diff options
Diffstat (limited to 'arch/x86/boot/compressed/kaslr.c')
-rw-r--r-- | arch/x86/boot/compressed/kaslr.c | 43 |
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); } } |