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2008-11-12MN10300: Extract the displacement from an insn correctly in misalignment fixupDavid Howells1-13/+13
Extract the displacement from an MN10300 instruction correctly in the misalignment fixup handler. The code should extract the displacement in LSB order, not MSB order. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-12MN10300: Add further misalignment fixupsDavid Howells1-1/+53
Add further misalignment fixup support to the MN10300 arch, notably for ABS32 and SP+disp addressing. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-12MN10300: Add built-in testing for misalignment handlerDavid Howells2-0/+170
Add configurable built-in testing for the MN10300 misalignment handler. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-12MN10300: Clean up the misalignment handler a littleDavid Howells1-18/+9
Clean up the MN10300 misalignment handler a little by: (1) Use ilog2() rather than doing implementing log2() locally. (2) Make format_tbl[] const and static. (3) Making the debugging prints more consistent. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-12Merge branch 'kvm-updates/2.6.28' of ↵Linus Torvalds9-10/+23
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: Fix pit memory leak if unable to allocate irq source id KVM: ia64: fix vmm_spin_{un}lock for !CONFIG_SMP KVM: VMX: Set IGMT bit in EPT entry KVM: Require the PCI subsystem x86: KVM guest: fix section mismatch warning in kvmclock.c KVM: ia64: Use guest signal mask when blocking KVM: MMU: increase per-vcpu rmap cache alloc size
2008-11-12parisc: fix find_extend_vma() breakageDenys Vlasenko1-1/+1
The STACK_GROWSUP case of stack expansion was missing a test for 'prev', which got removed by commit cb8f488c33539f096580e202f5438a809195008f ("mmap.c: deinline a few functions") by mistake. I found my original email in "sent" folder. The patch in that mail does NOT remove !prev. That change had beed added by someone else. Ok, I think we are not much interested in who did it, let's fix it for good. [ "It looks like this was caused by me fixing rejects. That was the fancy include-lots-of-context-so-it-wont-apply patch." - akpm ] Reported-and-bisected-by: Helge Deller <deller@gmx.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-12Merge branch 'release' of ↵Linus Torvalds56-390/+937
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: (47 commits) ACPI: pci_link: remove acpi_irq_balance_set() interface fujitsu-laptop: Add DMI callback for Lifebook S6420 ACPI: EC: Don't do transaction from GPE handler in poll mode. ACPI: EC: lower interrupt storm treshold ACPICA: Use spinlock for acpi_{en|dis}able_gpe ACPI: EC: restart failed command ACPI: EC: wait for last write gpe ACPI: EC: make kernel messages more useful when GPE storm is detected ACPI: EC: revert msleep patch thinkpad_acpi: fingers off backlight if video.ko is serving this functionality sony-laptop: fingers off backlight if video.ko is serving this functionality msi-laptop: fingers off backlight if video.ko is serving this functionality fujitsu-laptop: fingers off backlight if video.ko is serving this functionality eeepc-laptop: fingers off backlight if video.ko is serving this functionality compal: fingers off backlight if video.ko is serving this functionality asus-acpi: fingers off backlight if video.ko is serving this functionality Acer-WMI: fingers off backlight if video.ko is serving this functionality ACPI video: if no ACPI backlight support, use vendor drivers ACPI: video: Ignore devices that aren't present in hardware Delete an unwanted return statement at evgpe.c ...
