diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2023-03-30 13:49:43 +0200 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-04-04 22:42:37 +0200 |
| commit | 5462ade6871e96646502cc95e7e05f0ab4fc84de (patch) | |
| tree | 49580b8c84b6437b6ff1b4b5908abe5165970270 /arch/x86/boot | |
| parent | x86: Simplify one-level sysctl registration for itmt_kern_table (diff) | |
| download | linux-5462ade6871e96646502cc95e7e05f0ab4fc84de.tar.xz linux-5462ade6871e96646502cc95e7e05f0ab4fc84de.zip | |
x86/boot: Centralize __pa()/__va() definitions
Replace multiple __pa()/__va() definitions with a single one in misc.h.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20230330114956.20342-2-kirill.shutemov%40linux.intel.com
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/compressed/ident_map_64.c | 8 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/misc.h | 9 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 2 |
3 files changed, 9 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/ident_map_64.c b/arch/x86/boot/compressed/ident_map_64.c index 321a5011042d..bcc956c17872 100644 --- a/arch/x86/boot/compressed/ident_map_64.c +++ b/arch/x86/boot/compressed/ident_map_64.c @@ -8,14 +8,6 @@ * Copyright (C) 2016 Kees Cook */ -/* - * Since we're dealing with identity mappings, physical and virtual - * addresses are the same, so override these defines which are ultimately - * used by the headers in misc.h. - */ -#define __pa(x) ((unsigned long)(x)) -#define __va(x) ((void *)((unsigned long)(x))) - /* No PAGE_TABLE_ISOLATION support needed either: */ #undef CONFIG_PAGE_TABLE_ISOLATION diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index 20118fb7c53b..2f155a0e3041 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -19,6 +19,15 @@ /* cpu_feature_enabled() cannot be used this early */ #define USE_EARLY_PGTABLE_L5 +/* + * Boot stub deals with identity mappings, physical and virtual addresses are + * the same, so override these defines. + * + * <asm/page.h> will not define them if they are already defined. + */ +#define __pa(x) ((unsigned long)(x)) +#define __va(x) ((void *)((unsigned long)(x))) + #include <linux/linkage.h> #include <linux/screen_info.h> #include <linux/elf.h> diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index d63ad8f99f83..014b89c89088 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -104,9 +104,7 @@ static enum es_result vc_read_mem(struct es_em_ctxt *ctxt, } #undef __init -#undef __pa #define __init -#define __pa(x) ((unsigned long)(x)) #define __BOOT_COMPRESSED |