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xen-users
[Xen-users] Re: [Xen-devel] Linux 2.6.39 - what Xen components went in.
Great work everyone. :)
I assume this means that drivers/block/xen-blkback.c is the last major
milestone to be pushed upstream?
Joseph.
On 14 May 2011 00:36, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> Linus is probably going to release v2.6.39 soon-ish so I figured I would
> update everybody on what went in (and a lot did).
>
> The features that ultimately went in are:
> - Netback (drivers/net/xen-netback). This is a big accomplishment since it
> means that stock v2.6.39 has now a full stack to run guests (the QEMU qdisk
> can serve as blkback backend).
> - PVonHVM can now use PV spinlocks.
> - /dev/gntalloc, which is a driver that can be used from userspace to
> allocate
> pages to be shared with guests.
> - Xen Watchdog driver (/dev/watchdog) which has the same API as any watchdog
> driver.
> - 1-1 identity mapping in P2M. Allows us to automatically figure out if
> a page is for an I/O hole or not based on the E820 (means certain drivers
> work now)
> - IRQ code has been reworked to be dynamic so that we are not limited to
> running
> 155 guests.
> - Making the balloon driver ready for memory hotplug patches and gntalloc.
> - Lots and lots of cleanup patches.
>
> Bugs that were fixed:
> - Handling of guests events has become round-robin, hence fixing the
> starvation
> issue of later guests not having their services served.
> - Save and Restore works now.
> - Bootup crashes that occurred only if you had some CONFIG_ defined and some
> not.
> (Which had been in the tree since .. oh 2002?). Finally resolved.
> - Usual merge window bugs. The resolution of some took way too long.
> - Bug fixes in xen-kbdfront, xen-netfront, xen-pcifront, and xen-blkfront.
> - Bug fixes also in Xen IRQ, Xen P2M, and in Xen E820 handling.
> - and many more...
>
> The feature that was going and, but had to be reverted was:
> - Making the TTM layer use the DMA API. This would have allowed us to use the
> radeon/nouveau driver under Xen without trouble.
>
> The full list of credits is as follow:
>
> Alexander van Heukelum (1):
> x86, binutils, xen: Fix another wrong size directive
>
> Dan Carpenter (2):
> xen-gntdev: return -EFAULT on copy_to_user failure
> xen-gntdev: unlock on error path in gntdev_mmap()
>
> Daniel De Graaf (18):
> xen-gntdev: Change page limit to be global instead of per-open
> xen-gntdev: Use find_vma rather than iterating our vma list manually
> xen-gntdev: Add reference counting to maps
> xen-gntdev: Support mapping in HVM domains
> xen-gntalloc: Userspace grant allocation driver
> xen/gntalloc,gntdev: Add unmap notify ioctl
> xen-gntdev: Fix memory leak when mmap fails
> xen-gntdev: Fix unmap notify on PV domains
> xen-gntdev: Use map->vma for checking map validity
> xen-gntdev: Avoid unmapping ranges twice
> xen-gntdev: Avoid double-mapping memory
> xen-gntdev: prevent using UNMAP_NOTIFY_CLEAR_BYTE on read-only mappings
> xen-gntdev: Fix incorrect use of zero handle
> xen-gntdev: Add cast to pointer
> xen-balloon: Move core balloon functionality out of module
> xen-gntdev: Use ballooned pages for grant mappings
> Input: xen-kbdfront - add grant reference for shared page
> xen/p2m: Allocate p2m tracking pages on override
>
> Daniel Kiper (3):
> xen/balloon: Removal of driver_pages
> xen/balloon: Migration from mod_timer() to schedule_delayed_work()
> xen/balloon: Protect against CPU exhaust by event/x process
>
> Dave Airlie (2):
> Merge branch 'stable/ttm.pci-api.v5' of
> git://git.kernel.org/.../konrad/xen into drm-next
> drm/radeon/nouveau: fix build regression on alpha due to Xen changes.
>
> David S. Miller (1):
> Merge branch 'stable/backends' of git://git.kernel.org/.../konrad/xen
>
> Dmitry Torokhov (1):
> Input: xen-kbdfront - move to drivers/input/misc
>
> Eric Dumazet (1):
> xen: netfront: fix xennet_get_ethtool_stats()
>
> H. Peter Anvin (1):
> x86, hibernate: Initialize mmu_cr4_features during boot
>
> Ian Campbell (56):
> xen: events: mark cpu_evtchn_mask_p as __refdata
> xen p2m: annotate variable which appears unused
> xen: annotate functions which only call into __init at start of day
> xen: do not respond to unknown xenstore control requests
> xen: use new schedop interface for suspend
> xen: switch to new schedop hypercall by default.
