public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Anton Blanchard <anton@au1.ibm.com>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	Venkatesh Pallipadi <venki@google.com>,
	Paul Turner <pjt@google.com>, Mike Galbraith <efault@gmx.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Andreas Herrmann <andreas.herrmann3@amd.com>
Subject: Re: [RFC][PATCH 02/14] sched: Simplify cpu_power initialization
Date: Mon, 14 Mar 2011 17:35:59 -0400	[thread overview]
Message-ID: <20110314213559.GE20259@home.goodmis.org> (raw)
In-Reply-To: <20110314152226.541815887@chello.nl>

On Mon, Mar 14, 2011 at 04:06:15PM +0100, Peter Zijlstra wrote:
> The code in update_group_power() does what init_sched_groups_power()
> does and more, so remove the special init_ code and call the generic
> code instead.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> LKML-Reference: <new-submission>
> ---
>  kernel/sched.c |   44 +++++---------------------------------------
>  1 file changed, 5 insertions(+), 39 deletions(-)
> 
> Index: linux-2.6/kernel/sched.c
> ===================================================================
> --- linux-2.6.orig/kernel/sched.c
> +++ linux-2.6/kernel/sched.c
> @@ -6655,9 +6655,6 @@ cpu_attach_domain(struct sched_domain *s
>  	struct rq *rq = cpu_rq(cpu);
>  	struct sched_domain *tmp;
>  
> -	for (tmp = sd; tmp; tmp = tmp->parent)
> -		tmp->span_weight = cpumask_weight(sched_domain_span(tmp));
> -
>  	/* Remove the sched domains which do not contribute to scheduling. */
>  	for (tmp = sd; tmp; ) {
>  		struct sched_domain *parent = tmp->parent;

This and ...

[ snip what was explained in change log ]

>  
>  /*
> @@ -7483,7 +7446,7 @@ static int __build_sched_domains(const s
>  {
>  	enum s_alloc alloc_state = sa_none;
>  	struct s_data d;
> -	struct sched_domain *sd;
> +	struct sched_domain *sd, *tmp;
>  	int i;
>  #ifdef CONFIG_NUMA
>  	d.sd_allnodes = 0;
> @@ -7506,6 +7469,9 @@ static int __build_sched_domains(const s
>  		sd = __build_book_sched_domain(&d, cpu_map, attr, sd, i);
>  		sd = __build_mc_sched_domain(&d, cpu_map, attr, sd, i);
>  		sd = __build_smt_sched_domain(&d, cpu_map, attr, sd, i);
> +
> +		for (tmp = sd; tmp; tmp = tmp->parent)
> +			tmp->span_weight = cpumask_weight(sched_domain_span(tmp));
>  	}
>  
>  	for_each_cpu(i, cpu_map) {
> 

this, looks like a separate change than what was explained in the change
log. Did you forget a "quilt new" between these two changes?

-- Steve


  reply	other threads:[~2011-03-14 21:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-14 15:06 [RFC][PATCH 00/14] Rewrite sched_domain/sched_group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 01/14] sched: Remove obsolete arch_ prefixes Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 02/14] sched: Simplify cpu_power initialization Peter Zijlstra
2011-03-14 21:35   ` Steven Rostedt [this message]
2011-03-14 21:46     ` Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 03/14] sched: Simplify build_sched_groups Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 04/14] sched: Change NODE sched_domain group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 05/14] sched: Clean up some ALLNODES code Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 06/14] Simplify group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 07/14] sched: Simplify finding the lowest sched_domain Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 08/14] sched: Simplify sched_groups_power initialization Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 09/14] sched: Dynamically allocate sched_domain/sched_group data-structures Peter Zijlstra
2011-03-18  9:08   ` Bharata B Rao
2011-03-18  9:37     ` Peter Zijlstra
2011-03-19  1:23   ` Venkatesh Pallipadi
2011-03-25 21:06     ` Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 10/14] sched: Simplify the free path some Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 11/14] sched: Reduce some allocation pressure Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 12/14] sched: Simplify NODE/ALLNODES domain creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 13/14] sched: Remove nodemask allocation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 14/14] sched: Remove some dead code Peter Zijlstra
2011-03-25 21:46 ` [RFC][PATCH 00/14] Rewrite sched_domain/sched_group creation Peter Zijlstra
2011-03-25 21:53   ` Peter Zijlstra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110314213559.GE20259@home.goodmis.org \
    --to=rostedt@goodmis.org \
    --cc=a.p.zijlstra@chello.nl \
    --cc=andreas.herrmann3@amd.com \
    --cc=anton@au1.ibm.com \
    --cc=benh@kernel.crashing.org \
    --cc=efault@gmx.de \
    --cc=heiko.carstens@de.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=pjt@google.com \
    --cc=suresh.b.siddha@intel.com \
    --cc=tglx@linutronix.de \
    --cc=vatsa@linux.vnet.ibm.com \
    --cc=venki@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox