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19194169 |
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01-Jan-2020 |
zhenwei pi <pizhenwei@bytedance.com> |
misc: pvpanic: add crash loaded event Some users prefer kdump tools to generate guest kernel dumpfile, at the same time, need a out-of-band kernel panic event. Currently if booting guest kernel with 'crash_kexec_post_notifiers', QEMU will receive PVPANIC_PANICKED event and stop VM. If booting guest kernel without 'crash_kexec_post_notifiers', guest will not call notifier chain. Add PVPANIC_CRASH_LOADED bit for pvpanic event, it means that guest kernel actually hit a kernel panic, but the guest kernel wants to handle by itself. Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Link: https://lore.kernel.org/r/20200102023513.318836-3-pizhenwei@bytedance.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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e0b9a427 |
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01-Jan-2020 |
zhenwei pi <pizhenwei@bytedance.com> |
misc: pvpanic: move bit definition to uapi header file Some processes outside of the kernel(Ex, QEMU) should know what the value really is for, so move the bit definition to a uapi file. Suggested-by: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Link: https://lore.kernel.org/r/20200102023513.318836-2-pizhenwei@bytedance.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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