2008-11-12Merge branches 'cxgb3', 'ehca', 'ipath', 'ipoib', 'mlx4' and 'nes' into for-nextRoland Dreier9-50/+106
2008-11-12IPoIB: Fix crash in path_rec_completion()Yossi Etigin1-1/+1
Fix a crash in path_rec_completion() during an SM up/down loop. If more than one path record request is issued, the first completion releases path->done, allowing ipoib_flush_paths() to free the path, and thus corrupting it for the second completion. Commit ee1e2c82 ("IPoIB: Refresh paths instead of flushing them on SM change events") added the field path->valid and changed the test "if (!path)" to "if (!path || !path->valid)". This change made it possible for a path with an outstanding query to pass the test and issue another query on the same path. Having two queries on the same path leads to a crash. This fixes <https://bugs.openfabrics.org/show_bug.cgi?id=1325>. Signed-off-by: Yossi Etigin <yosefe@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-11-12IPoIB: Fix hang in ipoib_flush_paths()Yossi Etigin1-0/+1
ipoib_flush_paths() can hang during an SM up/down loop: if path_rec_start() fails (for instance, because there is no sm_ah), the path is still added to the path list by neigh_add_path(). Then, ipoib_flush_paths() will wait for path->done, but it will never complete because the request was not issued at all. Fix this by completing path->done if issuing the query fails. This fixes <https://bugs.openfabrics.org/show_bug.cgi?id=1329>. Signed-off-by: Yossi Etigin <yosefe@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-11-12IPoIB: Don't enable NAPI when it's already enabledYossi Etigin1-1/+2
If a P_Key is not present when an interface is created, ipoib_open() will return after doing napi_enable(). ipoib_open() will be called again from ipoib_pkey_poll() when the P_Key appears, after NAPI has already been enabled, and try to enable it again. This triggers a BUG_ON() in napi_enable(). Fix this by moving the call to napi_enable() to after the test for P_Key presence. Signed-off-by: Yossi Etigin <yosefe@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-11-12RDMA/cxgb3: Fix deadlock in iw_cxgb3 (hang when configuring interface)Steve Wise2-6/+2
When the iw_cxgb3 module's cxgb3_client "add" func gets called by the cxgb3 module, the iwarp driver ends up calling the ethtool ops get_drvinfo function in cxgb3 to get the fw version and other info. Currently the iwarp driver grabs the rtnl lock around this down call to serialize. As of 2.6.27 or so, things changed such that the rtnl lock is held around the call to the netdev driver open function. Also the cxgb3_client "add" function doesn't get called if the device is down. So, if you load cxgb3, then load iw_cxgb3, then ifconfig up the device, the iw_cxgb3 add func gets called with the rtnl_lock held. If you load cxgb3, ifconfig up the device, then load iw_cxgb3, the add func gets called without the rtnl_lock held. The former causes the deadlock, the latter does not. In addition, there are iw_cxgb3 sysfs handlers that also can call down into cxgb3 to gather the fw and hw versions. These can be called concurrently on different processors and at any time. Thus we need to push this serialization down in the cxgb3 driver get_drvinfo func. The fix is to remove rtnl lock usage, and use a per-device lock in cxgb3. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Acked-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-11-12net: put_cmsg_compat + SO_TIMESTAMP[NS]: use same name for value as callerPatrick Ohly1-2/+2
In __sock_recv_timestamp() the additional SCM_TIMESTAMP[NS] is used. This has the same value as SO_TIMESTAMP[NS], so this is a purely cosmetic change. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-12tcp_htcp: last_cong bug fixDoug Leith1-4/+10
This patch fixes a minor bug in tcp_htcp.c which has been highlighted by Lachlan Andrew and Lawrence Stewart. Currently, the time since the last congestion event, which is stored in variable last_cong, is reset whenever there is a state change into TCP_CA_Open. This includes transitions of the type TCP_CA_Open->TCP_CA_Disorder->TCP_CA_Open which are not associated with backoff of cwnd. The patch changes last_cong to be updated only on transitions into TCP_CA_Open that occur after experiencing the congestion-related states TCP_CA_Loss, TCP_CA_Recovery, TCP_CA_CWR. Signed-off-by: Doug Leith <doug.leith@nuim.ie> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-12Merge branch 'topic/fix/hda' into for-linusTakashi Iwai1-22/+63
2008-11-12ALSA: hda - Fix IDT/STAC multiple HP detectionTakashi Iwai1-14/+45
