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2013-05-03Merge remote-tracking branch 'stefanha/tracing' into stagingAnthony Liguori
# By Eiichi Tsukata (2) and Kazuya Saito (2) # Via Stefan Hajnoczi * stefanha/tracing: trace: document ftrace backend trace: Add ftrace tracing backend kvm-all: add kvm_run_exit tracepoint kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints Message-id: 1367582485-15579-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-05-03Merge remote-tracking branch 'stefanha/net' into stagingAnthony Liguori
# By Amos Kong (1) and Jason Wang (1) # Via Stefan Hajnoczi * stefanha/net: tap: properly initialize vhostfds net: make network client name unique Message-id: 1367582254-15060-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-05-03Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori
# By Fam Zheng (8) and others # Via Stefan Hajnoczi * stefanha/block: qemu-iotests: Filter out 'adapter_type' nbd: support large NBD requests nbd: use g_slice_new() instead of a freelist qemu-iotests: Filter out vmdk creation options vmdk: add bdrv_co_write_zeroes vmdk: store fields of VmdkMetaData in cpu endian vmdk: change magic number to macro vmdk: Add option to create zeroed-grain image vmdk: add support for “zeroed‐grain” GTE vmdk: named return code. blockdev: Replace "undefined error" in qmp_block_resize block: add read-only support to VHDX image format. block: initial VHDX driver support framework - supports open and probe block: vhdx header for the QEMU support of VHDX images qemu: add castagnoli crc32c checksum algorithm
2013-05-03trace: document ftrace backendEiichi Tsukata
Add documentation of ftrace backend. Signed-off-by: Eiichi Tsukata <eiichi.tsukata.xh@hitachi.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03trace: Add ftrace tracing backendEiichi Tsukata
This patch adds a ftrace tracing backend which sends trace event to ftrace marker file. You can effectively compare qemu trace data and kernel(especially, kvm.ko when using KVM) trace data. The ftrace backend is restricted to Linux only. To try out the ftrace backend: $ ./configure --trace-backend=ftrace $ make if you use KVM, enable kvm events in ftrace: # sudo echo 1 > /sys/kernel/debug/tracing/events/kvm/enable After running qemu by root user, you can get the trace: # cat /sys/kernel/debug/tracing/trace Signed-off-by: Eiichi Tsukata <eiichi.tsukata.xh@hitachi.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03kvm-all: add kvm_run_exit tracepointKazuya Saito
This patch enable us to know exit reason of KVM_RUN. It will help us know where the trouble is caused. Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepointsKazuya Saito
This patch adds tracepoints at ioctl to kvm. Tracing these ioctl is useful for clarification whether the cause of troubles is qemu or kvm. Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03tap: properly initialize vhostfdsJason Wang
Only tap->vhostfd were checked net_init_tap_one(), but tap->vhostfds were forgot, this will lead qemu to ignore all fds passed by management through vhostfds, and tries to create vhost_net device itself. Fix by adding this check also. Reportyed-by: Michal Privoznik <mprivozn@redhat.com> Cc: Michal Privoznik <mprivozn@redhat.com> Cc: qemu-stable@nongnu.org Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03net: make network client name uniqueAmos Kong
assign_name() creates a name MODEL.NUM, where MODEL is the client's model, and NUM is the number of MODELs that already exist. Markus added NIC naming for non-VLAN clients in commit 53e51d85. commit d33d93b2 incorrectly added a judgement of net-hub. It caused net clients created with -netdev get same names. eg: # qemu-upstream -device virtio-net-pci,netdev=h1 -netdev tap,id=h1 \ -device virtio-net-pci,netdev=h2 -netdev tap,id=h2 .. (qemu) info network virtio-net-pci.0: index=0,type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56 \ h1: index=0,type=tap,ifname=tap0,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown virtio-net-pci.0: index=0,type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57 \ h2: index=0,type=tap,ifname=tap1,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown This patch removed the check of nic-hub, and created unique names for all net clients that have same model. v2: update commitlog & comments Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03qemu-iotests: Filter out 'adapter_type'Fam Zheng
Filter out vmdk creation option 'adapter_type' for vmdk. So that tests with an explicit './check -o adapter_type=XXX' will not fail. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03nbd: support large NBD requestsStefan Hajnoczi
