Re: linux-next: manual merge of the powerpc tree with the arm64 tree

From: Michael Ellerman
Date: Sun Sep 01 2019 - 21:44:56 EST


Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> writes:
> Hi all,
>
> Today's linux-next merge of the powerpc tree got a conflict in:
>
> arch/Kconfig
>
> between commit:
>
> 5cf896fb6be3 ("arm64: Add support for relocating the kernel with RELR relocations")
>
> from the arm64 tree and commit:
>
> 0c9c1d563975 ("x86, s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig")
>
> from the powerpc tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.

Thanks.

That conflict seems entirely trivial, but Catalin/Will if it bothers you
I have the conflicting commit in a topic branch based on rc2 which you
could merge to resolve it:

https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=topic/mem-encrypt&id=0c9c1d56397518eb823d458b00b06bcccd956794


cheers

> --
> Cheers,
> Stephen Rothwell
>
> diff --cc arch/Kconfig
> index 6f4d3e9bf486,89e2e3f64f79..000000000000
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@@ -932,20 -925,9 +932,23 @@@ config LOCK_EVENT_COUNT
> the chance of application behavior change because of timing
> differences. The counts are reported via debugfs.
>
> +# Select if the architecture has support for applying RELR relocations.
> +config ARCH_HAS_RELR
> + bool
> +
> +config RELR
> + bool "Use RELR relocation packing"
> + depends on ARCH_HAS_RELR && TOOLS_SUPPORT_RELR
> + default y
> + help
> + Store the kernel's dynamic relocations in the RELR relocation packing
> + format. Requires a compatible linker (LLD supports this feature), as
> + well as compatible NM and OBJCOPY utilities (llvm-nm and llvm-objcopy
> + are compatible).
> +
> + config ARCH_HAS_MEM_ENCRYPT
> + bool
> +
> source "kernel/gcov/Kconfig"
>
> source "scripts/gcc-plugins/Kconfig"