This patchset is to fix triggering NMI watchdog during dump timer info
on the huge machine with a mount of physical cpus. Detail please see
change log of Patch 1.

Previous discussion:

Change since V1:
        Add "async" param for handle_keypress() to identify
whether run nonirq keyhandler in tasklet or not. This is to
avoid processing debugkey sysctl asynchronously.

Lan Tianyu (2):
  Xen/Keyhandler: Rework process of nonirq keyhandler
  Xen/timer: Process softirq during dumping timer info

 xen/common/keyhandler.c      |    8 +++++---
 xen/common/sysctl.c          |    2 +-
 xen/common/timer.c           |    1 +
 xen/drivers/char/console.c   |    2 +-
 xen/include/xen/keyhandler.h |    4 +++-
 5 files changed, 11 insertions(+), 6 deletions(-)

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