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2.6.33.8-longterm review

PATCH In review Greg KH 8 participants 16 messages Mar 17, 2011 – Aug 30, 2011 2 messages not in the archive

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Memory management x86 PowerPC MIPS +3 more subsystems
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Greg KH

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cover 2.6.33.8-longterm review

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

I'd prefer it if you didn't answer that question...

Anyway, yes, a .33 kernel release, strange isn't it.

Turns out there are a lot of people "stuck" on the 2.6.33 kernel series for a variety of valid reasons, not the least being the Real Time patchset. So, in the copious spare time I have, I've been trying to keep up with the patches that have been applied to the different longterm and stable kernel trees and have been queueing them up for .33 as well.

Here's the result of that. A 474 patch series that is bigger than most people ever want to review, or see in their inboxes. Because of that, it is ONLY being sent to the [email protected] mailing list. If you want to see the individual patches, look at the git tree of the patch queue, or look at that mailing list.

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

If I missed anything that I should have in here, please let me know.

Responses should be made by Saturday, March 19, 2011, 21:00:00 UTC. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8-rc1.gz

and the diffstat can be found below.

thanks,

greg k-h

 MAINTAINERS                                     |    6 +
 Makefile                                        |    2 +-
 arch/arm/include/asm/assembler.h                |    2 +-
 arch/arm/kernel/signal.c                        |    4 +-
 arch/arm/lib/findbit.S                          |    6 +-
 arch/ia64/include/asm/compat.h                  |    2 +-
 arch/ia64/kernel/fsys.S                         |   30 +++-
 arch/mips/alchemy/mtx-1/platform.c              |    9 +
 arch/mips/include/asm/compat.h                  |    2 +-
 arch/parisc/include/asm/compat.h                |    2 +-
 arch/powerpc/include/asm/compat.h               |    2 +-
 arch/powerpc/include/asm/hvcall.h               |    1 +
 arch/powerpc/kernel/cpu_setup_6xx.S             |   40 +++---
 arch/powerpc/kernel/crash.c                     |   11 +-
 arch/powerpc/kernel/machine_kexec_64.c          |   25 +++
 arch/powerpc/kernel/ppc970-pmu.c                |    2 +
 arch/powerpc/kernel/setup_64.c                  |   17 ++-
 arch/powerpc/platforms/pseries/hvCall.S         |   38 +++++
 arch/powerpc/platforms/pseries/lpar.c           |   70 +++++++--
 arch/powerpc/platforms/pseries/plpar_wrappers.h |   18 ++
 arch/powerpc/sysdev/fsl_rio.c                   |    1 -
 arch/s390/include/asm/compat.h                  |    2 +-
 arch/s390/include/asm/processor.h               |    5 -
 arch/s390/include/asm/vdso.h                    |    2 +-
 arch/s390/kernel/traps.c                        |   37 ----
 arch/s390/kernel/vtime.c                        |   19 ++
 arch/sparc/include/asm/compat.h                 |    2 +-
 arch/um/drivers/ubd_kern.c                      |    9 +-
 arch/um/kernel/uml.lds.S                        |    2 +-
 arch/um/os-Linux/time.c                         |    2 +-
 arch/x86/ia32/ia32entry.S                       |   22 ++-
 arch/x86/include/asm/acpi.h                     |    1 +
 arch/x86/include/asm/amd_iommu_proto.h          |    6 +
 arch/x86/include/asm/amd_iommu_types.h          |   12 ++
 arch/x86/include/asm/compat.h                   |    2 +-
 arch/x86/include/asm/cpufeature.h               |    2 +-
 arch/x86/include/asm/io.h                       |    1 +
 arch/x86/include/asm/mmu_context.h              |    5 +-
 arch/x86/include/asm/pgtable_32.h               |    1 +
 arch/x86/include/asm/processor.h                |   23 ---
 arch/x86/include/asm/pvclock.h                  |    1 +
 arch/x86/include/asm/smp.h                      |    9 +-
 arch/x86/include/asm/smpboot_hooks.h            |    2 +-
 arch/x86/include/asm/trampoline.h               |    5 +-
 arch/x86/kernel/Makefile                        |    2 +
 arch/x86/kernel/acpi/boot.c                     |   14 +-
 arch/x86/kernel/amd_iommu.c                     |    4 +-
 arch/x86/kernel/amd_iommu_init.c                |   67 +++++---
 arch/x86/kernel/apic/apic.c                     |    8 +
 arch/x86/kernel/apic/io_apic.c                  |   14 ++-
 arch/x86/kernel/apic/probe_64.c                 |    7 -
 arch/x86/kernel/cpu/amd.c                       |    3 +-
 arch/x86/kernel/cpu/common.c                    |    4 +-
 arch/x86/kernel/cpu/cpu.h                       |    1 +
 arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c      |    1 +
 arch/x86/kernel/cpu/intel.c                     |    1 +
 arch/x86/kernel/cpu/mcheck/mce_amd.c            |    9 +-
 arch/x86/kernel/cpu/mtrr/cleanup.c              |    2 +-
 arch/x86/kernel/cpu/mtrr/main.c                 |   10 +-
 arch/x86/kernel/crash_dump_64.c                 |    3 +-
 arch/x86/kernel/e820.c                          |   10 +-
 arch/x86/kernel/early-quirks.c                  |   21 ++-
 arch/x86/kernel/head_32.S                       |    8 +-
 arch/x86/kernel/hpet.c                          |    2 +-
 arch/x86/kernel/hw_breakpoint.c                 |    4 +
 arch/x86/kernel/olpc.c                          |    5 +-
 arch/x86/kernel/pvclock.c                       |    5 +
 arch/x86/kernel/reboot.c                        |    2 +-
 arch/x86/kernel/setup.c                         |    2 +
 arch/x86/kernel/smp.c                           |   15 +-
 arch/x86/kernel/smpboot.c                       |  117 +++++++++++---
 arch/x86/kernel/trampoline.c                    |   17 ++
 arch/x86/kvm/x86.c                              |    2 +-
 arch/x86/mm/fault.c                             |    7 +
 arch/x86/mm/srat_64.c                           |    8 +-
 arch/x86/vdso/Makefile                          |    4 +-
 arch/x86/xen/enlighten.c                        |    4 -
 arch/x86/xen/smp.c                              |    6 +-
 arch/x86/xen/time.c                             |    2 +
 block/blk-map.c                                 |    2 +
 block/blk-settings.c                            |    2 +-
 block/bsg.c                                     |    2 +-
 block/cfq-iosched.c                             |    4 +
 block/scsi_ioctl.c                              |   34 +++-
 drivers/acpi/acpica/aclocal.h                   |    1 +
 drivers/acpi/acpica/dswexec.c                   |   19 ++-
 drivers/acpi/blacklist.c                        |   16 ++
 drivers/acpi/ec.c                               |    3 +
 drivers/ata/ahci.c                              |    5 +
 drivers/ata/libata-core.c                       |   24 ++-
 drivers/ata/libata-scsi.c                       |    5 +-
 drivers/ata/pata_mpc52xx.c                      |    2 +-
 drivers/block/pktcdvd.c                         |    2 +-
 drivers/bluetooth/hci_ldisc.c                   |    7 +
