Message ID | 20250114175143.81438-13-vschneid@redhat.com (mailing list archive) |
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State | New |
Headers | show
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Tue, 14 Jan 2025 17:58:02 +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 9E84C19560AB; Tue, 14 Jan 2025 17:57:37 +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: 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>, Josh Poimboeuf <jpoimboe@kernel.org>, 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 12/30] arm64/paravirt: Mark pv_steal_clock static call as __ro_after_init Date: Tue, 14 Jan 2025 18:51:25 +0100 Message-ID: <20250114175143.81438-13-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-Queue-Id: 4D7B140010 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: c1wctqgmnerskdi4dafrygiyabicrsmk X-HE-Tag: 1736877490-113854 X-HE-Meta: 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 rjy+4h15 QB6OHvJOl4iP+PSN80U2PeMQB0wJdpn4xjHe8xUlqKiuti3/RhOwDUOkmWioTOGRdlWFAaMOXvAR3A3qZmIuNun/F0sovcBMXOU2bOVG8GLlWbE2Gfk65Q7y3mlKV2g4APAphl44qUwHqEixFZtGtXMm7NkVRm9ON1M35WmV9LMREF7uFFOxc4nQnM3niB63n6xqqqSE/+tY6xV1eCwixSydBfGuhPZr3J82sosLOtDTt+1buyRfTrFzT0XDtib6qmYg7hxGer8Z6IjPbkmVxYSn9LgOVnsY1jss3YbWjyx+qrZvTfyk/mUpRnpPzin8BUq4uOCgWkAe+MnatZBDN1a5k93blfQvL3BEjkCAAIig9CM8X67QsfW/UwaWmfAKK8PLdvsqT56JY53/viZB2KnIEExmuIvslaHdGSUwImDWxGzlEpW+yW4ZWs1o/CsKKibhTdAFJVQyOtxQExPuyiVndTA== 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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diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c index aa718d6a9274a..ad28fa23c9228 100644 --- a/arch/arm64/kernel/paravirt.c +++ b/arch/arm64/kernel/paravirt.c @@ -32,7 +32,7 @@ static u64 native_steal_clock(int cpu) return 0; } -DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock); +DEFINE_STATIC_CALL_RO(pv_steal_clock, native_steal_clock); struct pv_time_stolen_time_region { struct pvclock_vcpu_stolen_time __rcu *kaddr;
The static call is only ever updated in __init pv_time_init() __init xen_time_setup_guest() so mark it appropriately as __ro_after_init. Signed-off-by: Valentin Schneider <vschneid@redhat.com> --- arch/arm64/kernel/paravirt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)