quirks.c (1cbc99dfe5d7d686fd022647f4e489b5eb8e9068) quirks.c (78ce248faa3c46e24e9bd42db3ab3650659f16dd)
1#define pr_fmt(fmt) "efi: " fmt
2
3#include <linux/init.h>
4#include <linux/kernel.h>
5#include <linux/string.h>
6#include <linux/time.h>
7#include <linux/types.h>
8#include <linux/efi.h>

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190 * called. Ignoring this recommendation a significant bunch of EFI implementations
191 * continue calling into boot services code (SetVirtualAddressMap). In order to
192 * work around such buggy implementations we reserve boot services region during
193 * EFI init and make sure it stays executable. Then, after SetVirtualAddressMap(), it
194* is discarded.
195*/
196void __init efi_reserve_boot_services(void)
197{
1#define pr_fmt(fmt) "efi: " fmt
2
3#include <linux/init.h>
4#include <linux/kernel.h>
5#include <linux/string.h>
6#include <linux/time.h>
7#include <linux/types.h>
8#include <linux/efi.h>

--- 181 unchanged lines hidden (view full) ---

190 * called. Ignoring this recommendation a significant bunch of EFI implementations
191 * continue calling into boot services code (SetVirtualAddressMap). In order to
192 * work around such buggy implementations we reserve boot services region during
193 * EFI init and make sure it stays executable. Then, after SetVirtualAddressMap(), it
194* is discarded.
195*/
196void __init efi_reserve_boot_services(void)
197{
198 void *p;
198 efi_memory_desc_t *md;
199
199
200 for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
201 efi_memory_desc_t *md = p;
200 for_each_efi_memory_desc(md) {
202 u64 start = md->phys_addr;
203 u64 size = md->num_pages << EFI_PAGE_SHIFT;
204 bool already_reserved;
205
206 if (md->type != EFI_BOOT_SERVICES_CODE &&
207 md->type != EFI_BOOT_SERVICES_DATA)
208 continue;
209

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245 * free_bootmem_late().
246 */
247 md->attribute |= EFI_MEMORY_RUNTIME;
248 }
249}
250
251void __init efi_free_boot_services(void)
252{
201 u64 start = md->phys_addr;
202 u64 size = md->num_pages << EFI_PAGE_SHIFT;
203 bool already_reserved;
204
205 if (md->type != EFI_BOOT_SERVICES_CODE &&
206 md->type != EFI_BOOT_SERVICES_DATA)
207 continue;
208

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244 * free_bootmem_late().
245 */
246 md->attribute |= EFI_MEMORY_RUNTIME;
247 }
248}
249
250void __init efi_free_boot_services(void)
251{
253 void *p;
252 efi_memory_desc_t *md;
254
253
255 for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
256 efi_memory_desc_t *md = p;
254 for_each_efi_memory_desc(md) {
257 unsigned long long start = md->phys_addr;
258 unsigned long long size = md->num_pages << EFI_PAGE_SHIFT;
259
260 if (md->type != EFI_BOOT_SERVICES_CODE &&
261 md->type != EFI_BOOT_SERVICES_DATA)
262 continue;
263
264 /* Do not free, someone else owns it: */

--- 113 unchanged lines hidden --- 		255 unsigned long long start = md->phys_addr;
256 unsigned long long size = md->num_pages << EFI_PAGE_SHIFT;
257
258 if (md->type != EFI_BOOT_SERVICES_CODE &&
259 md->type != EFI_BOOT_SERVICES_DATA)
260 continue;
261
262 /* Do not free, someone else owns it: */

--- 113 unchanged lines hidden ---