On Wed, 19 Jan 2022 at 18:10, Mihai Carabas <mihai.carabas@xxxxxxxxxx> wrote:
>
> The kernel is aligned at SEGMENT_SIZE and this is the size populated in the PE
> headers:
>
> arch/arm64/kernel/efi-header.S: .long SEGMENT_ALIGN // SectionAlignment
>
> EFI_KIMG_ALIGN is defined as: (SEGMENT_ALIGN > THREAD_ALIGN ? SEGMENT_ALIGN :
> THREAD_ALIGN)
>
> So it depends on THREAD_ALIGN. On newer builds this message started to appear
> even though the loader is taking into account the PE header (which is stating
> SEGMENT_ALIGN).
>
> Fixes: c32ac11da3f8 ("efi/libstub: arm64: Double check image alignment at entry")
> Signed-off-by: Mihai Carabas <mihai.carabas@xxxxxxxxxx>
Thanks. I'll queue this up as a fix.
> ---
> drivers/firmware/efi/libstub/arm64-stub.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
> index 2363fee9211c..9cc556013d08 100644
> --- a/drivers/firmware/efi/libstub/arm64-stub.c
> +++ b/drivers/firmware/efi/libstub/arm64-stub.c
> @@ -119,9 +119,9 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
> if (image->image_base != _text)
> efi_err("FIRMWARE BUG: efi_loaded_image_t::image_base has bogus value\n");
>
> - if (!IS_ALIGNED((u64)_text, EFI_KIMG_ALIGN))
> - efi_err("FIRMWARE BUG: kernel image not aligned on %ldk boundary\n",
> - EFI_KIMG_ALIGN >> 10);
> + if (!IS_ALIGNED((u64)_text, SEGMENT_ALIGN))
> + efi_err("FIRMWARE BUG: kernel image not aligned on %dk boundary\n",
> + SEGMENT_ALIGN >> 10);
>
> kernel_size = _edata - _text;
> kernel_memsize = kernel_size + (_end - _edata);
> --
> 1.8.3.1
>
