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Message-ID: <49D25A42.7060300@goop.org>
Date: Tue, 31 Mar 2009 11:00:34 -0700
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Xen-devel <xen-devel@...ts.xensource.com>,
the arch/x86 maintainers <x86@...nel.org>
Subject: [GIT PULL] Xen for 2.6.30 #2
Hi Linus,
This is the second (and final) set of Xen updates for 2.6.30. This set
contains Xen dom0 support, which includes:
* adding to the existing Xen support to allow running as a
privileged domain
* some hooks into the apic setup code to allow Xen interrupts to get
routed properly
* a Xen implementation of the DMA ops API
* a Xen MTRR driver
* other misc things
These changes only hook into init/setup code, and will have no runtime
performance impact on native execution when CONFIG_PARAVIRT is enabled,
and are completely compiled out without it.
These changes are more or less unchanged since their first posting about
3-4 weeks ago. The x86 parts have been reviewed (mainly by HPA) and
considered not too objectionable.
I merged current linux-2.6 into my branch and sorted out the couple of
minor conflicts with recent changes, and merged in the previous changes
(the domU stuff). So if you pull this, you'll get the previous pull
with it; otherwise you can pull them in order. Uh, I couldn't work out
how to generate a shortlog+diffstat with just the dom0 set of changes,
so it includes some of the previous pull-requests changes as well.
(I realize now the previous pull request didn't have much of an
overview. The quick take is:
* allow lazy mmu updates to be preempted, removing some
preempt_disable sections
* general Xen core updates
* add /sys/hypervisor support
* add a /dev/xen/evtchn driver so usermode can wait for and send Xen
events)
Thanks,
J
The following changes since commit 15f7176eb1cccec0a332541285ee752b935c1c85:
Linus Torvalds (1):
Merge git://git.kernel.org/.../davem/net-2.6
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git for-linus/xen/merged
Alex Nixon (8):
Xen: Add virt_to_pfn helper function
xen: Don't disable the I/O space
xen: Allow unprivileged Xen domains to create iomap pages
Xen: Rename the balloon lock
xen: Add xen_create_contiguous_region
x86/PCI: Clean up pci_cache_line_size
x86/PCI: Enable scanning of all pci functions
Xen/x86/PCI: Add support for the Xen PCI subsytem
Christophe Saout (1):
paravirtualize IO permission bitmap
Gerd Hoffmann (2):
xen: set pirq name to something useful.
xen: fix legacy irq setup, make ioapic-less machines work.
Hannes Eder (1):
NULL noise: arch/x86/xen/smp.c
Ian Campbell (13):
xen: resume interrupts before system devices.
xen: disable PAT
xen/dom0: Use host E820 map
xen: implement XENMEM_machphys_mapping
xen: clear reserved bits in l3 entries given in the initial pagetables
xen: pre-initialize legacy irqs early
xen: add /proc/xen/xsd_{kva,port} to xenfs
swiotlb: range_needs_mapping should take a physical address.
swiotlb: do not use sg_virt()
xen swiotlb: fixup swiotlb is chunks smaller than MAX_CONTIG_ORDER
xen: add hooks for mapping phys<->bus addresses in swiotlb
xen/swiotlb: add hook for swiotlb_arch_range_needs_mapping
xen: enable swiotlb for xen domain 0.
Jeremy Fitzhardinge (74):
mm: disable preemption in apply_to_pte_range
x86/paravirt: remove lazy mode in interrupts
x86/pvops: replace arch_enter_lazy_cpu_mode with arch_start_context_switch
x86/paravirt: flush pending mmu updates on context switch
x86/paravirt: finish change from lazy cpu to context switch start/end
x86/paravirt: allow preemption with lazy mmu mode
mm: allow preemption in apply_to_pte_range
x86/paravirt: use percpu_ rather than __get_cpu_var
xen: disable preempt for leave_lazy_mmu
xen: separate p2m allocation from setting
xen: split construction of p2m mfn tables from registration
xen: clean up xen_load_gdt
xen: make xen_load_gdt simpler
xen: remove xen_load_gdt debug
xen: mask XSAVE from cpuid
x86-64: remove PGE from must-have feature list
x86-64: non-paravirt systems always has PSE and PGE
xen/mmu: some early pagetable cleanups
xen/mmu: weaken flush_tlb_other test
xen: set _PAGE_NX in __supported_pte_mask before pagetable construction
xen: clean up gate trap/interrupt constants
xen dom0: Make hvc_xen console work for dom0.
