From: Valentin Schneider <vschneid@redhat.com>
To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, kvm@vger.kernel.org,
linux-mm@kvack.org, bpf@vger.kernel.org, x86@kernel.org
Cc: "Steven Rostedt" <rostedt@goodmis.org>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"H. 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>,
"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>,
"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>,
"Thomas Weißschuh" <linux@weissschuh.net>,
"Juri Lelli" <juri.lelli@redhat.com>,
"Daniel Bristot de Oliveira" <bristot@redhat.com>,
"Marcelo Tosatti" <mtosatti@redhat.com>,
"Yair Podemsky" <ypodemsk@redhat.com>
Subject: [RFC PATCH 06/14] objtool: Flesh out warning related to pv_ops[] calls
Date: Wed, 5 Jul 2023 19:12:48 +0100 [thread overview]
Message-ID: <20230705181256.3539027-7-vschneid@redhat.com> (raw)
In-Reply-To: <20230705181256.3539027-1-vschneid@redhat.com>
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(-)
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
next prev parent reply other threads:[~2023-07-05 18:16 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-05 18:12 [RFC PATCH 00/14] context_tracking,x86: Defer some IPIs until a user->kernel transition Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 01/14] tracing/filters: Dynamically allocate filter_pred.regex Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 02/14] tracing/filters: Enable filtering a cpumask field by another cpumask Valentin Schneider
2023-07-05 18:54 ` Steven Rostedt
2023-07-05 18:12 ` [RFC PATCH 03/14] tracing/filters: Enable filtering a scalar field by a cpumask Valentin Schneider
2023-07-05 19:00 ` Steven Rostedt
2023-07-05 18:12 ` [RFC PATCH 04/14] tracing/filters: Enable filtering the CPU common " Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 05/14] tracing/filters: Document cpumask filtering Valentin Schneider
2023-07-05 18:12 ` Valentin Schneider [this message]
2023-07-05 18:12 ` [RFC PATCH 07/14] objtool: Warn about non __ro_after_init static key usage in .noinstr Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 08/14] BROKEN: context_tracking: Make context_tracking_key __ro_after_init Valentin Schneider
2023-07-05 20:41 ` Peter Zijlstra
2023-07-05 18:12 ` [RFC PATCH 09/14] x86/kvm: Make kvm_async_pf_enabled __ro_after_init Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 10/14] x86/sev-es: Make sev_es_enable_key __ro_after_init Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 11/14] context-tracking: Introduce work deferral infrastructure Valentin Schneider
2023-07-05 22:23 ` Frederic Weisbecker
2023-07-05 22:41 ` Peter Zijlstra
2023-07-06 9:53 ` Frederic Weisbecker
2023-07-06 10:01 ` Frederic Weisbecker
2023-07-06 11:30 ` Valentin Schneider
2023-07-06 11:40 ` Frederic Weisbecker
2023-07-06 16:39 ` Paul E. McKenney
2023-07-06 18:05 ` Valentin Schneider
2023-07-06 11:55 ` Frederic Weisbecker
2023-07-05 22:39 ` Peter Zijlstra
2023-07-06 11:31 ` Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 12/14] context_tracking,x86: Defer kernel text patching IPIs Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 13/14] context_tracking,x86: Add infrastructure to defer kernel TLBI Valentin Schneider
2023-07-05 18:12 ` [RFC PATCH 14/14] x86/mm, mm/vmalloc: Defer flush_tlb_kernel_range() targeting NOHZ_FULL CPUs Valentin Schneider
2023-07-05 18:48 ` [RFC PATCH 00/14] context_tracking,x86: Defer some IPIs until a user->kernel transition Nadav Amit
2023-07-06 11:29 ` Valentin Schneider
2023-07-05 19:03 ` Steven Rostedt
2023-07-06 11:30 ` Valentin Schneider
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