On Thu, Jul 9, 2015 at 11:51 AM, Arjan van de Ven <ar...@linux.intel.com> wrote: > On 7/9/2015 11:40 AM, Andy Lutomirski wrote: >> >> VM86 is entirely broken if ptrace, syscall auditing, or NOHZ_FULL is >> in use. The code is a big undocumented mess, it's a real PITA to >> test, and it looks like a big chunk of vm86_32.c is dead code. It >> also plays awful games with the entry asm. >> >> No one should be using it anyway. Use DOSBOX or KVM instead. >> >> Let's accelerate its slow death. Remove it from EXPERT and default >> it to n. Distros should not enable it. In the unlikely event that >> some user needs it, they can easily re-enable it. >> >> I've confirmed that 'make oldconfig' will set leave it set to y, so >> there should be little or no unexpected breakage from this change. >> > > I would rather do BOTH the default n AND the EXPERT > > e.g. the existing hurdle of EXPERT combined with the default > (e.g. off entirely in non-EXPERT, and with EXPERT it is sill defaulting to > =n) > >
I figured we could do this for a release or two, then move it into EXPERT. But I'd be fine with your suggestion, too. Ingo, Linus? --Andy -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