The Linux nbd driver recently increased the maximum supported request size up to 32 MB: commit 078be02b80359a541928c899c2631f39628f56df Author: Michal Belczyk <belczyk@bsd.krakow.pl> Date: Tue Apr 30 15:28:28 2013 -0700 nbd: increase default and max request sizes Raise the default max request size for nbd to 128KB (from 127KB) to get it 4KB aligned. This patch also allows the max request size to be increased (via /sys/block/nbd<x>/queue/max_sectors_kb) to 32MB. QEMU's 1 MB buffers are too small to handle these requests. This patch allocates data buffers dynamically and allows up to 32 MB per request. Reported-by: Nick Thomas <nick@bytemark.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03nbd: use g_slice_new() instead of a freelistStefan Hajnoczi
Use GLib's efficient slice allocator instead of open-coding the request freelist. This patch simplifies the NBDRequest code. Now we qemu_blockalign() the req->data buffer each time but the next patch switches from a fixed size buffer to a dynamic size anyway. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03tcg-arm: Use movi32 in exit_tbRichard Henderson
Avoid the mini constant pool for armv7, and avoid replicating the test for pre-v7. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-05-03tcg-arm: Fix 64-bit tlb load for pre-v6Richard Henderson
Found by inspection, since the effect of the bug was simply to send all memory ops through the slow path. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-05-03target-mips: fix calculation of overflow for SHLL.PH and SHLL.QBPetar Jovanovic
This change corrects and simplifies how discard is calculated for shift left logical vector instructions. It is used to detect overflow and set bit 22 in the DSPControl register. The existing tests (shll_ph.c, shll_qb.c) are extended with the corner cases that expose incorrectness in the previous implementation. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-05-03qemu-iotests: Filter out vmdk creation optionsFam Zheng
Cover new image creation options for vmdk, so we can use '-o zeroed_grain=XXX' and '-o subformat=XXX' to run the tests successfully. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: add bdrv_co_write_zeroesFam Zheng
Use special offset to write zeroes efficiently, when zeroed-grain GTE is available. If zero-write an allocated cluster, cluster is leaked because its offset pointer is overwritten by "0x1". Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: store fields of VmdkMetaData in cpu endianFam Zheng
Previously VmdkMetaData.offset is stored little endian while other fields are cpu endian. This changes offset to cpu endian and convert before writing to image. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: change magic number to macroFam Zheng
Two hard coded flag bits are changed to macros. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: Add option to create zeroed-grain imageFam Zheng
Add image create option "zeroed-grain" to enable zeroed-grain GTE feature of vmdk sparse extents. When this option is on, header version of newly created extent will be 2 and VMDK4_FLAG_ZERO_GRAIN flag bit will be set. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: add support for “zeroed‐grain” GTEFam Zheng
Introduced support for zeroed-grain GTE, as specified in Virtual Disk Format 5.0[1]. Recent VMware hosted platform products support a new “zeroed‐grain” grain table entry (GTE). The zeroed‐grain GTE returns all zeros on read. In other words, the zeroed‐grain GTE indicates that a grain in the child disk is zero‐filled but does not actually occupy space in storage. A sparse extent with zeroed‐grain GTE has the following in its header: * SparseExtentHeader.version = 2 * SparseExtentHeader.flags has bit 2 set Other than the new flag and the possibly zeroed‐grain GTE, version 2 sparse extents are identical to version 1. Also, a zeroed‐grain GTE has value 0x1 in the GT table. [1] Virtual Disk Format 5.0, http://www.vmware.com/support/developer/vddk/vmdk_50_technote.pdf?src=vmdk Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03vmdk: named return code.Fam Zheng
Internal routines in vmdk.c previously return -1 on error and 0 on success. More return values are useful for future changes such as zeroed-grain GTE. Change all the magic `return 0` and `return -1` to macro names: * VMDK_OK 0 * VMDK_ERROR (-1) * VMDK_UNALLOC (-2) * VMDK_ZEROED (-3) Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03blockdev: Replace "undefined error" in qmp_block_resizeKevin Wolf
We have an errno value that can be displayed, so we should just do that. An easy way to reproduce this case is to resize a raw image to a size that is too large for the host file system. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03block: add read-only support to VHDX image format.Jeff Cody
