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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-02 08:51:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-02 08:51:53 -0700 |
| commit | f56f88ee3fa1c3080f6ba122a597e75f0d5ab969 (patch) | |
| tree | 965341d16b0c455f0ff2885099f1920f01e166bc /arch/x86/platform/efi/efi.c | |
| parent | 3b1e342be265f7df915c68c7c6e450956d8865aa (diff) | |
| parent | 7425826f4f7ac60f2538b06a7f0a5d1006405159 (diff) | |
Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
"Misc fixes:
- three boot crash fixes for uncommon configurations
- silence a boot warning under virtualization
- plus a GCC 7 related (harmless) build warning fix"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/bgrt: Skip efi_bgrt_init() in case of non-EFI boot
x86/efi: Correct EFI identity mapping under 'efi=old_map' when KASLR is enabled
x86/efi: Disable runtime services on kexec kernel if booted with efi=old_map
efi: Remove duplicate 'const' specifiers
efi: Don't issue error message when booted under Xen
Diffstat (limited to 'arch/x86/platform/efi/efi.c')
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 6 |
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; |