Message ID | 20250114175143.81438-3-vschneid@redhat.com (mailing list archive) |
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State | New |
Headers | show
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Tue, 14 Jan 2025 17:53:42 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.39.192.55]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BE4B5195608A; Tue, 14 Jan 2025 17:53:14 +0000 (UTC) From: Valentin Schneider <vschneid@redhat.com> To: linux-kernel@vger.kernel.org, x86@kernel.org, virtualization@lists.linux.dev, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, linux-perf-users@vger.kernel.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, linux-arch@vger.kernel.org, rcu@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com Cc: Josh Poimboeuf <jpoimboe@kernel.org>, Juergen Gross <jgross@suse.com>, Ajay Kaher <ajay.kaher@broadcom.com>, Alexey Makhalov <alexey.amakhalov@broadcom.com>, Russell King <linux@armlinux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Huacai Chen <chenhuacai@kernel.org>, WANG Xuerui <kernel@xen0n.name>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, 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>, Peter Zijlstra <peterz@infradead.org>, Arnaldo Carvalho de Melo <acme@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, "Liang, Kan" <kan.liang@linux.intel.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Pawan Gupta <pawan.kumar.gupta@linux.intel.com>, Sean Christopherson <seanjc@google.com>, Paolo Bonzini <pbonzini@redhat.com>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Frederic Weisbecker <frederic@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Jason Baron <jbaron@akamai.com>, Steven Rostedt <rostedt@goodmis.org>, Ard Biesheuvel <ardb@kernel.org>, Neeraj Upadhyay <neeraj.upadhyay@kernel.org>, Joel Fernandes <joel@joelfernandes.org>, Josh Triplett <josh@joshtriplett.org>, Boqun Feng <boqun.feng@gmail.com>, Uladzislau Rezki <urezki@gmail.com>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Zqiang <qiang.zhang1211@gmail.com>, Juri Lelli <juri.lelli@redhat.com>, Clark Williams <williams@redhat.com>, Yair Podemsky <ypodemsk@redhat.com>, Tomas Glozar <tglozar@redhat.com>, Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Kees Cook <kees@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Christoph Hellwig <hch@infradead.org>, Shuah Khan <shuah@kernel.org>, Sami Tolvanen <samitolvanen@google.com>, Miguel Ojeda <ojeda@kernel.org>, Alice Ryhl <aliceryhl@google.com>, "Mike Rapoport (Microsoft)" <rppt@kernel.org>, Samuel Holland <samuel.holland@sifive.com>, Rong Xu <xur@google.com>, Nicolas Saenz Julienne <nsaenzju@redhat.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Yosry Ahmed <yosryahmed@google.com>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, "Masami Hiramatsu (Google)" <mhiramat@kernel.org>, Jinghao Jia <jinghao7@illinois.edu>, Luis Chamberlain <mcgrof@kernel.org>, Randy Dunlap <rdunlap@infradead.org>, Tiezhu Yang <yangtiezhu@loongson.cn> Subject: [PATCH v4 02/30] objtool: Flesh out warning related to pv_ops[] calls Date: Tue, 14 Jan 2025 18:51:15 +0100 Message-ID: <20250114175143.81438-3-vschneid@redhat.com> In-Reply-To: <20250114175143.81438-1-vschneid@redhat.com> References: <20250114175143.81438-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: A25B2180009 X-Stat-Signature: pnerm3k3dcphy4gyutdwnn5fo7f1t7fa X-Rspam-User: X-HE-Tag: 1736877231-159100 X-HE-Meta: U2FsdGVkX1/icmGwiqnAEM/CCo4rYHTiZ7jwgxTJ9eVVYA/Ns5tmQA8qwRfMoDPNzuZx1vM/drFVKYznx2fHoKJfZyJMGfO+CvwoBKdEMmUiDQTH1o4/KqNJKh9DC2AFBawVIvmCr8dJXZ3S6cepooZfKsAEPfd9XNTVsdWbEX2OZsQTYdtj1aCSmhq7712wjGByRSvQkG554uJbdDYvxMPjLcyekdxKn1twPYs8js/62hdGX9Q/5vquIs0Xi1GeHmEeBFChG2cAlReGBX+icbVieM3kcmhyXet/6RjNIaLZFT+wyOgRYYRY5H8Y4oR0UCeDH79Kcb19IL5ZjNLI2PuVXgOF9f2APuWvnY6LqXpI7684A/SJM12iF8tIiZ70DKahn2MWCFFAqreUgRJZiKo0NlNXGqSt4ZjLaYNalFeB6FZxL/dAtVhjHAFXeevB+qjc7oYthdlSYxORWw9kPW7TayyEDJpmm3LrS95iyEFUhPhLokCaqUgKfZ8zyLIosQycKH7U5AHxG5cYDGJEh0d7Vztd7EPk/jolLFTGPf4bF10V8ulqozRoaEb2gMnrjT3H6YPQmW9aWefORoEoSWDecL5mc3xVnn+xO22pwvYXYW6VVLJMebjr77nFlW4PrRg3PVgvGR67bUuamMp5O6mSLjBLzcLF2XGnfEJjgbk1LMKbQxr3OhOpppp23eu0uKxmSMGDUC4/Z8pb+H7q3n6HzxLIrW5WnXsPvuBw79sTJEufLr5NL8R4pmquXwtyEnXOgMqCRJ+ca0HZelLQsMQWefG50Z9I3nq+hhKUBxw0bGCMSa+paj+zz/VM8LhhjR7aZQnzvZvtcphFq9yMf237Z9qP/1HWSHZvYk6w1FPVNZdxrqvolYehiCOlpW1EipvcfrutIvSqF0cR9ph8jkraqvDSEpn8EHG979yZzpjO9nmyOVmFOTWj+lgYywMi7n2yxISQCQv+e3Zyweq mch1fGoK kJZoQaJ+AOMNQaukWtrBcxsItmjU/dgo4e8IP9ILkTprYZUOGL7m9sDwMbJvi/Vr1IjWI8pSAqqkw0Xol/wIO/j6/PGOAAgDQiCR/E+zRMUkfthPTg4N5xdaV8NwmHdB1OJZ0vckbZ8v5NtmFG1DRcwLQRj7Fxp6mZpvxaC3XS138SVNED4qgWvPEbjlAwFgWT0U1ISp11gi9oXTwg4dfoLCz2KyHMS4POtS6ovUyflv2UFix3y14XhIGbU5tLXHB5/cc0uKDBnFQgmrMNB/BfJvfnvp9JRIQm8spNhpQZGu9KZ6ks+84czQL8BhY66tOSBVZ0Wc1HYJcT+MKqhijLcCTgBYwz7ffZBr9TFZ8jdEVTZW4gL/zbuflTZrxpQBpHf+/Uj1yTp0sP/cQ7SbhdqR5vdrBbsFO+K9VfVECMkIU8COlwFrMqDxO/JzyY5vvV6vGFVdIvzInAH4sdwkCLQ7o3hx5psXoyJy9Y8HxfhrTUMI= 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> |
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context_tracking,x86: Defer some IPIs until a user->kernel transition
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expand
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diff --git a/tools/objtool/check.c b/tools/objtool/check.c index b35763f05a548..6aa9259fc9940 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; } }