From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 15/19] iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping Date: Sat, 13 Jun 2015 08:47:23 +0200 Message-ID: <1434178047-17809-16-git-send-email-joro@8bytes.org> References: <1434178047-17809-1-git-send-email-joro@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1434178047-17809-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: Joerg Roedel , David Woodhouse , jroedel-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, zhen-hual-VXdhtT5mjnY@public.gmane.org, dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel Move it to this function for now, so that the copy routines for irq remapping take no effect yet. Signed-off-by: Joerg Roedel --- drivers/iommu/intel_irq_remapping.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 46d17e1..f1711836 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -654,6 +654,9 @@ static int __init intel_prepare_irq_remapping(void) pr_info("%s does not support EIM\n", iommu->name); eim = 0; } + + /* Disable IRQ remapping if it is already enabled */ + iommu_disable_irq_remapping(iommu); } eim_mode = eim; @@ -682,9 +685,6 @@ static int __init intel_enable_irq_remapping(void) struct intel_iommu *iommu; bool setup = false; - for_each_iommu(iommu, drhd) - iommu_disable_irq_remapping(iommu); - /* * Setup Interrupt-remapping for all the DRHD's now. */ -- 1.9.1