This adds in read-only support to the VHDX image format. This supports reads for fixed-size, and dynamic sized VHDX images. Differencing files are still unsupported. The image must be opened without BDRV_O_RDWR set, because we do not yet update the headers. I.e., pass 'readonly=on' in the drive image options from the QEMU commandline. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03block: initial VHDX driver support framework - supports open and probeJeff Cody
This is the initial block driver framework for VHDX image support (i.e. Hyper-V image file formats), that supports opening VHDX files, and parsing the headers. This commit does not yet enable: - reading - writing - updating the header - differencing files (images with parents) - log replay / dirty logs (only clean images) This is based on Microsoft's VHDX specification: "VHDX Format Specification v0.95", published 4/12/2012 https://www.microsoft.com/en-us/download/details.aspx?id=29681 Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03block: vhdx header for the QEMU support of VHDX imagesJeff Cody
This is based on Microsoft's VHDX specification: "VHDX Format Specification v0.95", published 4/12/2012 https://www.microsoft.com/en-us/download/details.aspx?id=29681 These structures define the various header, metadata, and other block structures defined in the VHDX specification. Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03qemu: add castagnoli crc32c checksum algorithmJeff Cody
This adds the Castagnoli CRC32C algorithm, using the 0x11EDC6F41 polynomial. This is extracted from the linux kernel cryptographic crc32.c module. The algorithm is based on: Castagnoli93: Guy Castagnoli and Stefan Braeuer and Martin Herrman "Optimization of Cyclic Redundancy-Check Codes with 24 and 32 Parity Bits", IEEE Transactions on Communication, Volume 41, Number 6, June 1993 Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-02Merge remote-tracking branch 'afaerber/qom-cpu' into stagingAnthony Liguori
# By Igor Mammedov (21) and others # Via Andreas Färber * afaerber/qom-cpu: (29 commits) Drop redundant resume_all_vcpus() from main() cpus: Fix pausing TCG CPUs while in vCPU thread target-i386: Replace cpuid_*features fields with a feature word array target-i386: Break CPUID feature definition lines target-i386/kvm.c: Code formatting changes target-i386: Group together level, xlevel, xlevel2 fields pc: Implement QEMUMachine::hot_add_cpu hook QMP: Add cpu-add command Add hot_add_cpu hook to QEMUMachine target-i386: Move APIC to ICC bus target-i386: Attach ICC bus to CPU on its creation target-i386: Introduce ICC bus/device/bridge cpu: Move cpu_write_elfXX_note() functions to CPUState kvmvapic: Make dependency on sysbus.h explicit target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZE target-i386: Do not allow to set apic-id once CPU is realized target-i386: Introduce apic-id CPU property target-i386: Introduce feat2prop() for CPU properties acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest cpu: Add helper cpu_exists(), to check if CPU with specified id exists ...
2013-05-02Merge remote-tracking branch 'mjt/trivial-patches' into stagingAnthony Liguori
# By Andreas Färber (1) and others # Via Michael Tokarev * mjt/trivial-patches: pvscsi: fix compilation on 32 bit hosts Trivial grammar and spelling fixes configure: Pick up libseccomp include path
2013-05-02Drop redundant resume_all_vcpus() from main()Jan Kiszka
VCPUs are either resumed directly via vm_start(), after the incoming migration is done, or when a continue command is issued. We don't need the explicit resume before entering main_loop(). Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-02cpus: Fix pausing TCG CPUs while in vCPU threadAndreas Färber
Due to a preceding while loop, no CPU would've been put into stopped state. Reinitialize the variable. This fixes commit d798e97456658ea7605303b7c69b04ec7df95c10 (Allow to use pause_all_vcpus from VCPU context) for non-KVM case. While at it, change a 0 to false, amending commit 4fdeee7cd4c8f90ef765537b9346a195d9483ab5 (cpu: Move stop field to CPUState). Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-02target-i386: Replace cpuid_*features fields with a feature word arrayEduardo Habkost
This replaces the feature-bit fields on both X86CPU and x86_def_t structs with an array. With this, we will be able to simplify code that simply does the same operation on all feature words (e.g. kvm_check_features_against_host(), filter_features_for_kvm(), add_flagname_to_bitmaps(), CPU feature-bit property lookup/registration, and the proposed "feature-words" property) The following field replacements were made on X86CPU and x86_def_t: (cpuid_)features -> features[FEAT_1_EDX] (cpuid_)ext_features -> features[FEAT_1_ECX] (cpuid_)ext2_features -> features[FEAT_8000_0001_EDX] (cpuid_)ext3_features -> features[FEAT_8000_0001_ECX] (cpuid_)ext4_features -> features[FEAT_C000_0001_EDX] (cpuid_)kvm_features -> features[FEAT_KVM] (cpuid_)svm_features -> features[FEAT_SVM] (cpuid_)7_0_ebx_features -> features[FEAT_7_0_EBX] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-02target-i386: Break CPUID feature definition linesEduardo Habkost
