Re: [PATCH] powerpc/prom_init: Undo relocation before entering secure mode

From: Michael Ellerman
Date: Wed Oct 30 2019 - 08:16:09 EST


On Wed, 2019-09-11 at 16:34:33 UTC, Thiago Jung Bauermann wrote:
> The ultravisor will do an integrity check of the kernel image but we
> relocated it so the check will fail. Restore the original image by
> relocating it back to the kernel virtual base address.
>
> This works because during build vmlinux is linked with an expected virtual
> runtime address of KERNELBASE.
>
> Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init")
> Signed-off-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/05d9a952832cb206a32e3705eff6edebdb2207e7

cheers