From: Feng Wu <feng.wu@intel.com>
Date: Tue, 9 Jun 2015 05:20:37 +0000 (+0800)
Subject: iommu, x86: Properly handle posted interrupts for IOMMU hotplug
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~170^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1d993341e46867af9412cf7f93f535895bbe3a7;p=pandora-kernel.git

iommu, x86: Properly handle posted interrupts for IOMMU hotplug

Return error when inserting a new IOMMU which doesn't support posted
interrupts if posted interrupts are already enabled.

Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Joerg Roedel <joro@8bytes.org>
Cc: jiang.liu@linux.intel.com
Cc: iommu@lists.linux-foundation.org
Cc: dwmw2@infradead.org
Link: http://lkml.kernel.org/r/1433827237-3382-11-git-send-email-feng.wu@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

Reading git-diff-tree failed