linux-kernel - [v10 03/10] iommu: dmar: Provide helper to copy shared irte fields

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Date:	Tue,  9 Jun 2015 13:20:30 +0800
From:	Feng Wu <feng.wu@...el.com>
To:	joro@...tes.org, dwmw2@...radead.org, tglx@...utronix.de
Cc:	jiang.liu@...ux.intel.com, iommu@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [v10 03/10] iommu: dmar: Provide helper to copy shared irte fields

From: Thomas Gleixner <tglx@...utronix.de>

Instead of open coding, provide a helper function to copy the shared
irte fields.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/dmar.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 0dbcabc..e9bc929 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -249,6 +249,18 @@ struct irte {
 	};
 };
 
+static inline void dmar_copy_shared_irte(struct irte *dst, struct irte *src)
+{
+	dst->present	= src->present;
+	dst->fpd	= src->fpd;
+	dst->avail	= src->avail;
+	dst->pst	= src->pst;
+	dst->vector	= src->vector;
+	dst->sid	= src->sid;
+	dst->sq		= src->sq;
+	dst->svt	= src->svt;
+}
+
 #define PDA_LOW_BIT    26
 #define PDA_HIGH_BIT   32
 
-- 
2.1.0

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