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2015-10-01KVM: create kvm_irqfd.hEric Auger2-72/+92
Move _irqfd_resampler and _irqfd struct declarations in a new public header: kvm_irqfd.h. They are respectively renamed into kvm_kernel_irqfd_resampler and kvm_kernel_irqfd. Those datatypes will be used by architecture specific code, in the context of IRQ bypass manager integration. Signed-off-by: Eric Auger <eric.auger@linaro.org> Signed-off-by: Feng Wu <feng.wu@intel.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01virt: Add virt directory to the top MakefileFeng Wu2-4/+7
We need to build files in virt/lib/, which are now used by KVM and VFIO, so add virt directory to the top Makefile. Signed-off-by: Feng Wu <feng.wu@intel.com> Acked-by: Michal Marek <mmarek@suse.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01virt: IRQ bypass managerAlex Williamson5-0/+357
When a physical I/O device is assigned to a virtual machine through facilities like VFIO and KVM, the interrupt for the device generally bounces through the host system before being injected into the VM. However, hardware technologies exist that often allow the host to be bypassed for some of these scenarios. Intel Posted Interrupts allow the specified physical edge interrupts to be directly injected into a guest when delivered to a physical processor while the vCPU is running. ARM IRQ Forwarding allows forwarded physical interrupts to be directly deactivated by the guest. The IRQ bypass manager here is meant to provide the shim to connect interrupt producers, generally the host physical device driver, with interrupt consumers, generally the hypervisor, in order to configure these bypass mechanism. To do this, we base the connection on a shared, opaque token. For KVM-VFIO this is expected to be an eventfd_ctx since this is the connection we already use to connect an eventfd to an irqfd on the in-kernel path. When a producer and consumer with matching tokens is found, callbacks via both registered participants allow the bypass facilities to be automatically enabled. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Eric Auger <eric.auger@linaro.org> Tested-by: Eric Auger <eric.auger@linaro.org> Tested-by: Feng Wu <feng.wu@intel.com> Signed-off-by: Feng Wu <feng.wu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01irq_remapping: move structs outside #ifdefPaolo Bonzini1-5/+5
This is friendlier to clients of the code, who are going to prepare vcpu_data structs unconditionally, even if CONFIG_IRQ_REMAP is not defined. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01x86: kvmclock: abolish PVCLOCK_COUNTS_FROM_ZERORadim Krčmář1-11/+35
Newer KVM won't be exposing PVCLOCK_COUNTS_FROM_ZERO anymore. The purpose of that flags was to start counting system time from 0 when the KVM clock has been initialized. We can achieve the same by selecting one read as the initial point. A simple subtraction will work unless the KVM clock count overflows earlier (has smaller width) than scheduler's cycle count. We should be safe till x86_128. Because PVCLOCK_COUNTS_FROM_ZERO was enabled only on new hypervisors, setting sched clock as stable based on PVCLOCK_TSC_STABLE_BIT might regress on older ones. I presume we don't need to change kvm_clock_read instead of introducing kvm_sched_clock_read. A problem could arise in case sched_clock is expected to return the same value as get_cycles, but we should have merged those clocks in that case. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Acked-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: drop rdtscp_enabled fieldXiao Guangrong2-11/+14
Check cpuid bit instead of it Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: clean up bit operation on SECONDARY_VM_EXEC_CONTROLXiao Guangrong1-17/+6
Use vmcs_set_bits() and vmcs_clear_bits() to clean up the code Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL updateXiao Guangrong1-10/+25
Unify the update in vmx_cpuid_update() Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> [Rewrite to use vmcs_set_secondary_exec_control. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: align vmx->nested.nested_vmx_secondary_ctls_high to ↵Paolo Bonzini1-3/+8
