[v4, 1/3] powerpc/xmon: Fix an unexpected xmon on/off state change

[Michael Ellerman]

On Wed, 2017-03-22 at 19:27:49 UTC, "Guilherme G. Piccoli" wrote:
> From: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com>
> 
> Once xmon is triggered by sysrq-x, it is enabled always afterwards even
> if it is disabled during boot. This will cause a system reset interrupt
> fail to dump. So keep xmon in its original state after exit.
> 
> We have several ways to set xmon on or off.
> 1) by a build config CONFIG_XMON_DEFAULT.
> 2) by a boot cmdline with xmon or xmon=early or xmon=on to enable xmon
> and xmon=off to disable xmon. This value will override that in step 1.
> 3) by a debugfs interface, as proposed in this patchset.
> And this value can override those in step 1 and 2.
> 
> Signed-off-by: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli at linux.vnet.ibm.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/3b5bf42b81d56085fd58692b5117f6

cheers