 drivers/char/hpet.c                             |   17 ++
 drivers/char/hvc_iucv.c                         |    6 +-
 drivers/char/mem.c                              |    3 +-
 drivers/char/pcmcia/synclink_cs.c               |    2 +
 drivers/char/tpm/tpm.c                          |   28 +++-
 drivers/char/tpm/tpm.h                          |    2 +
 drivers/char/tpm/tpm_tis.c                      |   28 +++-
 drivers/char/tty_buffer.c                       |   14 ++-
 drivers/char/tty_ldisc.c                        |   51 +++++-
 drivers/char/vt_ioctl.c                         |   11 +-
 drivers/crypto/padlock-aes.c                    |    2 +-
 drivers/dma/mv_xor.c                            |    4 +-
 drivers/edac/amd64_edac.c                       |    2 +-
 drivers/firewire/core-card.c                    |   11 +-
 drivers/firewire/ohci.c                         |   64 ++++++--
 drivers/gpu/drm/Kconfig                         |    3 +
 drivers/gpu/drm/drm_crtc.c                      |   10 +-
 drivers/gpu/drm/drm_irq.c                       |    3 +-
 drivers/gpu/drm/i915/intel_lvds.c               |    8 +
 drivers/gpu/drm/radeon/atombios_dp.c            |    4 +-
 drivers/gpu/drm/radeon/radeon_atombios.c        |   16 ++-
 drivers/gpu/drm/radeon/radeon_display.c         |    6 +-
 drivers/gpu/drm/ttm/ttm_bo.c                    |   84 ++++++++--
 drivers/gpu/drm/ttm/ttm_bo_util.c               |    1 +
 drivers/hwmon/adm1026.c                         |   20 +-
 drivers/hwmon/f71882fg.c                        |    2 +-
 drivers/hwmon/lm85.c                            |    1 +
 drivers/hwmon/via686a.c                         |   14 ++-
 drivers/i2c/i2c-core.c                          |   14 ++-
 drivers/infiniband/core/cm.c                    |    1 +
 drivers/infiniband/core/cma.c                   |   15 ++
 drivers/infiniband/core/uverbs_cmd.c            |  101 +++++++-----
 drivers/infiniband/hw/cxgb3/iwch_cm.c           |    6 +-
 drivers/input/joydev.c                          |    3 +
 drivers/input/mouse/bcm5974.c                   |   40 +++++
 drivers/isdn/hisax/config.c                     |   18 ++-
 drivers/isdn/hisax/hisax.h                      |    1 +
 drivers/leds/leds-ss4200.c                      |    1 +
 drivers/md/dm-mpath.c                           |   12 --
 drivers/md/dm.c                                 |    5 +-
 drivers/md/md.c                                 |   19 ++-
 drivers/md/raid1.c                              |    1 +
 drivers/media/dvb/dvb-usb/dib0700_devices.c     |   21 ++-
 drivers/media/dvb/frontends/dib7000m.c          |   19 ++
 drivers/media/dvb/frontends/dib7000m.h          |   15 ++
 drivers/media/dvb/ttpci/av7110_ca.c             |    2 +-
 drivers/media/radio/radio-aimslab.c             |   24 +--
 drivers/media/video/cx231xx/cx231xx-cards.c     |   14 +-
 drivers/media/video/em28xx/em28xx-cards.c       |    4 +-
 drivers/media/video/ivtv/ivtvfb.c               |    2 +
 drivers/media/video/v4l2-compat-ioctl32.c       |   32 +++--
 drivers/message/fusion/mptctl.c                 |    8 +
 drivers/message/fusion/mptscsih.c               |    9 +-
 drivers/mfd/ucb1x00-ts.c                        |   12 +-
 drivers/misc/sgi-xp/xpc_partition.c             |   25 ++-
 drivers/misc/sgi-xp/xpc_uv.c                    |   17 ++
 drivers/mmc/host/sdhci-s3c.c                    |    6 +-
 drivers/mtd/chips/jedec_probe.c                 |   32 ++--
 drivers/mtd/nand/omap2.c                        |    2 +-
 drivers/mtd/onenand/generic.c                   |    2 +-
 drivers/mtd/onenand/omap2.c                     |    2 +-
 drivers/net/atlx/atl1.c                         |    5 +-
 drivers/net/b44.c                               |    4 +-
 drivers/net/benet/be.h                          |    2 +
 drivers/net/benet/be_main.c                     |   18 +-
 drivers/net/bnx2.c                              |   20 ++-
 drivers/net/e1000e/netdev.c                     |    3 +-
 drivers/net/igb/igb_main.c                      |    2 +-
 drivers/net/ixgbe/ixgbe_main.c                  |    5 +
 drivers/net/netxen/netxen_nic_init.c            |    3 -
 drivers/net/r6040.c                             |   12 +-
 drivers/net/r8169.c                             |   12 +-
 drivers/net/wireless/ath/ath9k/hw.c             |    4 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c          |   15 ++-
 drivers/net/wireless/iwlwifi/iwl-helpers.h      |    6 +
 drivers/net/wireless/orinoco/main.c             |    6 +
 drivers/net/wireless/orinoco/wext.c             |    4 +-
 drivers/net/wireless/p54/eeprom.c               |    4 +-
 drivers/net/wireless/p54/p54pci.c               |   14 +-
 drivers/net/wireless/p54/p54usb.c               |   22 +++-
 drivers/net/wireless/p54/txrx.c                 |    2 +-
 drivers/net/wireless/rt2x00/rt73usb.c           |    1 +
 drivers/pci/dmar.c                              |    5 +
 drivers/pci/pci-stub.c                          |    3 +
 drivers/pci/pci-sysfs.c                         |   22 ++-
 drivers/pci/pci.h                               |    7 +-
 drivers/pci/proc.c                              |    2 +-
 drivers/pci/quirks.c                            |   43 +++++
 drivers/platform/x86/acer-wmi.c                 |    4 +-
 drivers/platform/x86/asus_acpi.c                |    8 +-
 drivers/platform/x86/tc1100-wmi.c               |    2 +-
 drivers/platform/x86/wmi.c                      |    2 +-
 drivers/power/ds2760_battery.c                  |    2 +-
 drivers/power/olpc_battery.c                    |    8 +-
 drivers/rtc/rtc-cmos.c                          |   16 +-
 drivers/s390/char/keyboard.c                    |    3 +-
 drivers/s390/cio/qdio.h                         |    6 +
 drivers/s390/cio/qdio_main.c                    |   43 +++--
 drivers/scsi/bfa/bfa_core.c                     |   22 +++
 drivers/scsi/device_handler/scsi_dh_alua.c      |    2 +
 drivers/scsi/gdth.c                             |    8 +
 drivers/scsi/libsas/sas_ata.c                   |    1 +
 drivers/scsi/libsas/sas_scsi_host.c             |    1 +
 drivers/scsi/mpt2sas/mpt2sas_base.c             |   24 ++-
 drivers/scsi/mpt2sas/mpt2sas_scsih.c            |    4 +-
 drivers/scsi/scsi_lib.c                         |    3 +-
 drivers/scsi/scsi_sysfs.c                       |    3 +-
 drivers/scsi/sd.c                               |   24 ++-
 drivers/serial/8250.c                           |    3 +-
 drivers/ssb/b43_pci_bridge.c                    |    1 +
 drivers/ssb/driver_chipcommon_pmu.c             |   17 +-
 drivers/ssb/pci.c                               |   20 +--
 drivers/ssb/pcmcia.c                            |    2 +-
 drivers/staging/asus_oled/asus_oled.c           |    8 +-
 drivers/staging/comedi/drivers/jr3_pci.c        |    7 +
 drivers/staging/comedi/drivers/ni_labpc.c       |    3 +-
 drivers/staging/frontier/tranzport.c            |    2 +-
 drivers/staging/hv/blkvsc_drv.c                 |    1 +
 drivers/staging/hv/netvsc_drv.c                 |    1 +
 drivers/staging/line6/control.c                 |  204 +++++++++++-----------
