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* aio: only account I/O wait time in read_events if there are active requestsJeff Moyer2007-12-05
| | | | | | | | | | | | | | | | | On 2.6.24, top started showing 100% iowait on one CPU when a UML instance was running (but completely idle). The UML code sits in io_getevents waiting for an event to be submitted and completed. Fix this by checking ctx->reqs_active before scheduling to determine whether or not we are waiting for I/O. Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Cc: Zach Brown <zach.brown@oracle.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Jeff Dike <jdike@addtoit.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream-fixes' of ↵Linus Torvalds2007-12-04
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: PHY: Add the phy_device_release device method. gianfar: fix compile warning pasemi_mac: Fix reuse of free'd skb SMC911X: Fix using of dereferenced skb after netif_rx sky2: recovery deadlock fix Fix memory corruption in fec_mpc52xx Don't claim to do IPv6 checksum offload cxgb - revert file mode changes.
| * PHY: Add the phy_device_release device method.Anton Vorontsov2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Lately I've got this nice badness on mdio bus removal: Device 'e0103120:06' does not have a release() function, it is broken and must be fixed. ------------[ cut here ]------------ Badness at drivers/base/core.c:107 NIP: c015c1a8 LR: c015c1a8 CTR: c0157488 REGS: c34bdcf0 TRAP: 0700 Not tainted (2.6.23-rc5-g9ebadfbb-dirty) MSR: 00029032 <EE,ME,IR,DR> CR: 24088422 XER: 00000000 ... [c34bdda0] [c015c1a8] device_release+0x78/0x80 (unreliable) [c34bddb0] [c01354cc] kobject_cleanup+0x80/0xbc [c34bddd0] [c01365f0] kref_put+0x54/0x6c [c34bdde0] [c013543c] kobject_put+0x24/0x34 [c34bddf0] [c015c384] put_device+0x1c/0x2c [c34bde00] [c0180e84] mdiobus_unregister+0x2c/0x58 ... Though actually there is nothing broken, it just device subsystem core expects another "pattern" of resource managment. This patch implement phy device's release function, thus we're getting rid of this badness. Also small hidden bug fixed, hope none other introduced. ;-) Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * gianfar: fix compile warningGrant Likely2007-12-04
| | | | | | | | | | | | | | | | | | | | Eliminate an uninitialized variable warning. The code is correct, but a pointer to the automatic variable 'addr' is passed to dma_alloc_coherent. Since addr has never been initialized, and the compiler doesn't know what dma_alloc_coherent will do with it, it complains. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * pasemi_mac: Fix reuse of free'd skbOlof Johansson2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | Turns out we're freeing the skb when we detect CRC error, but we're not clearing out info->skb. We could either clear it and have the stack reallocate it, or just leave it and the rx ring refill code will reuse the one that was allocated. Reusing a freed skb obviously caused some nasty crashes of various kind, as reported by Brent Baude and David Woodhouse. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * SMC911X: Fix using of dereferenced skb after netif_rxWang Chen2007-12-04
| | | | | | | | | | Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * sky2: recovery deadlock fixStephen Hemminger2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | Prevent deadlock in sky2 recovery logic. sky2_down calls napi_synchronize which gets stuck if napi was already disabled. Fix by rearranging slightly and not calling napi_disable until after both ports are stopped. The napi_disable probably is being overly paranoid, but it is safe now. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * Fix memory corruption in fec_mpc52xxJon Smirl2007-12-04
| | | | | | | | | | | | | | | | | | | | | | The mpc5200 fec driver is corrupting memory. This patch fixes two bugs where the wrong skb was being referenced. Signed-off-by: Jon Smirl <jonsmirl@gmail.com> Acked-by: Domen Puncer <domen.puncer@telargo.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * Don't claim to do IPv6 checksum offloadDavid Woodhouse2007-12-04
| | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * cxgb - revert file mode changes.Divy Le Ray2007-12-04
| | | | | | | | | | | | | | revert inavertant file mode changes Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | pata_amd/pata_via: de-couple programming of PIO/MWDMA and UDMA timingsBartlomiej Zolnierkiewicz2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Don't program UDMA timings when programming PIO or MWDMA modes. This has also a nice side-effect of fixing regression added by commit 681c80b5d96076f447e8101ac4325c82d8dce508 ("libata: correct handling of SRST reset sequences") (->set_piomode method for PIO0 is called before ->cable_detect method which checks UDMA timings to get the cable type). * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Tested-by: "Thomas Lindroth" <thomas.lindroth@gmail.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | ahci: add the Device IDs of MCP79 AHCI controller to ahci.cpeerchen2007-12-04
