I meant to start with that I observed the following at boot.
```
xen: PV spinlocks enabled
```
It's what started my investigation.
On Mon, Feb 19, 2024 at 10:15:40PM -0800, Brian E. Lavender wrote:
I was checking the kernel output messages of my Xen VM
and I saw the
following message.
"Preventing Guests from Spinning Around"
It made me think of the song "Spin me right round like a record player"
Then I found the research paper
"Preventing Guests from Spinning Around"
https://www.researchgate.net/profile/Thomas_Friebel/publication/200014431_L…
The work you have to do to keep from spinning, and spinning, and
spinning!
These are all entertaining thoughts.
Brian
--
Brian Lavender
http://www.brie.com/brian/
"There are two ways of constructing a software design. One way is to
make it so simple that there are obviously no deficiencies. And the other
way is to make it so complicated that there are no obvious deficiencies."
Professor C. A. R. Hoare
The 1980 Turing award lecture
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--
Brian Lavender
http://www.brie.com/brian/
"There are two ways of constructing a software design. One way is to
make it so simple that there are obviously no deficiencies. And the other
way is to make it so complicated that there are no obvious deficiencies."
Professor C. A. R. Hoare
The 1980 Turing award lecture