linux-kernel - Re: 'make O=' indigestion with module signing

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Date:   Thu, 11 Mar 2021 13:31:15 +0000
From:   David Howells <dhowells@...hat.com>
To:     valdis.kletnieks@...edu
Cc:     dhowells@...hat.com, David Woodhouse <dwmw2@...radead.org>,
        keyrings@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: 'make O=' indigestion with module signing

David Howells <dhowells@...hat.com> wrote:

> I'll have to try with the aarch64 build, see if it's something in that that's
> the problem.

That works too... kind of.  Building in the certs/ dir is fine - and all the
cert generation and extraction is done in the expected place, but the link
fails with errors like:

aarch64-linux-gnu-ld: arch/arm64/kernel/paravirt.o: relocation R_AARCH64_ABS32 against `__crc_pv_ops' can not be used when making a shared object
arch/arm64/kernel/paravirt.o:(__patchable_function_entries+0x0): dangerous relocation: unsupported relocation
arch/arm64/kernel/paravirt.o:(__patchable_function_entries+0x8): dangerous relocation: unsupported relocation
arch/arm64/kernel/paravirt.o:(__patchable_function_entries+0x10): dangerous relocation: unsupported relocation
arch/arm64/kernel/paravirt.o:(__patchable_function_entries+0x18): dangerous relocation: unsupported relocation
...

David