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Date: Mon, 15 Oct 2018 10:36:33 -0700
From: "Paul E. McKenney" <paulmck@...ux.ibm.com>
To: "Joel Fernandes (Google)" <joel@...lfernandes.org>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] doc: rcu: Fix code listing in performance and
scalability requirements
On Sun, Oct 14, 2018 at 07:29:42PM -0700, Joel Fernandes (Google) wrote:
> The code listing under this section has a quick quiz that says line 19
> uses rcu_access_pointer, but the code listing itself does not. Fix this.
>
> Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
Good eyes! Queued for the merge window after this coming one,
thank you!
Thanx, Paul
> ---
> .../RCU/Design/Requirements/Requirements.html | 2 +-
> kernel/sys.c | 16 ++++++++++++++++
> 2 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/RCU/Design/Requirements/Requirements.html b/Documentation/RCU/Design/Requirements/Requirements.html
> index 4fae55056c1d..f74a2233865c 100644
> --- a/Documentation/RCU/Design/Requirements/Requirements.html
> +++ b/Documentation/RCU/Design/Requirements/Requirements.html
> @@ -1596,7 +1596,7 @@ used in place of <tt>synchronize_rcu()</tt> as follows:
> 16 struct foo *p;
> 17
> 18 spin_lock(&gp_lock);
> -19 p = rcu_dereference(gp);
> +19 p = rcu_access_pointer(gp);
> 20 if (!p) {
> 21 spin_unlock(&gp_lock);
> 22 return false;
> --
> 2.19.0.605.g01d371f741-goog
>
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