[PATCH 05/16] rename __get_map() to efi_get_memory_map(), add parameter to optionally return mmap key. The mmap key is required to exit EFI boot services, and allows efi_get_memory_map() to be used for getting final memory map.
From: Roy Franz <hidden>
Date: 2013-08-09 23:29:37
Also in:
linux-efi, lkml
Subsystem:
extensible firmware interface (efi), the rest · Maintainers:
Ard Biesheuvel, Linus Torvalds
Signed-off-by: Roy Franz <redacted> --- drivers/firmware/efi/efi-stub-helper.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
index 40cd16e..1d0a079 100644
--- a/drivers/firmware/efi/efi-stub-helper.c
+++ b/drivers/firmware/efi/efi-stub-helper.c@@ -46,10 +46,11 @@ static void efi_printk(efi_system_table_t *sys_table_arg, char *str) } -static efi_status_t __get_map(efi_system_table_t *sys_table_arg, - efi_memory_desc_t **map, - unsigned long *map_size, - unsigned long *desc_size) +static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, + efi_memory_desc_t **map, + unsigned long *map_size, + unsigned long *desc_size, + unsigned long *key_ptr) { efi_memory_desc_t *m = NULL; efi_status_t status;
@@ -77,6 +78,8 @@ again: if (status != EFI_SUCCESS) efi_call_phys1(sys_table_arg->boottime->free_pool, m); + if (key_ptr && status == EFI_SUCCESS) + *key_ptr = key; fail: *map = m;
@@ -97,7 +100,8 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg, u64 max_addr = 0; int i; - status = __get_map(sys_table_arg, &map, &map_size, &desc_size); + status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size, + NULL); if (status != EFI_SUCCESS) goto fail;
@@ -175,7 +179,8 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, unsigned long nr_pages; int i; - status = __get_map(sys_table_arg, &map, &map_size, &desc_size); + status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size, + NULL); if (status != EFI_SUCCESS) goto fail;
--
1.7.10.4