Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 4/8] asm-generic: make the set_fs implementation optional | Date | Mon, 7 Sep 2020 07:58:21 +0200 |
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Put all the set_fs related code under CONFIG_SET_FS so that asm-generic/uaccess.h can be used for set_fs-less builds.
Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/asm-generic/uaccess.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index b367f339be1a90..45f9872fd74759 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -94,6 +94,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) #define INLINE_COPY_TO_USER #endif /* CONFIG_UACCESS_MEMCPY */ +#ifdef CONFIG_SET_FS #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) #ifndef KERNEL_DS @@ -116,6 +117,7 @@ static inline void set_fs(mm_segment_t fs) #ifndef uaccess_kernel #define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) #endif +#endif /* CONFIG_SET_FS */ #define access_ok(addr, size) __access_ok((unsigned long)(addr),(size)) -- 2.28.0
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