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Accepting request 863138 from home:bfrogers:branches:Virtualization

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Redo wording of last changelog entry.

OBS-URL: https://build.opensuse.org/request/show/863138
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=602
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Bruce Rogers 2021-01-14 15:36:27 +00:00 committed by Git OBS Bridge
parent 58189e6be2
commit f53be670f0
1 changed files with 22 additions and 22 deletions
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@ -1,28 +1,28 @@
-------------------------------------------------------------------
Wed Jan 13 19:48:17 UTC 2021 - Bruce Rogers <brogers@suse.com>
- Convert qemu-kvm from a script to a symlink. This method of
invoking the QEMU emulator has been deprecated for some time,
but is still provided. It has as it's origins a version of QEMU
which had KVM acceleration enabled by default. In it's recent
incarnation it is a script which adds '-machine accel=kvm' to the
beginning of the list of command line options passed to the
emulator. This method collides with the now preferred method of
specifying acceleration options by using -accel. qemu-kvm is now
changed to simply be a symlink to the same QEMU binary which the
prior script exec'd. This new approach takes advantage of a built
in QEMU feature where if QEMU is invoked using a program name
ending in 'kvm', KVM emulation is enabled. This approach is
better in that it is more compatible with any other command line
option that may be added for specifying acceleration (not that
you should do that).
For those who have taken advantage of the fact that you can add
additional command line options to the qemu-kvm script, or doing
other things in that script you will just need to create an
alternate script "emulator" to achieve the same. It's possible
that there may be some very subtle behavioral difference in the
switch from a script to a symlink, but given that qemu-kvm is a
deprecated package, we're not going to worry about that.
- Convert qemu-kvm from a script to a symlink. Using qemu-kvm to
invoke the QEMU emulator has been deprecated for some time,
but is still provided. It has as it's ancient origins a version
of QEMU which had KVM acceleration enabled by default, and then
recently, until now, it is a shell script which execs the QEMU
emulator, adding '-machine accel=kvm' to the beginning of the
list of command line options passed to the emulator.
This method collides with the now preferred method of specifying
acceleration options by using -accel. qemu-kvm is now changed to
simply be a symlink to the same QEMU binary which the prior
script exec'd. This new approach takes advantage of a built-in
QEMU feature where if QEMU is invoked using a program name ending
in 'kvm', KVM emulation is enabled. This approach is better in
that it is more compatible with any other command line option
that may be added for describing acceleration.
For those who have modified qemu-kvm to add additional command
line options, or take other actions in the context of the script
you will now need to create an alternate script "emulator" to
achieve the same result. Note that it's possible there may be
some very subtle behavioral difference in the switch from a
script to a symlink, but given that qemu-kvm is a deprecated
package, we're not going to worry about that.
-------------------------------------------------------------------
Tue Jan 5 14:56:10 UTC 2021 - Bruce Rogers <brogers@suse.com>