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* KVM: get rid of kvm_create_vm() unused label warning on s390Heiko Carstens2009-12-271-0/+3
| | | | | | | | arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm': arch/s390/kvm/../../../virt/kvm/kvm_main.c:409: warning: label 'out_err' defined but not used Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: powerpc: Fix mtsrin in book3s_64 mmuAlexander Graf2009-12-271-1/+21
| | | | | | | | | | | We were shifting the Ks/Kp/N bits one bit too far on mtsrin. It took me some time to figure that out, so I also put in some debugging and a comment explaining the conversion. This fixes current OpenBIOS boot on PPC64 KVM. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: ia64: fix build breakage due to host spinlock changeLuck, Tony2009-12-273-6/+9
| | | | | | | | | | | | | | | Len Brown pointed out that allmodconfig is broken for ia64 because of: arch/ia64/kvm/vmm.c: In function 'vmm_spin_unlock': arch/ia64/kvm/vmm.c:70: error: 'spinlock_t' has no member named 'raw_lock' KVM has it's own spinlock routines. It should not depend on the base kernel spinlock_t type (which changed when ia64 switched to ticket locks). Define its own vmm_spinlock_t type. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: x86: Extend KVM_SET_VCPU_EVENTS with selective updatesJan Kiszka2009-12-273-5/+21
| | | | | | | | | | | User space may not want to overwrite asynchronously changing VCPU event states on write-back. So allow to skip nmi.pending and sipi_vector by setting corresponding bits in the flags field of kvm_vcpu_events. [avi: advertise the bits in KVM_GET_VCPU_EVENTS] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: LAPIC: make sure IRR bitmap is scanned after vm loadMarcelo Tosatti2009-12-271-0/+1
| | | | | | | | | | The vcpus are initialized with irr_pending set to false, but loading the LAPIC registers with pending IRR fails to reset the irr_pending variable. Cc: stable@kernel.org Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: Fix possible circular locking in kvm_vm_ioctl_assign_device()Sheng Yang2009-12-272-4/+4
| | | | | | | | | | | | | | | | | | One possible order is: KVM_CREATE_IRQCHIP ioctl(took kvm->lock) -> kvm_iobus_register_dev() -> down_write(kvm->slots_lock). The other one is in kvm_vm_ioctl_assign_device(), which take kvm->slots_lock first, then kvm->lock. Update the comment of lock order as well. Observe it due to kernel locking debug warnings. Cc: stable@kernel.org Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* KVM: MMU: remove prefault from invlpg handlerMarcelo Tosatti2009-12-271-18/+0
| | | | | | | | | | | | | | | | | | The invlpg prefault optimization breaks Windows 2008 R2 occasionally. The visible effect is that the invlpg handler instantiates a pte which is, microseconds later, written with a different gfn by another vcpu. The OS could have other mechanisms to prevent a present translation from being used, which the hypervisor is unaware of. While the documentation states that the cpu is at liberty to prefetch tlb entries, it looks like this is not heeded, so remove tlb prefetch from invlpg. Cc: stable@kernel.org Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* Linux 2.6.33-rc2v2.6.33-rc2Linus Torvalds2009-12-241-1/+1
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* Merge branch 'sysctl' of ↵Linus Torvalds2009-12-242-5/+37
|\ | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc-2.6 * 'sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc-2.6: SYSCTL: Add a mutex to the page_alloc zone order sysctl SYSCTL: Print binary sysctl warnings (nearly) only once
| * SYSCTL: Add a mutex to the page_alloc zone order sysctlAndi Kleen2009-12-231-4/+7
| | | | | | | | | | | | | | | | The zone list code clearly cannot tolerate concurrent writers (I couldn't find any locks for that), so simply add a global mutex. No need for RCU in this case. Signed-off-by: Andi Kleen <ak@linux.intel.com>
| * SYSCTL: Print binary sysctl warnings (nearly) only onceAndi Kleen2009-12-231-1/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When printing legacy sysctls print the warning message for each of them only once. This way there is a guarantee the syslog won't be flooded for any sane program. The original attempt at this made the tables non const and stored the flag inline. Linus suggested using a separate hash table for this, this is based on a code snippet from him. The hash implies this is not exact and can sometimes not print a new sysctl due to a hash collision, but in practice this should not be a problem I used a FNV32 hash over the binary string with a 32byte bitmap. This gives relatively little collisions when all the predefined binary sysctls are hashed: size 256 bucket length number 0: [25] 1: [67] 2: [88] 3: [47] 4: [22] 5: [6] 6: [1] The worst case is a single collision of 6 hash values. Signed-off-by: Andi Kleen <ak@linux.intel.com>
* | Merge branch 'hwpoison' of ↵Linus Torvalds2009-12-242-1/+10
