On Mon, Aug 20, 2012 at 1:22 PM, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: > Guys, > > I'm seeing weird regressions on v11 when running Thumb2 code: > > [ 315.637769] cyclictest (3319): undefined instruction: pc=0000a2f4 > [ 315.637791] Code: 4640 4649 f002 fbc4 (ed95) 7b06 > [ 316.216214] cyclictest (3324): undefined instruction: pc=0000a2f4 > [ 316.217515] Code: 4640 4649 f002 fbc4 (ed95) 7b06 > [ 325.854063] cyclictest (3444): undefined instruction: pc=0000a2f4 > [ 325.854076] Code: 4640 4649 f002 fbc4 (ed95) 7b06 > > My previous work branch was quite solid (v10 based). Do we have a clear > idea of what's changed in the exception handling path? Or should I > consider doing the diff dance? > > I have the ugly feeling that we're adjusting the PC in a creative way. > if that's the case, it's probably the kvm_skip_instr() thingy. Which code are you running? simply a Thumb guest kernel or something in user space? If the latter, can you share? _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
