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Date:   Tue, 20 Jul 2021 23:48:47 +0200
From:   Pavel Machek <pavel@denx.de>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        David Wysochanski <dwysocha@redhat.com>,
        Chuck Lever <chuck.lever@oracle.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        "J. Bruce Fields" <bfields@redhat.com>,
        Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH 5.10 147/243] NFSD: Fix TP_printk() format specifier in
 nfsd_clid_class
Message-ID: <20210720214847.GB704@amd>
References: <20210719144940.904087935@linuxfoundation.org>
 <20210719144945.657682587@linuxfoundation.org>
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Hi!

> [ Upstream commit a948b1142cae66785521a389cab2cce74069b547 ]
>=20
> Since commit 9a6944fee68e ("tracing: Add a verifier to check string
> pointers for trace events"), which was merged in v5.13-rc1,
> TP_printk() no longer tacitly supports the "%.*s" format specifier.
>=20
> These are low value tracepoints, so just remove them.

So I understand we want this for mainline, but AFAICT 5.10 does not
have 9a6944fee68e ("tracing: Add a verifier to check string pointers
for trace events") commit, so this does not fix any bug and removal of
tracepoints can be surprising.

Best regards,
								Pavel
							=09
--=20
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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