APPLIED [O] Re: [O/U][PULL] Vertical CPU Polarization Support Stage 2 (LP: 2072760)

[Timo Aaltonen]

frank.heimes at canonical.com kirjoitti 5.9.2024 klo 9.03:
> BugLink: https://bugs.launchpad.net/bugs/2072760
> 
> The Linux kernel already provides a mechanism to switch from horizontal
> to vertical polarization.
> However the current implementation does not tell the Linux scheduler
> about the "cpu capacity" of the different types of vertical cpus.
> For vertical high cpus cpu capacity is 100%.
> For vertial low cpus it should be close to 0% (should not be used).
> Difficult is to tell the cpu capacity of vertical medium cpus.
> 
> The following changes since commit cd2425c4c51263d9c5130b68fd1ac8f482c59ba9:
> 
>    UBUNTU: link-to-tracker: update tracking bug (2024-09-03 10:54:16 +0300)
> 
> are available in the Git repository at:
> 
>    https://git.launchpad.net/~fheimes/+git/lp2072760/ 1e3d57140058b7dd074ce952c5280ca123b00c6b
> 
> for you to fetch changes up to 1e3d57140058b7dd074ce952c5280ca123b00c6b:
> 
>    UBUNTU: [Config] Initial set of new options HIPERDISPATCH_ON and SCHED_TOPOLOGY_VERTICAL to yes for s390x (2024-09-04 13:57:51 +0200)
> 
> ----------------------------------------------------------------
> Frank Heimes (1):
>        UBUNTU: [Config] Initial set of new options HIPERDISPATCH_ON and SCHED_TOPOLOGY_VERTICAL to yes for s390x
> 
> Mete Durlu (7):
>        s390/smp: Add cpu capacities
>        s390/hiperdispatch: Introduce hiperdispatch
>        s390/hiperdispatch: Add steal time averaging
>        s390/hiperdispatch: Add trace events
>        s390/hiperdispatch: Add hiperdispatch sysctl interface
>        s390/hiperdispatch: Add hiperdispatch debug attributes
>        s390/hiperdispatch: Add hiperdispatch debug counters
> 
> Tobias Huschle (6):
>        s390/wti: Introduce infrastructure for warning track interrupt
>        s390/wti: Prepare graceful CPU pre-emption on wti reception
>        s390/wti: Add wti accounting for missed grace periods
>        s390/wti: Add debugfs file to display missed grace periods per cpu
>        s390/topology: Add sysctl handler for polarization
>        s390/topology: Add config option to switch to vertical during boot
> 
>   arch/s390/Kconfig                           |  20 ++
>   arch/s390/include/asm/ctlreg.h              |   5 +-
>   arch/s390/include/asm/diag.h                |   9 +
>   arch/s390/include/asm/hiperdispatch.h       |  14 +
>   arch/s390/include/asm/irq.h                 |   2 +
>   arch/s390/include/asm/processor.h           |   1 +
>   arch/s390/include/asm/sclp.h                |   1 +
>   arch/s390/include/asm/smp.h                 |   4 +
>   arch/s390/include/asm/topology.h            |   3 +
>   arch/s390/include/asm/trace/hiperdispatch.h |  58 ++++
>   arch/s390/kernel/Makefile                   |   4 +-
>   arch/s390/kernel/diag.c                     |  17 ++
>   arch/s390/kernel/hiperdispatch.c            | 430 ++++++++++++++++++++++++++++
>   arch/s390/kernel/irq.c                      |   1 +
>   arch/s390/kernel/smp.c                      |  21 ++
>   arch/s390/kernel/topology.c                 |  76 +++--
>   arch/s390/kernel/wti.c                      | 215 ++++++++++++++
>   debian.master/config/annotations            |   6 +
>   drivers/s390/char/sclp_early.c              |   1 +
>   19 files changed, 868 insertions(+), 20 deletions(-)
>   create mode 100644 arch/s390/include/asm/hiperdispatch.h
>   create mode 100644 arch/s390/include/asm/trace/hiperdispatch.h
>   create mode 100644 arch/s390/kernel/hiperdispatch.c
>   create mode 100644 arch/s390/kernel/wti.c
> 

applied, thanks


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