6.6-stable review patch. If anyone has any objections, please let me know.
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From: Hou Wenlong houwenlong.hwl@antgroup.com
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@antgroup.com Signed-off-by: Ingo Molnar mingo@kernel.org Link: https://lore.kernel.org/r/0583f57977be184689c373fe540cbd7d85ca2047.169752540... Signed-off-by: Ard Biesheuvel ardb@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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;