Otherwise e.g. Xen dom0 on x86_64 EFI platforms crashes.
In theory we can check EFI_PARAVIRT too, however,
EFI_MEMMAP looks more generic and covers more cases.
Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
---
drivers/firmware/efi/efi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index b372aad..045d6d3 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -528,7 +528,8 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz,
}
}
- efi_memattr_init();
+ if (efi_enabled(EFI_MEMMAP))
+ efi_memattr_init();
/* Parse the EFI Properties table if it exists */
if (efi.properties_table != EFI_INVALID_TABLE_ADDR) {
--
1.7.10.4
--
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