| | | | | | | | | | | | | | Add the device IDs of legacy mode of MCP79 AHCI controller to ahci.c Signed-off-by: Peer Chen <peerchen@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | sata_mv: Warn about HPT RocketRAID BIOS treatment of "Legacy" drivesMark Lord2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Highpoint RocketRAID boards using Marvell 7042 chips overwrite the 9th sector of attached drives at boot time, when those drives are configured as "Legacy" (the default) in the HighPoint BIOS. This kills GRUB, and probably other stuff. But it all happens *before* Linux is even loaded. So, for now we'll log a WARNING when such boards are detected, and advise users to configure BIOS "JBOD" volumes instead, which don't appear to suffer from this problem. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | sata_nv: don't use legacy DMA in ADMA mode (v3)Robert Hancock2007-12-04
|/ | | | | | | | | | | | We need to run any DMA command with result taskfile requested in ADMA mode when the port is in ADMA mode, otherwise it may try to use the legacy DMA engine in ADMA mode which is not allowed. Enforce this with BUG_ON() since data corruption could potentially result if this happened. Also, fail any attempt to try and issue NCQ commands with result taskfile requested, since the hardware doesn't allow this. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2007-12-04
|\ | | | | | | | | | | | | | | | | * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Make sure the restore psw masks are initialized. [S390] Fix compile error on 31bit without preemption [S390] dcssblk: prevent early access without own make_request function [S390] cio: add missing reprobe loop end statement [S390] cio: Issue SenseID per path.
| * [S390] Make sure the restore psw masks are initialized.Heiko Carstens2007-12-04
| | | | | | | | | | | | | | | | | | In case of TRACE_IRQFLAGS the restore psw masks will not be initialized if noexec is turned on. This will lead to an immediate system crash. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Fix compile error on 31bit without preemptionChristian Borntraeger2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit b8e7a54cd06b0b0174029ef3a7f5a1415a2c28f2 introduced a compile error if CONFIG_PREEMPT is not set: arch/s390/kernel/built-in.o: In function `cleanup_io_leave_insn': /space/kvm/arch/s390/kernel/entry.S:(.text+0xbfce): undefined reference to `preempt_schedule_irq' This patch hides preempt_schedule_irq if CONFIG_PREEMPT is not set. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] dcssblk: prevent early access without own make_request functionChristian Borntraeger2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When loading a dcss segment with the dcssblk driver, sometimes the following kind of message appears: bio too big device dcssblk0 (8 > 0) Buffer I/O error on device dcssblk0, logical block 172016 .. The fix is to move the disk registration after setting the make_request function, to avoid calls into generic_make_request for dcssblock without having the make_request function set up properly. Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: add missing reprobe loop end statementPeter Oberparleiter2007-12-04
| | | | | | | | | | | | | | Add loop end statement to prevent looping over empty subchannel sets. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Issue SenseID per path.Cornelia Huck2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | We may receive a unit check for every path when we issue a SenseID. Unfortunately, the channel subsystem will try on a different path every time if we use a lpm of 0xff, which will exhaust our retry counter. Therefore, revert SenseID to its previous per-path behaviour and just leave out the suspend multipath reconnect. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds2007-12-04
|\ \ | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: arch_register_cpu() section fix x86: free_cache_attributes() section fix x86: add the word 'WARNING' in check_nmi_watchdog() output x86: revert CONFIG_X86_HT semantics change
| * | x86: arch_register_cpu() section fixAndrew Morton2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fix this on i386 allnoconfig: WARNING: vmlinux.o(.text+0x6f2e): Section mismatch: reference to .init.text:register_cpu (between 'arch_register_cpu' and 'text_poke') Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: free_cache_attributes() section fixAdrian Bunk2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | free_cache_attributes() must be __cpuinit since it calls the __cpuinit cache_remove_shared_cpu_map(). This patch fixes the following section mismatch reported by Chris Clayton: ... WARNING: vmlinux.o(.text+0x90b6): Section mismatch: reference to .init.text:cache_remove_shared_cpu_map (between 'free_cache_attributes' and 'show_level') ... Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: add the word 'WARNING' in check_nmi_watchdog() outputDon Zickus2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Our automated test suite looks for keywords like error, fail, warning in the boot log. In the case when the nmi watchdog is determined to be stuck in check_nmi_watchdog(), none of those keywords are displayed. This patch adds a keyword, "WARNING:", so it makes it easier to notice when the nmi watchdog isn't working correctly. Also add a proper KERN_WARNING mark to this printout. Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: revert CONFIG_X86_HT semantics changeAdrian Bunk2007-12-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent Kconfig changes in x86 resulted in CONFIG_X86_HT no longer being set if (X86_32 && MK8). After grep'ing through the tree I think the problem is that different places have different assumptions about the semantics of CONFIG_X86_HT, either: - hyperthreading or - multicore This should be sorted out properly, but until then we should keep the 2.6.23 status quo. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds2007-12-04
