From: Dave Hansen <dave@sr71.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, hpa@linux.intel.com, brice.goglin@gmail.com,
bp@alien8.de, linux-kernel@vger.kernel.org,
dave.hansen@linux.intel.com
Subject: Re: [RFC][PATCH 6/6] sched: consolidate config options
Date: Fri, 19 Sep 2014 12:15:45 -0700 [thread overview]
Message-ID: <541C80E1.9040601@sr71.net> (raw)
In-Reply-To: <20140918172944.GT2840@worktop.localdomain>
On 09/18/2014 10:29 AM, Peter Zijlstra wrote:
>> > +config SCHED_BOOK
>> > + def_bool y
>> > + prompt "Book scheduler support"
>> > + depends on ARCH_ENABLE_SCHED_BOOK
>> > + select SCHED_MC
>> > + help
>> > + Book scheduler support improves the CPU scheduler's decision making
>> > + when dealing with machines that have several books.
>> > +
>> > + Currenltly only used on s390 which has only a single NUMA node.
>> > + Books are collections of CPUs that are grouped similarly to a NUMA
>> > + node, but without the same memory properites that NUMA nodes have.
> Nothing outside of s390 knows about SCHED_BOOK, it doesn't make sense to
> have that here.
By sticking all of them together, my hope was that folks who were going
to add a topology level could see all of the existing options in a
single place.
But, just say the word and I'll yank it out and repost.
next prev parent reply other threads:[~2014-09-19 19:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-17 22:33 [RFC][PATCH 0/6] fix topology for multi-NUMA-node CPUs Dave Hansen
2014-09-17 22:33 ` [RFC][PATCH 1/6] topology: rename topology_core_cpumask() to topology_package_cpumask() Dave Hansen
2014-09-17 22:33 ` [RFC][PATCH 2/6] x86: introduce cpumask specifically for the package Dave Hansen
2014-09-18 14:57 ` Peter Zijlstra
2014-09-17 22:33 ` [RFC][PATCH 3/6] x86: use package_map instead of core_map for sysfs Dave Hansen
2014-09-17 22:33 ` [RFC][PATCH 4/6] sched: eliminate "DIE" domain level when NUMA present Dave Hansen
2014-09-18 17:28 ` Peter Zijlstra
2014-09-17 22:33 ` [RFC][PATCH 5/6] sched: keep MC domain from crossing nodes OR packages Dave Hansen
2014-09-17 22:33 ` [RFC][PATCH 6/6] sched: consolidate config options Dave Hansen
2014-09-18 17:29 ` Peter Zijlstra
2014-09-19 19:15 ` Dave Hansen [this message]
2014-09-19 23:03 ` Peter Zijlstra
2014-09-18 7:45 ` [RFC][PATCH 0/6] fix topology for multi-NUMA-node CPUs Borislav Petkov
[not found] ` <CAOjmkp8EGO0jicmdO=p6ATHz-hUJmWb+xoBLjOdLBUwwGzyhhg@mail.gmail.com>
2014-09-22 15:54 ` Aravind Gopalakrishnan
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