Hi Maddy,
On Fri, Sep 27, 2013 at 05:03:54PM +0530, Madhavan Srinivasan wrote:
powerpc/kernel/sysfs.c exports purr with write permission.
PURR
This is only valid for kernel in hypervisor mode.
But writing to the file in PowerVM lpar causes crash.
In the kernel history/source we refer to it
On Tue, 2013-10-01 at 16:31 +1000, Michael Ellerman wrote:
1)Changed the test for to hypervisor mode instead of platform
I think Ben's wrong about that.
Almost all existing code uses FW_FEATURE_LPAR to differentiate
hypervisor vs guest mode, so I think we should do the same here.
I
On Tuesday 01 October 2013 12:01 PM, Michael Ellerman wrote:
Hi Maddy,
On Fri, Sep 27, 2013 at 05:03:54PM +0530, Madhavan Srinivasan wrote:
powerpc/kernel/sysfs.c exports purr with write permission.
PURR
This is only valid for kernel in hypervisor mode.
But writing to the file in
On Tue, Oct 01, 2013 at 05:50:30PM +1000, Benjamin Herrenschmidt wrote:
On Tue, 2013-10-01 at 16:31 +1000, Michael Ellerman wrote:
1)Changed the test for to hypervisor mode instead of platform
I think Ben's wrong about that.
Almost all existing code uses FW_FEATURE_LPAR to
powerpc/kernel/sysfs.c exports purr with write permission.
This is only valid for kernel in hypervisor mode.
But writing to the file in PowerVM lpar causes crash.
# echo 0 purr
cpu 0x0: Vector: 700 (Program Check) at [c0d072b0]
pc: c001770c: .write_purr+0x1c/0x40
lr:
