On Sun, Apr 3, 2016 at 6:51 AM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > On Sun, Apr 3, 2016 at 3:07 AM, Borislav Petkov <bp@xxxxxxxxx> wrote: >> >> I'm wondering whether making it try to EFAULT correctly is the right >> thing to do... We're certainly more conservative if we panic and not >> allow some silently failed attempt at recovery which looks successful, >> to continue. > > No, please don't fail at early boot. > > Early boot is just about the *worst* situation to try to debug odd > failures, exactly since things like printk may not be reliable, and > things won't get logged etc. > > So particularly during early boot we should try as hard as possible > not to crash - even if it means not being able to log about a problem. > At least that way you have a hopefully working machine and can *maybe* > debug things. > In this regard, at least, my patch is the right approach. Calling the handler, whatever it is, is less likely to panic than refusing to call it. --Andy -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html