vmx->rdtscp_enabled The SECONDARY_EXEC_RDTSCP must be available iff RDTSCP is enabled in the guest. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: simplify invpcid handling in vmx_cpuid_update()Xiao Guangrong1-12/+5
If vmx_invpcid_supported() is true, second execution control filed must be supported and SECONDARY_EXEC_ENABLE_INVPCID must have already been set in current vmcs by vmx_secondary_exec_control() If vmx_invpcid_supported() is false, no need to clear SECONDARY_EXEC_ENABLE_INVPCID Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: simplify rdtscp handling in vmx_cpuid_update()Xiao Guangrong1-9/+8
if vmx_rdtscp_supported() is true SECONDARY_EXEC_RDTSCP must have already been set in current vmcs by vmx_secondary_exec_control() Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02()Xiao Guangrong1-2/+1
SECONDARY_EXEC_RDTSCP set for L2 guest comes from vmcs12 Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: add pcommit supportXiao Guangrong5-8/+42
Pass PCOMMIT CPU feature to guest to enable PCOMMIT instruction Currently we do not catch pcommit instruction for L1 guest and allow L1 to catch this instruction for L2 if, as required by the spec, L1 can enumerate the PCOMMIT instruction via CPUID: | IA32_VMX_PROCBASED_CTLS2[53] (which enumerates support for the | 1-setting of PCOMMIT exiting) is always the same as | CPUID.07H:EBX.PCOMMIT[bit 22]. Thus, software can set PCOMMIT exiting | to 1 if and only if the PCOMMIT instruction is enumerated via CPUID The spec can be found at https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: allow guest to use cflushopt and clwbXiao Guangrong1-1/+1
Pass these CPU features to guest to enable them in guest They are needed by nvdimm drivers Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: vmx: disable posted interrupts if no local APICPaolo Bonzini1-1/+2
Uniprocessor 32-bit randconfigs can disable the local APIC, and posted interrupts require reserving a vector on the LAPIC, so they are incompatible. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm/x86: Hyper-V HV_X64_MSR_VP_RUNTIME supportAndrey Smetanin5-2/+26
HV_X64_MSR_VP_RUNTIME msr used by guest to get "the time the virtual processor consumes running guest code, and the time the associated logical processor spends running hypervisor code on behalf of that guest." Calculation of this time is performed by task_cputime_adjusted() for vcpu task. Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Gleb Natapov <gleb@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm/x86: Hyper-V HV_X64_MSR_VP_INDEX export for QEMU.Andrey Smetanin1-0/+1
Insert Hyper-V HV_X64_MSR_VP_INDEX into msr's emulated list, so QEMU can set Hyper-V features cpuid HV_X64_MSR_VP_INDEX_AVAILABLE bit correctly. KVM emulation part is in place already. Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Gleb Natapov <gleb@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm/x86: Hyper-V HV_X64_MSR_RESET msrAndrey Smetanin4-0/+21
HV_X64_MSR_RESET msr is used by Hyper-V based Windows guest to reset guest VM by hypervisor. Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Gleb Natapov <gleb@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm: add capability for any-length ioeventfdsJason Wang4-4/+8
Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm: add tracepoint for fast mmioJason Wang3-0/+20
Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01kvm: use kmalloc() instead of kzalloc() during iodev register/unregisterJason Wang1-2/+2
All fields of kvm_io_range were initialized or copied explicitly afterwards. So switch to use kmalloc(). Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: Add support for local interrupt requests from userspaceSteve Rutherford5-19/+78
