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Message-ID: <a28a2b4d-18f3-418a-ab9d-46d42616a118@paulmck-laptop>
Date: Wed, 26 Jul 2023 14:12:35 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: "Joel Fernandes (Google)" <joel@...lfernandes.org>
Cc: linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...onical.com>,
Joe Perches <joe@...ches.com>,
Dwaipayan Ray <dwaipayanray1@...il.com>,
Lukas Bulwahn <lukas.bulwahn@...il.com>, rcu@...r.kernel.org
Subject: Re: [PATCH 5/5] Revert "checkpatch: Error out if deprecated RCU API
used"
On Tue, Jul 25, 2023 at 11:29:10PM +0000, Joel Fernandes (Google) wrote:
> The check for single-argument kfree_rcu() is no longer needed as all
> users have been converted.
>
> This reverts commit 1eacac3255495be7502d406e2ba5444fb5c3607c.
>
> Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
Good eyes, thank you!
I applied this with an updated commit log as shown below. Please let
me know if I messed something up.
Thanx, Paul
------------------------------------------------------------------------
commit 1f5f0053f7662385d9ead46d4c0d2d4fe9aaa73a
Author: Joel Fernandes (Google) <joel@...lfernandes.org>
Date: Tue Jul 25 23:29:10 2023 +0000
Revert "checkpatch: Error out if deprecated RCU API used"
The definition for single-argument kfree_rcu() has been removed,
so that any further attempt to use it will result in a build error.
Because of this build error, there is no longer any need for a special
check in checkpatch.pl.
Therefore, revert commit 1eacac3255495be7502d406e2ba5444fb5c3607c.
Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a9841148cde2..528f619520eb 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6422,15 +6422,6 @@ sub process {
}
}
-# check for soon-to-be-deprecated single-argument k[v]free_rcu() API
- if ($line =~ /\bk[v]?free_rcu\s*\([^(]+\)/) {
- if ($line =~ /\bk[v]?free_rcu\s*\([^,]+\)/) {
- ERROR("DEPRECATED_API",
- "Single-argument k[v]free_rcu() API is deprecated, please pass rcu_head object or call k[v]free_rcu_mightsleep()." . $herecurr);
- }
- }
-
-
# check for unnecessary "Out of Memory" messages
if ($line =~ /^\+.*\b$logFunctions\s*\(/ &&
$prevline =~ /^[ \+]\s*if\s*\(\s*(\!\s*|NULL\s*==\s*)?($Lval)(\s*==\s*NULL\s*)?\s*\)/ &&
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