From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49632 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757278AbcJZJZT (ORCPT ); Wed, 26 Oct 2016 05:25:19 -0400 Subject: Patch "irqchip/gicv3: Handle loop timeout proper" has been added to the 4.8-stable tree To: dan.carpenter@oracle.com, gregkh@linuxfoundation.org, jason@lakedaemon.net, marc.zyngier@arm.com, sudeep.holla@arm.com, tglx@linutronix.de Cc: , From: Date: Wed, 26 Oct 2016 11:25:12 +0200 Message-ID: <1477473912177@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 irqchip/gicv3: Handle loop timeout proper to the 4.8-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: irqchip-gicv3-handle-loop-timeout-proper.patch and it can be found in the queue-4.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From d102eb5c1ac5e6743b1c6d145c06a25d98ad1375 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 14 Oct 2016 10:26:21 +0300 Subject: irqchip/gicv3: Handle loop timeout proper From: Dan Carpenter commit d102eb5c1ac5e6743b1c6d145c06a25d98ad1375 upstream. The timeout loop terminates when the loop count is zero, but the decrement of the count variable is post check. So count is -1 when we check for the timeout and therefor the error message is supressed. Change it to predecrement, so the error message is emitted. [ tglx: Massaged changelog ] Fixes: a2c225101234 ("irqchip: gic-v3: Refactor gic_enable_redist to support both enabling and disabling") Signed-off-by: Dan Carpenter Acked-by: Sudeep Holla Cc: Marc Zyngier Cc: kernel-janitors@vger.kernel.org Cc: Jason Cooper Link: http://lkml.kernel.org/r/20161014072534.GA15168@mwanda Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-gic-v3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -153,7 +153,7 @@ static void gic_enable_redist(bool enabl return; /* No PM support in this redistributor */ } - while (count--) { + while (--count) { val = readl_relaxed(rbase + GICR_WAKER); if (enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep)) break; Patches currently in stable-queue which might be from dan.carpenter@oracle.com are queue-4.8/scsi-zfcp-spin_lock_irqsave-is-not-nestable.patch queue-4.8/irqchip-gicv3-handle-loop-timeout-proper.patch