linux-kernel - [GIT PULL] xen: fixes and features for 5.3-rc1

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Date:   Fri, 19 Jul 2019 08:09:25 +0200
From:   Juergen Gross <jgross@...e.com>
To:     torvalds@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
        boris.ostrovsky@...cle.com
Subject: [GIT PULL] xen: fixes and features for 5.3-rc1

Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-5.3a-rc1-tag

xen: fixes and features for 5.3-rc1

It contains:

- A series to introduce a common command line parameter for disabling
  paravirtual extensions when running as a guest in virtualized
  environment

- A fix for int3 handling in Xen pv guests

- Removal of the Xen-specific tmem driver as support of tmem in Xen
  has been dropped (and it was experimental only)

- A security fix for running as Xen dom0 (XSA-300)

- A fix for IRQ handling when offlining cpus in Xen guests

- Some small cleanups


Thanks.

Juergen

 Documentation/admin-guide/kernel-parameters.txt |  28 +-
 arch/x86/entry/entry_64.S                       |   1 -
 arch/x86/include/asm/hypervisor.h               |  12 +
 arch/x86/include/asm/traps.h                    |   2 +-
 arch/x86/include/asm/x86_init.h                 |   2 +
 arch/x86/include/asm/xen/hypervisor.h           |   6 +-
 arch/x86/kernel/cpu/hypervisor.c                |  19 +-
 arch/x86/kernel/jailhouse.c                     |   1 +
 arch/x86/kernel/smpboot.c                       |   3 +-
 arch/x86/kernel/x86_init.c                      |   4 +-
 arch/x86/xen/enlighten_hvm.c                    |  58 ++-
 arch/x86/xen/enlighten_pv.c                     |   3 +-
 arch/x86/xen/spinlock.c                         |   6 +-
 arch/x86/xen/xen-asm_64.S                       |   1 -
 drivers/xen/Kconfig                             |  23 -
 drivers/xen/Makefile                            |   2 -
 drivers/xen/balloon.c                           |  16 +-
 drivers/xen/events/events_base.c                |  12 +-
 drivers/xen/evtchn.c                            |   2 +-
 drivers/xen/tmem.c                              | 419 -----------------
 drivers/xen/xen-balloon.c                       |   2 -
 drivers/xen/xen-selfballoon.c                   | 579 ------------------------
 include/xen/balloon.h                           |  10 -
 include/xen/events.h                            |   3 +-
 include/xen/tmem.h                              |  18 -
 25 files changed, 112 insertions(+), 1120 deletions(-)

Juergen Gross (3):
      xen/events: fix binding user event channels to cpus
      xen: remove tmem driver
      xen: let alloc_xenballooned_pages() fail if not enough memory free

Zhenzhong Duan (7):
      Revert "x86/paravirt: Set up the virt_spin_lock_key after static keys get initialized"
      x86/xen: Mark xen_hvm_need_lapic() and xen_x2apic_para_available() as __init
      x86: Add "nopv" parameter to disable PV extensions
      xen: Map "xen_nopv" parameter to "nopv" and mark it obsolete
      x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable
      x86/xen: Add "nopv" support for HVM guest
      xen/pv: Fix a boot up hang revealed by int3 self test