 drivers/staging/line6/midi.c                    |    4 +-
 drivers/staging/line6/pod.c                     |   32 ++--
 drivers/staging/line6/toneport.c                |    4 +-
 drivers/staging/line6/variax.c                  |   12 +-
 drivers/staging/rt2860/chips/rt3090.c           |    3 +-
 drivers/staging/rt2860/chips/rt30xx.c           |    4 +-
 drivers/staging/rt2860/rt_main_dev.c            |    2 -
 drivers/staging/rt2860/usb_main_dev.c           |    1 +
 drivers/staging/rtl8187se/r8185b_init.c         |   30 +++-
 drivers/staging/samsung-laptop/samsung-laptop.c |    2 +-
 drivers/staging/usbip/usbip_event.c             |   16 +--
 drivers/staging/usbip/vhci.h                    |    6 +-
 drivers/staging/usbip/vhci_hcd.c                |   70 ++++++---
 drivers/staging/usbip/vhci_rx.c                 |   15 +-
 drivers/usb/atm/ueagle-atm.c                    |    6 +-
 drivers/usb/core/devio.c                        |    7 +-
 drivers/usb/core/file.c                         |   35 ++--
 drivers/usb/core/hub.c                          |   35 ++++-
 drivers/usb/core/message.c                      |   15 +-
 drivers/usb/core/quirks.c                       |    8 +
 drivers/usb/gadget/atmel_usba_udc.c             |    3 +
 drivers/usb/gadget/printer.c                    |   14 +-
 drivers/usb/host/ehci-hcd.c                     |   29 ++--
 drivers/usb/host/isp1760-hcd.c                  |   22 ++-
 drivers/usb/host/isp1760-hcd.h                  |    1 +
 drivers/usb/host/xhci-ring.c                    |   50 ++++--
 drivers/usb/misc/cypress_cy7c63.c               |    6 +-
 drivers/usb/misc/iowarrior.c                    |    3 +-
 drivers/usb/misc/sisusbvga/sisusb.c             |    1 +
 drivers/usb/misc/trancevibrator.c               |    2 +-
 drivers/usb/misc/usbled.c                       |    2 +-
 drivers/usb/misc/usbsevseg.c                    |   10 +-
 drivers/usb/misc/uss720.c                       |    4 +-
 drivers/usb/musb/blackfin.c                     |    4 +-
 drivers/usb/musb/omap2430.c                     |    1 +
 drivers/usb/serial/ch341.c                      |   11 ++
 drivers/usb/serial/cp210x.c                     |   18 +--
 drivers/usb/serial/digi_acceleport.c            |   10 -
 drivers/usb/serial/ftdi_sio.c                   |   76 ++++++++-
 drivers/usb/serial/ftdi_sio_ids.h               |   64 +++++++-
 drivers/usb/serial/generic.c                    |   20 +++
 drivers/usb/serial/io_edgeport.c                |    4 +-
 drivers/usb/serial/keyspan_pda.c                |   17 --
 drivers/usb/serial/kobil_sct.c                  |    2 +-
 drivers/usb/serial/opticon.c                    |    6 +-
 drivers/usb/serial/option.c                     |   25 +++-
 drivers/usb/serial/pl2303.c                     |   13 ++
 drivers/usb/serial/pl2303.h                     |    2 +
 drivers/usb/serial/sierra.c                     |    3 +
 drivers/usb/serial/spcp8x5.c                    |    6 +-
 drivers/usb/serial/ti_usb_3410_5052.c           |    2 +-
 drivers/usb/serial/visor.c                      |   12 ++
 drivers/usb/storage/sierra_ms.c                 |    2 +-
 drivers/usb/storage/unusual_cypress.h           |    5 +
 drivers/usb/storage/unusual_devs.h              |   39 +++++
 drivers/video/backlight/backlight.c             |   12 +-
 drivers/video/efifb.c                           |   61 ++++++--
 drivers/video/sis/sis_main.c                    |    3 +
 drivers/video/via/accel.c                       |    7 +-
 drivers/video/via/ioctl.c                       |    2 +
 drivers/virtio/virtio_pci.c                     |   21 +--
 drivers/xen/events.c                            |    2 +-
 fs/aio.c                                        |    3 +
 fs/bio.c                                        |   23 +++-
 fs/btrfs/super.c                                |    5 +-
 fs/char_dev.c                                   |    4 +-
 fs/cifs/cifsproto.h                             |    2 +-
 fs/cifs/cifssmb.c                               |    4 +-
 fs/cifs/file.c                                  |   17 +-
 fs/ecryptfs/inode.c                             |    6 +
 fs/eventpoll.c                                  |   95 +++++++++++
 fs/exec.c                                       |   19 ++
 fs/ext2/namei.c                                 |    9 +-
 fs/ext4/balloc.c                                |    3 -
 fs/ext4/ext4.h                                  |    2 +
 fs/ext4/extents.c                               |    9 +-
 fs/ext4/mballoc.h                               |    2 -
 fs/file_table.c                                 |    2 +-
 fs/fuse/file.c                                  |  134 ++++++++++++++--
 fs/fuse/fuse_i.h                                |    6 +-
 fs/nfs/direct.c                                 |   34 +++--
 fs/nfs/file.c                                   |    4 +-
 fs/nfs/mount_clnt.c                             |    4 +-
 fs/nfsd/nfs3xdr.c                               |    6 +-
 fs/nfsd/nfs4xdr.c                               |   12 +-
 fs/nfsd/vfs.c                                   |    2 +-
 fs/nfsd/xdr4.h                                  |   21 +--
 fs/notify/inotify/inotify_user.c                |    7 +-
 fs/ocfs2/refcounttree.c                         |    7 +-
 fs/ocfs2/stack_user.c                           |    2 +-
 fs/ocfs2/symlink.c                              |    2 +-
 fs/partitions/ldm.c                             |    5 +
 fs/partitions/mac.c                             |   17 +-
 fs/pipe.c                                       |    2 +-
 fs/proc/array.c                                 |    5 +-
 fs/proc/task_mmu.c                              |    8 +-
 fs/reiserfs/ioctl.c                             |    7 +-
 fs/reiserfs/xattr_acl.c                         |    6 +-
 fs/xfs/linux-2.6/xfs_ioctl.c                    |    2 +
 include/drm/drmP.h                              |    2 +-
 include/drm/drm_pciids.h                        |    3 +-
 include/drm/ttm/ttm_bo_api.h                    |    4 +-
 include/keys/rxrpc-type.h                       |    1 -
 include/linux/blkdev.h                          |    4 +-
 include/linux/compat.h                          |    2 +
 include/linux/cred.h                            |   21 +---
 include/linux/ftrace.h                          |    2 +
 include/linux/ieee80211.h                       |    2 +-
 include/linux/klist.h                           |    2 +-
 include/linux/mmzone.h                          |   13 ++
 include/linux/netdevice.h                       |    4 +
 include/linux/pci_ids.h                         |    4 +
 include/linux/ssb/ssb.h                         |    5 +-
 include/linux/ssb/ssb_driver_chipcommon.h       |   15 ++-
 include/linux/usb/serial.h                      |    3 +
 include/linux/vmstat.h                          |   22 +++
 include/net/sctp/sm.h                           |    1 +
 include/net/sctp/structs.h                      |    3 +
 include/net/sock.h                              |    1 +
 include/net/udp.h                               |    1 +
