[tip:,x86/cleanups] x86/boot: Centralize __pa()/__va() definitions
Commit Message
The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: 5462ade6871e96646502cc95e7e05f0ab4fc84de
Gitweb: https://git.kernel.org/tip/5462ade6871e96646502cc95e7e05f0ab4fc84de
Author: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
AuthorDate: Thu, 30 Mar 2023 14:49:43 +03:00
Committer: Dave Hansen <dave.hansen@linux.intel.com>
CommitterDate: Tue, 04 Apr 2023 13:42:37 -07:00
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
---
arch/x86/boot/compressed/ident_map_64.c | 8 --------
arch/x86/boot/compressed/misc.h | 9 +++++++++
arch/x86/boot/compressed/sev.c | 2 --
3 files changed, 9 insertions(+), 10 deletions(-)
@@ -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
@@ -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>
@@ -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