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2009-01-03AMD IOMMU: add stats counter for alloc_coherent requestsJoerg Roedel
Impact: see number of alloc_coherent requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add stats counter for unmap_sg requestsJoerg Roedel
Impact: see number of unmap_sg requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add stats counter for map_sg requestsJoerg Roedel
Impact: see number of map_sg requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add stats counter for unmap_single requestsJoerg Roedel
Impact: see number of unmap_single requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add stats counter for map_single requestsJoerg Roedel
Impact: see number of map_single requests in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add stats counter for completion wait eventsJoerg Roedel
Impact: see number of completion wait events in debugfs Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add init code for statistic collectionJoerg Roedel
Impact: create a new debugfs directory Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add necessary header defines for stats countingJoerg Roedel
Impact: add defines to make iommu stats collection configurable Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add Kconfig entry for statistic collection codeJoerg Roedel
Impact: adds new Kconfig entry Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: use dev_name in iommu_enable functionJoerg Roedel
Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: use calc_devid in prealloc_protection_domainsJoerg Roedel
Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: convert amd_iommu_isolate to boolJoerg Roedel
Impact: cleanup Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: convert iommu->need_sync to boolJoerg Roedel
Impact: use bool instead of int for iommu->need_sync Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: use dev_name instead of self-build print_devidJoerg Roedel
Impact: use generic dev_name instead of own function Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: allocate a new protection for hotplugged devicesJoerg Roedel
Impact: also hotplug devices benefit from device isolation Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add a domain flag for default domainsJoerg Roedel
Impact: adds a new protection domain flag Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: register functions for the IOMMU APIJoerg Roedel
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain address lookup function for IOMMU APIJoerg Roedel
Impact: add a generic function to lockup addresses in protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain unmap function for IOMMU APIJoerg Roedel
Impact: add a generic function to unmap pages into protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain map function for IOMMU APIJoerg Roedel
Impact: add a generic function to map pages into protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add device attach function for IOMMU APIJoerg Roedel
Impact: add a generic function to attach devices to protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add device detach function for IOMMU APIJoerg Roedel
Impact: add a generic function to detach devices from protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain destroy function for IOMMU APIJoerg Roedel
Impact: add a generic function for releasing protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain init function for IOMMU APIJoerg Roedel
Impact: add a generic function for allocation protection domains Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain cleanup helper functionJoerg Roedel
Impact: add a function to remove all devices from a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add device notifier callbackJoerg Roedel
Impact: inform IOMMU about state change of a device in the driver core Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add device detach helper functionsJoerg Roedel
Impact: add helper functions to detach a device from a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: rename set_device_domain functionJoerg Roedel
Impact: rename set_device_domain() to attach_device() Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add device reference counting for protection domainsJoerg Roedel
Impact: know how many devices are assigned to a domain Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add checks for dma_ops domain to dma_ops functionsJoerg Roedel
Impact: detect when a driver uses a device assigned otherwise Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add protection domain flagsJoerg Roedel
Imapct: add a new struct member to 'struct protection_domain' When using protection domains for dma_ops and KVM its better to know for which subsystem it was allocated. Add a flags member to struct protection domain for that purpose. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add iommu_flush_domain functionJoerg Roedel
Impact: add a function to flush a domain id on every IOMMU Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: don't remove protection domain from iommu_pd_listJoerg Roedel
Impact: save unneeded logic to add and remove domains to the list The removal of a protection domain from the iommu_pd_list is not necessary. Another benefit is that we save complexity because we don't have to readd it later when the device no longer uses the domain. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: move invalidation command building to a separate functionJoerg Roedel
