't work
correctly.

Thanks,
Mark.