[PATCH] efi: arm: stop printing addresses of virtual mappings
Leif Lindholm
leif.lindholm at linaro.org
Fri Jan 19 06:38:37 PST 2018
On Fri, Jan 19, 2018 at 12:26:19PM +0000, Ard Biesheuvel wrote:
> With the recent %p -> %px changes, we now get something like this in
> the kernel boot log on ARM/arm64 EFI systems:
>
> Remapping and enabling EFI services.
> EFI remap 0x00000087fb830000 => (ptrval)
> EFI remap 0x00000087fbdb0000 => (ptrval)
> EFI remap 0x00000087fffc0000 => (ptrval)
>
> The physical addresses of the UEFI runtime regions will also be
> printed when booting with the efi=debug command line option, and the
> virtual addresses can be inspected via /sys/kernel/debug/efi_page_tables
> (if enabled). So let's just remove the lines above.
As long as the efi=debug functionality is kept, I have no issue with this.
Acked-by: Leif Lindholm <leif.lindholm at linaro.org>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
> ---
> drivers/firmware/efi/arm-runtime.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
> index 1cc41c3d6315..5d4c8b661548 100644
> --- a/drivers/firmware/efi/arm-runtime.c
> +++ b/drivers/firmware/efi/arm-runtime.c
> @@ -80,10 +80,7 @@ static bool __init efi_virtmap_init(void)
> return false;
>
> ret = efi_create_mapping(&efi_mm, md);
> - if (!ret) {
> - pr_info(" EFI remap %pa => %p\n",
> - &phys, (void *)(unsigned long)md->virt_addr);
> - } else {
> + if (ret) {
> pr_warn(" EFI remap %pa: failed to create mapping (%d)\n",
> &phys, ret);
> return false;
> --
> 2.11.0
>
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