On Mon, Dec 04, 2017 at 03:40:56PM +0300, Kirill A. Shutemov wrote: > We cannot proceed booting if the machine doesn't support the paging mode > kernel was compiled for. > > Getting error the usual way -- via validate_cpu() -- is not going to > work. We need to enable appropriate paging mode before that, otherwise > kernel would triple-fault during KASLR setup. > > This code will go away once we get support for boot-time switching > between paging modes. > > Signed-off-by: Kirill A. Shutemov <[email protected]> > Cc: <[email protected]> [4.14+] > --- > arch/x86/boot/compressed/misc.c | 16 ++++++++++++++++ > arch/x86/boot/compressed/pgtable_64.c | 2 +- > 2 files changed, 17 insertions(+), 1 deletion(-)
Reported-and-tested-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
