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Pekka Enberg authored
This patch makes SIGQUIT to the host hypervisor send 'SysRq-P' to the guest kernel via 8250 serial console to make debugging stuck guests easier. Cc: Asias He <asias.hejun@gmail.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Pekka Enberg <penberg@kernel.org>
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