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SubjectRe: [PATCH 0/6][v2] Hybrid extension for Xen guest
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--
regards
Yang, Sheng

On Tuesday 02 February 2010 16:19:01 Sheng Yang wrote:
> Hi, Jeremy & Keir
>
> Here is the second version of patchset to enable Xen Hybrid extension
> support in Linux kernel.
>
> The Hybrid Extension is started from real mode like HVM guest, but also
> with a a range of PV features(e.g. PV halt, PV timer, event channel, as
> well as PV drivers). So guest with Hybrid extension feature can takes the
> advantages of both H/W virtualization and Para-Virtualization.
>
> The first two of the patchset imported several header file from Jeremy's
> tree and Xen tree, respect to Jeremy and Keir's works.
>
> The whole patchset based on Linux upstream.
>
> Current the patchset support x86_64 only.
>
> The major change from v1:
> 1. SMP support.
> 2. Modify the entrance point to avoid most of genernic kernel modification.
> 3. Binding PV timer with event channel mechanism.
>
> You need a line like:
>
> cpuid = [ '0x40000002:edx=0x3' ]
>
> in HVM configuration file to expose hybrid feature to guest, and
>
> CONFIG_XEN
>
> in the guest kernel configuration file to enable the hybrid support.
>
> And the compiled image can be used as native/pv domU/hvm guest/hybrid
> kernel.
>
> Comments are welcome!
>
> BTW: For the MSI/MSI-X support, pv_ops dom0 can share the solution with
> hybrid. We would try to figure out a elegant way to deal with it later.
>
> --
> regards
> Yang, Sheng
>
> --
> arch/x86/include/asm/xen/cpuid.h | 73 +++++++++++++
> arch/x86/include/asm/xen/hypercall.h | 6 +
> arch/x86/kernel/setup.c | 8 ++
> arch/x86/xen/enlighten.c | 192
> ++++++++++++++++++++++++++++++++++ arch/x86/xen/irq.c |
> 54 ++++++++++
> arch/x86/xen/smp.c | 144 +++++++++++++++++++++++++-
> arch/x86/xen/xen-head.S | 6 +
> arch/x86/xen/xen-ops.h | 4 +
> drivers/block/xen-blkfront.c | 3 +
> drivers/input/xen-kbdfront.c | 4 +
> drivers/net/xen-netfront.c | 3 +
> drivers/video/xen-fbfront.c | 4 +
> drivers/xen/events.c | 66 +++++++++++-
> drivers/xen/grant-table.c | 67 ++++++++++++-
> drivers/xen/xenbus/xenbus_probe.c | 23 ++++-
> include/xen/events.h | 1 +
> include/xen/hvm.h | 28 +++++
> include/xen/interface/hvm/hvm_op.h | 79 ++++++++++++++
> include/xen/interface/hvm/params.h | 111 ++++++++++++++++++++
> include/xen/interface/xen.h | 6 +-
> include/xen/xen.h | 12 ++
> 21 files changed, 883 insertions(+), 11 deletions(-)
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>


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