On 20/11/2014 02:16, Chen, Tiejun wrote: > On 2014/11/20 5:05, Paolo Bonzini wrote: >> KVM for ia64 has been marked as broken not just once, but twice even, >> and the last patch from the maintainer is now roughly 5 years old. >> Time for it to rest in piece. >> >> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> >> --- > > I think we also need to sync this in Documentation: > > Documentation: virtual: kvm: remove ia64 > > kvm/ia64 would be gone so just clean Documentation. > > Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx> > --- > Documentation/ia64/kvm.txt | 83 > ------------------------------------- > Documentation/ia64/paravirt_ops.txt | 8 ++-- > Documentation/virtual/kvm/api.txt | 45 ++++++++++---------- > 3 files changed, 26 insertions(+), 110 deletions(-) > delete mode 100644 Documentation/ia64/kvm.txt > > diff --git a/Documentation/ia64/kvm.txt b/Documentation/ia64/kvm.txt > deleted file mode 100644 > index ffb5c80..0000000 > --- a/Documentation/ia64/kvm.txt > +++ /dev/null > @@ -1,83 +0,0 @@ > -Currently, kvm module is in EXPERIMENTAL stage on IA64. This means that > -interfaces are not stable enough to use. So, please don't run critical > -applications in virtual machine. > -We will try our best to improve it in future versions! > - > - Guide: How to boot up guests on kvm/ia64 > - > -This guide is to describe how to enable kvm support for IA-64 systems. > - > -1. Get the kvm source from git.kernel.org. > - Userspace source: > - git clone > git://git.kernel.org/pub/scm/virt/kvm/kvm-userspace.git > - Kernel Source: > - git clone > git://git.kernel.org/pub/scm/linux/kernel/git/xiantao/kvm-ia64.git > - > -2. Compile the source code. > - 2.1 Compile userspace code: > - (1)cd ./kvm-userspace > - (2)./configure > - (3)cd kernel > - (4)make sync LINUX= $kernel_dir (kernel_dir is the > directory of kernel source.) > - (5)cd .. > - (6)make qemu > - (7)cd qemu; make install > - > - 2.2 Compile kernel source code: > - (1) cd ./$kernel_dir > - (2) Make menuconfig > - (3) Enter into virtualization option, and choose kvm. > - (4) make > - (5) Once (4) done, make modules_install > - (6) Make initrd, and use new kernel to reboot up host > machine. > - (7) Once (6) done, cd $kernel_dir/arch/ia64/kvm > - (8) insmod kvm.ko; insmod kvm-intel.ko > - > -Note: For step 2, please make sure that host page size == > TARGET_PAGE_SIZE of qemu, otherwise, may fail. > - > -3. Get Guest Firmware named as Flash.fd, and put it under right place: > - (1) If you have the guest firmware (binary) released by Intel > Corp for Xen, use it directly. > - > - (2) If you have no firmware at hand, Please download its source > from > - hg clone http://xenbits.xensource.com/ext/efi-vfirmware.hg > - you can get the firmware's binary in the directory of > efi-vfirmware.hg/binaries. > - > - (3) Rename the firmware you owned to Flash.fd, and copy it to > /usr/local/share/qemu > - > -4. Boot up Linux or Windows guests: > - 4.1 Create or install a image for guest boot. If you have xen > experience, it should be easy. > - > - 4.2 Boot up guests use the following command. > - /usr/local/bin/qemu-system-ia64 -smp xx -m 512 -hda > $your_image > - (xx is the number of virtual processors for the guest, > now the maximum value is 4) > - > -5. Known possible issue on some platforms with old Firmware. > - > -In the event of strange host crash issues, try to solve it through > either of the following ways: > - > -(1): Upgrade your Firmware to the latest one. > - > -(2): Applying the below patch to kernel source. > -diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S > -index 0b53344..f02b0f7 100644 > ---- a/arch/ia64/kernel/pal.S > -+++ b/arch/ia64/kernel/pal.S > -@@ -84,7 +84,8 @@ GLOBAL_ENTRY(ia64_pal_call_static) > - mov ar.pfs = loc1 > - mov rp = loc0 > - ;; > -- srlz.d // serialize restoration of psr.l > -+ srlz.i // serialize restoration of psr.l > -+ ;; > - br.ret.sptk.many