In order to enable userspace PIC support, the userspace PIC needs to be able to inject local interrupts even when the APICs are in the kernel. KVM_INTERRUPT now supports sending local interrupts to an APIC when APICs are in the kernel. The ready_for_interrupt_request flag is now only set when the CPU/APIC will immediately accept and inject an interrupt (i.e. APIC has not masked the PIC). When the PIC wishes to initiate an INTA cycle with, say, CPU0, it kicks CPU0 out of the guest, and renedezvous with CPU0 once it arrives in userspace. When the CPU/APIC unmasks the PIC, a KVM_EXIT_IRQ_WINDOW_OPEN is triggered, so that userspace has a chance to inject a PIC interrupt if it had been pending. Overall, this design can lead to a small number of spurious userspace renedezvous. In particular, whenever the PIC transistions from low to high while it is masked and whenever the PIC becomes unmasked while it is low. Note: this does not buffer more than one local interrupt in the kernel, so the VMM needs to enter the guest in order to complete interrupt injection before injecting an additional interrupt. Compiles for x86. Can pass the KVM Unit Tests. Signed-off-by: Steve Rutherford <srutherford@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: Add EOI exit bitmap inferenceSteve Rutherford8-16/+78
In order to support a userspace IOAPIC interacting with an in kernel APIC, the EOI exit bitmaps need to be configurable. If the IOAPIC is in userspace (i.e. the irqchip has been split), the EOI exit bitmaps will be set whenever the GSI Routes are configured. In particular, for the low MSI routes are reservable for userspace IOAPICs. For these MSI routes, the EOI Exit bit corresponding to the destination vector of the route will be set for the destination VCPU. The intention is for the userspace IOAPICs to use the reservable MSI routes to inject interrupts into the guest. This is a slight abuse of the notion of an MSI Route, given that MSIs classically bypass the IOAPIC. It might be worthwhile to add an additional route type to improve clarity. Compile tested for Intel x86. Signed-off-by: Steve Rutherford <srutherford@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: Add KVM exit for IOAPIC EOIsSteve Rutherford6-8/+48
Adds KVM_EXIT_IOAPIC_EOI which allows the kernel to EOI level-triggered IOAPIC interrupts. Uses a per VCPU exit bitmap to decide whether or not the IOAPIC needs to be informed (which is identical to the EOI_EXIT_BITMAP field used by modern x86 processors, but can also be used to elide kvm IOAPIC EOI exits on older processors). [Note: A prototype using ResampleFDs found that decoupling the EOI from the VCPU's thread made it possible for the VCPU to not see a recent EOI after reentering the guest. This does not match real hardware.] Compile tested for Intel x86. Signed-off-by: Steve Rutherford <srutherford@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: Split the APIC from the rest of IRQCHIP.Steve Rutherford10-7/+75
First patch in a series which enables the relocation of the PIC/IOAPIC to userspace. Adds capability KVM_CAP_SPLIT_IRQCHIP; KVM_CAP_SPLIT_IRQCHIP enables the construction of LAPICs without the rest of the irqchip. Compile tested for x86. Signed-off-by: Steve Rutherford <srutherford@google.com> Suggested-by: Andrew Honig <ahonig@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: unify handling of interrupt windowPaolo Bonzini3-26/+2
The interrupt window is currently checked twice, once in vmx.c/svm.c and once in dm_request_for_irq_injection. The only difference is the extra check for kvm_arch_interrupt_allowed in dm_request_for_irq_injection, and the different return value (EINTR/KVM_EXIT_INTR for vmx.c/svm.c vs. 0/KVM_EXIT_IRQ_WINDOW_OPEN for dm_request_for_irq_injection). However, dm_request_for_irq_injection is basically dead code! Revive it by removing the checks in vmx.c and svm.c's vmexit handlers, and fixing the returned values for the dm_request_for_irq_injection case. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: introduce lapic_in_kernelPaolo Bonzini7-43/+45
Avoid pointer chasing and memory barriers, and simplify the code when split irqchip (LAPIC in kernel, IOAPIC/PIC in userspace) is introduced. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: replace vm_has_apicv hook with cpu_uses_apicvPaolo Bonzini6-9/+15
