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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/x86/include/asm/uaccess_32.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/uaccess_32.h')
-rw-r--r--arch/x86/include/asm/uaccess_32.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
new file mode 100644
index 0000000000..40379a1adb
--- /dev/null
+++ b/arch/x86/include/asm/uaccess_32.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_UACCESS_32_H
+#define _ASM_X86_UACCESS_32_H
+
+/*
+ * User space memory access functions
+ */
+#include <linux/string.h>
+#include <asm/asm.h>
+#include <asm/page.h>
+
+unsigned long __must_check __copy_user_ll
+ (void *to, const void *from, unsigned long n);
+unsigned long __must_check __copy_from_user_ll_nocache_nozero
+ (void *to, const void __user *from, unsigned long n);
+
+static __always_inline unsigned long __must_check
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+ return __copy_user_ll((__force void *)to, from, n);
+}
+
+static __always_inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ return __copy_user_ll(to, (__force const void *)from, n);
+}
+
+static __always_inline unsigned long
+__copy_from_user_inatomic_nocache(void *to, const void __user *from,
+ unsigned long n)
+{
+ return __copy_from_user_ll_nocache_nozero(to, from, n);
+}
+
+unsigned long __must_check clear_user(void __user *mem, unsigned long len);
+unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
+
+#endif /* _ASM_X86_UACCESS_32_H */