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Re: [Xen-devel] [PATCH v3 0/4] xen/arm: Inject an exception to the guest rather than crashing it

On 02/02/2018 22:48, Stefano Stabellini wrote:
Committed, thanks

I know you acked/reviewed all the patches, but it would have been nice to wait/give more feedback regarding Andre's valid point on patch #4.


On Fri, 2 Feb 2018, Julien Grall wrote:
Hi all,

This small series replaces all call to domain_crash_synchronous by injecting
an exception to the guest.

This will result to a nicer trace from the guest (no need to manually walk
the stack) and give a chance to the guest to give a bit more information on
what it was doing.


Julien Grall (4):
   xen/arm: traps: Merge try_handle_mmio() and handle_mmio()
   xen/arm: io: Distinguish unhandled IO from aborted one
   xen/arm: Don't crash domain on bad MMIO emulation
   xen/arm: Don't crash the domain on invalid HVC immediate

  xen/arch/arm/io.c          | 65 ++++++++++++++++++++++++++++++++---------
  xen/arch/arm/traps.c       | 72 +++++++++++++++-------------------------------
  xen/arch/arm/vgic-v2.c     |  2 --
  xen/arch/arm/vgic-v3-its.c |  3 --
  xen/arch/arm/vgic-v3.c     |  8 ------
  xen/arch/arm/vpl011.c      |  2 --
  xen/include/asm-arm/mmio.h | 11 ++++++-
  7 files changed, 84 insertions(+), 79 deletions(-)


Julien Grall

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