 include/net/x25.h                               |    4 +
 init/calibrate.c                                |    6 +-
 ipc/compat.c                                    |    6 +
 ipc/compat_mq.c                                 |    5 +
 ipc/sem.c                                       |    2 +
 ipc/shm.c                                       |    1 +
 kernel/compat.c                                 |   21 +++
 kernel/cpuset.c                                 |    7 +-
 kernel/cred.c                                   |   41 ++++-
 kernel/exit.c                                   |   22 ++-
 kernel/futex.c                                  |   31 ++--
 kernel/hrtimer.c                                |   13 ++-
 kernel/hw_breakpoint.c                          |    3 +-
 kernel/irq/manage.c                             |    2 +-
 kernel/irq/proc.c                               |    2 +-
 kernel/latencytop.c                             |   17 +-
 kernel/power/snapshot.c                         |    7 +-
 kernel/power/user.c                             |    2 +-
 kernel/printk.c                                 |    2 +
 kernel/ptrace.c                                 |    2 +-
 kernel/sched.c                                  |   17 +-
 kernel/signal.c                                 |   43 ++++--
 kernel/smp.c                                    |   30 ++++
 kernel/sys.c                                    |    2 +
 kernel/time/tick-broadcast.c                    |   10 +
 kernel/time/tick-common.c                       |    6 +-
 kernel/time/tick-internal.h                     |    3 +
 kernel/timer.c                                  |    6 +
 kernel/trace/ftrace.c                           |   52 +++++-
 kernel/trace/ring_buffer.c                      |    2 +-
 kernel/trace/trace.c                            |   10 +-
 lib/percpu_counter.c                            |    1 +
 mm/filemap.c                                    |    3 +
 mm/internal.h                                   |    2 +-
 mm/memory.c                                     |   32 +++-
 mm/memory_hotplug.c                             |    2 +-
 mm/mempolicy.c                                  |    2 +-
 mm/mlock.c                                      |    8 +
 mm/mmap.c                                       |   16 ++-
 mm/mmzone.c                                     |   21 +++
 mm/mprotect.c                                   |    2 +-
 mm/mremap.c                                     |    4 +-
 mm/nommu.c                                      |    1 +
 mm/page_alloc.c                                 |   33 +++-
 mm/percpu.c                                     |    2 +-
 mm/swapfile.c                                   |    6 +-
 mm/vmalloc.c                                    |    9 +
 mm/vmscan.c                                     |   53 +++++-
 mm/vmstat.c                                     |   15 ++-
 net/can/bcm.c                                   |    2 +-
 net/compat.c                                    |   10 +-
 net/core/dev.c                                  |   20 ++-
 net/core/ethtool.c                              |    4 +-
 net/core/iovec.c                                |   17 +-
 net/core/rtnetlink.c                            |    3 +
 net/core/stream.c                               |    8 +-
 net/dccp/input.c                                |    7 +-
 net/decnet/af_decnet.c                          |    2 +
 net/econet/af_econet.c                          |   91 +++++------
 net/ipv4/datagram.c                             |    5 +-
 net/ipv4/inet_timewait_sock.c                   |    2 +
 net/ipv4/ip_gre.c                               |    1 +
 net/ipv4/ip_output.c                            |   19 ++-
 net/ipv4/ipip.c                                 |    1 +
 net/ipv4/route.c                                |    7 +-
 net/ipv4/tcp.c                                  |   11 +-
 net/ipv4/tcp_input.c                            |    2 +
 net/ipv4/udp.c                                  |   44 +++++
 net/ipv4/xfrm4_policy.c                         |    4 +-
 net/ipv6/datagram.c                             |    7 +-
 net/ipv6/ip6_output.c                           |   18 ++-
 net/ipv6/route.c                                |   28 +++-
 net/ipv6/sit.c                                  |    2 +-
 net/ipv6/udp.c                                  |   10 +
 net/irda/iriap.c                                |    3 +-
 net/irda/parameters.c                           |    4 +-
 net/mac80211/rx.c                               |    4 -
 net/netfilter/nf_conntrack_core.c               |    3 +-
 net/netfilter/nf_log.c                          |    4 +
 net/phonet/pep.c                                |    3 +-
 net/rds/page.c                                  |   27 +---
 net/rds/rdma.c                                  |    2 +-
 net/rose/af_rose.c                              |    4 +-
 net/sctp/auth.c                                 |    8 +-
 net/sctp/input.c                                |   22 ++-
 net/sctp/output.c                               |    1 -
 net/sctp/sm_sideeffect.c                        |   35 ++++
 net/sctp/transport.c                            |    2 +
 net/socket.c                                    |    4 +
 net/sunrpc/cache.c                              |    4 +-
 net/sunrpc/svc_xprt.c                           |    9 +-
 net/wireless/wext-priv.c                        |    2 +-
 net/x25/af_x25.c                                |   47 +++++-
 net/x25/x25_facilities.c                        |   32 +++-
 net/x25/x25_in.c                                |   17 ++-
 net/x25/x25_link.c                              |    4 +
 security/integrity/ima/ima_policy.c             |    2 +
 security/keys/keyctl.c                          |    6 +-
 security/selinux/hooks.c                        |   11 +-
 security/selinux/nlmsgtab.c                     |    2 +
 sound/core/control.c                            |    5 +
 sound/core/hrtimer.c                            |    5 +-
 sound/core/rawmidi.c                            |    4 +-
 sound/oss/soundcard.c                           |    4 +-
 sound/pci/au88x0/au88x0_pcm.c                   |   24 +++-
 sound/pci/hda/hda_eld.c                         |    2 +-
 sound/pci/hda/hda_intel.c                       |    2 +
 sound/pci/hda/patch_analog.c                    |    1 +
 sound/pci/hda/patch_conexant.c                  |    8 +-
 sound/pci/hda/patch_realtek.c                   |   22 ++-
 sound/pci/hda/patch_sigmatel.c                  |    2 +
 sound/pci/intel8x0.c                            |    6 +
 sound/pci/oxygen/oxygen.c                       |    4 +
 sound/pci/rme9652/hdsp.c                        |    1 +
 sound/pci/rme9652/hdspm.c                       |    1 +
 sound/soc/blackfin/bf5xx-ac97.c                 |    4 +-
 sound/soc/codecs/wm8990.c                       |   10 +-
 sound/usb/caiaq/audio.c                         |    2 +-
 sound/usb/caiaq/midi.c                          |    2 +-
 sound/usb/usx2y/us122l.c                        |   41 +++---
 454 files changed, 3937 insertions(+), 1490 deletions(-)
author
#1 lore raw

