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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/x86/include/asm/uaccess_32.h | |
parent | Initial commit. (diff) | |
download | linux-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.h | 39 |
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 */ |