> xen: suspend: use HYPERVISOR_suspend for PVHVM case instead of open
> coding
> xen: suspend: refactor cancellation flag into a structure
> xen: suspend: pass extra hypercall argument via suspend_info struct
> xen: suspend: add "arch" to pre/post suspend hooks
> xen: suspend: refactor non-arch specific pre/post suspend hooks
> xen: suspend: move arch specific pre/post suspend hooks into generic
> hooks
> xen: suspend: pull pre/post suspend hooks out into suspend_info
> xen: suspend: remove xen_hvm_suspend
> xen/irq: implement bind_interdomain_evtchn_to_irqhandler for backend
> drivers
> xen: ia64 build broken due to "xen: switch to new schedop hypercall by
> default."
> xen: handled remapped IRQs when enabling a pcifront PCI device.
> xen:events: move find_unbound_irq inside CONFIG_PCI_MSI
> xen: events: add xen_allocate_irq_{dynamic, gsi} and xen_free_irq
> xen: events: allocate GSIs and dynamic IRQs from separate IRQ ranges.
> xen: events: do not free legacy IRQs
> xen: Fix compile error introduced by "switch to new irq_chip functions"
> xen/timer: Missing IRQF_NO_SUSPEND in timer code broke suspend.
> xen/p2m/m2p/gnttab: do not add failed grant maps to m2p override
> xen: gntdev: fix build warning
> xen: pci: only define xen_initdom_setup_msi_irqs if CONFIG_XEN_DOM0
> xen: events: do not leak IRQ from xen_allocate_pirq_msi when no pirq
> available.
> xen: events: drop XEN_ALLOC_IRQ flag to xen_allocate_pirq_msi
> xen: events: return irq from xen_allocate_pirq_msi
> xen: pci: collapse apic_register_gsi_xen_hvm and xen_hvm_register_pirq
> xen: events: assume PHYSDEVOP_get_free_pirq exists
> xen: events: separate MSI PIRQ allocation from PIRQ binding to IRQ
> xen: events: refactor xen_create_msi_irq slightly
> xen: events: update pirq_to_irq in xen_create_msi_irq
> xen: events: push set_irq_msi down into xen_create_msi_irq
> xen: events: use xen_bind_pirq_msi_to_irq from xen_create_msi_irq
> xen: events: remove dom0 specific xen_create_msi_irq
> xen: events: Make last processed event channel a per-cpu variable.
> xen: events: separate two unrelated halves of if condition
> xen: events: simplify comment
> xen: events: fix xen_map_pirq_gsi error return
> xen: events: remove unused public functions
> xen: events: rename restore_cpu_pirqs -> restore_pirqs
> xen: events: refactor GSI pirq bindings functions
> xen: events: use per-cpu variable for cpu_evtchn_mask
> xen: events: turn irq_info constructors into initialiser functions
> xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into
> irq_info init functions
> xen: events: maintain a list of Xen interrupts
> xen: events: dynamically allocate irq info structures
> xen: events: remove use of nr_irqs as upper bound on number of pirqs
> xen: events: do not workaround too-small nr_irqs
> xen: events: propagate irq allocation failure instead of panicking
> xen: events: correct locking in xen_irq_from_pirq
> xen: netfront: ethtool stats fields should be unsigned long
> xen network backend driver
> MAINTAINERS: re-alphabetize Xen entries
>
> Igor Mammedov (1):
> Input: xen-kbdfront - fix mouse getting stuck after save/restore
>
> Jan Beulich (1):
> watchdog: Xen watchdog driver
>
> Jeremy Fitzhardinge (1):
> xen: just completely disable XSAVE
>
> John Stultz (1):
> RTC: Fix early irqs caused by calling rtc_set_alarm too early
>
> Kazuhiro SUZUKI (1):
> xen: xenbus PM events support
>
> Keir Fraser (3):
> xen: events: Clean up round-robin evtchn scan.
> xen: events: Make round-robin scan fairer by snapshotting each l2 word
> once only
> xen: events: Remove redundant clear of l2i at end of round-robin loop
>
> Konrad Rzeszutek Wilk (31):
> [IA64] Add DMA_ERROR_CODE define.
> ttm: Introduce a placeholder for DMA (bus) addresses.
> ttm: Utilize the DMA API for pages that have TTM_PAGE_FLAG_DMA32 set.
> ttm: Expand (*populate) to support an array of DMA addresses.
> xen-pcifront: Sanity check the MSI/MSI-X values
> pci/xen: Use xen_allocate_pirq_msi instead of xen_allocate_pirq
> pci/xen: Cleanup: convert int** to int[]
> pci/xen: When free-ing MSI-X/MSI irq->desc also use generic code.