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6 * 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: Add PROC_FS dependency to hwpoison injector v2
| * | HWPOISON: Add PROC_FS dependency to hwpoison injector v2Andi Kleen2009-12-212-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The injector filter requires stable_page_flags() which is supplied by procfs. So make it dependent on that. Also add ifdefs around the filter code in memory-failure.c so that when the filter is disabled due to missing dependencies the whole code still builds. Reported-by: Ingo Molnar Signed-off-by: Andi Kleen <ak@linux.intel.com>
* | | Merge branch 'release' of ↵Linus Torvalds2009-12-2432-664/+1432
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (34 commits) classmate-laptop: add support for Classmate PC ACPI devices hp-wmi: Fix two memleaks acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIAS dell-wmi: do not keep driver loaded on unsupported boxes wmi: Free the allocated acpi objects through wmi_get_event_data drivers/platform/x86/acerhdf.c: check BIOS information whether it begins with string of table acerhdf: add new BIOS versions acerhdf: limit modalias matching to supported toshiba_acpi: convert to seq_file asus_acpi: convert to seq_file ACPI: do not select ACPI_DOCK from ATA_ACPI sony-laptop: enumerate rfkill devices using SN06 sony-laptop: rfkill support for newer models ACPI: fix OSC regression that caused aer and pciehp not to load MAINTAINERS: add maintainer for msi-wmi driver fujitu-laptop: fix tests of acpi_evaluate_integer() return value arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts by using smp_call_function_any() ACPI: processor: remove _PDC object list from struct acpi_processor ACPI: processor: change acpi_processor_set_pdc() interface ACPI: processor: open code acpi_processor_cleanup_pdc ...
| * \ \ Merge branch 'misc-2.6.33' into releaseLen Brown2009-12-2412-305/+431
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| | * | | hp-wmi: Fix two memleaksThomas Renninger2009-12-241-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIASThomas Renninger2009-12-242-13/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that we have WMI autoloading the DMI matching is not needed anymore. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Acked-by: Anisse Astier <anisse@astier.eu> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | dell-wmi: do not keep driver loaded on unsupported boxesDmitry Torokhov2009-12-241-22/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no point in having the driver loaded in memory if we fail to locate particular WMI GUID. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | wmi: Free the allocated acpi objects through wmi_get_event_dataAnisse Astier2009-12-243-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These function allocate an acpi object by calling wmi_get_event_data, which then calls acpi_evaluate_object, and it is not freed afterwards. And kernel doc is fixed for parameters of wmi_get_event_data. Signed-off-by: Anisse Astier <anisse@astier.eu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | drivers/platform/x86/acerhdf.c: check BIOS information whether it begins ↵Peter Feuerer2009-12-241-18/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with string of table BIOS information is now checked whether it begins with the strings stored in the BIOS table. Previous method did a strcmp, what lead to problems if BIOS information has appended whitespaces. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | acerhdf: add new BIOS versionsPeter Feuerer2009-12-241-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new BIOS versions for following netbooks: Aspire 1810xx, Packard Bell DOTMU. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | acerhdf: limit modalias matching to supportedStefan Bader2009-12-241-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BugLink: https://bugs.launchpad.net/ubuntu/+bug/435958 The module alias currently matches any Acer computer but when loaded the BIOS checks will only succeed on Aspire One models. This causes a invalid BIOS warning for all other models (seen on Aspire 4810T). This is not fatal but worries users that see this message. Limiting the moule alias to models starting with AOA or DOA for Packard Bell. Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Borislav Petkov <petkovbb@gmail.com> Acked-by: Peter Feuerer <peter@piie.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | toshiba_acpi: convert to seq_fileAlexey Dobriyan2009-12-241-112/+147
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | asus_acpi: convert to seq_fileAlexey Dobriyan2009-12-241-127/+194