xen: add "capabilities" file
xen/dom0: use _PAGE_IOMAP in ioremap to do machine mappings
xen: allow enable use of VGA console on dom0
xen/dom0: add XEN_DOM0 config option
x86: make /dev/mem mappings _PAGE_IOMAP
x86: don't need "changed" parameter for set_io_bitmap()
xen: checkpatch cleanups
xen/dom0: handle acpi lapic parsing in Xen dom0
xen: hook io_apic read/write operations
xen: create dummy ioapic mapping
xen: implement pirq type event channels
x86/io_apic: add get_nr_irqs_gsi()
xen/apic: identity map gsi->irqs
xen: direct irq registration to pirq event channels
xen: bind pirq to vector and event channel
xen: don't setup acpi interrupt unless there is one
xen: use acpi_get_override_irq() to get triggering for legacy irqs
xen: initialize irq 0 too
xen: dynamically allocate irq & event structures
xen: disable MSI
xen/apic: checkpatch cleanups
xen: set cpu_callout_mask to make mtrr work
xen: set cpu_callout_mask in cpu_up
Merge branch 'for-linus/xen/xenfs' into for-linus/xen/dom0/xenfs
xen: add xen_set_domain_pte()
xen: add privcmd driver
xen/privcmd: create address space to allow writable mmaps
xen: add variable hypercall caller
xen/privcmd: clean up ioctls into their own functions
xen/privcmd: rearrange mmap ioctl to share code
xen/xenfs: set_page_dirty is supposed to return true if it dirties
xen/privcmd: print SIGBUS faults
xen/privcmd: make sure vma is ours before doing anything to it
xenbus: export xen_store_interface for xenfs
xen/xenfs: checkpatch cleanups
x86/pci: make sure _PAGE_IOMAP it set on pci mappings
xen/pci: clean up Kconfig a bit
xen: make sure swiotlb allocation is physically contigious
xen/swiotlb: use dma_alloc_from_coherent to get device coherent memory
swiotlb: use swiotlb_alloc_boot to allocate emergency pool
xen/swiotlb: improve comment on gfp flags in xen_alloc_coherent()
xen/swiotlb: add sync functions
pci-swiotlb: fix "no return in non-void function"
pci-swiotlb: remove __weak vs __weak binding
xen: checkpatch cleanups
x86: define arch_vm_get_page_prot to set _PAGE_IOMAP on VM_IO vmas
agp: use more dma-ops-like operations for agp memory
agp/intel: use dma_alloc_coherent for special cursor memory
Merge branches 'for-linus/xen/dom0/apic', 'for-linus/xen/dom0/pci', 'for-linus/xen/dom0/drm', 'for-linus/xen/dom0/mtrr' and 'for-linus/xen/dom0/xenfs' into for-linus/xen/dom0/master
Merge commit 'origin/master' into for-linus/xen/merged
xen/swiotlb: update to new new dma_ops
xen/apic: add pin argument to setup_ioapic_entry()
Juan Quintela (2):
xen dom0: Initialize xenbus for dom0.
xen dom0: Set up basic IO permissions for dom0.
Mark McLoughlin (5):
xen mtrr: Use specific cpu_has_foo macros instead of generic cpu_has()
xen mtrr: Use generic_validate_add_page()
xen mtrr: Implement xen_get_free_region()
xen mtrr: Add xen_{get,set}_mtrr() implementations
xen mtrr: Kill some unnecessary includes
Stephen Tweedie (2):
xen dom0: Add support for the platform_ops hypercall
xen mtrr: Add mtrr_ops support for Xen mtrr
arch/x86/Kconfig | 4 +
arch/x86/include/asm/agp.h | 15 +-
arch/x86/include/asm/io.h | 2 +
arch/x86/include/asm/io_apic.h | 7 +
arch/x86/include/asm/paravirt.h | 31 ++-
arch/x86/include/asm/pat.h | 5 +
arch/x86/include/asm/pci.h | 8 +-
arch/x86/include/asm/pci_x86.h | 2 +
arch/x86/include/asm/pgtable.h | 5 +
arch/x86/include/asm/processor.h | 4 +
arch/x86/include/asm/required-features.h | 8 +-
arch/x86/include/asm/thread_info.h | 2 +