Due to the recent change for multiple HP as line-out switch, only one of the multiple headphons (usually a wrong one) is toggled and the other pins are still disabled. This causes the silent output problem on some Dell laptops. Also, the hp_switch check is screwed up when a line-in or a mic-in jack exists. This is added as an additional output, but hp_switch check doesn't take it into account. This patch fixes these issues: simplify hp_switch check by using the NID instead of bool, and clean up / fix the toggle of HP pins in unsol event handler code. Reference: Novell bnc#443267 https://bugzilla.novell.com/show_bug.cgi?id=443267 Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-11-12hrtimer: clean up unused callback modesPeter Zijlstra2-14/+0
Impact: cleanup git grep HRTIMER_CB_IRQSAFE revealed half the callback modes are actually unused. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-12Merge branch 'ec' into releaseLen Brown6-66/+81
2008-11-12Merge branch 'processor-256' into releaseLen Brown3-38/+51
2008-11-12Merge branch 'video' into releaseLen Brown16-84/+469
Conflicts: Documentation/kernel-parameters.txt Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12Merge branch 'sysfs' into releaseLen Brown7-16/+16
2008-11-12Merge branch 'sony' into releaseLen Brown0-0/+0
2008-11-12Merge branch 'power' into releaseLen Brown1-6/+2
2008-11-12Merge branch 'misc' into releaseLen Brown36-151/+277
2008-11-12Merge branch 'bugzilla-11917' into releaseLen Brown1-1/+2
2008-11-12Merge branch 'bugzilla-11539' into releaseLen Brown1-8/+17
2008-11-12Merge branch 'bugzilla-11312' into releaseLen Brown4-20/+22
2008-11-12ACPI: pci_link: remove acpi_irq_balance_set() interfaceBjorn Helgaas3-4/+9
This removes the acpi_irq_balance_set() interface from the PCI interrupt link driver. x86 used acpi_irq_balance_set() to tell the PCI interrupt link driver to configure links to minimize IRQ sharing. But the link driver can easily figure out whether to turn on IRQ balancing based on the IRQ model (PIC/IOAPIC/etc), so we can get rid of that external interface. It's better for the driver to figure this out at init-time. If we set it externally via the x86 code, the interface reduces modularity, and we depend on the fact that acpi_process_madt() happens before we process the kernel command line. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12fujitsu-laptop: Add DMI callback for Lifebook S6420Tony Vroon1-0/+15
The Lifebook S6420 is the ICH9M-based follow-up to the S6410. The application panel contains the following keys: lock, mobility center, eco, info. Whilst key 4 might be more appropriate for help then key 2, I've done things the S6410 way. I can confirm that backlight control is functional, and that the lock key activates the Gnome screensaver as expected. Signed-off-by: Tony Vroon <tony@linx.net> Acked-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12Merge branch 'davem-fixes' of ↵David S. Miller5-10/+16
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2008-11-12IB/ehca: Remove reference to special QP in case of port activation failureStefan Roscher2-16/+33
If the initialization of a special QP (e.g. AQP1) fails due to a software timeout, we have to remove the reference to that special QP struct from the port struct to stop the driver from accessing the QP, since it will be/has been destroyed by the caller, eg in this case ib_mad. Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-11-12ACPI: EC: Don't do transaction from GPE handler in poll mode.Alexey Starikovskiy1-3/+6
Referencies: http://bugzilla.kernel.org/show_bug.cgi?id=12004 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPI: EC: lower interrupt storm tresholdAlexey Starikovskiy1-1/+1
http://bugzilla.kernel.org/show_bug.cgi?id=11892 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPICA: Use spinlock for acpi_{en|dis}able_gpeAlexey Starikovskiy6-40/+23
Disabling gpe might interfere with gpe detection/handling, thus producing "interrupt not handled" errors. Ironically, disabling of GPE from interrupt context is already under spinlock, so only userspace needs to start using it. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPI: EC: restart failed commandAlexey Starikovskiy1-12/+29
Restart current transaction if we recieved unexpected GPEs instead of needed ones. http://bugzilla.kernel.org/show_bug.cgi?id=11896 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPI: EC: wait for last write gpeAlexey Starikovskiy1-8/+13
There is a possibility that EC might break if next command is issued within 1 us after write or burst-disable command. Suggestd-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPI: EC: make kernel messages more useful when GPE storm is detectedAlan Jenkins1-3/+10
