This is a note to let you know that I've just added the patch titled
x86/head/64: Move the __head definition to <asm/init.h>
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-head-64-move-the-__head-definition-to-asm-init.h.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From stable+bounces-40256-greg=kroah.com@xxxxxxxxxxxxxxx Fri Apr 19 10:12:19 2024
From: Ard Biesheuvel <ardb+git@xxxxxxxxxx>
Date: Fri, 19 Apr 2024 10:11:26 +0200
Subject: x86/head/64: Move the __head definition to <asm/init.h>
To: stable@xxxxxxxxxxxxxxx
Message-ID: <20240419081105.3817596-45-ardb+git@xxxxxxxxxx>
From: Hou Wenlong <houwenlong.hwl@xxxxxxxxxxxx>
[ Commit d2a285d65bfde3218fd0c3b88794d0135ced680b upstream ]
Move the __head section definition to a header to widen its use.
An upcoming patch will mark the code as __head in mem_encrypt_identity.c too.
Signed-off-by: Hou Wenlong <houwenlong.hwl@xxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/0583f57977be184689c373fe540cbd7d85ca2047.1697525407.git.houwenlong.hwl@xxxxxxxxxxxx
Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/init.h | 2 ++
arch/x86/kernel/head64.c | 3 +--
2 files changed, 3 insertions(+), 2 deletions(-)
--- a/arch/x86/include/asm/init.h
+++ b/arch/x86/include/asm/init.h
@@ -2,6 +2,8 @@
#ifndef _ASM_X86_INIT_H
#define _ASM_X86_INIT_H
+#define __head __section(".head.text")
+
struct x86_mapping_info {
void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
void *context; /* context for alloc_pgt_page */
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -41,6 +41,7 @@
#include <asm/trapnr.h>
#include <asm/sev.h>
#include <asm/tdx.h>
+#include <asm/init.h>
/*
* Manage page tables very early on.
@@ -84,8 +85,6 @@ static struct desc_ptr startup_gdt_descr
.address = 0,
};
-#define __head __section(".head.text")
-
static void __head *fixup_pointer(void *ptr, unsigned long physaddr)
{
return ptr - (void *)_text + (void *)physaddr;
Patches currently in stable-queue which might be from kroah.com@xxxxxxxxxxxxxxx are
queue-6.1/x86-boot-drop-pe-coff-.reloc-section.patch
queue-6.1/x86-sme-move-early-sme-kernel-encryption-handling-into-.head.text.patch
queue-6.1/x86-boot-omit-compression-buffer-from-pe-coff-image-memory-footprint.patch
queue-6.1/x86-mm-remove-p-d_page_mask-and-p-d_page_size-macros.patch
queue-6.1/x86-efi-drop-alignment-flags-from-pe-section-headers.patch
queue-6.1/x86-boot-increase-section-and-file-alignment-to-4k-512.patch
queue-6.1/x86-head-64-add-missing-__head-annotation-to-startup_64_load_idt.patch
queue-6.1/x86-boot-define-setup-size-in-linker-script.patch
queue-6.1/x86-boot-split-off-pe-coff-.data-section.patch
queue-6.1/x86-boot-derive-file-size-from-_edata-symbol.patch
queue-6.1/x86-boot-construct-pe-coff-.text-section-from-assembler.patch
queue-6.1/x86-boot-grab-kernel_info-offset-from-zoffset-header-directly.patch
queue-6.1/x86-sev-move-early-startup-code-into-.head.text-section.patch
queue-6.1/x86-boot-remove-the-bugger-off-message.patch
queue-6.1/x86-head-64-move-the-__head-definition-to-asm-init.h.patch
queue-6.1/x86-boot-drop-references-to-startup_64.patch
queue-6.1/x86-efistub-use-1-1-file-memory-mapping-for-pe-coff-.compat-section.patch
queue-6.1/x86-efi-drop-efi-stub-.bss-from-.data-section.patch
queue-6.1/x86-efi-disregard-setup-header-of-loaded-image.patch
queue-6.1/x86-efistub-remap-kernel-text-read-only-before-dropping-nx-attribute.patch
queue-6.1/x86-efistub-reinstate-soft-limit-for-initrd-loading.patch
queue-6.1/x86-boot-set-efi-handover-offset-directly-in-header-asm.patch
queue-6.1/x86-boot-drop-redundant-code-setting-the-root-device.patch
