[meta-virtualization] [PATCH 1/4] linux-yocto: add kernel fragment and scc for xen dom0 kernel support.

[Bruce Ashfield]

On Sun, Sep 8, 2013 at 10:23 PM, Chris Patterson <cjp256 at gmail.com> wrote:
> Bruce,
>
> I'm working on a v2 of my patches and I was curious how would you like to
> handle the xen kernel fragment.
>
> Should I go back and make a patch suitable for linux-yocto and submit there?
> Or stage for meta-virtualization and submit again (with signoff and 3.10
> support)?

Let's keep it simple, submit everything here, and I can do the leg work to pull
it into linux-yocto as appropriate. It'll give me a goo chance to test
things as a
side effect!

Bruce

>
> Thanks,
> -Chris
>
>
> On Fri, Aug 30, 2013 at 1:32 AM, Bruce Ashfield <bruce.ashfield at gmail.com>
> wrote:
>>
>> On Thu, Aug 29, 2013 at 11:37 PM, Chris Patterson <cjp256 at gmail.com>
>> wrote:
>> > ---
>> >  recipes-kernel/linux/linux-yocto/xen.cfg |   53
>> > ++++++++++++++++++++++++++++++
>> >  recipes-kernel/linux/linux-yocto/xen.scc |    4 +++
>> >  2 files changed, 57 insertions(+)
>> >  create mode 100644 recipes-kernel/linux/linux-yocto/xen.cfg
>> >  create mode 100644 recipes-kernel/linux/linux-yocto/xen.scc
>> >
>> > diff --git a/recipes-kernel/linux/linux-yocto/xen.cfg
>> > b/recipes-kernel/linux/linux-yocto/xen.cfg
>> > new file mode 100644
>> > index 0000000..f9cfb6a
>> > --- /dev/null
>> > +++ b/recipes-kernel/linux/linux-yocto/xen.cfg
>>
>> Nice. The fragment looks good. I'd actually like to bump this up to the
>> level of
>> in-tree support that we have for KVM.
>>
>> And by that, I mean that I can merge this to the meta branch of the
>> linux-yocto
>> kernel (and also found in the tracking yocto-kernel-cache repository).
>>
>> Once there, it can be built and tested standalone, as well as shared by
>> other
>> feature fragments. You'd then be able to just enable it via a
>> KERNEL_FEATURES
>> entry, just like KVM.
>>
>> Cheers,
>>
>> Bruce
>>
>> > @@ -0,0 +1,53 @@
>> >
>> > +..........................................................................
>> > +.                                WARNING
>> > +.
>> > +. This file is a kernel configuration fragment, and not a full kernel
>> > +. configuration file.  The final kernel configuration is made up of
>> > +. an assembly of processed fragments, each of which is designed to
>> > +. capture a specific part of the final configuration (e.g. platform
>> > +. configuration, feature configuration, and board specific hardware
>> > +. configuration).  For more information on kernel configuration, please
>> > +. consult the product documentation.
>> > +.
>> >
>> > +..........................................................................
>> > +
>> > +CONFIG_PARAVIRT_GUEST=y
>> > +# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
>> > +CONFIG_XEN=y
>> > +CONFIG_XEN_DOM0=y
>> > +CONFIG_XEN_PRIVILEGED_GUEST=y
>> > +CONFIG_XEN_PVHVM=y
>> > +CONFIG_XEN_MAX_DOMAIN_MEMORY=500
>> > +CONFIG_XEN_SAVE_RESTORE=y
>> > +# CONFIG_XEN_DEBUG_FS is not set
>> > +CONFIG_PARAVIRT=y
>> > +# CONFIG_PARAVIRT_SPINLOCKS is not set
>> > +CONFIG_PARAVIRT_CLOCK=y
>> > +# CONFIG_PARAVIRT_DEBUG is not set
>> > +CONFIG_PCI_XEN=y
>> > +CONFIG_XEN_PCIDEV_FRONTEND=m
>> > +CONFIG_XEN_BLKDEV_FRONTEND=m
>> > +CONFIG_XEN_BLKDEV_BACKEND=m
>> > +CONFIG_XEN_NETDEV_FRONTEND=m
>> > +CONFIG_XEN_NETDEV_BACKEND=m
>> > +CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
>> > +CONFIG_HVC_XEN=y
>> > +CONFIG_HVC_XEN_FRONTEND=y
>> > +CONFIG_XEN_WDT=m
>> > +CONFIG_XEN_FBDEV_FRONTEND=y
>> > +# Xen driver support
>> > +CONFIG_XEN_BALLOON=y
>> > +CONFIG_XEN_SCRUB_PAGES=y
>> > +CONFIG_XEN_DEV_EVTCHN=m
>> > +CONFIG_XEN_BACKEND=y
>> > +CONFIG_XENFS=m
>> > +CONFIG_XEN_COMPAT_XENFS=y
>> > +CONFIG_XEN_SYS_HYPERVISOR=y
>> > +CONFIG_XEN_XENBUS_FRONTEND=y
>> > +CONFIG_XEN_GNTDEV=m
>> > +CONFIG_XEN_GRANT_DEV_ALLOC=m
>> > +CONFIG_SWIOTLB_XEN=y
>> > +CONFIG_XEN_PCIDEV_BACKEND=y
>> > +CONFIG_XEN_PRIVCMD=m
>> > +CONFIG_XEN_ACPI_PROCESSOR=m
>> > +CONFIG_PCI_STUB=y
>> > diff --git a/recipes-kernel/linux/linux-yocto/xen.scc
>> > b/recipes-kernel/linux/linux-yocto/xen.scc
>> > new file mode 100644
>> > index 0000000..6c68bda
>> > --- /dev/null
>> > +++ b/recipes-kernel/linux/linux-yocto/xen.scc
>> > @@ -0,0 +1,4 @@
>> > +define KFEATURE_DESCRIPTION "Xen Dom0 Support"
>> > +define KFEATURE_COMPATIBILITY board
>> > +
>> > +kconf non-hardware xen.cfg
>> > --
>> > 1.7.10.4
>> >
>> > _______________________________________________
>> > meta-virtualization mailing list
>> > meta-virtualization at yoctoproject.org
>> > https://lists.yoctoproject.org/listinfo/meta-virtualization
>>
>>
>>
>> --
>> "Thou shalt not follow the NULL pointer, for chaos and madness await
>> thee at its end"
>
>



-- 
"Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end"