Make sure we can tell if the GPE storm workaround gets activated, and avoid flooding the logs afterwards. http://bugzilla.kernel.org/show_bug.cgi?id=11841 "plenty of line "ACPI: EC: non-query interrupt received, switching to interrupt mode" in dmesg" Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-12ACPI: EC: revert msleep patchAlexey Starikovskiy1-2/+2
With the better solution for EC interrupt storm issue, there is no need to use msleep over udelay. References: http://bugzilla.kernel.org/show_bug.cgi?id=11810 http://bugzilla.kernel.org/show_bug.cgi?id=10724 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-11dmaengine: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2-13/+13
Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-11-11iop-adma: use iop_paranoia() for debug BUG_ONsDan Williams4-4/+12
Now that the critical read back to flush the next descriptor address is fixed we can downgrade some BUG_ONs that need only be enabled when testing changes to the driver. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-11-11iop-adma: add a dummy read to flush next descriptor updateDan Williams1-4/+5
The current dummy read references the wrong address allowing the next descriptor address update to linger in the store buffer and get passed by an 'append' event. This issue was uncovered by the change from strongly-ordered to device memory for the adma registers. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-11-11KVM: Fix pit memory leak if unable to allocate irq source idAvi Kivity1-1/+3
Reported-By: Daniel Marjamäki <danielm77@spray.se> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-11-11KVM: ia64: fix vmm_spin_{un}lock for !CONFIG_SMPXiantao Zhang1-0/+5
In the case of !CONFIG_SMP, raw_spinlock_t is empty and the spinlock functions don't build. Fix by defining spinlock functions for the uniprocessor case. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2008-11-11KVM: VMX: Set IGMT bit in EPT entrySheng Yang2-1/+3
There is a potential issue that, when guest using pagetable without vmexit when EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory, which would be inconsistent with host side and would cause host MCE due to inconsistent cache attribute. The patch set IGMT bit in EPT entry to ignore guest PAT and use WB as default memory type to protect host (notice that all memory mapped by KVM should be WB). Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2008-11-11KVM: Require the PCI subsystemAvi Kivity2-0/+4
PCI device assignment makes calls to pci code, so require it to be built into the kernel. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-11-11x86: KVM guest: fix section mismatch warning in kvmclock.cRakib Mullick1-1/+1
WARNING: arch/x86/kernel/built-in.o(.text+0x1722c): Section mismatch in reference from the function kvm_setup_secondary_clock() to the function .devinit.text:setup_secondary_APIC_clock() The function kvm_setup_secondary_clock() references the function __devinit setup_secondary_APIC_clock(). This is often because kvm_setup_secondary_clock lacks a __devinit annotation or the annotation of setup_secondary_APIC_clock is wrong. Signed-off-by: Md.Rakib H. Mullick <rakib.mullick@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Avi Kivity <avi@redhat.com>
2008-11-11Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds4-6/+26
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: timers: handle HRTIMER_CB_IRQSAFE_UNLOCKED correctly from softirq context nohz: disable tick_nohz_kick_tick() for now irq: call __irq_enter() before calling the tick_idle_check x86: HPET: enter hpet_interrupt_handler with interrupts disabled x86: HPET: read from HPET_Tn_CMP() not HPET_T0_CMP x86: HPET: convert WARN_ON to WARN_ON_ONCE
2008-11-11KVM: ia64: Use guest signal mask when blockingXiantao Zhang1-6/+6
Before a vcpu blocks, it should switch to the guest signal mask to allow signals to unblock it. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2008-11-11KVM: MMU: increase per-vcpu rmap cache alloc sizeMarcelo Tosatti1-1/+1
The page fault path can use two rmap_desc structures, if: - walk_addr's dirty pte update allocates one rmap_desc. - mmu_lock is dropped, sptes are zapped resulting in rmap_desc being freed. - fetch->mmu_set_spte allocates another rmap_desc. Increase to 4 for safety. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2008-11-11Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds5-26/+48
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: release buddies on yield fix for account_group_exec_runtime(), make sure ->signal can't be freed under rq->lock sched: clean up debug info
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