linux-kernel - [RFC PATCH 06/14] objtool: Flesh out warning related to pv

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Message-Id: <20230705181256.3539027-7-vschneid@redhat.com>
Date:   Wed,  5 Jul 2023 19:12:48 +0100
From:   Valentin Schneider <vschneid@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, kvm@...r.kernel.org, linux-mm@...ck.org,
        bpf@...r.kernel.org, x86@...nel.org
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Subject: [RFC PATCH 06/14] objtool: Flesh out warning related to pv_ops[] calls

I had to look into objtool itself to understand what this warning was
about; make it more explicit.

Signed-off-by: Valentin Schneider <vschneid@...hat.com>
---
 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 0fcf99c914000..fe62232f218f9 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3404,7 +3404,7 @@ 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;
 		}
 	}
-- 
2.31.1