Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752827AbaKGN2W (ORCPT ); Fri, 7 Nov 2014 08:28:22 -0500 Received: from mail-wi0-f181.google.com ([209.85.212.181]:36176 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752764AbaKGN2R (ORCPT ); Fri, 7 Nov 2014 08:28:17 -0500 From: Tomasz Nowicki To: catalin.marinas@arm.com, will.deacon@arm.com, bhelgaas@google.com, Liviu.Dudau@arm.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, rjw@rjwysocki.net Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, x86@kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linaro-acpi@lists.linaro.org, Tomasz Nowicki Subject: [RFC PATCH 2/4] x86, acpi, pci: Isolate new PCI mmconfig entry insertion. Date: Fri, 7 Nov 2014 14:27:54 +0100 Message-Id: <1415366876-30811-3-git-send-email-tomasz.nowicki@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415366876-30811-1-git-send-email-tomasz.nowicki@linaro.org> References: <1415366876-30811-1-git-send-email-tomasz.nowicki@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add special pci_mmcfg_insert_lock mutex since pci_mmcfg_lock was moved to common file. No functional changes. Signed-off-by: Tomasz Nowicki --- arch/x86/pci/mmconfig-shared.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 94c3d38..d1e45e7 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -28,6 +28,7 @@ /* Indicate if the mmcfg resources have been placed into the resource table. */ static bool pci_mmcfg_running_state; static bool pci_mmcfg_arch_init_failed; +static DEFINE_MUTEX(pci_mmcfg_insert_lock); static const char *__init pci_mmcfg_e7520(void) { @@ -566,7 +567,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, if (start > end) return -EINVAL; - mutex_lock(&pci_mmcfg_lock); + mutex_lock(&pci_mmcfg_insert_lock); cfg = pci_mmconfig_lookup(seg, start); if (cfg) { if (cfg->end_bus < end) @@ -575,12 +576,12 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, "domain %04x [bus %02x-%02x] " "only partially covers this bridge\n", cfg->segment, cfg->start_bus, cfg->end_bus); - mutex_unlock(&pci_mmcfg_lock); + mutex_unlock(&pci_mmcfg_insert_lock); return -EEXIST; } if (!addr) { - mutex_unlock(&pci_mmcfg_lock); + mutex_unlock(&pci_mmcfg_insert_lock); return -EINVAL; } @@ -621,7 +622,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, kfree(cfg); } - mutex_unlock(&pci_mmcfg_lock); + mutex_unlock(&pci_mmcfg_insert_lock); return rc; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/