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Re: [PATCH v8 0/7] Boot time cpupools
- To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Fri, 6 May 2022 11:25:28 +0000
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- Cc: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Wei Chen <Wei.Chen@xxxxxxx>
- Delivery-date: Fri, 06 May 2022 11:25:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-index: AQHYVVhdzvmSbSkA9kKhcVjYQ/ksyq0RzUeA
- Thread-topic: [PATCH v8 0/7] Boot time cpupools
> The example DT is instructing Xen to have two cpu pools, one having two
> phisical
> cpus and the one having 4 phisical cpus, the last mentioned cpu pool uses the
> null scheduler and from the /chosen node we can see that a dom0less guest will
> be started on that cpu pool.
>
> In this particular case Xen must boot with different type of cpus, so the
> boot argument hmp_unsafe must be enabled.
>
> Luca Fancellu (7):
> tools/cpupools: Give a name to unnamed cpupools
> xen/sched: create public function for cpupools creation
> xen/sched: retrieve scheduler id by name
> xen/cpupool: Create different cpupools at boot time
> xen/cpupool: Don't allow removing cpu0 from cpupool0
> arm/dom0less: assign dom0less guests to cpupools
> xen/cpupool: Allow cpupool0 to use different scheduler
>
> MAINTAINERS | 2 +-
> docs/misc/arm/device-tree/booting.txt | 5 +
> docs/misc/arm/device-tree/cpupools.txt | 140 +++++++++++++++
> tools/helpers/xen-init-dom0.c | 37 +++-
> tools/libs/light/libxl_utils.c | 3 +-
> xen/arch/arm/domain_build.c | 19 +-
> xen/arch/arm/include/asm/smp.h | 3 +
> xen/common/domain.c | 2 +-
> xen/common/sched/Kconfig | 7 +
> xen/common/sched/Makefile | 1 +
> xen/common/sched/boot-cpupool.c | 234 +++++++++++++++++++++++++
> xen/common/sched/core.c | 40 +++--
> xen/common/sched/cpupool.c | 43 ++++-
> xen/include/public/domctl.h | 5 +-
> xen/include/xen/sched.h | 53 ++++++
> 15 files changed, 563 insertions(+), 31 deletions(-)
> create mode 100644 docs/misc/arm/device-tree/cpupools.txt
> create mode 100644 xen/common/sched/boot-cpupool.c
>
> --
> 2.17.1
>
Ping?
The v8 seems to be reviewed for all patch
https://patchwork.kernel.org/project/xen-devel/list/?series=634064
Any other thought about that?
Cheers,
Luca
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