On November 29, 2017 12:58:15 PM PST, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote: >> We're really early in the boot -- startup_64 in decompression code -- >and >> I don't know a way print a message there. Is there a way? >> >> no_longmode handled by just hanging the machine. Is it enough for >no_la57 >> case too? > >The way to handle it is to check it early in the real mode boot code >when you >can still print messages. That is how missing long mode is handled. > >-Andi Yes, and that test should be done automatically. However, we also check at several later points in case that code is bypassed by the bootloader. -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href