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[Xen-devel] Re: [GIT PULL] xen PV on HVM and initial domain

Hi Linus, Did you see this pull request? I approve of it, if that's what you're looking for. Thanks, J On 10/27/2010 11:08 AM, Stefano Stabellini wrote: > Linus, > I added another commit at the end of the branch to fix MSI setup issues > when Linux is running as initial domain on Xen. > The shortlog and the diffstat are slightly different now: > > 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 > > Weidong Han (1): > xen: register xen pci notifier > > 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/Makefile | 1 + > drivers/xen/events.c | 195 +++++++++++++++++++++--- > drivers/xen/pci.c | 117 ++++++++++++++ > drivers/xen/xenbus/xenbus_probe.c | 29 ++++- > include/xen/events.h | 8 + > include/xen/interface/features.h | 3 + > include/xen/interface/physdev.h | 67 ++++++++ > 17 files changed, 897 insertions(+), 92 deletions(-) > > > The branch is still: > > git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git for-linus > > otherwise if you prefer the old branch, without this commit, pull this: > > git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git > 2.6.36-rc8-initial-domain-v7 > > > Many thanks in advance, > > Stefano > > On Tue, 26 Oct 2010, Stefano Stabellini wrote: >> 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 >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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