From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44104 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753977AbdEIJpg (ORCPT ); Tue, 9 May 2017 05:45:36 -0400 Subject: Patch "x86/ioapic: Restore IO-APIC irq_chip retrigger callback" has been added to the 4.4-stable tree To: rruslich@cisco.com, gregkh@linuxfoundation.org, tglx@linutronix.de Cc: , From: Date: Tue, 09 May 2017 11:44:18 +0200 Message-ID: <14943230580213@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled x86/ioapic: Restore IO-APIC irq_chip retrigger callback to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-ioapic-restore-io-apic-irq_chip-retrigger-callback.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From a9b4f08770b415f30f2fb0f8329a370c8f554aa3 Mon Sep 17 00:00:00 2001 From: Ruslan Ruslichenko Date: Tue, 17 Jan 2017 16:13:52 +0200 Subject: x86/ioapic: Restore IO-APIC irq_chip retrigger callback From: Ruslan Ruslichenko commit a9b4f08770b415f30f2fb0f8329a370c8f554aa3 upstream. commit d32932d02e18 removed the irq_retrigger callback from the IO-APIC chip and did not add it to the new IO-APIC-IR irq chip. There is no harm because the interrupts are resent in software when the retrigger callback is NULL, but it's less efficient. So restore them. [ tglx: Massaged changelog ] Fixes: d32932d02e18 ("x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces") Signed-off-by: Ruslan Ruslichenko Cc: xe-linux-external@cisco.com Link: http://lkml.kernel.org/r/1484662432-13580-1-git-send-email-rruslich@cisco.com Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/apic/io_apic.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1875,6 +1875,7 @@ static struct irq_chip ioapic_chip __rea .irq_ack = irq_chip_ack_parent, .irq_eoi = ioapic_ack_level, .irq_set_affinity = ioapic_set_affinity, + .irq_retrigger = irq_chip_retrigger_hierarchy, .flags = IRQCHIP_SKIP_SET_WAKE, }; @@ -1886,6 +1887,7 @@ static struct irq_chip ioapic_ir_chip __ .irq_ack = irq_chip_ack_parent, .irq_eoi = ioapic_ir_ack_level, .irq_set_affinity = ioapic_set_affinity, + .irq_retrigger = irq_chip_retrigger_hierarchy, .flags = IRQCHIP_SKIP_SET_WAKE, }; Patches currently in stable-queue which might be from rruslich@cisco.com are queue-4.4/x86-ioapic-restore-io-apic-irq_chip-retrigger-callback.patch