|\ \ | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: default to more agressive yield for SCHED_BATCH tasks sched: fix crash in sys_sched_rr_get_interval()
| * | sched: default to more agressive yield for SCHED_BATCH tasksIngo Molnar2007-12-04
| | | | | | | | | | | | | | | | | | | | | | | | do more agressive yield for SCHED_BATCH tuned tasks: they are all about throughput anyway. This allows a gentler migration path for any apps that relied on stronger yield. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sched: fix crash in sys_sched_rr_get_interval()Ingo Molnar2007-12-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Luiz Fernando N. Capitulino reported that sched_rr_get_interval() crashes for SCHED_OTHER tasks that are on an idle runqueue. The fix is to return a 0 timeslice for tasks that are on an idle runqueue. (and which are not running, obviously) this also shrinks the code a bit: text data bss dec hex filename 47903 3934 336 52173 cbcd sched.o.before 47885 3934 336 52155 cbbb sched.o.after Reported-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | MAINTAINERS: remove the MTRR entryAdrian Bunk2007-12-04
| | | | | | | | | | | | | | | | | | | | | | I haven't seen Richard doing MTRR related work for quite some time, and the "X86 ARCHITECTURE" entry in MAINTAINERS already covers the people currently responsible for this code. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | drivers/s390/net/ctcmain.c: fix build bugIngo Molnar2007-12-04
|/ | | | | | | SET_MODULE_OWNER() is obsolete. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Linux 2.6.24-rc4Linus Torvalds2007-12-03
|
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.24Linus Torvalds2007-12-03
|\ | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.24: sh: Support PCI IO access of SH7780 base boards. sh: Fix PCI IO space base address of SH7780.
| * sh: Support PCI IO access of SH7780 base boards.Nobuhiro Iwamatsu2007-11-30
| | | | | | | | | | | | | | | | | | The IO access of PCI is not supported in R7780RP and the MS7780SE board now. The support of the IO access mode of e100 and a lot of IDE chips becomes possible by fixing the code. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix PCI IO space base address of SH7780.Nobuhiro Iwamatsu2007-11-30
| | | | | | | | | | | | | | | | PCI IO space base address of SH7780 was wrong. Change from 0xFE400000 to 0xFE200000. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | [MIPS] BCM1480: Fix interrupt routing.Ralf Baechle2007-12-03
| | | | | | | | | | | | | | The old code did did only work as long as CFE and the kernel were using the same interrupt numbering ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds2007-12-03
|\ \ | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: fix x86-32 early fixmap initialization. x86: disable hpet legacy replacement for kdump x86: disable hpet on shutdown
| * | x86: fix x86-32 early fixmap initialization.Eric W. Biederman2007-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pageexec@freemail.hu writes: > i've just noticed that the chunk in i386/kernel/head.S ended up in a > weird place, namely, it's not going to be executed as it's just after > a 'jmp 3f' and before startup_32_smp, probably not what you intended. > on a sidenote, the whole thing can be done in a single insn, like: > > movl $(swapper_pg_pmd - __PAGE_OFFSET + 0x067), (swapper_pg_dir - > __PAGE_OFFSET+ 4092) Thanks for the reminder I thought we had fixed this problem a while ago. Needed to get fixed virtual address for USB debug and earlycon with mmio. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: disable hpet legacy replacement for kdumpOGAWA Hirofumi2007-12-03
| | | | | | | | | | | | | | | | | | | | | | | | we should also add hpet_disable() for kdump. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: disable hpet on shutdownOGAWA Hirofumi2007-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If HPET was enabled by pci quirks, we use i8253 as initial clockevent because pci quirks doesn't run until pci is initialized. The above means the kernel (or something) is assuming HPET legacy replacement is disabled and can use i8253 at boot. If we used kexec, it isn't true. So, this patch disables HPET legacy replacement for kexec in machine_shutdown(). Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | Merge branch 'merge' of ↵Linus Torvalds2007-12-03
