[PATCH v2] powerpc/xmon: Also setup debugger hooks when single-stepping

Vaibhav Jain vaibhav at linux.vnet.ibm.com
Thu May 24 04:21:45 AEST 2018


Michal Suchanek <msuchanek at suse.de> writes:

> When single-stepping kernel code from xmon without a debug hook enabled
> the kernel crashes. This can happen when kernel starts with xmon on
> crash disabled but xmon is entered using sysrq.
>
> Call force_enable_xmon when single-stepping in xmon to install the xmon
> debug hooks.
>
> Fixes: e1368d0c9edb ("powerpc/xmon: Setup debugger hooks when first
> break-point is set")
>
> Signed-off-by: Michal Suchanek <msuchanek at suse.de>
> ---
LGTM,

Reviewed-by: Vaibhav Jain <vaibhav at linux.ibm.com>

-- 
Vaibhav Jain <vaibhav at linux.ibm.com>
Linux Technology Center, IBM India Pvt. Ltd.



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