[GIT PULL] Xen PV on HVM cleanups, fixes and improvements for2.6.39

From: Stefano Stabellini
Date: Tue Mar 15 2011 - 08:36:29 EST


Linus,
please pull this branch, based on Linux 2.6.38-rc6:

git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git for-linus

It contains several PV on HVM cleanups, refactoring and fixes,
especially in the area of suspend/resume.
It also enables the balloon driver, PV spinlocks and event channels for
IPI delivery when running as an HVM guest.


The list of changes with a diffstat follows:

Ian Campbell (11):
xen: do not respond to unknown xenstore control requests
xen: use new schedop interface for suspend
xen: switch to new schedop hypercall by default.
xen: suspend: use HYPERVISOR_suspend for PVHVM case instead of open coding
xen: suspend: refactor cancellation flag into a structure
xen: suspend: pass extra hypercall argument via suspend_info struct
xen: suspend: add "arch" to pre/post suspend hooks
xen: suspend: refactor non-arch specific pre/post suspend hooks
xen: suspend: move arch specific pre/post suspend hooks into generic hooks
xen: suspend: pull pre/post suspend hooks out into suspend_info
xen: suspend: remove xen_hvm_suspend

Stefano Stabellini (6):
xen: no need to delay xen_setup_shutdown_event for hvm guests anymore
xen: do not use xen_info on HVM, set pv_info name to "Xen HVM"
xen-blkfront: handle Xen major numbers other than XENVBD
xen: make the ballon driver work for hvm domains
xen: PV on HVM: support PV spinlocks and IPIs
xen: fix compile issue if XEN is enabled but XEN_PVHVM is disabled

arch/ia64/xen/suspend.c | 9 +--
arch/x86/include/asm/xen/hypercall.h | 15 +++-
arch/x86/xen/enlighten.c | 6 +-
arch/x86/xen/smp.c | 38 +++++++++
arch/x86/xen/suspend.c | 8 +-
arch/x86/xen/xen-ops.h | 2 +
drivers/block/xen-blkfront.c | 79 ++++++++++++++++-
drivers/xen/balloon.c | 14 ++-
drivers/xen/manage.c | 153 +++++++++++++++++++---------------
drivers/xen/platform-pci.c | 3 -
include/xen/interface/io/blkif.h | 21 +++++
include/xen/interface/xen.h | 4 +-
include/xen/xen-ops.h | 6 +-
13 files changed, 257 insertions(+), 101 deletions(-)

Cheers,

Stefano
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