This will avoid an unnecessary trip to ->kvm and from there to the VPIC. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: store IOAPIC-handled vectors in each VCPUPaolo Bonzini7-34/+18
We can reuse the algorithm that computes the EOI exit bitmap to figure out which vectors are handled by the IOAPIC. The only difference between the two is for edge-triggered interrupts other than IRQ8 that have no notifiers active; however, the IOAPIC does not have to do anything special for these interrupts anyway. This again limits the interactions between the IOAPIC and the LAPIC, making it easier to move the former to userspace. Inspired by a patch from Steve Rutherford. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01KVM: x86: set TMR when the interrupt is acceptedPaolo Bonzini5-23/+14
Do not compute TMR in advance. Instead, set the TMR just before the interrupt is accepted into the IRR. This limits the coupling between IOAPIC and LAPIC. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01tools lib traceevent: update KVM pluginPaolo Bonzini1-8/+17
The format of the role word has changed through the years and the plugin was never updated; some VMX exit reasons were missing too. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Merge branch 'x86/for-kvm' of ↵Paolo Bonzini1-55/+55
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD This merges a cleanup of asm/apic.h, which is needed by the KVM patches to support VT-d posted interrupts. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Use WARN_ON_ONCE for missing X86_FEATURE_NRIPSDirk Müller1-1/+1
The cpu feature flags are not ever going to change, so warning everytime can cause a lot of kernel log spam (in our case more than 10GB/hour). The warning seems to only occur when nested virtualization is enabled, so it's probably triggered by a KVM bug. This is a sensible and safe change anyway, and the KVM bug fix might not be suitable for stable releases anyway. Cc: stable@vger.kernel.org Signed-off-by: Dirk Mueller <dmueller@suse.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Update KVM homepage UrlDirk Müller1-2/+2
The old one appears to be a generic catch all page, which is unhelpful. Signed-off-by: Dirk Mueller <dmueller@suse.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Revert "KVM: SVM: use NPT page attributes"Paolo Bonzini1-96/+5
This reverts commit 3c2e7f7de3240216042b61073803b61b9b3cfb22. Initializing the mapping from MTRR to PAT values was reported to fail nondeterministically, and it also caused extremely slow boot (due to caching getting disabled---bug 103321) with assigned devices. Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de> Reported-by: Sebastian Schuette <dracon@ewetel.net> Cc: stable@vger.kernel.org # 4.2+ Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Revert "KVM: svm: handle KVM_X86_QUIRK_CD_NW_CLEARED in svm_get_mt_mask"Paolo Bonzini1-8/+7
This reverts commit 5492830370171b6a4ede8a3bfba687a8d0f25fa5. It builds on the commit that is being reverted next. Cc: stable@vger.kernel.org # 4.2+ Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Revert "KVM: SVM: Sync g_pat with guest-written PAT value"Paolo Bonzini1-10/+0
This reverts commit e098223b789b4a618dacd79e5e0dad4a9d5018d1, which has a dependency on other commits being reverted. Cc: stable@vger.kernel.org # 4.2+ Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01Revert "KVM: x86: apply guest MTRR virtualization on host reserved pages"Paolo Bonzini2-5/+13
This reverts commit fd717f11015f673487ffc826e59b2bad69d20fe5. It was reported to cause Machine Check Exceptions (bug 104091). Reported-by: harn-solo@gmx.de Cc: stable@vger.kernel.org # 4.2+ Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-30x86/x2apic: Make stub functions available even if !CONFIG_X86_LOCAL_APICPaolo Bonzini1-55/+55
