Re: [PATCH 7/7] Kbuild: lto: pass -m32/-m64 to to LDFINAL

Arnd Bergmann
2018-02-02T20:55:18Z

On Fri, Feb 2, 2018 at 9:38 PM, Nicolas Pitre <nicolas.pitre@linaro.org> wrote:
> On Fri, 2 Feb 2018, Arnd Bergmann wrote:
>
>> Do you have a git tree with other changes for LTO on ARM? I'd
>> like to try that as well.
>
> I currently have only 2 other patches.
>
> You need commit 75fea300d73a that just hit mainline (you may cherry-pick
> it easily if necessary).

Ok, I apparently have that already by basing on today's linux-next.

> Then the following:
>
> ----- >8
> Subject: [PATCH] HACK: enable LTO on ARM
>
> Without the ${KBUILD_VMLINUX_LIBS} move the build fails with missing
> memcpy all over the place. Didn't figure it out yet.

Added that now as well, thanks! I'll see what comes out of it. Have you
tried arm64 already? I suppose I could do the same change there and
see what happens.

Arnd