linux-kernel - [PATCH v2 03/11] iommu/vt-d: Remove iova_cache

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Date:   Mon, 14 Feb 2022 10:56:56 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>, Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Liu Yi L <yi.l.liu@...el.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>
Cc:     Robin Murphy <robin.murphy@....com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@....de>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH v2 03/11] iommu/vt-d: Remove iova_cache_get/put()

These have been done in drivers/iommu/dma-iommu.c. Remove this duplicate
code.

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
Reviewed-by: Christoph Hellwig <hch@....de>
---
 drivers/iommu/intel/iommu.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index b3075933864e..7c2b427bea3b 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3381,9 +3381,6 @@ static inline int iommu_devinfo_cache_init(void)
 static int __init iommu_init_mempool(void)
 {
 	int ret;
-	ret = iova_cache_get();
-	if (ret)
-		return ret;
 
 	ret = iommu_domain_cache_init();
 	if (ret)
@@ -3395,7 +3392,6 @@ static int __init iommu_init_mempool(void)
 
 	kmem_cache_destroy(iommu_domain_cache);
 domain_error:
-	iova_cache_put();
 
 	return -ENOMEM;
 }
@@ -3404,7 +3400,6 @@ static void __init iommu_exit_mempool(void)
 {
 	kmem_cache_destroy(iommu_devinfo_cache);
 	kmem_cache_destroy(iommu_domain_cache);
-	iova_cache_put();
 }
 
 static void __init init_no_remapping_devices(void)
-- 
2.25.1