Some CONFIG_X86_X2APIC functions, especially x2apic_enabled(), are not declared if !CONFIG_X86_LOCAL_APIC. However, the same stubs that work for !CONFIG_X86_X2APIC are okay even if there is no local APIC support at all. Avoid the introduction of #ifdefs by moving the x2apic declarations completely outside the CONFIG_X86_LOCAL_APIC block. (Unfortunately, diff generation messes up the actual change that this patch makes). There is no semantic change because CONFIG_X86_X2APIC depends on CONFIG_X86_LOCAL_APIC. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Feng Wu <feng.wu@intel.com> Link: http://lkml.kernel.org/r/1443435991-35750-1-git-send-email-pbonzini@redhat.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-09-28Revert "KVM: x86: zero kvmclock_offset when vcpu0 initializes kvmclock ↵Radim Krčmář2-4/+1
system MSR" Shifting pvclock_vcpu_time_info.system_time on write to KVM system time MSR is a change of ABI. Probably only 2.6.16 based SLES 10 breaks due to its custom enhancements to kvmclock, but KVM never declared the MSR only for one-shot initialization. (Doc says that only one write is needed.) This reverts commit b7e60c5aedd2b63f16ef06fde4f81ca032211bc5. And adds a note to the definition of PVCLOCK_COUNTS_FROM_ZERO. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Acked-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-27Linux 4.3-rc3Linus Torvalds1-1/+1
2015-09-27Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds2-5/+27
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "Two bugfixes from Andy addressing at least some of the subtle NMI related wreckage which has been reported by Sasha Levin" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/nmi/64: Fix a paravirt stack-clobbering bug in the NMI code x86/paravirt: Replace the paravirt nop with a bona fide empty function
2015-09-27Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds1-8/+16
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Thomass Gleixner: "A bugfix for the atmel aic5 irq chip driver which caches the wrong data and thereby breaking resume" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/atmel-aic5: Use per chip mask caches in mask/unmask()
2015-09-27Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds4-6/+30
Pull ARM fixes from Russell King: "Just two fixes: wire up the new system calls added during the last merge window, and fix another user access site" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: alignment: fix alignment handling for uaccess changes ARM: wire up new syscalls
2015-09-27Merge tag 'armsoc-fixes' of ↵Linus Torvalds34-162/+278
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Our first real batch of fixes this release cycle. Nothing really concerning, and diffstat is a bit inflated due to some DT contents moving around on STi platforms. There's a collection of them here: - A fixup for a build breakage that hits on arm64 allmodconfig in QCOM SCM firmware drivers - MMC fixes for OMAP that had quite a bit of breakage this merge window. - Misc build/warning fixes on PXA and OMAP - A couple of minor fixes for Beagleboard X15 which is now starting to see a few more users in the wild" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits) ARM: sti: dt: adapt DT to fix probe/bind issues in DRM driver ARM: dts: fix omap2+ address translation for pbias firmware: qcom: scm: Add function stubs for ARM64 ARM: dts: am57xx-beagle-x15: use palmas-usb for USB2 ARM: omap2plus_defconfig: enable GPIO_PCA953X ARM: dts: omap5-uevm.dts: fix i2c5 pinctrl offsets ARM: OMAP2+: AM43XX: Enable autoidle for clks in am43xx_init_late ARM: dts: am57xx-beagle-x15: Update Phy supplies ARM: pxa: balloon3: Fix build error ARM: dts: Fixup model name for HP t410 dts ARM: dts: DRA7: fix a typo in ethernet ARM: omap2plus_defconfig: make PCF857x built-in ARM: dts: Use ti,pbias compatible string for pbias ARM: OMAP5: Cleanup options for SoC only build ARM: DRA7: Select missing options for SoC only build ARM: OMAP2+: board-generic: Remove stale of_irq macros ARM: OMAP4+: PM: erratum is used by OMAP5 and DRA7 as well ARM: dts: omap3-igep: Move eth IRQ pinmux to IGEPv2 common dtsi ARM: dts: am57xx-beagle-x15: Add wakeup irq for mcp79410 ARM: dts: am335x-phycore-som: Fix mpu voltage ...
