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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-05 09:27:05 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-05 09:27:05 +0200
commit8bc39bca5e3e8da0d62f7f4d67fdbeecab02b350 (patch)
treeac5df85133c64167381acb33086e154724148dc2 /arch/x86/platform/efi/efi.c
parent094094a9373fbea80ec00714eed5c24f6fd39ecf (diff)
parent3c2993b8c6143d8a5793746a54eba8f86f95240f (diff)
Merge 4.12-rc4 into tty-next
We want the tty locking fix in here, so that maybe we can finally get it fixed for real... Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/platform/efi/efi.c')
-rw-r--r--arch/x86/platform/efi/efi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 7e76a4d8304b..43b96f5f78ba 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -828,9 +828,11 @@ static void __init kexec_enter_virtual_mode(void)
/*
* We don't do virtual mode, since we don't do runtime services, on
- * non-native EFI
+ * non-native EFI. With efi=old_map, we don't do runtime services in
+ * kexec kernel because in the initial boot something else might
+ * have been mapped at these virtual addresses.
*/
- if (!efi_is_native()) {
+ if (!efi_is_native() || efi_enabled(EFI_OLD_MEMMAP)) {
efi_memmap_unmap();
clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
return;