Re: [PATCH] selftests/powerpc: Add script to test HMI functionality

2015-12-09 Thread Stewart Smith
Daniel Axtens writes: > I just realised I sent my reply to Denis not the list - apologies. This > info goes for v2 as well. > > > Could you explain why it's useful, and what it's useful for. Moreover, > > it's POWER8 feature, right? > > I'm not sure whether you're asking about the script or

Re: [PATCH] selftests/powerpc: Add script to test HMI functionality

2015-12-09 Thread Daniel Axtens
I just realised I sent my reply to Denis not the list - apologies. This info goes for v2 as well. > Could you explain why it's useful, and what it's useful for. Moreover, > it's POWER8 feature, right? I'm not sure whether you're asking about the script or HMIs. Explaining HMIs helps make

Re: [PATCH] selftests/powerpc: Add script to test HMI functionality

2015-11-18 Thread Denis Kirjanov
On 11/18/15, Daniel Axtens wrote: > HMIs (Hypervisor Management|Maintenance Interrupts) are a class of interrupt > on POWER systems. > > HMI support has traditionally been exceptionally difficult to test. However > Skiboot ships a tool that, with the correct magic numbers, will inject them. > > Th