> Linus,
> I have two patch series that I would like you to pull:
>
> PV on HVM: receive interrupts as xen events [1]
> xen: initial domain support [2]
>
> Please pull from the following branch:
>
> git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git for-linus
>
> it contains both series rebased on Konrad's xen-pcifront series [3]
> (they depend on it, unfortunately I cannot produce a working series
> without it) on Linux 2.6.36 rc8; my two patch series start after git
> commit 67ba37293e938208795d6a3562201bdb0cf43393.
>
> The first patch series introduces some performance improvements for Xen
> PV on HVM guests: interacting with the emulated APIC is slow because it
> causes traps in the hypervisor while receiving Xen events using the
> vector callback mechanism allow us to skip all that. For this reason we
> remap interrupts and MSIs into Xen pirqs so that from that point on we
> can receive them as Xen events instead.
>
> The second patch series implements the basic support needed to boot
> Linux as initial domain on Xen: the target is not to add full featured
> dom0 support in the kernel but to be able to boot Linux on Xen on
> native.
>
> I have just added a last minute fix at end to solve a vcpu
> initialization problem for pv guests (they would see only a single vcpu
> even though they are given more than one [4]).
>
>
> All together the two series introduce the following changes:
>
> Jeremy Fitzhardinge (5):
> acpi: use indirect call to register gsi in different modes
> xen: add xen hvm acpi_register_gsi variant
> xen: remap GSIs as pirqs when running as initial domain
> xen: map a dummy page for local apic and ioapic in xen_set_fixmap
> xen: make hvc_xen console work for dom0.
>
> Juan Quintela (2):
> xen: Initialize xenbus for dom0.
> xen: add the direct mapping area for ISA bus access
>
> Qing He (1):
> xen: remap MSIs into pirqs when running as initial domain
>
> Stefano Stabellini (10):
> xen: support pirq != irq
> xen: get the maximum number of pirqs from xen
> xen: implement xen_hvm_register_pirq
> xen: support GSI -> pirq remapping in PV on HVM guests
> xen: map MSIs into pirqs
> xen: introduce XEN_DOM0 as a silent option
> xen: use vcpu_ops to setup cpu masks
> xen: mask the MTRR feature from the cpuid
> xen: add a missing #include to arch/x86/pci/xen.c
> xen: initialize cpu masks for pv guests in xen_smp_init
>
> arch/x86/include/asm/acpi.h | 3 +
> arch/x86/include/asm/xen/pci.h | 12 ++
> arch/x86/kernel/acpi/boot.c | 60 +++++--
> arch/x86/pci/xen.c | 308 ++++++++++++++++++++++++++++++++++--
> arch/x86/xen/Kconfig | 10 ++
> arch/x86/xen/enlighten.c | 2 +
> arch/x86/xen/mmu.c | 47 ++++++-
> arch/x86/xen/setup.c | 3 +
> arch/x86/xen/smp.c | 26 +++
> drivers/char/hvc_xen.c | 98 ++++++++----
> drivers/xen/events.c | 195 +++++++++++++++++++++---
> drivers/xen/xenbus/xenbus_probe.c | 29 ++++-
> include/xen/events.h | 8 +
> include/xen/interface/features.h | 3 +
> include/xen/interface/physdev.h | 46 ++++++
> 15 files changed, 758 insertions(+), 92 deletions(-)
>
> Cheers,
>
> Stefano
>
> ---
> [1]
http://lkml.org/lkml/2010/10/12/246
> [2]
http://lkml.org/lkml/2010/10/19/199
> [3]
http://lkml.org/lkml/2010/10/26/231
> [4]
http://lkml.org/lkml/2010/10/26/369
> --
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