Re: linux-next: manual merge of the tip tree with the mm tree

From: Thomas Weißschuh
Date: Fri Mar 07 2025 - 02:20:42 EST


Hi Stephen,

On Fri, Mar 07, 2025 at 03:14:26PM +1100, Stephen Rothwell wrote:
> Today's linux-next merge of the tip tree got a conflict in:
>
> arch/arm64/kernel/vdso.c
>
> between commit:
>
> 6742f72d084b ("mseal sysmap: enable arm64")
>
> from the mm tree and commit:
>
> 0b3bc3354eb9 ("arm64: vdso: Switch to generic storage implementation")
>
> from the tip tree.
>
> I didn't fix it up - couldn't figure it out, so just reverted the former
> for today as it was simpler.
>
> It looks like VM_SEALED_SYSMAP needs to be added to
> vdso_install_vvar_mapping(), but that is generic across all the
> architectures using GENERIC_VDSO_DATA_STORE.

This resolution should be correct.
VM_SEALED_SYSMAP only does something if CONFIG_MSEAL_SYSTEM_MAPPINGS is set.

<snip>

Thomas