diff options
Diffstat (limited to 'drivers/firmware/efi/efi-init.c')
| -rw-r--r-- | drivers/firmware/efi/efi-init.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/firmware/efi/efi-init.c b/drivers/firmware/efi/efi-init.c index f55a92ff1..86da3c7a5 100644 --- a/drivers/firmware/efi/efi-init.c +++ b/drivers/firmware/efi/efi-init.c @@ -142,15 +142,6 @@ static __init int is_usable_memory(efi_memory_desc_t *md) case EFI_CONVENTIONAL_MEMORY: case EFI_PERSISTENT_MEMORY: /* - * Special purpose memory is 'soft reserved', which means it - * is set aside initially, but can be hotplugged back in or - * be assigned to the dax driver after boot. - */ - if (efi_soft_reserve_enabled() && - (md->attribute & EFI_MEMORY_SP)) - return false; - - /* * According to the spec, these regions are no longer reserved * after calling ExitBootServices(). However, we can only use * them as System RAM if they can be mapped writeback cacheable. @@ -194,6 +185,16 @@ static __init void reserve_regions(void) size = npages << PAGE_SHIFT; if (is_memory(md)) { + /* + * Special purpose memory is 'soft reserved', which + * means it is set aside initially. Don't add a memblock + * for it now so that it can be hotplugged back in or + * be assigned to the dax driver after boot. + */ + if (efi_soft_reserve_enabled() && + (md->attribute & EFI_MEMORY_SP)) + continue; + early_init_dt_add_memory_arch(paddr, size); if (!is_usable_memory(md)) |