Re: [PATCH 4/5] powerpc/powernv: Cache PHB diag-data

2014-02-22 Thread Gavin Shan
On Sat, Feb 22, 2014 at 07:01:27AM +1100, Benjamin Herrenschmidt wrote: On Fri, 2014-02-21 at 19:53 +0800, Gavin Shan wrote: EEH core tries to recover from fenced PHB or frozen PE. Unfortunately, the log isn't consistent with the site because enabling IO path for the frozen PE before collecting

[PATCH 4/5] powerpc/powernv: Cache PHB diag-data

2014-02-21 Thread Gavin Shan
EEH core tries to recover from fenced PHB or frozen PE. Unfortunately, the log isn't consistent with the site because enabling IO path for the frozen PE before collecting log would ruin the site. The patch solves the problem to cache the PHB diag-data in advance with the help of additional flag

Re: [PATCH 4/5] powerpc/powernv: Cache PHB diag-data

2014-02-21 Thread Benjamin Herrenschmidt
On Fri, 2014-02-21 at 19:53 +0800, Gavin Shan wrote: EEH core tries to recover from fenced PHB or frozen PE. Unfortunately, the log isn't consistent with the site because enabling IO path for the frozen PE before collecting log would ruin the site. The patch solves the problem to cache the PHB