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Re: [Qemu-discuss] what is the defferences between /usr/libexec/qemu-kvm
Re: [Qemu-discuss] what is the defferences between /usr/libexec/qemu-kvm and /usr/bin/qemu-system-x86_64?
Mon, 15 Oct 2012 11:14:55 -0600
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On 10/14/2012 04:02 AM, yue-kvm wrote:
what is the defferences between /usr/libexec/qemu-kvm and
> my OS is centos6.2, qemu-kvm is from a rpm package, while
qemu-system-x86_64 is builded manually from source code.
> if i can recognize they are the same thing?
> 2. for centos distro, how to build a qemu rpm from source code? it seems
there is no qemu.spec file
qemu-system-x64_64 is a binary that is built by the qemu source code.
qemu-kvm is a binary from the qemu-kvm branch of qemu. the qemu-kvm
branch was where the original work for kvm was done. almost all of the
work that was done in the qemu-kvm branch has been merged back into the
main qemu source tree and i think the developers want to complete
merging everything in the next release or two. the only thing i can
think of from qemu-kvm that hasn't made it upstream is a handful of
command line switches for enabling or disabling certain features though
i think the features they change are already upstream. they are very
similar in recent versions.
as for building an rpm, i would guess that the spec file from the source
rpm for qemu-kvm would work with qemu. i just looked in the qemu-kvm
source code and didn't see a spec file there. it is probably something
that the distribution maintains and, since the source trees are similar,
it might just work between the two.
hope that helps.