linux-kernel - RE: [PATCH 01/13] rcu/kvfree: Add kvfree_rcu_mightsleep() and kfree_rcu

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Date:   Thu, 2 Feb 2023 07:54:31 +0000
From:   "Zhuo, Qiuxu" <qiuxu.zhuo@...el.com>
To:     "Uladzislau Rezki (Sony)" <urezki@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        "Paul E . McKenney" <paulmck@...nel.org>
CC:     Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>,
        Jens Axboe <axboe@...nel.dk>,
        Philipp Reisner <philipp.reisner@...bit.com>,
        Bryan Tan <bryantan@...are.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Bob Pearson <rpearsonhpe@...il.com>,
        Ariel Levkovich <lariel@...dia.com>,
        Theodore Ts'o <tytso@....edu>, Julian Anastasov <ja@....bg>
Subject: RE: [PATCH 01/13] rcu/kvfree: Add kvfree_rcu_mightsleep() and
 kfree_rcu_mightsleep()

> From: Uladzislau Rezki (Sony) <urezki@...il.com>
> Sent: Wednesday, February 1, 2023 11:08 PM
> To: LKML <linux-kernel@...r.kernel.org>; RCU <rcu@...r.kernel.org>; Paul E .
> McKenney <paulmck@...nel.org>
> Cc: Uladzislau Rezki <urezki@...il.com>; Oleksiy Avramchenko
> <oleksiy.avramchenko@...y.com>; Jens Axboe <axboe@...nel.dk>; Philipp
> Reisner <philipp.reisner@...bit.com>; Bryan Tan <bryantan@...are.com>;
> Steven Rostedt <rostedt@...dmis.org>; Eric Dumazet
> <edumazet@...gle.com>; Bob Pearson <rpearsonhpe@...il.com>; Ariel
> Levkovich <lariel@...dia.com>; Theodore Ts'o <tytso@....edu>; Julian
> Anastasov <ja@....bg>
> Subject: [PATCH 01/13] rcu/kvfree: Add kvfree_rcu_mightsleep() and
> kfree_rcu_mightsleep()
> 
> These two macroses will replace single-argument k[v]free_rcu() ones.
> By adding an extra _mightsleep prefix we can avoid of situations when someone

s/prefix/suffix

> intended to give a second argument but forgot to do it in a code where sleeping
> is illegal.
> 
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@...il.com>
> ...