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efi_memory: get the efi_mem_list node directly

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Use the list_for_each_entry() API to get the efi_mem_list node
directly, instead of making an additional call to list_entry().

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Sughosh Ganu 2024-07-30 16:41:31 +05:30 • committed by Heinrich Schuchardt
parent 7aa0addc42
commit e464ad085e
1 changed files with 8 additions and 17 deletions
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25
lib/efi_loader/efi_memory.c
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@ -127,7 +127,7 @@ static uint64_t desc_get_end(struct efi_mem_desc *desc)
*/
static void efi_mem_sort(void)
{
struct list_head *lhandle;
struct efi_mem_list *lmem;
struct efi_mem_list *prevmem = NULL;
bool merge_again = true;
@ -136,13 +136,11 @@ static void efi_mem_sort(void)
/* Now merge entries that can be merged */
while (merge_again) {
merge_again = false;
list_for_each(lhandle, &efi_mem) {
struct efi_mem_list *lmem;
list_for_each_entry(lmem, &efi_mem, link) {
struct efi_mem_desc *prev;
struct efi_mem_desc *cur;
uint64_t pages;
lmem = list_entry(lhandle, struct efi_mem_list, link);
if (!prevmem) {
prevmem = lmem;
continue;
@ -269,7 +267,7 @@ static efi_status_t efi_add_memory_map_pg(u64 start, u64 pages,
int memory_type,
bool overlap_only_ram)
{
struct list_head *lhandle;
struct efi_mem_list *lmem;
struct efi_mem_list *newlist;
bool carve_again;
uint64_t carved_pages = 0;
@ -309,11 +307,9 @@ static efi_status_t efi_add_memory_map_pg(u64 start, u64 pages,
/* Add our new map */
do {
carve_again = false;
list_for_each(lhandle, &efi_mem) {
struct efi_mem_list *lmem;
list_for_each_entry(lmem, &efi_mem, link) {
s64 r;
lmem = list_entry(lhandle, struct efi_mem_list, link);
r = efi_mem_carve_out(lmem, &newlist->desc,
overlap_only_ram);
switch (r) {
@ -445,7 +441,7 @@ static efi_status_t efi_check_allocated(u64 addr, bool must_be_allocated)
*/
static uint64_t efi_find_free_memory(uint64_t len, uint64_t max_addr)
{
struct list_head *lhandle;
struct efi_mem_list *lmem;
/*
* Prealign input max address, so we simplify our matching
@ -453,9 +449,7 @@ static uint64_t efi_find_free_memory(uint64_t len, uint64_t max_addr)
*/
max_addr &= ~EFI_PAGE_MASK;
list_for_each(lhandle, &efi_mem) {
struct efi_mem_list *lmem = list_entry(lhandle,
struct efi_mem_list, link);
list_for_each_entry(lmem, &efi_mem, link) {
struct efi_mem_desc *desc = &lmem->desc;
uint64_t desc_len = desc->num_pages << EFI_PAGE_SHIFT;
uint64_t desc_end = desc->physical_start + desc_len;
@ -745,7 +739,7 @@ efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
{
size_t map_entries;
efi_uintn_t map_size = 0;
struct list_head *lhandle;
struct efi_mem_list *lmem;
efi_uintn_t provided_map_size;
if (!memory_map_size)
@ -774,10 +768,7 @@ efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
/* Copy list into array */
/* Return the list in ascending order */
memory_map = &memory_map[map_entries - 1];
list_for_each(lhandle, &efi_mem) {
struct efi_mem_list *lmem;
lmem = list_entry(lhandle, struct efi_mem_list, link);
list_for_each_entry(lmem, &efi_mem, link) {
*memory_map = lmem->desc;
memory_map--;
}