From patchwork Tue Oct 17 07:54:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 10011061 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 46925601E7 for ; Tue, 17 Oct 2017 07:57:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 353FD287C1 for ; Tue, 17 Oct 2017 07:57:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 29FC2287C5; Tue, 17 Oct 2017 07:57:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F873287C1 for ; Tue, 17 Oct 2017 07:57:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759101AbdJQH4a (ORCPT ); Tue, 17 Oct 2017 03:56:30 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:54925 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754557AbdJQH43 (ORCPT ); Tue, 17 Oct 2017 03:56:29 -0400 Received: from localhost ([127.0.0.1] helo=[127.0.1.1]) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1e4MjS-0007Hl-IC; Tue, 17 Oct 2017 09:56:10 +0200 Message-Id: <20171017075600.369375409@linutronix.de> User-Agent: quilt/0.63-1 Date: Tue, 17 Oct 2017 09:54:57 +0200 From: Thomas Gleixner To: LKML Cc: Dexuan Cui , x86@kernel.org, Bjorn Helgaas , Marc Zyngier , KY Srinivasan , Stephen Hemminger , linux-pci@vger.kernel.org, devel@linuxdriverproject.org, Josh Poulson , Haiyang Zhang , Simon Xiao , Saeed Mahameed , Mihai Costache , Jork Loeser Subject: [patch 1/3] genirq: Add config option for reservation mode References: <20171017075456.694047687@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline; filename=genirq--Add-config-option-for-reservation-mode.patch Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The interrupt reservation mode requires reactivation of PCI/MSI interrupts. Create a config option, so the PCI code can set the corresponding flag when required. Signed-off-by: Thomas Gleixner --- kernel/irq/Kconfig | 3 +++ 1 file changed, 3 insertions(+) --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -100,6 +100,9 @@ config IRQ_TIMINGS config GENERIC_IRQ_MATRIX_ALLOCATOR bool +config GENERIC_IRQ_RESERVATION_MODE + bool + config IRQ_DOMAIN_DEBUG bool "Expose hardware/virtual IRQ mapping via debugfs" depends on IRQ_DOMAIN && DEBUG_FS