From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC61E14F9F3; Wed, 20 Nov 2024 16:30:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732120240; cv=none; b=GPbLQscRgE8KkWAWXtLM+ClZYm5ECailiBZTst0XrNJNgmMtnxsfZ1M/0lKFI+h8KGHND/OYuydM7OeXBiYVpz9XnJn0aGp/8/wWzF/QdO2pgXZoFq1JLQeqVAa+P1C3qifergu94a9yEgJAtiGOtINyqA8cupp4pU/Hvd92Mw8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732120240; c=relaxed/simple; bh=T7PybO749Z0HQXamO36BFc8tXpmMHexp/EK155PI1C0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rsgQTdRWjJ0VMQFGZO8f+C1efEBuXSOELoDMMlWfkXuUStLiuI7pNoDnx9Op3CVKbmTAmZh3ZTPNoztrjmc6el8oFuJKBMnQHXKe8njlEAQbIbTm2QYzYKXiXhXVM6T8WWybFRJCHDFaTN6i60vkUvjTzwyAWajU38E2UmsjikA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JCgbt368; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JCgbt368" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76272C4CECE; Wed, 20 Nov 2024 16:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732120239; bh=T7PybO749Z0HQXamO36BFc8tXpmMHexp/EK155PI1C0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JCgbt368A+f7AB4+yktg1PO02DIPBZA+pusid2yTBd6Fva+Nc2+AUCjgMkIS6jzX4 mPb5Q7vOPr/xH0OEjIKmoUSI29sjmThgSI9Khp/gPE8f78TEx+YbYghLdwN52Cx4bN MFcX1MdHrasoC6LZGnWlwmJNTfJuCAyvnKCeNnjUR5KjcEOI8yjANQTHZt5Vko2kkC q+KMOdfedC1xD89D6hAyRswGTLetGnOhhFj/fRpcjcwk8AkmvdkblOMnPXTcUMlYzU oenzE6AFJwoiTXM/3Rr5xf5IJrpnzbSlZhxWVy8Ex/e/9VIcbHpBgadniAwXptweTX bZxDLXAvnXPPg== From: Borislav Petkov To: linux-doc@vger.kernel.org Cc: X86 ML , LKML , "Borislav Petkov (AMD)" Subject: [PATCH 2/2] x86/apic: Remove "disablelapic" cmdline option Date: Wed, 20 Nov 2024 17:30:33 +0100 Message-ID: <20241120163033.12829-2-bp@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241120163033.12829-1-bp@kernel.org> References: <20241120163033.12829-1-bp@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Borislav Petkov (AMD)" The convention is "no" and there already is "nolapic". Drop the disable one. Signed-off-by: Borislav Petkov (AMD) --- arch/x86/kernel/apic/apic.c | 9 +-------- arch/x86/kernel/cpu/topology.c | 2 +- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index c5fb28e6451a..1267b2691abc 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2582,19 +2582,12 @@ int apic_is_clustered_box(void) /* * APIC command line parameters */ -static int __init setup_disableapic(char *arg) +static int __init setup_nolapic(char *arg) { apic_is_disabled = true; setup_clear_cpu_cap(X86_FEATURE_APIC); return 0; } -early_param("disableapic", setup_disableapic); - -/* same as disableapic, for compatibility */ -static int __init setup_nolapic(char *arg) -{ - return setup_disableapic(arg); -} early_param("nolapic", setup_nolapic); static int __init parse_lapic_timer_c2_ok(char *arg) diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c index 621a151ccf7d..6ebed852a9ef 100644 --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -428,7 +428,7 @@ void __init topology_apply_cmdline_limits_early(void) { unsigned int possible = nr_cpu_ids; - /* 'maxcpus=0' 'nosmp' 'nolapic' 'disableapic' 'noapic' */ + /* 'maxcpus=0' 'nosmp' 'nolapic' 'noapic' */ if (!setup_max_cpus || ioapic_is_disabled || apic_is_disabled) possible = 1; -- 2.43.0