From patchwork Mon Feb 22 19:12:00 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Chiang X-Patchwork-Id: 81268 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o1MJDYaP031179 for ; Mon, 22 Feb 2010 19:13:35 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752975Ab0BVTME (ORCPT ); Mon, 22 Feb 2010 14:12:04 -0500 Received: from g4t0015.houston.hp.com ([15.201.24.18]:36190 "EHLO g4t0015.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754147Ab0BVTMB (ORCPT ); Mon, 22 Feb 2010 14:12:01 -0500 Received: from g4t0009.houston.hp.com (g4t0009.houston.hp.com [16.234.32.26]) by g4t0015.houston.hp.com (Postfix) with ESMTP id 9B6EE80B7; Mon, 22 Feb 2010 19:12:00 +0000 (UTC) Received: from ldl (ldl.fc.hp.com [15.11.146.30]) by g4t0009.houston.hp.com (Postfix) with ESMTP id 8A27FC052; Mon, 22 Feb 2010 19:12:00 +0000 (UTC) Received: from localhost (ldl.fc.hp.com [127.0.0.1]) by ldl (Postfix) with ESMTP id 76E41CF0047; Mon, 22 Feb 2010 12:12:00 -0700 (MST) Received: from ldl ([127.0.0.1]) by localhost (ldl.fc.hp.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0KZjB0mr7+FQ; Mon, 22 Feb 2010 12:12:00 -0700 (MST) Received: from eh.fc.hp.com (eh.fc.hp.com [15.11.146.105]) by ldl (Postfix) with ESMTP id 63082CF0040; Mon, 22 Feb 2010 12:12:00 -0700 (MST) Received: from bob.kio (localhost [127.0.0.1]) by eh.fc.hp.com (Postfix) with ESMTP id 48E86261D1; Mon, 22 Feb 2010 12:12:00 -0700 (MST) Subject: [PATCH v2 11/12] ACPI: processor: push file static MADT pointer into internal map_madt_entry() To: lenb@kernel.org From: Alex Chiang Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Venkatesh Pallipadi Date: Mon, 22 Feb 2010 12:12:00 -0700 Message-ID: <20100222191200.19752.90558.stgit@bob.kio> In-Reply-To: <20100222190145.19752.20978.stgit@bob.kio> References: <20100222190145.19752.20978.stgit@bob.kio> User-Agent: StGit/0.15 MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 22 Feb 2010 19:13:35 +0000 (UTC) diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index ee9bce1..791ac7b 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -43,8 +43,6 @@ static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = { }; #ifdef CONFIG_SMP -static struct acpi_table_madt *madt; - static int map_lapic_id(struct acpi_subtable_header *entry, u32 acpi_id, int *apic_id) { @@ -100,8 +98,17 @@ static int map_lsapic_id(struct acpi_subtable_header *entry, static int map_madt_entry(int type, u32 acpi_id) { unsigned long madt_end, entry; + static struct acpi_table_madt *madt; + static int read_madt; int apic_id = -1; + if (!read_madt) { + if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0, + (struct acpi_table_header **)&madt))) + madt = NULL; + read_madt++; + } + if (!madt) return apic_id; @@ -335,13 +342,6 @@ early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv) void __init acpi_early_processor_set_pdc(void) { - -#ifdef CONFIG_SMP - if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0, - (struct acpi_table_header **)&madt))) - madt = NULL; -#endif - /* * Check whether the system is DMI table. If yes, OSPM * should not use mwait for CPU-states.