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Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Arnaldo Carvalho de Melo , Paolo Bonzini , Arnd Bergmann , Frederic Weisbecker , "Paul E. McKenney" , Jason Baron , Steven Rostedt , Ard Biesheuvel , Sami Tolvanen , "David S. Miller" , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Uladzislau Rezki , Mathieu Desnoyers , Mel Gorman , Andrew Morton , Masahiro Yamada , Han Shen , Rik van Riel , Jann Horn , Dan Carpenter , Oleg Nesterov , Juri Lelli , Clark Williams , Tomas Glozar , Yair Podemsky , Marcelo Tosatti , Daniel Wagner , Petr Tesarik , Shrikanth Hegde Subject: [PATCH v9 02/10] objtool: Flesh out warning related to pv_ops[] calls Date: Tue, 5 May 2026 10:23:47 +0200 Message-ID: <20260505082355.1982003-3-vschneid@redhat.com> In-Reply-To: <20260505082355.1982003-1-vschneid@redhat.com> References: <20260505082355.1982003-1-vschneid@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-MFC-PROC-ID: XnnQcfTE69YXsXne5PdxjLPSSUKjlf_I5piuR47NSLc_1777969512 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true X-Stat-Signature: 9xugnhbp3dsrhcy5ehxfwap5yzdxc4gx X-Rspamd-Queue-Id: 8FFCA1C0010 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777969521-306449 X-HE-Meta: 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 Qh1IB/6x 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: I had to look into objtool itself to understand what this warning was about; make it more explicit. Signed-off-by: Valentin Schneider Acked-by: Josh Poimboeuf --- tools/objtool/check.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index dcc386e17c70a..ba943bbbc51db 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -3480,7 +3480,7 @@ static bool pv_call_dest(struct objtool_file *file, struct instruction *insn) list_for_each_entry(target, &file->pv_ops[idx].targets, pv_target) { if (!target->sec->noinstr) { - WARN("pv_ops[%d]: %s", idx, target->name); + WARN("pv_ops[%d]: indirect call to %s() leaves .noinstr.text section", idx, target->name); file->pv_ops[idx].clean = false; } } -- 2.52.0