arch/x86/include/asm/xen/hypercall.h | 25 ++
arch/x86/include/asm/xen/interface.h | 6 +-
arch/x86/include/asm/xen/interface_32.h | 5 +
arch/x86/include/asm/xen/interface_64.h | 13 +-
arch/x86/include/asm/xen/iommu.h | 12 +
arch/x86/include/asm/xen/page.h | 19 +-
arch/x86/include/asm/xen/pci.h | 13 +
arch/x86/kernel/acpi/boot.c | 18 +-
arch/x86/kernel/apic/io_apic.c | 37 ++-
arch/x86/kernel/cpu/mtrr/Makefile | 1 +
arch/x86/kernel/cpu/mtrr/amd.c | 1 +
arch/x86/kernel/cpu/mtrr/centaur.c | 1 +
arch/x86/kernel/cpu/mtrr/cyrix.c | 1 +
arch/x86/kernel/cpu/mtrr/generic.c | 1 +
arch/x86/kernel/cpu/mtrr/main.c | 11 +-
arch/x86/kernel/cpu/mtrr/mtrr.h | 7 +
arch/x86/kernel/cpu/mtrr/xen.c | 120 ++++++++
arch/x86/kernel/ioport.c | 29 ++-
arch/x86/kernel/kvm.c | 2 +-
arch/x86/kernel/paravirt.c | 57 ++--
arch/x86/kernel/pci-dma.c | 3 +
arch/x86/kernel/pci-swiotlb.c | 31 ++-
arch/x86/kernel/process.c | 27 +--
arch/x86/kernel/process_32.c | 2 +-
arch/x86/kernel/process_64.c | 2 +-
arch/x86/kernel/vmi_32.c | 20 +-
arch/x86/lguest/boot.c | 16 +-
arch/x86/mm/fault.c | 6 +-
arch/x86/mm/highmem_32.c | 2 -
arch/x86/mm/iomap_32.c | 1 -
arch/x86/mm/pageattr.c | 14 -
arch/x86/mm/pat.c | 7 +-
arch/x86/mm/pgtable.c | 10 +
arch/x86/pci/Makefile | 1 +
arch/x86/pci/common.c | 18 +-
arch/x86/pci/i386.c | 3 +
arch/x86/pci/init.c | 6 +
arch/x86/pci/xen.c | 51 +++
arch/x86/xen/Kconfig | 40 +++
arch/x86/xen/Makefile | 4 +-
arch/x86/xen/apic.c | 60 ++++
arch/x86/xen/enlighten.c | 150 ++++++++--
arch/x86/xen/mmu.c | 490 +++++++++++++++++++++++++++---
arch/x86/xen/mmu.h | 3 +
arch/x86/xen/pci.c | 86 ++++++
arch/x86/xen/setup.c | 50 +++-
arch/x86/xen/smp.c | 6 +-
arch/x86/xen/vga.c | 68 ++++
arch/x86/xen/xen-ops.h | 21 ++-
drivers/char/agp/intel-agp.c | 24 +-
drivers/char/hvc_xen.c | 99 ++++--
drivers/pci/Makefile | 2 +
drivers/pci/pci.h | 2 -
drivers/pci/xen-iommu.c | 331 ++++++++++++++++++++
drivers/xen/balloon.c | 15 +-
drivers/xen/events.c | 276 ++++++++++++++++-
drivers/xen/manage.c | 5 +-
drivers/xen/xenbus/xenbus_probe.c | 34 ++-
drivers/xen/xenfs/Makefile | 3 +-
drivers/xen/xenfs/privcmd.c | 442 +++++++++++++++++++++++++++
drivers/xen/xenfs/super.c | 115 +++++++-
drivers/xen/xenfs/xenfs.h | 3 +
drivers/xen/xenfs/xenstored.c | 67 ++++
include/asm-frv/pgtable.h | 4 +-
include/asm-generic/pgtable.h | 21 +-
include/linux/pci.h | 6 +
include/xen/Kbuild | 1 +
include/xen/events.h | 24 ++
include/xen/interface/memory.h | 92 ++++++
include/xen/interface/platform.h | 222 ++++++++++++++
include/xen/interface/xen.h | 41 +++
include/xen/privcmd.h | 80 +++++
include/xen/swiotlb.h | 20 ++
include/xen/xen-ops.h | 6 +
kernel/sched.c | 2 +-
lib/swiotlb.c | 5 +-
88 files changed, 3276 insertions(+), 336 deletions(-)
create mode 100644 arch/x86/include/asm/xen/iommu.h
create mode 100644 arch/x86/include/asm/xen/pci.h
create mode 100644 arch/x86/kernel/cpu/mtrr/xen.c
create mode 100644 arch/x86/pci/xen.c
create mode 100644 arch/x86/xen/apic.c
create mode 100644 arch/x86/xen/pci.c
create mode 100644 arch/x86/xen/vga.c
create mode 100644 drivers/pci/xen-iommu.c
create mode 100644 drivers/xen/xenfs/privcmd.c
create mode 100644 drivers/xen/xenfs/xenstored.c
create mode 100644 include/xen/Kbuild
create mode 100644 include/xen/interface/platform.h
create mode 100644 include/xen/privcmd.h
create mode 100644 include/xen/swiotlb.h
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