linux/Documentation/virtual, branch v3.7-rc2

Merge branch 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

2012-10-10T02:15:20Z

Pull UML changes from Richard Weinberger: "UML receives this time only cleanups. The most outstanding change is the 'include "foo.h"' do 'include ' conversion done by Al Viro. It touches many files, that's why the diffstat is rather big." * 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: typo in UserModeLinux-HOWTO hppfs: fix the return value of get_inode() hostfs: drop vmtruncate um: get rid of pointless include "..." where include <...> will do um: move sysrq.h out of include/shared um/x86: merge 32 and 64 bit variants of ptrace.h um/x86: merge 32 and 64bit variants of checksum.h

typo in UserModeLinux-HOWTO

2012-10-09T20:35:24Z

[it seems that I sent it to the wrong maintainer at first... sorry for that] copy_from_user was meant instead of copy_to_user. Signed-off-by: Richard Genoud Signed-off-by: Richard Weinberger

KVM: Add resampling irqfds for level triggered interrupts

2012-09-23T11:50:15Z

To emulate level triggered interrupts, add a resample option to KVM_IRQFD. When specified, a new resamplefd is provided that notifies the user when the irqchip has been resampled by the VM. This may, for instance, indicate an EOI. Also in this mode, posting of an interrupt through an irqfd only asserts the interrupt. On resampling, the interrupt is automatically de-asserted prior to user notification. This enables level triggered interrupts to be posted and re-enabled from vfio with no userspace intervention. All resampling irqfds can make use of a single irq source ID, so we reserve a new one for this interface. Signed-off-by: Alex Williamson Signed-off-by: Avi Kivity

KVM: clarify kvmclock documentation

2012-09-17T17:10:23Z

- mention that system time needs to be added to wallclock time - positive tsc_shift means left shift, not right - mention additional 32bit right shift Signed-off-by: Stefan Fritsch Signed-off-by: Marcelo Tosatti

KVM: Improve wording of KVM_SET_USER_MEMORY_REGION documentation

2012-09-09T13:39:17Z

Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity

KVM: introduce readonly memslot

2012-08-22T12:09:03Z

In current code, if we map a readonly memory space from host to guest and the page is not currently mapped in the host, we will get a fault pfn and async is not allowed, then the vm will crash We introduce readonly memory region to map ROM/ROMD to the guest, read access is happy for readonly memslot, write access on readonly memslot will cause KVM_EXIT_MMIO exit Signed-off-by: Xiao Guangrong Signed-off-by: Avi Kivity

KVM: Add ppc hypercall documentation

2012-08-13T20:39:59Z

Signed-off-by: Alexander Graf Signed-off-by: Raghavendra K T Signed-off-by: Marcelo Tosatti

KVM: Add documentation on hypercalls

2012-08-13T20:39:59Z

Thanks Alex for KVM_HC_FEATURES inputs and Jan for VAPIC_POLL_IRQ, and Peter (HPA) for suggesting hypercall ABI addition. Signed-off-by: Raghavendra K T Signed-off-by: Marcelo Tosatti

Merge tag 'kvm-3.6-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2012-07-24T19:01:20Z

Pull KVM updates from Avi Kivity: "Highlights include - full big real mode emulation on pre-Westmere Intel hosts (can be disabled with emulate_invalid_guest_state=0) - relatively small ppc and s390 updates - PCID/INVPCID support in guests - EOI avoidance; 3.6 guests should perform better on 3.6 hosts on interrupt intensive workloads) - Lockless write faults during live migration - EPT accessed/dirty bits support for new Intel processors" Fix up conflicts in: - Documentation/virtual/kvm/api.txt: Stupid subchapter numbering, added next to each other. - arch/powerpc/kvm/booke_interrupts.S: PPC asm changes clashing with the KVM fixes - arch/s390/include/asm/sigp.h, arch/s390/kvm/sigp.c: Duplicated commits through the kvm tree and the s390 tree, with subsequent edits in the KVM tree. * tag 'kvm-3.6-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (93 commits) KVM: fix race with level interrupts x86, hyper: fix build with !CONFIG_KVM_GUEST Revert "apic: fix kvm build on UP without IOAPIC" KVM guest: switch to apic_set_eoi_write, apic_write apic: add apic_set_eoi_write for PV use KVM: VMX: Implement PCID/INVPCID for guests with EPT KVM: Add x86_hyper_kvm to complete detect_hypervisor_platform check KVM: PPC: Critical interrupt emulation support KVM: PPC: e500mc: Fix tlbilx emulation for 64-bit guests KVM: PPC64: booke: Set interrupt computation mode for 64-bit host KVM: PPC: bookehv: Add ESR flag to Data Storage Interrupt KVM: PPC: bookehv64: Add support for std/ld emulation. booke: Added crit/mc exception handler for e500v2 booke/bookehv: Add host crit-watchdog exception support KVM: MMU: document mmu-lock and fast page fault KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint KVM: MMU: trace fast page fault KVM: MMU: fast path of handling guest page fault KVM: MMU: introduce SPTE_MMU_WRITEABLE bit KVM: MMU: fold tlb flush judgement into mmu_spte_update ...

KVM: MMU: document mmu-lock and fast page fault

2012-07-11T13:51:23Z

Document fast page fault and mmu-lock in locking.txt Signed-off-by: Xiao Guangrong Signed-off-by: Avi Kivity