PATCH 72/474 mm, x86: Saving vmcore with non-lazy freeing of vmas

2.6.33-longterm review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 2026
Lines: 68

From: Cliff Wickman <[email protected]>

commit 3ee48b6af49cf534ca2f481ecc484b156a41451d upstream.

During the reading of /proc/vmcore the kernel is doing ioremap()/iounmap() repeatedly. And the buildup of un-flushed vm_area_struct's is causing a great deal of overhead. (rb_next() is chewing up most of that time).

This solution is to provide function set_iounmap_nonlazy(). It causes a subsequent call to iounmap() to immediately purge the vma area (with try_purge_vmap_area_lazy()).

With this patch we have seen the time for writing a 250MB compressed dump drop from 71 seconds to 44 seconds.

Signed-off-by Cliff Wickman <[email protected]>
Cc Andrew Morton <[email protected]>
Cc [email protected]

LKML-Reference: <[email protected]>

Signed-off-by Ingo Molnar <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/x86/include/asm/io.h       |    1 +
 arch/x86/kernel/crash_dump_64.c |    1 +
 mm/vmalloc.c                    |    9 +++++++++
 3 files changed, 11 insertions(+)
arch/x86/include/asm/io.h +1 -0
@@ -172,6 +172,7 @@ static inline void __iomem *ioremap(reso
 
 extern void iounmap(volatile void __iomem *addr);
 
+extern void set_iounmap_nonlazy(void);
 
 #ifdef CONFIG_X86_32
 # include "io_32.h"
arch/x86/kernel/crash_dump_64.c +1 -0
@@ -46,6 +46,7 @@ ssize_t copy_oldmem_page(unsigned long p
 	} else
 		memcpy(buf, vaddr + offset, csize);
 
+	set_iounmap_nonlazy();
 	iounmap(vaddr);
 	return csize;
 }
mm/vmalloc.c +9 -0
@@ -513,6 +513,15 @@ static atomic_t vmap_lazy_nr = ATOMIC_IN
 static void purge_fragmented_blocks_allcpus(void);
 
 /*
+ * called before a call to iounmap() if the caller wants vm_area_struct's
+ * immediately freed.
+ */
+void set_iounmap_nonlazy(void)
+{
+	atomic_set(&vmap_lazy_nr, lazy_max_pages()+1);
+}
+
+/*
  * Purges all lazily-freed vmap areas.
  *
  * If sync is 0 then don't purge if there is already a purge in progress.

