From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/arch/sparc/kernel/iommu-common.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/sparc/kernel/iommu-common.c b/kernel/arch/sparc/kernel/iommu-common.c
index 59cb166..23ca75f 100644
--- a/kernel/arch/sparc/kernel/iommu-common.c
+++ b/kernel/arch/sparc/kernel/iommu-common.c
@@ -166,13 +166,6 @@
}
}
- if (dev)
- boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1,
- 1 << iommu->table_shift);
- else
- boundary_size = ALIGN(1ULL << 32, 1 << iommu->table_shift);
-
- boundary_size = boundary_size >> iommu->table_shift;
/*
* if the skip_span_boundary_check had been set during init, we set
* things up so that iommu_is_span_boundary() merely checks if the
@@ -181,6 +174,9 @@
if ((iommu->flags & IOMMU_NO_SPAN_BOUND) != 0) {
shift = 0;
boundary_size = iommu->poolsize * iommu->nr_pools;
+ } else {
+ boundary_size = dma_get_seg_boundary_nr_pages(dev,
+ iommu->table_shift);
}
n = iommu_area_alloc(iommu->map, limit, start, npages, shift,
boundary_size, align_mask);
--
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