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Corentin Chary <corentincj@iksaif.net> Cc: Karol Kozimor <sziwan@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | ACPI: do not select ACPI_DOCK from ATA_ACPICarlos R. Mafra2009-12-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In March 2008 commit 0ac4a3c2fbbcadc3e96e4dc47d4ae802d66e6f67 ("ACPI: fix ATA_ACPI build") made CONFIG_ACPI_DOCK be selected by CONFIG_ATA_ACPI because of a build error when CONFIG_ATA_ACPI=y and CONFIG_ACPI_DOCK=m. However, in September 2008 commit 898b054f3eec5921320ae8614b5bdd7b07ea5b43 ("dock: make dock driver not a module") removed the possibility of having CONFIG_ACPI_DOCK=m and therefore there is no need for selecting it when CONFIG_ATA_ACPI=y. This makes the kernel ~5 Kb smaller for people who don't have a dock by allowing them to not have ACPI_DOCK compiled-in because of ATA_ACPI=y. Signed-off-by: Carlos R. Mafra <crmafra@aei.mpg.de> Cc: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | MAINTAINERS: add maintainer for msi-wmi driverAnisse Astier2009-12-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Anisse Astier <anisse@astier.eu> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | fujitu-laptop: fix tests of acpi_evaluate_integer() return valueJonathan Woithe2009-12-231-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix tests on return value from acpi_evaluate_integer(). Based on a patch by Roel Kluin <roel.kluin@gmail.com> and incorporating suggestions from Len Brown <lenb@kernel.org>. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts by ↵Andrew Morton2009-12-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | using smp_call_function_any() Presently acpi-cpufreq will perform the MSR read on the first CPU in the mask. That's inefficient if that CPU differs from the current CPU. Because we have to perform a cross-CPU call, but we could have run the rdmsr on the current CPU. So switch to using the new smp_call_function_any(), which will perform the call on the current CPU if that CPU is present in the mask (it is). Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com> Cc: Dave Jones <davej@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jaswinder Singh Rajput <jaswinder@kernel.org> Cc: Len Brown <len.brown@intel.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | Merge branch 'tc1100-wmi' into releaseLen Brown2009-12-241-60/+55
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| | * | | | tc1100-wmi - switch to using dev_pm_opsDmitry Torokhov2009-12-161-6/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also guard PM operations with CONFIG_PM. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | tc1100-wmi - add error handling for device registrationDmitry Torokhov2009-12-161-28/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Any of the platform API functions can fail; driver should be prepared to handle such failures. Also: - changed to platform_driver_probe() since the device is created right there with the driver; - added __devexit annotation to remove method; - fixed memory leak on module unload - named platform_device_del() is not enough to free platform device, need platform_device_unregister(). Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | tc1100-wmi - switch to using attribute groupDmitry Torokhov2009-12-161-28/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sysfs attribute group takes care of proper creation of a set of attributes and implements proper error unwinding so the driver does not have to do it. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | Merge branch 'sony' into releaseLen Brown2009-12-242-23/+72
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| | * | | | | sony-laptop: enumerate rfkill devices using SN06Mattia Dongili2009-12-231-19/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SN06 makes sure we get back a longer buffer which seems to be necessary going forward as the SNC devices describes more and more devices (or features more precisely). Moreover SN06 should be called with only the descriptor offset to make sure we hit the rfkill controlling function (F124 or F135) with a 0 argument to get a full list of features. Signed-off-by: Mattia Dongili <malattia@linux.it> Tested-by: Miguel Rodríguez Pérez <miguelrp@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | sony-laptop: rfkill support for newer modelsMattia Dongili2009-12-231-8/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Vaio Type X and possibly other new models use F135 as the radio frequency controlling function attached to the SNC device. In the indexed table this corresponds to 0x0135 (surpise!). Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | sony-laptop: add AVMode key mappingMattia Dongili2009-12-162-0/+5
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some models are equipped with an "AVMode" function key that sends sony-laptop: Unknown event: 0x100 0xa1 sony-laptop: Unknown event: 0x100 0x21 for press and release respectively. Cc: "Matthew W. S. Bell" <matthew@bells23.org.uk> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | Merge branch 'classmate' into releaseLen Brown2009-12-244-0/+628
| |\ \ \ \ \
