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[GIT PULL] xen: branch for v5.15-rc1


Please git pull the following tag:


xen: branch for v5.15-rc1

It contains the following changes:

- some small cleanups
- a fix for a bug when running as Xen PV guest which could result in
  not all memory being transferred in case of a migration of the guest
- a small series for getting rid of code for supporting very old Xen
  hypervisor versions nobody should be using since many years now
- a series for hardening the Xen block frontend driver
- a fix for Xen PV boot code issuing warning messages due to a stray
  preempt_disable() on the non-boot processors



 arch/x86/xen/enlighten_pv.c        |  12 +---
 arch/x86/xen/mmu_pv.c              |   4 +-
 arch/x86/xen/p2m.c                 |   4 +-
 arch/x86/xen/platform-pci-unplug.c |  16 ++---
 arch/x86/xen/smp_pv.c              |   1 -
 drivers/block/xen-blkfront.c       | 126 ++++++++++++++++++++++++-------------
 drivers/pci/xen-pcifront.c         |  30 +++++----
 drivers/xen/features.c             |  18 ++++++
 drivers/xen/gntdev.c               |  36 +----------
 drivers/xen/xenbus/xenbus_client.c |   9 +--
 10 files changed, 141 insertions(+), 115 deletions(-)

Jing Yangyang (1):
      drivers/xen/xenbus/xenbus_client.c: fix bugon.cocci warnings

Juergen Gross (9):
      xen: fix setting of max_pfn in shared_info
      xen: check required Xen features
      xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests
      xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
      xen/blkfront: read response from backend only once
      xen/blkfront: don't take local copy of a request from the ring page
      xen/blkfront: don't trust the backend response data blindly
      xen: remove stray preempt_disable() from PV AP startup code

Sergio Miguéns Iglesias (1):
      xen/pcifront: Removed unnecessary __ref annotation

zhaoxiao (1):
      x86: xen: platform-pci-unplug: use pr_err() and pr_warn() instead of raw 



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