Re: [PATCH 1/2] powerpc: System reset avoid interleaving oops using die synchronisation

2018-01-02 Thread David Gibson
On Sun, Dec 24, 2017 at 02:49:22AM +1000, Nicholas Piggin wrote: > The die() oops path contains a serializing lock to prevent oops > messages from being interleaved. In the case of a system reset > initiated oops (e.g., qemu nmi command), __die was being called > which lacks that synchronisation an

[PATCH 1/2] powerpc: System reset avoid interleaving oops using die synchronisation

2017-12-23 Thread Nicholas Piggin
The die() oops path contains a serializing lock to prevent oops messages from being interleaved. In the case of a system reset initiated oops (e.g., qemu nmi command), __die was being called which lacks that synchronisation and oops reports could be interleaved across CPUs. A recent patch 4388c9b3