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-rw-r--r--arch/x86/platform/efi/efi.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index d2fbced..b410b71 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -929,6 +929,13 @@ void __init efi_enter_virtual_mode(void)
va = efi_ioremap(md->phys_addr, size,
md->type, md->attribute);
+ if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
+ if (!va)
+ pr_err("ioremap of 0x%llX failed!\n",
+ (unsigned long long)md->phys_addr);
+ continue;
+ }
+
md->virt_addr = (u64) (unsigned long) va;
if (!va) {
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