On 04/26/2013 03:42 PM, Peter Maydell wrote: > On 26 April 2013 14:24, Andre Przywara <andre.przywara@xxxxxxxxxx> wrote: >> On 04/26/2013 03:18 PM, Peter Maydell wrote: >>> The obvious question here is "why do we need a new command?". >>> The kernel booting specification says "boot the kernel in >>> Hyp mode" so we should just always do that for booting Linux, >>> surely? > >> Because it avoids regressions. I kind of feel uneasy to do a lot of >> tinkering with secure state and the GIC unconditionally, especially if >> enabled on many boards with virt-capable CPUs. > > There aren't exactly very many of those out there, so if we > default to "boot in HYP mode" then (a) KVM will just work > out of the box and (b) people doing u-boot ports to their > board will find any issues and be able to submit fixes. > If we don't turn it on by default then we'll end up stuck > in a world where KVM doesn't work on half the virt capable > boards out there. OK, that's a point. I changed the code already and will include it in the next revision. Thanks, Andre. > > I have no objection to a "turn this off" escape hatch if > you think it's useful. > > -- PMM > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
