ChangeLog/0.15

0.15.0

Targets

• New targets added: LatticeMico32 and UniCore32.

ARM

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MIPS

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SH4

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PPC

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s390x

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SPARC

• Sparc32: Improvements to OpenBIOS make Solaris 8 boot possible.
• Minor Sparc32 and Sparc64 fixes.

Hosts

ARM

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MIPS

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IA64

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KVM

Common

• Countless fixes ported over from qemu-kvm, core is now shared with that tree, i.e. has the same quality
• Pimped up threading model, now fully synchronized with qemu-kvm tree
• Removed dependency on external kernel headers, all supported KVM features are now built into the binary

x86

• Paravirtual kvmclock fixes
• Stable guest TSC across migration
• Support for SMEP CPU feature
• Support for VIA CPU features
• Reworked & fixed MCE support

PPC

• ...

s390x

• ...

Devices

IDE / AHCI

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SCSI

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USB

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virtio

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PCI/PCI Express

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Sound

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Video

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RTC

• MC146818 (for PCs): Follow host clock resets to the past immediately (instead of freezing the clock)

Block Drivers

qcow2

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qed

• Support for growing images with qemu-img resize (commit)
• Periodically flush and clear need check bit to reduce chance of leaving image files dirty on power failure (commit)
• Fix consistency check on 32-bit hosts (commit)

Networking

User space (slirp)

• Fixed DHCP support in restrict (host-only) mode
• Ping packet forwarding to external hosts via unprivileged ICMP sockets of Linux 3.0

Spice

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QMP / Monitor

• Support for two new QMP commands: inject-nmi ((commit) and snapshot-blkdev-sync ((commit)
• Fixed some issues with the JSON parser (several commits, first one here)

Tracing

• Make simpletrace.py a Python module for trace analysis scripts (blog), (commit)
• Make 'simple' backend thread-safe (commit)
• Add tracetool --probe-prefix optional argument to prefix DTrace probe names (commit)

Other stuff

• Xen support merged (http://blog.xen.org/index.php/2011/05/13/xen-support-upstreamed-to-qemu/)