linux-kernel - [PATCH] vfio/spapr_tce: Remove the unused parameters container

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Date:   Sat, 2 Jul 2022 02:46:13 -0400
From:   Deming Wang <wangdeming@...pur.com>
To:     <alex.williamson@...hat.com>
CC:     <cohuck@...hat.com>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Deming Wang <wangdeming@...pur.com>
Subject: [PATCH] vfio/spapr_tce: Remove the unused parameters container

The parameter of container has been unused for tce_iommu_unuse_page.
So, we should delete it.

Signed-off-by: Deming Wang <wangdeming@...pur.com>
---
 drivers/vfio/vfio_iommu_spapr_tce.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 708a95e61831..ea3d17a94e94 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -378,8 +378,7 @@ static void tce_iommu_release(void *iommu_data)
 	kfree(container);
 }
 
-static void tce_iommu_unuse_page(struct tce_container *container,
-		unsigned long hpa)
+static void tce_iommu_unuse_page(unsigned long hpa)
 {
 	struct page *page;
 
@@ -474,7 +473,7 @@ static int tce_iommu_clear(struct tce_container *container,
 			continue;
 		}
 
-		tce_iommu_unuse_page(container, oldhpa);
+		tce_iommu_unuse_page(oldhpa);
 	}
 
 	iommu_tce_kill(tbl, firstentry, pages);
@@ -524,7 +523,7 @@ static long tce_iommu_build(struct tce_container *container,
 		ret = iommu_tce_xchg_no_kill(container->mm, tbl, entry + i,
 				&hpa, &dirtmp);
 		if (ret) {
-			tce_iommu_unuse_page(container, hpa);
+			tce_iommu_unuse_page(hpa);
 			pr_err("iommu_tce: %s failed ioba=%lx, tce=%lx, ret=%ld\n",
 					__func__, entry << tbl->it_page_shift,
 					tce, ret);
@@ -532,7 +531,7 @@ static long tce_iommu_build(struct tce_container *container,
 		}
 
 		if (dirtmp != DMA_NONE)
-			tce_iommu_unuse_page(container, hpa);
+			tce_iommu_unuse_page(hpa);
 
 		tce += IOMMU_PAGE_SIZE(tbl);
 	}
-- 
2.27.0