_______________________________________________
kexec mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/kexec

author
#2 lore raw

PATCH 78/474 x86, kdump: Change copy_oldmem_page() to use cached addressing

In reply to Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 1077
Lines: 35

From: Cliff Wickman <[email protected]>

commit 37a2f9f30a360fb03522d15c85c78265ccd80287 upstream.

The copy of /proc/vmcore to a user buffer proceeds much faster if the kernel addresses memory as cached.

With this patch we have seen an increase in transfer rate from less than 15MB/s to 80-460MB/s, depending on size of the transfer. This makes a big difference in time needed to save a system dump.

Signed-off-by Cliff Wickman <[email protected]>
Acked-by "Eric W. Biederman" <[email protected]>
Cc [email protected]

LKML-Reference: <[email protected]>

Signed-off-by Ingo Molnar <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/x86/kernel/crash_dump_64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/kernel/crash_dump_64.c +1 -1
@@ -34,7 +34,7 @@ ssize_t copy_oldmem_page(unsigned long p
 	if (!csize)
 		return 0;
 
-	vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+	vaddr = ioremap_cache(pfn << PAGE_SHIFT, PAGE_SIZE);
 	if (!vaddr)
 		return -ENOMEM;

_______________________________________________
kexec mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/kexec

author
#3 lore raw

PATCH 213/474 x86, hotplug: Use mwait to offline a processor, fix the legacy case

In reply to Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 4240
Lines: 156

From: H. Peter Anvin <[email protected]>

upstream ea53069231f9317062910d6e772cca4ce93de8c8
x86, hotplug: Use mwait to offline a processor, fix the legacy case

Here included also some small follow-on patches to the same code:

upstream a68e5c94f7d3dd64fef34dd5d97e365cae4bb42a x86, hotplug: Move WBINVD back outside the play_dead loop

upstream ce5f68246bf2385d6174856708d0b746dc378f20
x86, hotplug: In the MWAIT case of play_dead, CLFLUSH the cache line

https://bugzilla.kernel.org/show_bug.cgi?id=5471

Signed-off-by H. Peter Anvin <[email protected]>
Signed-off-by Len Brown <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/x86/include/asm/processor.h |   23 ----------
 arch/x86/kernel/smpboot.c        |   85 ++++++++++++++++++++++++++++++++++++++-
 2 files changed, 84 insertions(+), 24 deletions(-)
arch/x86/include/asm/processor.h +0 -23
@@ -767,29 +767,6 @@ extern unsigned long		boot_option_idle_o
 extern unsigned long		idle_halt;
 extern unsigned long		idle_nomwait;
 
-/*
- * on systems with caches, caches must be flashed as the absolute
- * last instruction before going into a suspended halt.  Otherwise,
- * dirty data can linger in the cache and become stale on resume,
- * leading to strange errors.
- *
- * perform a variety of operations to guarantee that the compiler
- * will not reorder instructions.  wbinvd itself is serializing
- * so the processor will not reorder.
- *
- * Systems without cache can just go into halt.
- */
-static inline void wbinvd_halt(void)
-{
-	mb();
-	/* check for clflush to determine if wbinvd is legal */
-	if (cpu_has_clflush)
-		asm volatile("cli; wbinvd; 1: hlt; jmp 1b" : : : "memory");
-	else
-		while (1)
-			halt();
-}
-
 extern void enable_sep_cpu(void);
 extern int sysenter_setup(void);
arch/x86/kernel/smpboot.c +84 -1

95 lines not on this page · raw message

author
#4 lore raw

PATCH 421/474 powerpc/kexec: Fix orphaned offline CPUs across kexec

In reply to Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 2566
Lines: 74

From: Matt Evans <[email protected]>

Commit: e8e5c2155b0035b6e04f29be67f6444bc914005b upstream

When CPU hotplug is used, some CPUs may be offline at the time a kexec is performed. The subsequent kernel may expect these CPUs to be already running, and will declare them stuck. On pseries, there's also a soft-offline (cede) state that CPUs may be in; this can also cause problems as the kexeced kernel may ask RTAS if they're online -- and RTAS would say they are. The CPU will either appear stuck, or will cause a crash as we replace its cede loop beneath it.

This patch kicks each present offline CPU awake before the kexec, so that none are forever lost to these assumptions in the subsequent kernel.

Now, the behaviour is that all available CPUs that were offlined are now online & usable after the kexec. This mimics the behaviour of a full reboot (on which all CPUs will be restarted).

Signed-off-by Matt Evans <[email protected]>
Signed-off-by Benjamin Herrenschmidt <[email protected]>
Signed-off-by Kamalesh babulal <[email protected]>
cc Anton Blanchard <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/powerpc/kernel/machine_kexec_64.c |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
arch/powerpc/kernel/machine_kexec_64.c +25 -0
@@ -15,6 +15,7 @@
 #include <linux/thread_info.h>
 #include <linux/init_task.h>
 #include <linux/errno.h>
+#include <linux/cpu.h>
 
 #include <asm/page.h>
 #include <asm/current.h>

@@ -169,10 +170,34 @@ static void kexec_smp_down(void *arg)
 	/* NOTREACHED */
 }
 
+/*
+ * We need to make sure each present CPU is online.  The next kernel will scan
+ * the device tree and assume primary threads are online and query secondary
+ * threads via RTAS to online them if required.  If we don't online primary
+ * threads, they will be stuck.  However, we also online secondary threads as we
+ * may be using 'cede offline'.  In this case RTAS doesn't see the secondary
+ * threads as offline -- and again, these CPUs will be stuck.
+ *
+ * So, we online all CPUs that should be running, including secondary threads.
+ */
+static void wake_offline_cpus(void)
+{
+	int cpu = 0;
+
+	for_each_present_cpu(cpu) {
+		if (!cpu_online(cpu)) {
+			printk(KERN_INFO "kexec: Waking offline cpu %d.\n",
+					cpu);
+			cpu_up(cpu);
+		}
+	}
+}
+
 static void kexec_prepare_cpus(void)
 {
 	int my_cpu, i, notified=-1;
 
+	wake_offline_cpus();
 	smp_call_function(kexec_smp_down, NULL, /* wait */0);
 	my_cpu = get_cpu();
author
#5 lore raw

PATCH 430/474 MIPS: MTX-1: Make au1000_eth probe all PHY addresses

In reply to Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 1478
Lines: 50

From: Florian Fainelli <[email protected]>

commit bf3a1eb85967dcbaae42f4fcb53c2392cec32677 upstream.

