On 01.02.2013, at 07:09, Gao Guanhua-B22826 wrote: > Hi Alex, > > The guest will not be hung after applying the patch, but the test result is still wrong. > > root@model:/media/ram# ./spe_align_e500v2 > high in 0x1 out 0xaaaaaaaa > low in 0x1 out 0xbbbbbbbb > spe test failed! > Segmentation fault > > Then we made some more modifications, the test result is right finally. > > In arch/powerpc/kvm/booke.c kvmppc_booke_irqprio_deliver: > case BOOKE_IRQPRIO_ALIGNMENT: > update_dear = true; > allowed = 1; > msr_mask = MSR_CE | MSR_ME | MSR_DE; > int_class = INT_CLASS_NONCRIT; > break; > In arch/powerpc/kvm/booke_interrupts.S > #define NEED_DEAR_MASK ((1<<BOOKE_INTERRUPT_DATA_STORAGE) | \ > (1<<BOOKE_INTERRUPT_DTLB_MISS) | \ > (1<<BOOKE_INTERRUPT_ALIGNMENT)) > > Test result: > root@model:/media/ram# ./spe_align_e500v2 > high in 0x64 out 0x64 > low in 0x64 out 0x64 Thanks a lot for testing and fixing this one :). I'm glad it works for you. I've written up a patch that does this slightly differently and also takes EPR into account. Could you please check whether that one works as well? Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
