From: roy.franz@linaro.org (Roy Franz)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/3] arm64/efi: remove /chosen/linux, uefi-stub-kern-ver DT property
Date: Mon, 12 Oct 2015 18:18:46 -0700 [thread overview]
Message-ID: <CAFECyb-4k_HwpBn_PHtAFNcrPkTPLDnqrb0oUOzwMWsBfa0xNA@mail.gmail.com> (raw)
In-Reply-To: <1444129424-8284-2-git-send-email-ard.biesheuvel@linaro.org>
On Tue, Oct 6, 2015 at 4:03 AM, Ard Biesheuvel
<ard.biesheuvel@linaro.org> wrote:
> With the stub to kernel interface being promoted to a proper interface
> so that other agents than the stub can boot the kernel proper in EFI
> mode, we can remove the linux,uefi-stub-kern-ver field, considering
> that its original purpose was to prevent this from happening in the
> first place.
>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Roy Franz <roy.franz@linaro.org>
> ---
> Documentation/arm/uefi.txt | 2 --
> drivers/firmware/efi/libstub/fdt.c | 9 ---------
> 2 files changed, 11 deletions(-)
>
> diff --git a/Documentation/arm/uefi.txt b/Documentation/arm/uefi.txt
> index d60030a1b909..7f1bed8872f3 100644
> --- a/Documentation/arm/uefi.txt
> +++ b/Documentation/arm/uefi.txt
> @@ -58,7 +58,5 @@ linux,uefi-mmap-desc-size | 32-bit | Size in bytes of each entry in the UEFI
> --------------------------------------------------------------------------------
> linux,uefi-mmap-desc-ver | 32-bit | Version of the mmap descriptor format.
> --------------------------------------------------------------------------------
> -linux,uefi-stub-kern-ver | string | Copy of linux_banner from build.
> ---------------------------------------------------------------------------------
>
> For verbose debug messages, specify 'uefi_debug' on the kernel command line.
> diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
> index ef5d764e2a27..b62e2f5dcab3 100644
> --- a/drivers/firmware/efi/libstub/fdt.c
> +++ b/drivers/firmware/efi/libstub/fdt.c
> @@ -147,15 +147,6 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
> if (status)
> goto fdt_set_fail;
>
> - /*
> - * Add kernel version banner so stub/kernel match can be
> - * verified.
> - */
> - status = fdt_setprop_string(fdt, node, "linux,uefi-stub-kern-ver",
> - linux_banner);
> - if (status)
> - goto fdt_set_fail;
> -
> return EFI_SUCCESS;
>
> fdt_set_fail:
> --
> 1.9.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-efi" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2015-10-13 1:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 11:03 [PATCH v3 0/3] arm64: EFI stub isolation Ard Biesheuvel
2015-10-06 11:03 ` [PATCH v3 1/3] arm64/efi: remove /chosen/linux, uefi-stub-kern-ver DT property Ard Biesheuvel
2015-10-13 1:18 ` Roy Franz [this message]
2015-10-06 11:03 ` [PATCH v3 2/3] arm64: use ENDPIPROC() to annotate position independent assembler routines Ard Biesheuvel
2015-10-06 11:03 ` [PATCH v3 3/3] arm64/efi: isolate EFI stub from the kernel proper Ard Biesheuvel
2015-10-08 17:19 ` [PATCH v3 0/3] arm64: EFI stub isolation Catalin Marinas
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