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-rw-r--r--arch/x86/platform/efi/efi.c30
1 files changed, 10 insertions, 20 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index b931c4bea284..4e46d2d24352 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -497,6 +497,8 @@ void __init efi_init(void)
efi_print_memmap();
}
+#if defined(CONFIG_X86_32) || defined(CONFIG_X86_UV)
+
void __init efi_set_executable(efi_memory_desc_t *md, bool executable)
{
u64 addr, npages;
@@ -561,6 +563,8 @@ void __init old_map_region(efi_memory_desc_t *md)
(unsigned long long)md->phys_addr);
}
+#endif
+
/* Merge contiguous regions of the same type and attribute */
static void __init efi_merge_regions(void)
{
@@ -659,7 +663,7 @@ static inline void *efi_map_next_entry_reverse(void *entry)
*/
static void *efi_map_next_entry(void *entry)
{
- if (!efi_enabled(EFI_OLD_MEMMAP) && efi_enabled(EFI_64BIT)) {
+ if (!efi_have_uv1_memmap() && efi_enabled(EFI_64BIT)) {
/*
* Starting in UEFI v2.5 the EFI_PROPERTIES_TABLE
* config table feature requires us to map all entries
@@ -791,11 +795,11 @@ static void __init kexec_enter_virtual_mode(void)
/*
* We don't do virtual mode, since we don't do runtime services, on
- * non-native EFI. With efi=old_map, we don't do runtime services in
+ * non-native EFI. With the UV1 memmap, we don't do runtime services in
* kexec kernel because in the initial boot something else might
* have been mapped at these virtual addresses.
*/
- if (efi_is_mixed() || efi_enabled(EFI_OLD_MEMMAP)) {
+ if (efi_is_mixed() || efi_have_uv1_memmap()) {
efi_memmap_unmap();
clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
return;
@@ -861,9 +865,9 @@ static void __init kexec_enter_virtual_mode(void)
*
* The old method which used to update that memory descriptor with the
* virtual address obtained from ioremap() is still supported when the
- * kernel is booted with efi=old_map on its command line. Same old
- * method enabled the runtime services to be called without having to
- * thunk back into physical mode for every invocation.
+ * kernel is booted on SG1 UV1 hardware. Same old method enabled the
+ * runtime services to be called without having to thunk back into
+ * physical mode for every invocation.
*
* The new method does a pagetable switch in a preemption-safe manner
* so that we're in a different address space when calling a runtime
@@ -976,20 +980,6 @@ void __init efi_enter_virtual_mode(void)
efi_dump_pagetable();
}
-static int __init arch_parse_efi_cmdline(char *str)
-{
- if (!str) {
- pr_warn("need at least one option\n");
- return -EINVAL;
- }
-
- if (parse_option_str(str, "old_map"))
- set_bit(EFI_OLD_MEMMAP, &efi.flags);
-
- return 0;
-}
-early_param("efi", arch_parse_efi_cmdline);
-
bool efi_is_table_address(unsigned long phys_addr)
{
unsigned int i;