b0 > - END(ia64_pal_call_static) > - > -6. Bug report: > - If you found any issues when use kvm/ia64, Please post the bug > info to kvm-ia64-devel mailing list. > - https://lists.sourceforge.net/lists/listinfo/kvm-ia64-devel/ > - > -Thanks for your interest! Let's work together, and make kvm/ia64 > stronger and stronger! > - > - > - Xiantao > Zhang <xiantao.zhang@xxxxxxxxx> > - 2008.3.10 > diff --git a/Documentation/ia64/paravirt_ops.txt > b/Documentation/ia64/paravirt_ops.txt > index 39ded02..3a1f36b 100644 > --- a/Documentation/ia64/paravirt_ops.txt > +++ b/Documentation/ia64/paravirt_ops.txt > @@ -12,7 +12,7 @@ paravirt_ops (pv_ops in short) is a way for > virtualization support of > Linux kernel on x86. Several ways for virtualization support were > proposed, paravirt_ops is the winner. > On the other hand, now there are also several IA64 virtualization > -technologies like kvm/IA64, xen/IA64 and many other academic IA64 > +technologies like xen/IA64 and many other academic IA64 > hypervisors so that it is good to add generic virtualization > infrastructure on Linux/IA64. > > @@ -69,9 +69,9 @@ But paravirt_ops approach was taken because > and the overhead of paravirt_ops on native environment should be as > small as possible. > > -- for full virtualization technology, e.g. KVM/IA64 or > - Xen/IA64 HVM domain, the result would be > - (the emulated platform machine vector. probably dig) + (pv_ops). > +- for full virtualization technology, e.g. Xen/IA64 HVM domain, the > + result would be (the emulated platform machine vector. probably > + dig) + (pv_ops). > This means that the virtualization support layer should be under > the machine vector layer. > > diff --git a/Documentation/virtual/kvm/api.txt > b/Documentation/virtual/kvm/api.txt > index 7a943c2..80bfe59 100644 > --- a/Documentation/virtual/kvm/api.txt > +++ b/Documentation/virtual/kvm/api.txt > @@ -607,7 +607,7 @@ struct kvm_fpu { > 4.24 KVM_CREATE_IRQCHIP > > Capability: KVM_CAP_IRQCHIP, KVM_CAP_S390_IRQCHIP (s390) > -Architectures: x86, ia64, ARM, arm64, s390 > +Architectures: x86, ARM, arm64, s390 > Type: vm ioctl > Parameters: none > Returns: 0 on success, -1 on error > @@ -615,7 +615,7 @@ Returns: 0 on success, -1 on error > Creates an interrupt controller model in the kernel. On x86, creates a > virtual > ioapic, a virtual PIC (two PICs, nested), and sets up future vcpus to > have a > local APIC. IRQ routing for GSIs 0-15 is set to both PIC and IOAPIC; > GSI 16-23 > -only go to the IOAPIC. On ia64, a IOSAPIC is created. On ARM/arm64, a > GIC is > +only go to the IOAPIC. On ARM/arm64, a GIC is > created. On s390, a dummy irq routing table is created. > > Note that on s390 the KVM_CAP_S390_IRQCHIP vm capability needs to be > enabled > @@ -625,7 +625,7 @@ before KVM_CREATE_IRQCHIP can be used. > 4.25 KVM_IRQ_LINE > > Capability: KVM_CAP_IRQCHIP > -Architectures: x86, ia64, arm, arm64 > +Architectures: x86, arm, arm64 > Type: vm ioctl > Parameters: struct kvm_irq_level > Returns: 0 on success, -1 on error > @@ -679,7 +679,7 @@ struct kvm_irq_level { > 4.26 KVM_GET_IRQCHIP > > Capability: KVM_CAP_IRQCHIP > -Architectures: x86, ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_irqchip (in/out) > Returns: 0 on success, -1 on error > @@ -701,7 +701,7 @@ struct kvm_irqchip { > 4.27 KVM_SET_IRQCHIP > > Capability: KVM_CAP_IRQCHIP > -Architectures: x86, ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_irqchip (in) > Returns: 0 on success, -1 on error > @@ -994,7 +994,7 @@ for vm-wide capabilities. > 4.38 KVM_GET_MP_STATE > > Capability: KVM_CAP_MP_STATE > -Architectures: x86, ia64, s390 > +Architectures: x86, s390 > Type: vcpu ioctl > Parameters: struct kvm_mp_state (out) > Returns: 0 on success; -1 on error > @@ -1008,16 +1008,15 @@ uniprocessor guests). > > Possible values are: > > - - KVM_MP_STATE_RUNNABLE: the vcpu is currently running [x86, ia64] > + - KVM_MP_STATE_RUNNABLE: