linux-kernel - [PATCH v2 2/2] docs: admin-guide: EFI stub to main Linux handoff

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Message-Id: <20201003063725.8698-3-xypron.glpk@gmx.de>
Date:   Sat,  3 Oct 2020 08:37:25 +0200
From:   Heinrich Schuchardt <xypron.glpk@....de>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>, linux-efi@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Atish Patra <atishp@...shpatra.org>,
        Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH v2 2/2] docs: admin-guide: EFI stub to main Linux handoff

Describe the handoff from the EFI stub to the main Linux kernel.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
v2:
	new patch
---
 Documentation/admin-guide/efi-stub.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/admin-guide/efi-stub.rst b/Documentation/admin-guide/efi-stub.rst
index 4965dec48af4..669602ff4515 100644
--- a/Documentation/admin-guide/efi-stub.rst
+++ b/Documentation/admin-guide/efi-stub.rst
@@ -133,3 +133,15 @@ described above.

 This option is only available if CONFIG_EFI_ARMSTUB_DTB_LOADER=y and secure
 boot is disabled.
+
+Handoff to main Linux kernel
+----------------------------
+
+Currently the EFI stub enters the main Linux kernel via the same entry points
+that are used when booting without UEFI. This might change in future versions.
+For a description of these entry points see:
+
+* for arm :doc:`/arm/booting`
+* for arm64 :doc:`/arm64/booting`
+* for riscv :doc:`/riscv/index`
+* for x86 :doc:`/x86/boot`
--
2.28.0