2015-09-27Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds3-19/+126
Pull CIFS fixes from Steve French: "Four fixes from testing at the recent SMB3 Plugfest including two important authentication ones (one fixes authentication problems to some popular servers when clock times differ more than two hours between systems, the other fixes Kerberos authentication for SMB3)" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: fix encryption error checks on mount [SMB3] Fix sec=krb5 on smb3 mounts cifs: use server timestamp for ntlmv2 authentication disabling oplocks/leases via module parm enable_oplocks broken for SMB3
2015-09-27Merge tag 'pxa-fixes-v4.3' of https://github.com/rjarzmik/linux into fixesOlof Johansson4-3/+28
ARM: pxa: fixes for v4.3 These fixes are mainly regression fixes triggered by irq changes, common clock framework introduction and sound side-effect of other platforms. * tag 'pxa-fixes-v4.3' of https://github.com/rjarzmik/linux: ARM: pxa: balloon3: Fix build error ARM: pxa: ssp: Fix build error by removing originally incorrect DT binding ARM: pxa: fix DFI bus lockups on startup Signed-off-by: Olof Johansson <olof@lixom.net>
2015-09-27Merge tag 'omap-for-v4.3/fixes-rc2' of ↵Olof Johansson16-46/+119
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fixes for omaps for v4.3-rc cycle: - Two more patches to fix most of the MMC regressions with the PBIAS regulator changes. At least two MMC driver related issues still seems to remain for omap3 legacy booting and omap4 duovero. Note that the dts changes depend on a recent regulator fix, and are based on the regulator commit now in mainline kernel - Enable autoidle for am43xx clocks to prevent clocks from staying always on - Fix i2c5 pinctrl offsets for omap5-uevm - Enable PCA953X as that's needed for HDMI to work on omap5 - Update phy supplies for beagle x15 beta board - Use palmas-usb for on beagle x15 to start using the related driver that recently got merged * tag 'omap-for-v4.3/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: fix omap2+ address translation for pbias ARM: dts: am57xx-beagle-x15: use palmas-usb for USB2 ARM: omap2plus_defconfig: enable GPIO_PCA953X ARM: dts: omap5-uevm.dts: fix i2c5 pinctrl offsets ARM: OMAP2+: AM43XX: Enable autoidle for clks in am43xx_init_late ARM: dts: am57xx-beagle-x15: Update Phy supplies regulator: pbias: program pbias register offset in pbias driver ARM: omap2plus_defconfig: Enable MUSB DMA support ARM: DRA752: Add ID detect for ES2.0 ARM: OMAP3: vc: fix 'or' always true warning ARM: OMAP2+: Fix booting if no timer parent clock is available ARM: OMAP2+: omap-device: fix race deferred probe of omap_hsmmc vs omap_device_late_init Signed-off-by: Olof Johansson <olof@lixom.net>
2015-09-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds5-12/+40
Pull crypto fixes from Herbert Xu: "This fixes the following issues: - check the return value of platform_get_irq as signed int in xgene. - skip adf_dev_restore on virtual functions in qat. - fix double-free with backlogged requests in marvell_cesa" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: hwrng: xgene - fix handling platform_get_irq crypto: qat - VF should never trigger SBR on PH crypto: marvell - properly handle CRYPTO_TFM_REQ_MAY_BACKLOG-flagged requests
2015-09-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds9-166/+299
Pull SCSI target fixes from Nicholas Bellinger: "This includes a iser-target series from Jenny + Sagi @ Mellanox that addresses the few remaining active I/O shutdown bugs, along with a patch to support zero-copy for immediate data payloads that gives a nice performance improvement for small block WRITEs. Also included are some recent >= v4.2 regression bug-fixes. The most notable is a RCU conversion regression for SPC-3 PR registrations, and recent removal of obsolete RFC-3720 markers that introduced a login regression bug with MSFT iSCSI initiators. Thanks to everyone who has been testing + reporting bugs for v4.x" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: iscsi-target: Avoid OFMarker + IFMarker negotiation target: Make TCM_WRITE_PROTECT failure honor D_SENSE bit target: Fix target_sense_desc_format NULL pointer dereference target: Propigate backend read-only to core_tpg_add_lun target: Fix PR registration + APTPL RCU conversion regression iser-target: Skip data copy if all the command data comes as immediate iser-target: Change the recv buffers posting logic iser-target: Fix pending connections handling in target stack shutdown sequnce iser-target: Remove np_ prefix from isert_np members iser-target: Remove unused variables iser-target: Put the reference on commands waiting for unsol data iser-target: remove command with state ISTATE_REMOVE
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