[PATCH v4 0/5] rework sched_domain topology description

[Vincent Guittot]

On 12 April 2014 14:56, Dietmar Eggemann <dietmar.eggemann at arm.com> wrote:
> On 11/04/14 10:44, Vincent Guittot wrote:
>>
>> This patchset was previously part of the larger tasks packing patchset
>> [1].
>> I have splitted the latter in 3 different patchsets (at least) to make the
>> thing easier.
>> -configuration of sched_domain topology (this patchset)
>> -update and consolidation of cpu_power
>> -tasks packing algorithm
>>
>> Based on Peter Z's proposal [2][3], this patchset modifies the way to
>> configure
>> the sched_domain level in order to let architectures to add specific level
>> like
>> the current BOOK level or the proposed power gating level for ARM
>> architecture.
>>
>> [1] https://lkml.org/lkml/2013/10/18/121
>> [2] https://lkml.org/lkml/2013/11/5/239
>> [3] https://lkml.org/lkml/2013/11/5/449
>
>
> Hi Vincent,
>
> given the discussion we had for v1-v3 and a short boot test of v4:
>
> For patch 1/5, 4/5, 5/5 on ARM TC2 (heterogeneous dual socket w/o SMT
> machine):
>
> Reviewed-by: Dietmar Eggemann <dietmar.eggemann at arm.com>
> Tested-by: Dietmar Eggemann <dietmar.eggemann at arm.com>
>

Thanks

> Cheers,
>
> -- Dietmar
>
>
>>
>> Change since v3:
>> - remove last patch which was adding SD_SHARE_POWER_DOMAIN for powerpc's
>> SMT
>>    level
>>
>> Change since v2:
>> - remove patch 1 as it has been already applied to metag tree for v3.15
>> - updates some commit messages
>> - add new flag description in TOPOLOGY_SD_FLAGS description
>>
>> Change since v1:
>> - move sched_domains_curr_level back under #ifdef CONFIG_NUMA
>> - use function pointer to set flag instead of a plain value.
>> - add list of tunable flags in the commit message of patch 2
>> - add SD_SHARE_POWER_DOMAIN flag for powerpc's SMT level
>>
>> Vincent Guittot (5):
>>    sched: rework of sched_domain topology definition
>>    sched: s390: create a dedicated topology table
>>    sched: powerpc: create a dedicated topology table
>>    sched: add a new SD_SHARE_POWERDOMAIN for sched_domain
>>    sched: ARM: create a dedicated scheduler topology table
>>
>>   arch/arm/kernel/topology.c       |  26 +++++
>>   arch/ia64/include/asm/topology.h |  24 ----
>>   arch/powerpc/kernel/smp.c        |  31 +++--
>>   arch/s390/include/asm/topology.h |  13 +--
>>   arch/s390/kernel/topology.c      |  20 ++++
>>   arch/tile/include/asm/topology.h |  33 ------
>>   include/linux/sched.h            |  49 +++++++-
>>   include/linux/topology.h         | 128 +++-----------------
>>   kernel/sched/core.c              | 244
>> ++++++++++++++++++++-------------------
>>   9 files changed, 255 insertions(+), 313 deletions(-)
>>
>
>