linux-kernel - [GIT PULL] xen: fixes for 4.18-rc2

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Message-Id: <20180622145112.21586-1-jgross@suse.com>
Date:   Fri, 22 Jun 2018 16:51:12 +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 for 4.18-rc2

Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.18-rc2-tag

xen: fixes for 4.18-rc2

It contains the following fixes/cleanups:

- the removal of a BUG_ON() which wasn't necessary and which could
  trigger now due to a recent change

- a correction of a long standing bug happening very rarely in Xen
  dom0 when a hypercall buffer from user land was not accessible by
  the hypervisor for very short periods of time due to e.g. page
  migration or compaction

- usage of EXPORT_SYMBOL_GPL() instead EXPORT_SYMBOL() in a Xen-related
  driver (no breakage possible as using those symbols without others
  already exported via EXPORT-SYMBOL_GPL() wouldn't make any sense)

- a simplification for Xen PVH or Xen ARM guests

- some additional error handling for callers of xenbus_printf()


Thanks.

Juergen

 arch/arm/xen/enlighten.c         |   7 +-
 arch/x86/xen/enlighten.c         |   7 ++
 arch/x86/xen/enlighten_pv.c      |   1 +
 arch/x86/xen/enlighten_pvh.c     |   1 +
 drivers/scsi/xen-scsifront.c     |  33 ++++--
 drivers/xen/Makefile             |   2 +-
 drivers/xen/events/events_base.c |   2 -
 drivers/xen/grant-table.c        |   4 +-
 drivers/xen/manage.c             |  18 +++-
 drivers/xen/privcmd-buf.c        | 210 +++++++++++++++++++++++++++++++++++++++
 drivers/xen/privcmd.c            |   9 ++
 drivers/xen/privcmd.h            |   3 +
 drivers/xen/xen-scsiback.c       |  16 ++-
 include/xen/xen.h                |   6 +-
 14 files changed, 297 insertions(+), 22 deletions(-)

Boris Ostrovsky (1):
      xen: Remove unnecessary BUG_ON from __unbind_from_irq()

Juergen Gross (2):
      xen: add new hypercall buffer mapping device

Oleksandr Andrushchenko (1):
      xen/grant-table: Export gnttab_{alloc|free}_pages as GPL

Roger Pau Monne (1):
      xen: share start flags between PV and PVH

Zhouyang Jia (3):
      xen: add error handling for xenbus_printf
      scsi: xen-scsifront: add error handling for xenbus_printf
      xen/scsiback: add error handling for xenbus_printf