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path: root/arch/x86/boot/compressed/kaslr.c
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Diffstat (limited to 'arch/x86/boot/compressed/kaslr.c')
-rw-r--r--arch/x86/boot/compressed/kaslr.c43
1 files changed, 9 insertions, 34 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index dec961c6d16a..f4d82379bf44 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -119,13 +119,8 @@ 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 +143,11 @@ 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 +162,7 @@ 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 +177,7 @@ 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 +258,7 @@ 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 +272,6 @@ 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);
}
}