[dpdk-dev] [PATCH v4 1/2] doc/rcu: correct quiescent state description

Honnappa Nagarahalli Honnappa.Nagarahalli at arm.com
Thu Feb 20 00:35:32 CET 2020



> -----Original Message-----
> From: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
> Sent: Wednesday, February 19, 2020 3:05 PM
> To: olivier.matz at 6wind.com; prateekag at cse.iitb.ac.in; ferruh.yigit at intel.com;
> thomas at monjalon.net
> Cc: dev at dpdk.org; nd <nd at arm.com>; Honnappa Nagarahalli
> <Honnappa.Nagarahalli at arm.com>; stable at dpdk.org
> Subject: [PATCH v4 1/2] doc/rcu: correct quiescent state description
> 
> The quiescent state description refers to an incorrect thread.
> 
> Fixes: 64994b56cfd7 ("rcu: add RCU library supporting QSBR mechanism")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Prateek Agarwal <prateekag at cse.iitb.ac.in>
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
Tested-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>

> ---
> V4
> 1) Seperated the commits for ring and RCU changes
> 2) Changed the commit logs
> 
>  doc/guides/prog_guide/rcu_lib.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/doc/guides/prog_guide/rcu_lib.rst
> b/doc/guides/prog_guide/rcu_lib.rst
> index 8d0dfcf29..9b0bf138f 100644
> --- a/doc/guides/prog_guide/rcu_lib.rst
> +++ b/doc/guides/prog_guide/rcu_lib.rst
> @@ -61,7 +61,7 @@ wait till thread 2 enters quiescent state as well.
> 
>  However, the writer does not need to wait for reader thread 3 to enter
> quiescent state. Reader thread 3 was not accessing D1 when the delete -
> operation happened. So, reader thread 1 will not have a reference to the
> +operation happened. So, reader thread 3 will not have a reference to
> +the
>  deleted entry.
> 
>  It can be noted that, the critical sections for D2 is a quiescent state
> --
> 2.17.1



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