Message ID | 20241119153502.41361-3-vschneid@redhat.com (mailing list archive) |
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State | New |
Headers | show
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Peter Anvin" <hpa@zytor.com>, Paolo Bonzini <pbonzini@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Andy Lutomirski <luto@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Frederic Weisbecker <frederic@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Neeraj Upadhyay <quic_neeraju@quicinc.com>, Joel Fernandes <joel@joelfernandes.org>, Josh Triplett <josh@joshtriplett.org>, Boqun Feng <boqun.feng@gmail.com>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Zqiang <qiang.zhang1211@gmail.com>, Andrew Morton <akpm@linux-foundation.org>, Uladzislau Rezki <urezki@gmail.com>, Christoph Hellwig <hch@infradead.org>, Lorenzo Stoakes <lstoakes@gmail.com>, Josh Poimboeuf <jpoimboe@kernel.org>, Jason Baron <jbaron@akamai.com>, Kees Cook <keescook@chromium.org>, Sami Tolvanen <samitolvanen@google.com>, Ard Biesheuvel <ardb@kernel.org>, Nicholas Piggin <npiggin@gmail.com>, Juerg Haefliger <juerg.haefliger@canonical.com>, Nicolas Saenz Julienne <nsaenz@kernel.org>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Nadav Amit <namit@vmware.com>, Dan Carpenter <error27@gmail.com>, Chuang Wang <nashuiliang@gmail.com>, Yang Jihong <yangjihong1@huawei.com>, Petr Mladek <pmladek@suse.com>, "Jason A. Donenfeld" <Jason@zx2c4.com>, Song Liu <song@kernel.org>, Julian Pidancet <julian.pidancet@oracle.com>, Tom Lendacky <thomas.lendacky@amd.com>, Dionna Glaze <dionnaglaze@google.com>, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>, Juri Lelli <juri.lelli@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Yair Podemsky <ypodemsk@redhat.com>, Daniel Wagner <dwagner@suse.de>, Petr Tesarik <ptesarik@suse.com> Subject: [RFC PATCH v3 02/15] objtool: Flesh out warning related to pv_ops[] calls Date: Tue, 19 Nov 2024 16:34:49 +0100 Message-ID: <20241119153502.41361-3-vschneid@redhat.com> In-Reply-To: <20241119153502.41361-1-vschneid@redhat.com> References: <20241119153502.41361-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 9EA1F14000B X-Stat-Signature: u8mf63aaed3hof1dnrupy6osy53o1uud X-Rspam-User: X-HE-Tag: 1732030568-128216 X-HE-Meta: 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 c+SWUEEd py/TnPg7x1o9ugb64b+79Ioh2daEDac9xkdpLJ3dObnotXFvv1+85voXjRaUY+cqhLYwT4AJCaYNpL7F7R/MF21puUk/b/Pw8Zppe+7djzvG0vOOhIRjXnVOaPnSZXuV4dmo3RINIvu/geN/SrKlfXgMS1+4tUl+qWpAnQw/Q3r7X+Y0pKP5nzrW/lojTNhS8HKtLAseq7HBr5SA4+OdZB46QUWgm+mz/lFS/cs5q0ZKqy19BznIw80WvcrYQ/0kK5bNO8m0ZIcD/Pm0P2mYg/bQwzjdsYPTl7wRZlDdvQK7rIQOx4b+X//3lCeuIp+FR1j3KVcjtBqrylixpizXsBey2gpmLlW/21+5GKVzbVAGd/ih5fsjsDWkxXJGFj+4aXTu+QqXS2j0rybG65Ek5lJhbuW/q9Oz3jrnOrTd/m1xrbhXYOQ+QSKw6QTqqm9JFxqmWbiIweClqaGoiYg8Ylk6qCQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
Series |
context_tracking,x86: Defer some IPIs until a user->kernel transition
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expand
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On Tue, Nov 19, 2024 at 04:34:49PM +0100, Valentin Schneider wrote: > I had to look into objtool itself to understand what this warning was > about; make it more explicit. > > Signed-off-by: Valentin Schneider <vschneid@redhat.com> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 5f1d0f95fc04b..00e25492f5065 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -3486,7 +3486,7 @@ 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; } }
I had to look into objtool itself to understand what this warning was about; make it more explicit. Signed-off-by: Valentin Schneider <vschneid@redhat.com> --- tools/objtool/check.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)