Re:[Xen-devel] [PATCH v2 0/6] Xen PV on HVM fixes and improvements

[topperxin <topperxin@xxxxxxx>]

Hi stefano,

   It's very great of your work.I think it't useful 

to me, I have checked it out, and I will study it.

  What I care mostly is the pv-on-hvm drivers, now 

my main work is port pvonhvm drivers to various guest

OS, no matter what OS version, such as ubuntu 10.10, 

debian 505 etc. But I found this work is difficult & 

boring to me, I can't find a general method which can 

easily port the pvonhvm drivers to all kinds guest os.

Do you have any good ideas?

   I found there are not platform-pci source in your 

project, as we know, in the old pvonhvm drivers version,

platform-pci module is important, it was used to establish

the communication mechanism, such as xenbus, evtchn,etc, 

could you please tell me how can you get rid of it? and how 

can you substitute platform-pci, with which?

    Thanks a lot.

At 2011-02-26 01:11:33£¬"Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx> wrote:

>Hi all,
>this patch series is a collection of fixes and improvements for Linux
>running as Xen PV on HVM guest.
>Changes to the previous version:
>
>- patch 5 and 6 have been squashed together;
>
>- xen_hvm_spinlock_init has been merged into xen_hvm_smp_prepare_cpus.
>
>
>The list of patches with diffstat follows:
>
>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/x86/xen/enlighten.c         |    6 ++-
> arch/x86/xen/smp.c               |   38 ++++++++++++++++++
> arch/x86/xen/suspend.c           |    2 +
> arch/x86/xen/xen-ops.h           |    2 +
> drivers/block/xen-blkfront.c     |   79 +++++++++++++++++++++++++++++++++++--
> drivers/xen/balloon.c            |   14 ++++--
> drivers/xen/manage.c             |   17 ++------
> drivers/xen/platform-pci.c       |    3 -
> include/xen/interface/io/blkif.h |   21 ++++++++++
> 9 files changed, 154 insertions(+), 28 deletions(-)
>
>A branch with these patches on 2.6.38-rc6 is available here:
>
>git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.38-rc6-pvhvm
>
>Cheers,
>
>Stefano
>
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