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/alpha/kernel/core_lca.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/arch/alpha/kernel/core_lca.c b/kernel/arch/alpha/kernel/core_lca.c
index 81c0c43..57e0750 100644
--- a/kernel/arch/alpha/kernel/core_lca.c
+++ b/kernel/arch/alpha/kernel/core_lca.c
@@ -275,7 +275,8 @@
 	 * Note that we do not try to save any of the DMA window CSRs
 	 * before setting them, since we cannot read those CSRs on LCA.
 	 */
-	hose->sg_isa = iommu_arena_new(hose, 0x00800000, 0x00800000, 0);
+	hose->sg_isa = iommu_arena_new(hose, 0x00800000, 0x00800000,
+				       SMP_CACHE_BYTES);
 	hose->sg_pci = NULL;
 	__direct_map_base = 0x40000000;
 	__direct_map_size = 0x40000000;

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