Re: [PATCH] memory: bail from page scrubbing when CPU is no longer online

2021-01-28 Thread Andrew Cooper
On 28/01/2021 10:35, Jan Beulich wrote: > Scrubbing can significantly delay the offlining (parking) of a CPU (e.g. > because of booting into in smt=0 mode), to a degree that the "CPU > still not dead..." messages logged on x86 in 1s intervals can be seen > multiple times. There are no softirqs inv

[PATCH] memory: bail from page scrubbing when CPU is no longer online

2021-01-28 Thread Jan Beulich
Scrubbing can significantly delay the offlining (parking) of a CPU (e.g. because of booting into in smt=0 mode), to a degree that the "CPU still not dead..." messages logged on x86 in 1s intervals can be seen multiple times. There are no softirqs involved in this process, so extend the existing pr