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/alpha/include/asm/uaccess.h | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/alpha/include/asm/uaccess.h b/kernel/arch/alpha/include/asm/uaccess.h
index 7295967..1b6f25e 100644
--- a/kernel/arch/alpha/include/asm/uaccess.h
+++ b/kernel/arch/alpha/include/asm/uaccess.h
@@ -18,10 +18,9 @@
#define USER_DS ((mm_segment_t) { -0x40000000000UL })
#define get_fs() (current_thread_info()->addr_limit)
-#define get_ds() (KERNEL_DS)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
-#define segment_eq(a, b) ((a).seg == (b).seg)
+#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
/*
* Is a address valid? This does a straightforward calculation rather
@@ -38,7 +37,7 @@
unsigned long __ao_end = __ao_a + __ao_b - !!__ao_b; \
(get_fs().seg & (__ao_a | __ao_b | __ao_end)) == 0; })
-#define access_ok(type, addr, size) \
+#define access_ok(addr, size) \
({ \
__chk_user_ptr(addr); \
__access_ok(((unsigned long)(addr)), (size)); \
--
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