From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/arch/riscv/mm/cacheflush.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/riscv/mm/cacheflush.c b/kernel/arch/riscv/mm/cacheflush.c
index 89f8106..2ae1201 100644
--- a/kernel/arch/riscv/mm/cacheflush.c
+++ b/kernel/arch/riscv/mm/cacheflush.c
@@ -85,7 +85,9 @@
{
struct page *page = pte_page(pte);
- if (!test_and_set_bit(PG_dcache_clean, &page->flags))
+ if (!test_bit(PG_dcache_clean, &page->flags)) {
flush_icache_all();
+ set_bit(PG_dcache_clean, &page->flags);
+ }
}
#endif /* CONFIG_MMU */
--
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