Re: [RFC PATCH] powerpc/powernv: Add ultravisor message log interface

2019-07-08 Thread Oliver O'Halloran
On Tue, Jul 9, 2019 at 6:12 AM Claudio Carvalho wrote: > > From: Madhavan Srinivasan > > Ultravisor provides an in-memory circular buffer containing a message > log populated with various runtime message produced by firmware. > > Based on "powernv/opal-msglog.c", this patch provides a sysfs inter

[RFC PATCH] powerpc/powernv: Add ultravisor message log interface

2019-07-08 Thread Claudio Carvalho
From: Madhavan Srinivasan Ultravisor provides an in-memory circular buffer containing a message log populated with various runtime message produced by firmware. Based on "powernv/opal-msglog.c", this patch provides a sysfs interface /sys/firmware/opal/uv_msglog for userspace to view the messages