lkml.org 
[lkml]   [2007]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH 0/6] using lockdep to validate rcu usage

* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> This patch set uses lockdep to validate rcu usage.
>
> It annotates rcu_read_{,un}lock{,_bh}() to catch imbalances. And
> further uses that information to establish a proper context for
> rcu_dereference().
>
> It also separates implicit from explicit preempt_disable() usage, in
> order to separate rcu_dereference() from the locking model.
>
> A kernel (2.6.23-rc4-mm1) with these patches boots but does have some
> funnies - I suspect it calls printf from places it doesn't like.
>
> The first patch should be safe to apply, the rest is RFC.

great work! The patches look good to me.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-19 15:47    [W:0.112 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site