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path: root/drivers/firmware/efi/efi.c
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Diffstat (limited to 'drivers/firmware/efi/efi.c')
-rw-r--r--drivers/firmware/efi/efi.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index cd42f66a7c85..232f4915223b 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -75,6 +75,15 @@ static unsigned long *efi_tables[] = {
&efi.mem_attr_table,
};
+struct mm_struct efi_mm = {
+ .mm_rb = RB_ROOT,
+ .mm_users = ATOMIC_INIT(2),
+ .mm_count = ATOMIC_INIT(1),
+ .mmap_sem = __RWSEM_INITIALIZER(efi_mm.mmap_sem),
+ .page_table_lock = __SPIN_LOCK_UNLOCKED(efi_mm.page_table_lock),
+ .mmlist = LIST_HEAD_INIT(efi_mm.mmlist),
+};
+
static bool disable_runtime;
static int __init setup_noefi(char *arg)
{
@@ -542,9 +551,9 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz,
seed = early_memremap(efi.rng_seed,
sizeof(*seed) + size);
if (seed != NULL) {
+ pr_notice("seeding entropy pool\n");
add_device_randomness(seed->bits, seed->size);
early_memunmap(seed, sizeof(*seed) + size);
- pr_notice("seeding entropy pool\n");
} else {
pr_err("Could not map UEFI random seed!\n");
}