Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit... | linux-arm-kernel

[PATCH v3 00/14] An alternative series for asymmetric AArch32 systems · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 01/14] arm64: cpuinfo: Split AArch32 registers out into a separate struct · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 02/14] arm64: Allow mismatched 32-bit EL0 support · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 02/14] arm64: Allow mismatched 32-bit EL0 support · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 02/14] arm64: Allow mismatched 32-bit EL0 support · Will Deacon <will@kernel.org> · 2020-11-19
[PATCH v3 03/14] KVM: arm64: Kill 32-bit vCPUs on systems with mismatched EL0 support · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 04/14] arm64: Kill 32-bit applications scheduled on 64-bit-only CPUs · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 05/14] arm64: Advertise CPUs capable of running 32-bit applications in sysfs · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Valentin Schneider <hidden> · 2020-11-19
Re: [PATCH v3 07/14] sched: Introduce restrict_cpus_allowed_ptr() to limit task CPU affinity · Will Deacon <will@kernel.org> · 2020-11-19
[PATCH v3 06/14] arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection · Quentin Perret <hidden> · 2020-11-23
[PATCH v3 11/14] sched: Reject CPU affinity changes based on arch_cpu_allowed_mask() · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 11/14] sched: Reject CPU affinity changes based on arch_cpu_allowed_mask() · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 11/14] sched: Reject CPU affinity changes based on arch_cpu_allowed_mask() · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 11/14] sched: Reject CPU affinity changes based on arch_cpu_allowed_mask() · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 11/14] sched: Reject CPU affinity changes based on arch_cpu_allowed_mask() · Will Deacon <will@kernel.org> · 2020-11-19
[PATCH v3 12/14] arm64: Prevent offlining first CPU with 32-bit EL0 on mismatched system · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 13/14] arm64: Implement arch_cpu_allowed_mask() · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 14/14] arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores · Will Deacon <will@kernel.org> · 2020-11-13
[PATCH v3 09/14] cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1 · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 09/14] cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1 · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 09/14] cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1 · Will Deacon <will@kernel.org> · 2020-11-19
[PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-13
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Quentin Perret <hidden> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 08/14] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 · Will Deacon <will@kernel.org> · 2020-11-19
Re: [PATCH v3 00/14] An alternative series for asymmetric AArch32 systems · Peter Zijlstra <peterz@infradead.org> · 2020-11-19
Re: [PATCH v3 00/14] An alternative series for asymmetric AArch32 systems · Will Deacon <will@kernel.org> · 2020-11-19

Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection

From: Quentin Perret <hidden>
Date: 2020-11-23 14:48:38
Also in: linux-arch, lkml

On Thursday 19 Nov 2020 at 20:39:07 (+0000), Will Deacon wrote:

Ah, so in doing this I realised I don't like arch_cpu_possible_mask() so
much because it makes it sound like a back-end to cpu_possible_mask, but
the two are really different things.

arch_task_cpu_possible_mask() might work?

Yes, making it explicit in the name that this is a task-specific thing
doesn't hurt.

Thanks,
Quentin

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