Re: [PATCH v3 0/2] x86/xen: simplify irq pvops

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On 10/28/21 3:27 AM, Juergen Gross wrote:
The pvops function for Xen PV guests handling the interrupt flag are
much more complex than needed.

With the supported Xen hypervisor versions they can be simplified a
lot, especially by removing the need for disabling preemption.

Juergen Gross (2):
   x86/xen: remove xen_have_vcpu_info_placement flag
   x86/xen: switch initial pvops IRQ functions to dummy ones

  arch/x86/include/asm/paravirt_types.h |   2 +
  arch/x86/kernel/paravirt.c            |  13 ++-
  arch/x86/xen/enlighten.c              | 116 ++++++--------------------
  arch/x86/xen/enlighten_hvm.c          |   6 +-
  arch/x86/xen/enlighten_pv.c           |  28 ++-----
  arch/x86/xen/irq.c                    |  61 +-------------
  arch/x86/xen/smp.c                    |  24 ------
  arch/x86/xen/xen-ops.h                |   4 +-
  8 files changed, 53 insertions(+), 201 deletions(-)


Applied to for-linus-5.16


-boris

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