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| author | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
| commit | 25eabb13c7d67ae32298015c5e28d00f604f412c (patch) | |
| tree | 5bd75c2c1e385c79425bb099f0d19db7fb9c391f /drivers/firmware/efi/arm-init.c | |
| parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
| parent | e19b205be43d11bff638cad4487008c48d21c103 (diff) | |
Merge tag 'v4.14-rc2' into next-general
Linux 4.14-rc2
Sync to v4.14-rc2 for security subsystem developers to track.
Diffstat (limited to 'drivers/firmware/efi/arm-init.c')
| -rw-r--r-- | drivers/firmware/efi/arm-init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index 1027d7b44358..80d1a885def5 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -145,6 +145,9 @@ static int __init uefi_init(void) sizeof(efi_config_table_t), arch_tables); + if (!retval) + efi.config_table = (unsigned long)efi.systab->tables; + early_memunmap(config_tables, table_size); out: early_memunmap(efi.systab, sizeof(efi_system_table_t)); @@ -159,6 +162,7 @@ static __init int is_usable_memory(efi_memory_desc_t *md) switch (md->type) { case EFI_LOADER_CODE: case EFI_LOADER_DATA: + case EFI_ACPI_RECLAIM_MEMORY: case EFI_BOOT_SERVICES_CODE: case EFI_BOOT_SERVICES_DATA: case EFI_CONVENTIONAL_MEMORY: @@ -211,6 +215,10 @@ static __init void reserve_regions(void) if (!is_usable_memory(md)) memblock_mark_nomap(paddr, size); + + /* keep ACPI reclaim memory intact for kexec etc. */ + if (md->type == EFI_ACPI_RECLAIM_MEMORY) + memblock_reserve(paddr, size); } } } |