Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932884Ab2FHIBT (ORCPT ); Fri, 8 Jun 2012 04:01:19 -0400 Received: from mga09.intel.com ([134.134.136.24]:62602 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932503Ab2FHIBQ (ORCPT ); Fri, 8 Jun 2012 04:01:16 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="149938417" From: Xudong Hao To: bhelgaas@google.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, avi@redhat.com, alex.williamson@redhat.com, ddutile@redhat.com, myron.stowe@redhat.com, xiantao.zhang@intel.com, xudong.hao@intel.com Subject: [PATCH 0/4] PCI: Enable LTR/OBFF before device is used by driver Date: Fri, 8 Jun 2012 16:01:28 +0800 Message-Id: <1339142492-13625-1-git-send-email-xudong.hao@intel.com> X-Mailer: git-send-email 1.5.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 791 Lines: 19 The series of patches enable LTR and OBFF before device is used by driver, and introduce a couple of functions to save/restore LTR latency value. Patch 1/4 introduce new function pci_obff_supported() as pci_ltr_support(). Patch 2/4 enable LTR(Latency tolerance reporting) before device is used by driver. Patch 3/4 enable OBFF(optimized buffer flush/fill) before device is used by driver. Patch 4/4 introduce a couple of functions pci_save_ltr_value() and pci_restore_ltr_value() to save and restore LTR latency value, while device is reset. -- 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/