Break lines on kvm_check_features_against_host(), kvm_cpu_fill_host(), and builtin_x86_defs, so they don't get too long once the *_features fields are replaced by an array. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386/kvm.c: Code formatting changesEduardo Habkost
Add appropriate spaces around operators, and break line where it needs to be broken to allow feature-words array to be introduced without having too-long lines. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Group together level, xlevel, xlevel2 fieldsEduardo Habkost
Consolidate level, xlevel, xlevel2 fields in x86_def_t and CPUX86State. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01pvscsi: fix compilation on 32 bit hostsHervé Poussineau
This fixes the following error: In file included from qemu/include/trace.h:4:0, from trace/generated-events.c:3: ./trace/generated-tracers.h: In function ‘trace_pvscsi_get_sg_list’: ./trace/generated-tracers.h:4271:9: error: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘size_t’ [-Werror=format] Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-05-01Trivial grammar and spelling fixesStefan Weil
similiar -> similar recieve -> receive transfered -> transferred preperation -> preparation Most changes are in comments, one modifies a parameter name in a function prototype. The spelling fixes were made using codespell. Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-05-01configure: Pick up libseccomp include pathAndreas Färber
openSUSE 12.3 has seccomp.h in /usr/include/libseccomp-1.0.1, so add `pkg-config --cflags libseccomp` output to QEMU_CFLAGS. Cc: qemu-stable@nongnu.org Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-05-01pc: Implement QEMUMachine::hot_add_cpu hookIgor Mammedov
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01QMP: Add cpu-add commandIgor Mammedov
Adds "cpu-add id=xxx" QMP command. cpu-add's "id" argument is a CPU number in a range [0..max-cpus) Example QMP command: -> { "execute": "cpu-add", "arguments": { "id": 2 } } <- { "return": {} } Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01Add hot_add_cpu hook to QEMUMachineIgor Mammedov
Hook should be set by machines that implement CPU hot-add via cpu-add QMP command. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Move APIC to ICC busIgor Mammedov
It allows APIC to be hotplugged. * map APIC's mmio at board level if it is present * do not register mmio region for each APIC, since only one is used/mapped Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Attach ICC bus to CPU on its creationIgor Mammedov
X86CPU should have parent bus so it could provide bus for child APIC. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce ICC bus/device/bridgeIgor Mammedov
Provides a hotpluggable bus for APIC and CPU. * icc-bridge will serve as a parent for icc-bus and provide mmio mapping services to child icc-devices. * icc-device will replace SysBusDevice as a parent of APIC and IOAPIC devices. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01cpu: Move cpu_write_elfXX_note() functions to CPUStateJens Freimann
Convert cpu_write_elfXX_note() functions to CPUClass methods and pass CPUState as argument. Update target-i386 accordingly. Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> [AF: Retain stubs as CPUClass' default method implementation; style changes] Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01kvmvapic: Make dependency on sysbus.h explicitIgor Mammedov
Allows kvmvapic to compile if sysbus.h is removed from apic_internal.h, from which it is indirectly included. sysbus.h will be removed from apic_internal.h after converting APICs to ICCDevice. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZEIgor Mammedov
Put APIC_SPACE_SIZE in a public header so that it can be reused elsewhere later. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Do not allow to set apic-id once CPU is realizedIgor Mammedov
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce apic-id CPU propertyIgor Mammedov
The property is used from board level to set APIC ID for CPUs it creates. Do so in a new pc_new_cpu() helper, to be reused for hot-plug. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01target-i386: Introduce feat2prop() for CPU propertiesIgor Mammedov
This helper replaces '_' with '-' in a uniform way. As a side effect, even custom mappings must use '-' now. Signed-off-by: Igor Mammedov <imammedo@redhat.com> [AF: Split off; operate on NUL-terminated string rather than '=' delimiter] Signed-off-by: Andreas Färber <afaerber@suse.de>
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