1 files changed, 9 insertions, 38 deletions

diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index dec961c6d16a..f03d59ea6e40 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -25,10 +25,6 @@
 #include "efi.h"
 
 #include <generated/compile.h>
-#include <linux/module.h>
-#include <linux/uts.h>
-#include <linux/utsname.h>
-#include <linux/ctype.h>
 #include <generated/utsversion.h>
 #include <generated/utsrelease.h>
 
@@ -119,13 +115,8 @@ char *skip_spaces(const char *str)
 #include "../../../../lib/ctype.c"
 #include "../../../../lib/cmdline.c"
 
-enum parse_mode {
-	PARSE_MEMMAP,
-	PARSE_EFI,
-};
-
 static int
-parse_memmap(char *p, u64 *start, u64 *size, enum parse_mode mode)
+parse_memmap(char *p, u64 *start, u64 *size)
 {
 	char *oldp;
 
@@ -148,29 +139,11 @@ parse_memmap(char *p, u64 *start, u64 *size, enum parse_mode mode)
 		*start = memparse(p + 1, &p);
 		return 0;
 	case '@':
-		if (mode == PARSE_MEMMAP) {
-			/*
-			 * memmap=nn@ss specifies usable region, should
-			 * be skipped
-			 */
-			*size = 0;
-		} else {
-			u64 flags;
-
-			/*
-			 * efi_fake_mem=nn@ss:attr the attr specifies
-			 * flags that might imply a soft-reservation.
-			 */
-			*start = memparse(p + 1, &p);
-			if (p && *p == ':') {
-				p++;
-				if (kstrtoull(p, 0, &flags) < 0)
-					*size = 0;
-				else if (flags & EFI_MEMORY_SP)
-					return 0;
-			}
-			*size = 0;
-		}
+		/*
+		 * memmap=nn@ss specifies usable region, should
+		 * be skipped
+		 */
+		*size = 0;
 		fallthrough;
 	default:
 		/*
@@ -185,7 +158,7 @@ parse_memmap(char *p, u64 *start, u64 *size, enum parse_mode mode)
 	return -EINVAL;
 }
 
-static void mem_avoid_memmap(enum parse_mode mode, char *str)
+static void mem_avoid_memmap(char *str)
 {
 	static int i;
 
@@ -200,7 +173,7 @@ static void mem_avoid_memmap(enum parse_mode mode, char *str)
 		if (k)
 			*k++ = 0;
 
-		rc = parse_memmap(str, &start, &size, mode);
+		rc = parse_memmap(str, &start, &size);
 		if (rc < 0)
 			break;
 		str = k;
@@ -281,7 +254,7 @@ static void handle_mem_options(void)
 			break;
 
 		if (!strcmp(param, "memmap")) {
-			mem_avoid_memmap(PARSE_MEMMAP, val);
+			mem_avoid_memmap(val);
 		} else if (IS_ENABLED(CONFIG_X86_64) && strstr(param, "hugepages")) {
 			parse_gb_huge_pages(param, val);
 		} else if (!strcmp(param, "mem")) {
@@ -295,8 +268,6 @@ static void handle_mem_options(void)
 
 			if (mem_size < mem_limit)
 				mem_limit = mem_size;
-		} else if (!strcmp(param, "efi_fake_mem")) {
-			mem_avoid_memmap(PARSE_EFI, val);
 		}
 	}