Message ID | 20250114175143.81438-10-vschneid@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06606E77188 for <linux-mm@archiver.kernel.org>; Tue, 14 Jan 2025 17:56:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 75009280008; Tue, 14 Jan 2025 12:56:56 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6D7E5280001; Tue, 14 Jan 2025 12:56:56 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 503A1280008; Tue, 14 Jan 2025 12:56:56 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 2F285280001 for <linux-mm@kvack.org>; Tue, 14 Jan 2025 12:56:56 -0500 (EST) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id DCD9BAF7EE for <linux-mm@kvack.org>; Tue, 14 Jan 2025 17:56:55 +0000 (UTC) X-FDA: 83006813190.05.151B189 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf06.hostedemail.com (Postfix) with ESMTP id B9EA018000C for <linux-mm@kvack.org>; Tue, 14 Jan 2025 17:56:53 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=iAqJgvqS; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf06.hostedemail.com: domain of vschneid@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=vschneid@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1736877414; a=rsa-sha256; cv=none; b=eNrjmgepCaNpgbGmRoFuOWoTVulqJjujHmebB0NeAKXpuBZLNdBf9OPQyodawSsuFlA037 EjqnOHpa7nsNlggQHtLj7yF0izOMi7S1n+giiBAaicVOQ9VQpzf2fWgvC+f1k4u+aJY8OD /kok2LLI92EMZmDyCMpwZZ69HuE6cmM= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=iAqJgvqS; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf06.hostedemail.com: domain of vschneid@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=vschneid@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1736877413; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=a7Wvwh2A2o47NLG/+LsYYIZxdlkCdbCUHu9ph/pgaME=; b=62cAorsoKTF2gaeVDKXBf+LyP5s1Pye4rth/GNeg0fn2jLMu+Ao11Nf5eAiFUwFtReGKpT HZuMOW9gp7ifO7IyceVs4VnV5osYkeIh47O0IsQP55bFwjDGWKNEynO7oDSU8QODfh5OKb s+ygGLatd5X4SXUwCK/3A67gbNlLdqM= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1736877413; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=a7Wvwh2A2o47NLG/+LsYYIZxdlkCdbCUHu9ph/pgaME=; b=iAqJgvqSyj3pWzMYYILkQQZaQXrSYtuhFJqnD0s2J43l+HoQlq4kKHP7OBLUHZ1cJGLBKy 7c704gBlj0xJ6pHdj+9+h3r+g3YaKlNNUIym4AOcfLd+7APSgjzFncqtGuh5w1WrhOgR/p o885UOOMuktmpPLguRRTeSGVxbxYZi4= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-83-lu3mCN1QPVqlwCLkY5ofog-1; Tue, 14 Jan 2025 12:56:48 -0500 X-MC-Unique: lu3mCN1QPVqlwCLkY5ofog-1 X-Mimecast-MFC-AGG-ID: lu3mCN1QPVqlwCLkY5ofog Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 03C901955DCC; Tue, 14 Jan 2025 17:56:45 +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 1AEB019560B7; Tue, 14 Jan 2025 17:56:18 +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 09/30] x86/paravirt: Mark pv_steal_clock static call as __ro_after_init Date: Tue, 14 Jan 2025 18:51:22 +0100 Message-ID: <20250114175143.81438-10-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-Stat-Signature: cp8b4obteii7x3r63xjdmh5jbp7r94xh X-Rspam-User: X-Rspamd-Queue-Id: B9EA018000C X-Rspamd-Server: rspam08 X-HE-Tag: 1736877413-131136 X-HE-Meta: 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 97QXXsY1 Qsa5v4uYd7qm5neOG7phVK7EWZFy8Ve8bA3cSC7LbpUs08sI6BGW547M7+vb4HiyT6nQ7PGQnq+80HpR/D3bynTEk3FMnPKBLENHEB/eDIfwgkqgUORRwHvB1LJ1xtmqqb3FBlTNHi9eg5rezgUdGUg8vVNhUnQVpzbOpKia/VUG9W3RzDNQOwfYhaBGeKHJg0HN3E9z7KrOsiMNrQ57TxsjQ7NmVtNaVtJ+sUuS4Gl/xKjZl6bcqYtt8ajwL+E1ix+U6Hy3/B/6qpdLO81dAatgiSJEECxurN9lz90lJEJHjpXbSZYkUlc+Z+wnaSRDo+ybCZFN0l/I/SI5pMZnR4SKYCOv+lG854krvspLc2sCfkZ2kFazXRkye763fftqqf83oXy1xpWZHBi59kMEZDCY4UfNO0c9RcR1IjG4MzYtGAOJ9NLgZ2rcduP/fUGVqCEWTB73gtxCKPTM0/ZnA6eTisg== 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
|
expand
|
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index ae6675167877b..a19b0002b18d8 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -72,7 +72,7 @@ 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); DEFINE_STATIC_CALL_RO(pv_sched_clock, native_sched_clock); void paravirt_set_sched_clock(u64 (*func)(void))
The static call is only ever updated in __init pv_time_init() __init xen_init_time_common() __init vmware_paravirt_ops_setup() __init xen_time_setup_guest( so mark it appropriately as __ro_after_init. Signed-off-by: Valentin Schneider <vschneid@redhat.com> --- arch/x86/kernel/paravirt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)