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Subject[PATCH RFC 0/4] xen/pvhvm: fix shared_info and pirq issues with kexec
Date
With this patch series I'm trying to address several issues with kexec on pvhvm:
- shared_info issue (1st patch, just sending Olaf's work with Konrad's fix)
- create specific pvhvm shutdown handler for kexec (2nd patch)
- GSI PIRQ issue (3rd patch, I'm pretty confident that it does the right thing)
- MSI PIRQ issue (4th patch, and I'm not sure it doesn't break anything -> RFC)

This patch series can be tested on single vCPU guest. We still have SMP issues with
pvhvm guests and kexec which require additional fixes.

Olaf Hering (1):
xen PVonHVM: use E820_Reserved area for shared_info

Vitaly Kuznetsov (3):
xen/pvhvm: Introduce xen_pvhvm_kexec_shutdown()
xen/pvhvm: Unmap all PIRQs on startup and shutdown
xen/pvhvm: Make MSI IRQs work after kexec

arch/x86/pci/xen.c | 3 +-
arch/x86/xen/enlighten.c | 83 +++++++++++++++++++++++++++++++---------
arch/x86/xen/smp.c | 10 +++++
arch/x86/xen/smp.h | 1 +
arch/x86/xen/suspend.c | 2 +-
arch/x86/xen/xen-ops.h | 2 +-
drivers/xen/events/events_base.c | 76 ++++++++++++++++++++++++++++++++++++
include/xen/events.h | 3 ++
8 files changed, 158 insertions(+), 22 deletions(-)

--
1.9.3



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