the vcpu is currently running [x86] > - KVM_MP_STATE_UNINITIALIZED: the vcpu is an application processor (AP) > - which has not yet received an INIT > signal [x86, > - ia64] > + which has not yet received an INIT > signal [x86] > - KVM_MP_STATE_INIT_RECEIVED: the vcpu has received an INIT signal, > and is > - now ready for a SIPI [x86, ia64] > + now ready for a SIPI [x86] > - KVM_MP_STATE_HALTED: the vcpu has executed a HLT > instruction and > - is waiting for an interrupt [x86, ia64] > + is waiting for an interrupt [x86] > - KVM_MP_STATE_SIPI_RECEIVED: the vcpu has just received a SIPI (vector > - accessible via KVM_GET_VCPU_EVENTS) > [x86, ia64] > + accessible via KVM_GET_VCPU_EVENTS) [x86] > - KVM_MP_STATE_STOPPED: the vcpu is stopped [s390] > - KVM_MP_STATE_CHECK_STOP: the vcpu is in a special error state > [s390] > - KVM_MP_STATE_OPERATING: the vcpu is operating (running or halted) > @@ -1025,7 +1024,7 @@ Possible values are: > - KVM_MP_STATE_LOAD: the vcpu is in a special load/startup > state > [s390] > > -On x86 and ia64, this ioctl is only useful after KVM_CREATE_IRQCHIP. > Without an > +On x86, this ioctl is only useful after KVM_CREATE_IRQCHIP. Without an > in-kernel irqchip, the multiprocessing state must be maintained by > userspace on > these architectures. > > @@ -1033,7 +1032,7 @@ these architectures. > 4.39 KVM_SET_MP_STATE > > Capability: KVM_CAP_MP_STATE > -Architectures: x86, ia64, s390 > +Architectures: x86, s390 > Type: vcpu ioctl > Parameters: struct kvm_mp_state (in) > Returns: 0 on success; -1 on error > @@ -1041,7 +1040,7 @@ Returns: 0 on success; -1 on error > Sets the vcpu's current "multiprocessing state"; see KVM_GET_MP_STATE for > arguments. > > -On x86 and ia64, this ioctl is only useful after KVM_CREATE_IRQCHIP. > Without an > +On x86, this ioctl is only useful after KVM_CREATE_IRQCHIP. Without an > in-kernel irqchip, the multiprocessing state must be maintained by > userspace on > these architectures. > > @@ -1068,7 +1067,7 @@ documentation when it pops into existence). > 4.41 KVM_SET_BOOT_CPU_ID > > Capability: KVM_CAP_SET_BOOT_CPU_ID > -Architectures: x86, ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: unsigned long vcpu_id > Returns: 0 on success, -1 on error > @@ -1261,7 +1260,7 @@ The flags bitmap is defined as: > 4.48 KVM_ASSIGN_PCI_DEVICE > > Capability: none > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_pci_dev (in) > Returns: 0 on success, -1 on error > @@ -1311,7 +1310,7 @@ Errors: > 4.49 KVM_DEASSIGN_PCI_DEVICE > > Capability: none > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_pci_dev (in) > Returns: 0 on success, -1 on error > @@ -1330,7 +1329,7 @@ Errors: > 4.50 KVM_ASSIGN_DEV_IRQ > > Capability: KVM_CAP_ASSIGN_DEV_IRQ > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_irq (in) > Returns: 0 on success, -1 on error > @@ -1370,7 +1369,7 @@ Errors: > 4.51 KVM_DEASSIGN_DEV_IRQ > > Capability: KVM_CAP_ASSIGN_DEV_IRQ > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_irq (in) > Returns: 0 on success, -1 on error > @@ -1385,7 +1384,7 @@ KVM_ASSIGN_DEV_IRQ. Partial deassignment of host > or guest IRQ is allowed. > 4.52 KVM_SET_GSI_ROUTING > > Capability: KVM_CAP_IRQ_ROUTING > -Architectures: x86 ia64 s390 > +Architectures: x86 s390 > Type: vm ioctl > Parameters: struct kvm_irq_routing (in) > Returns: 0 on success, -1 on error > @@ -1444,7 +1443,7 @@ struct kvm_irq_routing_s390_adapter { > 4.53 KVM_ASSIGN_SET_MSIX_NR > > Capability: none > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_msix_nr (in) > Returns: 0 on success, -1 on error > @@ -1466,7 +1465,7 @@ struct kvm_assigned_msix_nr { > 4.54 KVM_ASSIGN_SET_MSIX_ENTRY > > Capability: none > -Architectures: x86 ia64 > +Architectures: x86 > Type: vm ioctl > Parameters: struct kvm_assigned_msix_entry (in) > Returns: 0 on success, -1 on error Right, thanks! Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
