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linux/arch/x86/include/asm/init.h
Hou Wenlong d2a285d65b x86/head/64: Move the __head definition to <asm/init.h>
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/0583f57977be184689c373fe540cbd7d85ca2047.1697525407.git.houwenlong.hwl@antgroup.com
2023-10-17 14:51:14 +02:00

19 lines
672 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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 */
unsigned long page_flag; /* page flag for PMD or PUD entry */
unsigned long offset; /* ident mapping offset */
bool direct_gbpages; /* PUD level 1GB page support */
unsigned long kernpg_flag; /* kernel pagetable flag override */
};
int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
unsigned long pstart, unsigned long pend);
#endif /* _ASM_X86_INIT_H */