When au1000_eth probes the MII bus for PHY address, if we do not set au1000_eth platform data's phy_search_highest_address, the MII probing logic will exit early and will assume a valid PHY is found at address 0. For MTX-1, the PHY is at address 31, and without this patch, the link detection/speed/duplex would not work correctly.

Signed-off-by Florian Fainelli <[email protected]>

To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2111/

Signed-off-by Ralf Baechle <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/mips/alchemy/mtx-1/platform.c |    9 +++++++++
 1 file changed, 9 insertions(+)
arch/mips/alchemy/mtx-1/platform.c +9 -0
@@ -28,6 +28,8 @@
 #include <linux/mtd/physmap.h>
 #include <mtd/mtd-abi.h>
 
+#include <asm/mach-au1x00/au1xxx_eth.h>
+
 static struct gpio_keys_button mtx1_gpio_button[] = {
 	{
 		.gpio = 207,

@@ -140,10 +142,17 @@ static struct __initdata platform_device
 	&mtx1_mtd,
 };
 
+static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = {
+	.phy_search_highest_addr	= 1,
+	.phy1_search_mac0 		= 1,
+};
+
 static int __init mtx1_register_devices(void)
 {
 	int rc;
 
+	au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata);
+
 	rc = gpio_request(mtx1_gpio_button[0].gpio,
 					mtx1_gpio_button[0].desc);
 	if (rc < 0) {
#6 lore raw
In reply to Greg KH
Quoted 1 line · Greg KH

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

Nah, dedicated. Thanks for the effort.

Quoted 4 lines

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

I've cloned it, donning hip-waders.

-Mike

#7 lore raw
In reply to Greg KH
Quoted 1 line · Greg KH

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

Aren't we all crazy ?

Quoted 1 line

I'd prefer it if you didn't answer that question...

Too late. You should have put this before the question.

Quoted 4 lines

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

We'll pull it into rt and figure out what breaks.

Thanks for the effort,

tglx

#8 lore raw

Hi,

2011/3/18 Thomas Gleixner <[email protected]>:

Quoted 8 lines · Greg KH
Quoted 2 lines

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

Aren't we all crazy ?

Quoted 1 line

I'd prefer it if you didn't answer that question...

Quoted 8 lines

Too late. You should have put this before the question.

Quoted 4 lines

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

We'll pull it into rt and figure out what breaks.

Can you please elaborate somewhat on the status of the RT-patchset development for 2.6.38 and on?
It is silent about it for quite a while now, and actually the gap between mainstream and the latest RT has never been this big before... Are there major complications, lack on time or hands? Can I help ?

Thanks for the all the effort,

Kind regards,

Remy

#9 lore raw
Quoted 18 lines · Remy Bohmer

Hi,

2011/3/18 Thomas Gleixner <[email protected]>:

Quoted 15 lines · Greg KH
Quoted 2 lines

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

Aren't we all crazy ?

Quoted 1 line

I'd prefer it if you didn't answer that question...

Too late. You should have put this before the question.

Quoted 4 lines

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

Quoted 4 lines
Quoted 1 line

We'll pull it into rt and figure out what breaks.

Can you please elaborate somewhat on the status of the RT-patchset development for 2.6.38 and on?

Working on it.

Quoted 3 lines

It is silent about it for quite a while now, and actually the gap between mainstream and the latest RT has never been this big before... Are there major complications, lack on time or hands? Can I help ?

I concentrated on getting stuff upstream and reworking to make it more palatable and maintainable.

Thanks,

tglx

#10 lore raw

Il 20/03/2011 13:52, Thomas Gleixner ha scritto:

Quoted 12 lines · Remy Bohmer
Quoted 2 lines

Can you please elaborate somewhat on the status of the RT-patchset development for 2.6.38 and on?

Working on it.

Quoted 3 lines

It is silent about it for quite a while now, and actually the gap between mainstream and the latest RT has never been this big before... Are there major complications, lack on time or hands? Can I help ?

I concentrated on getting stuff upstream and reworking to make it more palatable and maintainable.

Is there a working (where working means working for testing purposes) snapshot somewhere?

Thanks,
Darkbasic

#11 lore raw
In reply to Greg KH
Quoted 24 lines · Greg KH

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

I'd prefer it if you didn't answer that question...

Anyway, yes, a .33 kernel release, strange isn't it.

Turns out there are a lot of people "stuck" on the 2.6.33 kernel series for a variety of valid reasons, not the least being the Real Time patchset.  So, in the copious spare time I have, I've been trying to keep up with the patches that have been applied to the different longterm and stable kernel trees and have been queueing them up for .33 as well.

Here's the result of that.  A 474 patch series that is bigger than most people ever want to review, or see in their inboxes.  Because of that, it is ONLY being sent to the [email protected] mailing list.  If you want to see the individual patches, look at the git tree of the patch queue, or look at that mailing list.

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

Quoted 9 lines

If I missed anything that I should have in here, please let me know.

Responses should be made by Saturday, March 19, 2011, 21:00:00 UTC. Anything received after that time might be too late.

The whole patch series can be found in one patch at:
       kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8-rc1.gz and the diffstat can be found below.

There is no rc1, so I assume
http://kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8.bz2
is correct?
Which git tree do I want to use?

Thanks
John Kacur

author
#12 lore raw
Quoted 30 lines · John Kacur
Quoted 29 lines · Greg KH

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

I'd prefer it if you didn't answer that question...

Anyway, yes, a .33 kernel release, strange isn't it.

Turns out there are a lot of people "stuck" on the 2.6.33 kernel series for a variety of valid reasons, not the least being the Real Time patchset.  So, in the copious spare time I have, I've been trying to keep up with the patches that have been applied to the different longterm and stable kernel trees and have been queueing them up for .33 as well.

Here's the result of that.  A 474 patch series that is bigger than most people ever want to review, or see in their inboxes.  Because of that, it is ONLY being sent to the [email protected] mailing list.  If you want to see the individual patches, look at the git tree of the patch queue, or look at that mailing list.