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Remove xmon from ml300 and ml403 defconfig in arch/ppc Revert "[POWERPC] Fix RTAS os-term usage on kernel panic"
| * | | [POWERPC] Remove xmon from ml300 and ml403 defconfig in arch/ppcGrant Likely2007-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | xmon is broken under arch/ppc so remove it from the defconfig. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | | Revert "[POWERPC] Fix RTAS os-term usage on kernel panic"Paul Mackerras2007-12-03
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit a2b51812a4dc5db09ab4d4638d4d8ed456e2457e. It turns out that this change caused some machines to fail to come back up when being rebooted, and generated an error in the hypervisor error log on some machines. The platform architecture (PAPR) is a little unclear on exactly when the RTAS ibm,os-term function should be called. Until that is clarified I'm reverting this commit. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | Merge branch 'release' of ↵Linus Torvalds2007-12-03
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPICA: fix acpi-cpufreq boot crash due to _PSD return-by-reference ACPI: Delete the IRQ operation in throttling controll via PTC
| * \ \ Pull bugzilla-9429 into release branchLen Brown2007-12-02
| |\ \ \
| | * | | ACPICA: fix acpi-cpufreq boot crash due to _PSD return-by-referenceBob Moore2007-12-02
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changed resolution of named references in packages Fixed a problem with the Package operator where all named references were created as object references and left otherwise unresolved. According to the ACPI specification, a Package can only contain Data Objects or references to control methods. The implication is that named references to Data Objects (Integer, Buffer, String, Package, BufferField, Field) should be resolved immediately upon package creation. This is the approach taken with this change. References to all other named objects (Methods, Devices, Scopes, etc.) are all now properly created as reference objects. http://bugzilla.kernel.org/show_bug.cgi?id=5328 http://bugzilla.kernel.org/show_bug.cgi?id=9429 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | Pull thermal into release branchLen Brown2007-12-02
| |\ \ \ | | |/ / | |/| |
| | * | ACPI: Delete the IRQ operation in throttling controll via PTCZhao Yakui2007-12-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IRQ operation(enable/disable) should be avoided when throttling is controlled via PTC method. It is replaced by the migration of task. This fixes an oops on T61 -- a regression due to f79f06ab9f86 b/c FixedHW support tried to read remote MSR with interrupts disabled. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds2007-12-03
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: cpu accounting controller (V2)
| * | | | sched: cpu accounting controller (V2)Srivatsa Vaddagiri2007-12-02
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit cfb5285660aad4931b2ebbfa902ea48a37dfffa1 removed a useful feature for us, which provided a cpu accounting resource controller. This feature would be useful if someone wants to group tasks only for accounting purpose and doesnt really want to exercise any control over their cpu consumption. The patch below reintroduces the feature. It is based on Paul Menage's original patch (Commit 62d0df64065e7c135d0002f069444fbdfc64768f), with these differences: - Removed load average information. I felt it needs more thought (esp to deal with SMP and virtualized platforms) and can be added for 2.6.25 after more discussions. - Convert group cpu usage to be nanosecond accurate (as rest of the cfs stats are) and invoke cpuacct_charge() from the respective scheduler classes - Make accounting scalable on SMP systems by splitting the usage counter to be per-cpu - Move the code from kernel/cpu_acct.c to kernel/sched.c (since the code is not big enough to warrant a new file and also this rightly needs to live inside the scheduler. Also things like accessing rq->lock while reading cpu usage becomes easier if the code lived in kernel/sched.c) The patch also modifies the cpu controller not to provide the same accounting information. Tested-by: Balbir Singh <balbir@linux.vnet.ibm.com> Tested the patches on top of 2.6.24-rc3. The patches work fine. Ran some simple tests like cpuspin (spin on the cpu), ran several tasks in the same group and timed them. Compared their time stamps with cpuacct.usage. Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds2007-12-03
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] NCR5380: Fix bugs and canonicalize irq handler usage [SCSI] zfcp: fix cleanup of dismissed error recovery actions [SCSI] zfcp: fix dismissal of error recovery actions [SCSI] qla1280: convert to use the data buffer accessors [SCSI] iscsi: return data transfer residual for data-out commands [SCSI] iscsi_tcp: fix potential lockup with write commands [SCSI] aacraid: fix security weakness [SCSI] aacraid: fix up le32 issues in BlinkLED [SCSI] aacraid: fix potential panic in thread stop [SCSI] aacraid: don't assign cpu_to_le32(constant) to u8
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