This fixes boot panics, hangs which I reported in this thread: http://lkml.iu.edu/hypermail/linux/kernel/1801.1/00951.html
I have not yet verified if similar issue is applicable to newer kernels. Re-sending it as a proper git send-email submission. Pavel Tatashin (1): x86/pti/efi: broken conversion from efi to kernel page table arch/x86/include/asm/kaiser.h | 8 ++++++++ arch/x86/realmode/init.c | 4 +++- arch/x86/realmode/rm/trampoline_64.S | 3 ++- 3 files changed, 13 insertions(+), 2 deletions(-) -- 1.8.3.1