> radeon/ttm/PCIe: Use dma_addr if TTM has set it.
> nouveau/ttm/PCIe: Use dma_addr if TTM has set it.
> ttm: Include the 'struct dev' when using the DMA API.
> xen: Mark all initial reserved pages for the balloon as
> INVALID_P2M_ENTRY.
> Merge branch 'irq/for-xen' of git://git.kernel.org/.../tip/linux-2.6-tip
> into HEAD
> xen/irq: Cleanup up the pirq_to_irq for DomU PV PCI passthrough guests
> as well.
> xen/hvc: Disable probe_irq_on/off from poking the hvc-console IRQ line.
> Merge branch 'stable/irq.rework' into stable/irq.cleanup
> Merge branch 'stable/pcifront-fixes' into stable/irq.cleanup
> xen/e820: Don't mark balloon memory as E820_UNUSABLE when running as
> guest and fix overflow.
> xen/mmu: Add the notion of identity (1-1) mapping.
> xen/mmu: Set _PAGE_IOMAP if PFN is an identity PFN.
> xen/mmu: WARN_ON when racing to swap middle leaf.
> xen/setup: Set identity mapping for non-RAM E820 and E820 gaps.
> xen/debugfs: Add 'p2m' file for printing out the P2M layout.
> xen/debug: WARN_ON when identity PFN has no _PAGE_IOMAP flag set.
> xen/m2p: No need to catch exceptions when we know that there is no RAM
> xen: events: Fix compile error if CONFIG_SMP is not defined.
> xen/balloon: Remove pr_info's and don't alter retry_count
> xen-balloon: Add interface to retrieve ballooned pages
> xen/debug: Don't be so verbose with WARN on 1-1 mapping errors.
> xen/mmu: Add workaround "x86-64, mm: Put early page table high"
> Revert "xen/mmu: Add workaround "x86-64, mm: Put early page table high""
>
> Nicolas Kaiser (1):
> xen: events: fix error checks in bind_*_to_irqhandler()
>
> Olaf Hering (1):
> Input: xen-kbdfront - advertise either absolute or relative coordinates
>
> Owen Smith (1):
> xen: Union the blkif_request request specific fields
>
> Rafael J. Wysocki (1):
> PM: Add missing syscore_suspend() and syscore_resume() calls
>
> Randy Dunlap (1):
> xen: fix p2m section mismatches
>
> Scott Rixner (1):
> xen: events: Process event channels notifications in round-robin order.
>
> Sedat Dilek (1):
> x86/mm: Fix section mismatch derived from native_pagetable_reserve()
>
> Shan Haitao (1):
> xen: Allow PV-OPS kernel to detect whether XSAVE is supported
>
> Shriram Rajagopalan (1):
> xen: use freeze/restore/thaw PM events for suspend/resume/chkpt
>
> Stefano Stabellini (15):
> xen: change xen/[gntdev/gntalloc] to default m
> 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
> PCI hotplug: acpiphp: set current_state to D0 in register_slot
> xen/m2p: Check whether the MFN has IDENTITY_FRAME bit set..
> xen: set max_pfn_mapped to the last pfn mapped
> xen: update mask_rw_pte after kernel page tables init changes
> xen: do not create the extra e820 region at an addr lower than 4G
> xen: mask_rw_pte: do not apply the early_ioremap checks on x86_32
> xen: mask_rw_pte mark RO all pagetable pages up to pgt_buf_top
> x86,xen: introduce x86_init.mapping.pagetable_reserve
>
> Tejun Heo (1):
> xen-pcifront: don't use flush_scheduled_work()
>
> Thomas Gleixner (10):
> Merge branch 'irq/for-xen' into irq/core
> xen: Remove stale irq_chip.end
> xen: Switch to new irq_chip functions
> xen: Use IRQF_FORCE_RESUME
> ia64: xen: Use irq accessor functions
> xen: Cleanup genirq namespace
> xen: Use new irq_move functions
> xen: Convert genirq namespace
> xen: Use new irq_move functions
> x86: apb_timer: Fixup genirq fallout
>
> Uwe Kleine-König (1):
> kbuild: reenable section mismatch analysis
>
> Yinghai Lu (2):
> x86: Cleanup highmap after brk is concluded
> watchdog: sp5100_tco.c: Check if firmware has set correct value in
> tcobase.
>
> Zhang, Fengzhe (1):
> xen/setup: Inhibit resource API from using System RAM E820 gaps as PCI
> mem gaps.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
--
Kind regards,
Joseph.
Founder | Director
Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56
99 52 | Mobile: 0428 754 846
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