| | * | | | | classmate-laptop: add support for Classmate PC ACPI devicesThadeu Lima de Souza Cascardo2009-12-244-0/+628
| | | |/ / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This add supports for devices like keyboard, backlight, tablet and accelerometer. This work is supported by International Syst S/A. [randy.dunlap@oracle.com: cmpc_acpi: depends on ACPI] [akpm@linux-foundation.org: readability tweaks] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | Merge branch 'pdc' into releaseLen Brown2009-12-249-220/+114
| |\ \ \ \ \
| | * | | | | ACPI: processor: remove _PDC object list from struct acpi_processorAlex Chiang2009-12-221-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we call _PDC, we get a handle to the processor, allocate the object list buffer as needed, and free it immediately after calling _PDC. There's no need to drag around this object list with us everywhere else, so let's just get rid of it. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: change acpi_processor_set_pdc() interfaceAlex Chiang2009-12-223-17/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When calling _PDC, we really only need the handle to the processor to call the method; we don't look at any other parts of the struct acpi_processor * given to us. In the early path, when we walk the namespace, we are given the handle directly, so just pass it through to acpi_processor_set_pdc() without stuffing it into a wasteful struct acpi_processor allocated on the stack each time This saves 2834 bytes of stack. Update the interface accordingly. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: open code acpi_processor_cleanup_pdcAlex Chiang2009-12-221-11/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have the acpi_object_list * right there in acpi_processor_set_pdc() so it doesn't seem necessary for an entire helper function just to free it. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: change acpi_processor_eval_pdc interfaceAlex Chiang2009-12-221-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_processor_eval_pdc() really only needs a handle and an acpi_object_list * to do its work. No need to pass in a struct acpi_processor *, so let's be more specific about what we want. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: introduce acpi_processor_alloc_pdc()Alex Chiang2009-12-221-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_processor_init_pdc() isn't really doing anything interesting with the struct acpi_processor * parameter. Its real job is to allocate the buffer for the _PDC bits. So rename the function to acpi_processor_alloc_pdc(), and just return the struct acpi_object_list * it's supposed to allocate. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: unify arch_acpi_processor_cleanup_pdcAlex Chiang2009-12-226-60/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The x86 and ia64 implementations of the function in $subject are exactly the same. Also, since the arch-specific implementations of setting _PDC have been completely hollowed out, remove the empty shells. Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: finish unifying arch_acpi_processor_init_pdc()Alex Chiang2009-12-226-56/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only thing arch-specific about calling _PDC is what bits get set in the input obj_list buffer. There's no need for several levels of indirection to twiddle those bits. Additionally, since we're just messing around with a buffer, we can simplify the interface; no need to pass around the entire struct acpi_processor * just to get at the buffer. Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: factor out common _PDC settingsAlex Chiang2009-12-223-18/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both x86 and ia64 initialize _PDC with mostly common bit settings. Factor out the common settings and leave the arch-specific ones alone. Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: unify arch_acpi_processor_init_pdcAlex Chiang2009-12-223-67/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The x86 and ia64 implementations of arch_acpi_processor_init_pdc() are almost exactly the same. The only difference is in what bits they set in obj_list buffer. Combine the boilerplate memory management code, and leave the arch-specific bit twiddling in separate implementations. Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: processor: introduce arch_has_acpi_pdcAlex Chiang2009-12-224-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch dependent helper function that tells us if we should attempt to evaluate _PDC on this machine or not. The x86 implementation assumes that the CPUs in the machine must be homogeneous, and that you cannot mix CPUs of different vendors. Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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| *---. | | | | | Merge branches 'bugzilla-14446', 'bugzilla-14753' and 'bugzilla-14824' into ↵Len Brown2009-12-248-71/+137
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