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Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery



Seems to done right. Dmesg log for PV on HVM (Ubuntu Lucid)  :-

[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 2.6.34 (root@LucidSRV) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #2 SMP Thu May 27 09:56:26 MSD 2010
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-2.6.34 root=UUID=8ab02f1a-d6bd-4829-9732-20440acf320f ro console=tty0
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[    0.000000]  BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 0000000080000000 (usable)
[    0.000000]  BIOS-e820: 00000000fc000000 - 0000000100000000 (reserved)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI 2.4 present.
[    0.000000] e820 update range: 0000000000000000 - 0000000000001000 (usable) ==> (reserved)
[    0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x80000 max_arch_pfn = 0x400000000
[    0.000000] MTRR default type: write-back
[    0.000000] MTRR fixed ranges enabled:
[    0.000000]   00000-9FFFF write-back
[    0.000000]   A0000-BFFFF write-combining
[    0.000000]   C0000-FFFFF write-back
[    0.000000] MTRR variable ranges enabled:
[    0.000000]   0 base 0F0000000 mask FF8000000 uncachable
[    0.000000]   1 base 0F8000000 mask FFC000000 uncachable
[    0.000000]   2 disabled
[    0.000000]   3 disabled
[    0.000000]   4 disabled
[    0.000000]   5 disabled
[    0.000000]   6 disabled
[    0.000000]   7 disabled
[    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[    0.000000] e820 update range: 0000000000001000 - 0000000000010000 (usable) ==> (reserved)
[    0.000000] Scanning 1 areas for low memory corruption
[    0.000000] modified physical RAM map:
[    0.000000]  modified: 0000000000000000 - 0000000000010000 (reserved)
[    0.000000]  modified: 0000000000010000 - 000000000009fc00 (usable)
[    0.000000]  modified: 000000000009fc00 - 00000000000a0000 (reserved)
[    0.000000]  modified: 00000000000e0000 - 0000000000100000 (reserved)
[    0.000000]  modified: 0000000000100000 - 0000000080000000 (usable)
[    0.000000]  modified: 00000000fc000000 - 0000000100000000 (reserved)
[    0.000000] initial memory mapped : 0 - 20000000
[    0.000000] found SMP MP-table at [ffff8800000fbc60] fbc60
[    0.000000] init_memory_mapping: 0000000000000000-0000000080000000
[    0.000000]  0000000000 - 0080000000 page 2M
[    0.000000] kernel direct mapping tables up to 80000000 @ 16000-19000
[    0.000000] RAMDISK: 33f01000 - 37ff0000
[    0.000000] ACPI: RSDP 00000000000ea020 00024 (v02    Xen)
[    0.000000] ACPI: XSDT 00000000fc012cb0 00034 (v01    Xen      HVM 00000000 HVML 00000000)
[    0.000000] ACPI: FACP 00000000fc012ad0 000F4 (v04    Xen      HVM 00000000 HVML 00000000)
[    0.000000] ACPI: DSDT 00000000fc002c40 0FE0B (v02    Xen      HVM 00000000 INTL 20090123)
[    0.000000] ACPI: FACS 00000000fc002c00 00040
[    0.000000] ACPI: APIC 00000000fc012bd0 000D8 (v02    Xen      HVM 00000000 HVML 00000000)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-0000000080000000
[    0.000000] Initmem setup node 0 0000000000000000-0000000080000000
[    0.000000]   NODE_DATA [0000000001cb20c0 - 0000000001cb70bf]
[    0.000000]  [ffffea0000000000-ffffea0001bfffff] PMD -> [ffff880002600000-ffff8800041fffff] on node 0
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   empty
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x0000009f
[    0.000000]     0: 0x00000100 -> 0x00080000
[    0.000000] On node 0 totalpages: 524175
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 0 pages reserved
[    0.000000]   DMA zone: 3927 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 7112 pages used for memmap
[    0.000000]   DMA32 zone: 513080 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x1f48
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x08] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x0a] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x0c] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x0e] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x12] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x14] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x16] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x18] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x1a] disabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x1c] disabled)
[    0.000000] ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-47
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 low level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level)
[    0.000000] ACPI: IRQ0 used by override.
[    0.000000] ACPI: IRQ2 used by override.
[    0.000000] ACPI: IRQ5 used by override.
[    0.000000] ACPI: IRQ9 used by override.
[    0.000000] ACPI: IRQ10 used by override.
[    0.000000] ACPI: IRQ11 used by override.
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] SMP: Allowing 15 CPUs, 13 hotplug CPUs
[    0.000000] nr_irqs_gsi: 48
[    0.000000] Xen version 4.0.
=>[    0.000000] Xen Platform PCI: I/O protocol version 1
=>[    0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs.
=> [    0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks.
=>[    0.000000] You might have to change the root device
=>[    0.000000] from /dev/hd[a-d] to /dev/xvd[a-d]
[    0.000000] in your root= kernel command line option
[    0.000000] Xen doesn't support pvclock on HVM,disable pv timer
[    0.000000] early_res array is doubled to 64 at [17180 - 1797f]
....

"df -h" reports /dev/xvda(X) devices


Boris

--- On Thu, 5/27/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery
To: "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx>, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
Date: Thursday, May 27, 2010, 2:51 AM

Xen 4.0 updated with yours patch on top of F13. Ubuntu Lucid HVM created.
Kernel 2.6.34 been built on HVM per yours the most recent instructions.
HVM reloaded with 2.6.34 kernel. Obvious network performance improvement.
Disk I/O doesn't look much better.

Boris.


--- On Wed, 5/26/10, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:

From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx>, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
Date: Wednesday, May 26, 2010, 7:12 AM

On Wed, 26 May 2010, Boris Derzhavets wrote:
> When i run rpmbuild on F13 , i need pv-on-hvm.patch in SOURCES for xen-4.0.0.1.7.f12.src.rpm.
> That was a reason of my request yesterday.
>

I am attaching to this email an untested port of the patch to 4.0.


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Attachment: dmesg.log.gz
Description: GNU Zip compressed data

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