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

If I missed anything that I should have in here, please let me know.

Responses should be made by Saturday, March 19, 2011, 21:00:00 UTC. Anything received after that time might be too late.

Quoted 8 lines
Quoted 4 lines

The whole patch series can be found in one patch at:
       kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8-rc1.gz and the diffstat can be found below.

There is no rc1, so I assume
http://kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8.bz2
is correct?

Doh, yes, that is correct, I forgot to put -rc in the Makefile, and my scripts just picked it up and went from there. My fault.

Quoted 1 line

Which git tree do I want to use?

There is no git tree of the expanded tree of patches, just use that patch on top of 2.6.33.7 please.

Or you can apply the quilt patchs, all 474 of them, which are included in the longterm-2.6.33 queue on git.kernel.org

thanks,

greg k-h

#13 lore raw
Quoted 43 lines · Greg KH
Quoted 30 lines · John Kacur
Quoted 29 lines · Greg KH

Yeah, I know what you are thinking, "What, 2.6.33, are you crazy?"

I'd prefer it if you didn't answer that question...

Anyway, yes, a .33 kernel release, strange isn't it.

Turns out there are a lot of people "stuck" on the 2.6.33 kernel series for a variety of valid reasons, not the least being the Real Time patchset.  So, in the copious spare time I have, I've been trying to keep up with the patches that have been applied to the different longterm and stable kernel trees and have been queueing them up for .33 as well.

Here's the result of that.  A 474 patch series that is bigger than most people ever want to review, or see in their inboxes.  Because of that, it is ONLY being sent to the [email protected] mailing list.  If you want to see the individual patches, look at the git tree of the patch queue, or look at that mailing list.

So, if you are using .33, please give this patch a test and let me know if I've messed up anything (hint, I think I did, it's up to you to figure it out, consider it a test to see if anyone actually cares about this kernel version.)

If I missed anything that I should have in here, please let me know.

Responses should be made by Saturday, March 19, 2011, 21:00:00 UTC. Anything received after that time might be too late.

Quoted 8 lines
Quoted 4 lines

The whole patch series can be found in one patch at:
       kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8-rc1.gz and the diffstat can be found below.

There is no rc1, so I assume
http://kernel.org/pub/linux/kernel/v2.6/longterm-review/patch-2.6.33.8.bz2
is correct?

Doh, yes, that is correct, I forgot to put -rc in the Makefile, and my scripts just picked it up and went from there.  My fault.

Quoted 8 lines
Quoted 1 line

Which git tree do I want to use?

There is no git tree of the expanded tree of patches, just use that patch on top of 2.6.33.7 please.

Or you can apply the quilt patchs, all 474 of them, which are included in the longterm-2.6.33 queue on git.kernel.org

Thanks, actually that was what I was looking for, the git tree of the quilt patches. Which are easy to script as git commits which makes techniques like bisection easy.

Thanks

A message that is not in the archive (sent off-list or not yet received): [email protected]

#15 lore raw

[regression] Re: [213/474] x86, hotplug: Use mwait to offline a processor, fix the legacy case

Hi,

Quoted 1 line · Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

[...]

Quoted 6 lines

From: H. Peter Anvin <[email protected]>

upstream ea53069231f9317062910d6e772cca4ce93de8c8
x86, hotplug: Use mwait to offline a processor, fix the legacy case

Here included also some small follow-on patches to the same code:

[...]

Quoted 5 lines

https://bugzilla.kernel.org/show_bug.cgi?id=5471

Signed-off-by H. Peter Anvin <[email protected]>
Signed-off-by Len Brown <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>

Sorry for the sloow response. Unfortunately this is reported to have broken hibernation on two machines: an EeePC 1002HA and an Ideapad S10-3. Frédéric writes:

| I've observed that when resuming from hibernation, sometimes my computer was
| returning to Grub2's menu (without any error message), and I had to do a
| "normal" boot on my Debian Squeeze system (with file systems corrections),
| loosing my hibernation's state.
|   The fail isn't automatic, but seems to happen more frequently after a while
| my computer was disconnected from AC and battery.

Noticed on Debian squeeze (which is based on v2.6.32.y), confirmed with unpatched v2.6.32.45 and v2.6.33.18. Backing out the patch mentioned above avoids trouble. A newer kernel (based on v2.6.39.y) does _not_ exhibit the same problem, so it looks like the problem was introduced in backporting. http://bugs.debian.org/622259 has details.

Ideas?

Thanks,
Jonathan
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#17 lore raw

Re: [stable] [regression] Re: [213/474] x86, hotplug: Use mwait to offline a processor, fix the legacy case

Quoted 30 lines · Jonathan Nieder

Hi,

Quoted 1 line · Greg KH

2.6.33-longterm review patch. If anyone has any objections, please let us know.

[...]

Quoted 6 lines

From: H. Peter Anvin <[email protected]>

upstream ea53069231f9317062910d6e772cca4ce93de8c8
x86, hotplug: Use mwait to offline a processor, fix the legacy case

Here included also some small follow-on patches to the same code:

[...]

Quoted 5 lines

https://bugzilla.kernel.org/show_bug.cgi?id=5471

Signed-off-by H. Peter Anvin <[email protected]>
Signed-off-by Len Brown <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>

Sorry for the sloow response. Unfortunately this is reported to have broken hibernation on two machines: an EeePC 1002HA and an Ideapad S10-3. Frédéric writes:

| I've observed that when resuming from hibernation, sometimes my computer was
| returning to Grub2's menu (without any error message), and I had to do a
| "normal" boot on my Debian Squeeze system (with file systems corrections),
| loosing my hibernation's state.
|   The fail isn't automatic, but seems to happen more frequently after a while
| my computer was disconnected from AC and battery.
Quoted 6 lines

Noticed on Debian squeeze (which is based on v2.6.32.y), confirmed with unpatched v2.6.32.45 and v2.6.33.18. Backing out the patch mentioned above avoids trouble. A newer kernel (based on v2.6.39.y) does _not_ exhibit the same problem, so it looks like the problem was introduced in backporting. http://bugs.debian.org/622259 has details.

Thanks for letting me know, I'll go revert that patch for the next .32 and .33 longterm releases and let everyone else work out exactly what the problem is, if they want to.

greg k-h