Impact: refactoring of iommu_queue_inv_iommu_pages Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: refactor completion wait handling into separate functionsJoerg Roedel
Impact: split one function into three The separate functions are required synchronize commands across all hardware IOMMUs in the system. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: add domain id free functionJoerg Roedel
Impact: add code to release a domain id Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: make dma_ops_free_pagetable genericJoerg Roedel
Impact: change code to free pagetables from protection domains The dma_ops_free_pagetable function can only free pagetables from dma_ops domains. Change that to free pagetables of pure protection domains. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03AMD IOMMU: rename iommu_map to iommu_map_pageJoerg Roedel
Impact: function rename The iommu_map function maps only one page. Make this clear in the function name. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03KVM: change KVM to use IOMMU APIJoerg Roedel
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03select IOMMU_API when DMAR and/or AMD_IOMMU is selectedJoerg Roedel
These two IOMMUs can implement the current version of this API. So select the API if one or both of these IOMMU drivers is selected. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-03KVM: rename vtd.c to iommu.cJoerg Roedel
Impact: file renamed The code in the vtd.c file can be reused for other IOMMUs as well. So rename it to make it clear that it handle more than VT-d. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2009-01-02Merge branches 'x86/cleanups', 'x86/fpu' and 'x86/urgent' into x86/coreIngo Molnar
2009-01-02Merge branch 'linus' into x86/cleanupsIngo Molnar
Conflicts: arch/x86/kernel/reboot.c
2009-01-02swiotlb: add missing __init annotationsRoland Dreier
Impact: cleanup, reduce kernel size a bit The current kernel build warns: WARNING: vmlinux.o(.text+0x11458): Section mismatch in reference from the function swiotlb_alloc_boot() to the function .init.text:__alloc_bootmem_low() The function swiotlb_alloc_boot() references the function __init __alloc_bootmem_low(). This is often because swiotlb_alloc_boot lacks a __init annotation or the annotation of __alloc_bootmem_low is wrong. WARNING: vmlinux.o(.text+0x1011f2): Section mismatch in reference from the function swiotlb_late_init_with_default_size() to the function .init.text:__alloc_bootmem_low() The function swiotlb_late_init_with_default_size() references the function __init __alloc_bootmem_low(). This is often because swiotlb_late_init_with_default_size lacks a __init annotation or the annotation of __alloc_bootmem_low is wrong. and indeed the functions calling __alloc_bootmem_low() can be marked __init as well. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-02Merge branch 'cpus4096-for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
2009-01-02Merge branch 'kvm-updates/2.6.29' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (140 commits) KVM: MMU: handle large host sptes on invlpg/resync KVM: Add locking to virtual i8259 interrupt controller KVM: MMU: Don't treat a global pte as such if cr4.pge is cleared MAINTAINERS: Maintainership changes for kvm/ia64 KVM: ia64: Fix kvm_arch_vcpu_ioctl_[gs]et_regs() KVM: x86: Rework user space NMI injection as KVM_CAP_USER_NMI KVM: VMX: Fix pending NMI-vs.-IRQ race for user space irqchip KVM: fix handling of ACK from shared guest IRQ KVM: MMU: check for present pdptr shadow page in walk_shadow KVM: Consolidate userspace memory capability reporting into common code KVM: Advertise the bug in memory region destruction as fixed KVM: use cpumask_var_t for cpus_hardware_enabled KVM: use modern cpumask primitives, no cpumask_t on stack KVM: Extract core of kvm_flush_remote_tlbs/kvm_reload_remote_mmus KVM: set owner of cpu and vm file operations anon_inodes: use fops->owner for module refcount x86: KVM guest: kvm_get_tsc_khz: return khz, not lpj KVM: MMU: prepopulate the shadow on invlpg KVM: MMU: skip global pgtables on sync due to cr3 switch KVM: MMU: collapse remote TLB flushes on root sync ...
2009-01-02Fix compiler warning in arch/x86/mm/init_32.cIngo Brueckl
Signed-off-by: Ingo Brueckl <ib@wupperonline.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-02x86: mpparse.c fix style problemsJaswinder Singh Rajput
Impact: cleanup, fix style problems, more readable Fixes style problems: WARNING: Use #include <linux/smp.h> instead of <asm/smp.h> WARNING: Use #include <linux/acpi.h> instead of <asm/acpi.h> WARNING: suspect code indent for conditional statements (8, 17) WARNING: space prohibited between function name and open parenthesis '(' total: 0 errors, 5 warnings Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-02x86: nmi.c fix style problemsJaswinder Singh Rajput
Impact: cleanup, fix style problems Fixes style problems: WARNING: Use #include <linux/smp.h> instead of <asm/smp.h> WARNING: Use #include <linux/nmi.h> instead of <asm/nmi.h> total: 0 errors, 2 warnings Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-02x86: ldt.c fix style problemsJaswinder Singh Rajput
Impact: cleanup Fixes style problems: WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h> ERROR: space required before the open parenthesis '(' total: 1 errors, 1 warnings Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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