linux-kernel - Re: [PATCH 00/10] rcu: Cleanup RCU tree initialization

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Message-ID: <20150309214021.GD5236@linux.vnet.ibm.com>
Date:	Mon, 9 Mar 2015 14:40:21 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Alexander Gordeev <agordeev@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/10] rcu: Cleanup RCU tree initialization

On Mon, Mar 09, 2015 at 09:34:04AM +0100, Alexander Gordeev wrote:
> Hi Paul,
> 
> Here is cleanup of RCU tree initialization rebased on linux-rcu rcu/next
> repo, as you requested. Please, note an extra patch #10 that was not
> present in the first post.
> 
> The series successfully passes kernel build test with CONFIG_RCU_FANOUT
> and CONFIG_RCU_FANOUT_LEAF equal to 5.

I queued up 1-9, as discussed and have started testing.  I will let you
know how it goes.

							Thanx, Paul

> Cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> 
> Alexander Gordeev (10):
>   rcu: Panic if RCU tree can not accommodate all CPUs
>   rcu: Remove superfluous local variable in rcu_init_geometry()
>   rcu: Cleanup rcu_init_geometry() code and arithmetics
>   rcu: Simplify rcu_init_geometry() capacity arithmetics
>   rcu: Limit rcu_state::levelcnt[] to RCU_NUM_LVLS items
>   rcu: Limit rcu_capacity[] size to RCU_NUM_LVLS items
>   rcu: Remove unnecessary fields from rcu_state structure
>   rcu: Limit count of static data to the number of RCU levels
>   rcu: Simplify arithmetic to calculate number of RCU nodes
>   rcu: Remove unnecessary grpnum field from rcu_node structure
> 
>  kernel/rcu/tree.c        | 102 ++++++++++++++++++++---------------------------
>  kernel/rcu/tree.h        |  35 ++++++++--------
>  kernel/rcu/tree_plugin.h |   4 +-
>  3 files changed, 63 insertions(+), 78 deletions(-)
> 
> -- 
> 1.8.3.1
> 

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