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author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-20 16:51:34 +0100 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-06 08:08:07 +0200 |
commit | b0bb945c14e81b3b33075d59469d5bf5b736a4fb (patch) | |
tree | 14256f244053d4b8516e7c29ffae65a1a7e42a66 /arch/mips/include/asm/uaccess.h | |
parent | mips: consolidate __invoke_... wrappers (diff) | |
download | linux-b0bb945c14e81b3b33075d59469d5bf5b736a4fb.tar.xz linux-b0bb945c14e81b3b33075d59469d5bf5b736a4fb.zip |
mips: clean and reorder the forest of macros...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mips/include/asm/uaccess.h')
-rw-r--r-- | arch/mips/include/asm/uaccess.h | 120 |
1 files changed, 49 insertions, 71 deletions
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 0cd0accdd0fa..9c05262a85f3 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -838,14 +838,60 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n); __cu_len_r; \ }) +#define __invoke_copy_from_kernel(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + +#define __invoke_copy_from_kernel_inatomic(to, from, n) \ + __invoke_copy_from(__copy_user_inatomic, to, from, n) + +#define __invoke_copy_to_kernel(to, from, n) \ + __invoke_copy_to(__copy_user, to, from, n) + +#define ___invoke_copy_in_kernel(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + #ifndef CONFIG_EVA +#define __invoke_copy_from_user(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + +#define __invoke_copy_from_user_inatomic(to, from, n) \ + __invoke_copy_from(__copy_user_inatomic, to, from, n) + #define __invoke_copy_to_user(to, from, n) \ __invoke_copy_to(__copy_user, to, from, n) -#define __invoke_copy_to_kernel(to, from, n) \ - __invoke_copy_to(__copy_user, to, from, n) +#define ___invoke_copy_in_user(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) -#endif +#else + +/* EVA specific functions */ + +extern size_t __copy_user_inatomic_eva(void *__to, const void *__from, + size_t __n); +extern size_t __copy_from_user_eva(void *__to, const void *__from, + size_t __n); +extern size_t __copy_to_user_eva(void *__to, const void *__from, + size_t __n); +extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n); + +/* + * Source or destination address is in userland. We need to go through + * the TLB + */ +#define __invoke_copy_from_user(to, from, n) \ + __invoke_copy_from(__copy_from_user_eva, to, from, n) + +#define __invoke_copy_from_user_inatomic(to, from, n) \ + __invoke_copy_from(__copy_user_inatomic_eva, to, from, n) + +#define __invoke_copy_to_user(to, from, n) \ + __invoke_copy_to(__copy_to_user_eva, to, from, n) + +#define ___invoke_copy_in_user(to, from, n) \ + __invoke_copy_from(__copy_in_user_eva, to, from, n) + +#endif /* CONFIG_EVA */ /* * __copy_to_user: - Copy a block of data into user space, with less checking. @@ -971,74 +1017,6 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); __cu_len; \ }) -#ifndef CONFIG_EVA - -#define __invoke_copy_from_user(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -#define __invoke_copy_from_kernel(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -/* For userland <-> userland operations */ -#define ___invoke_copy_in_user(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -/* For kernel <-> kernel operations */ -#define ___invoke_copy_in_kernel(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -#define __invoke_copy_from_user_inatomic(to, from, n) \ - __invoke_copy_from(__copy_user_inatomic, to, from, n) - -#define __invoke_copy_from_kernel_inatomic(to, from, n) \ - __invoke_copy_from(__copy_user_inatomic, to, from, n) - -#else - -/* EVA specific functions */ - -extern size_t __copy_user_inatomic_eva(void *__to, const void *__from, - size_t __n); -extern size_t __copy_from_user_eva(void *__to, const void *__from, - size_t __n); -extern size_t __copy_to_user_eva(void *__to, const void *__from, - size_t __n); -extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n); - -/* - * Source or destination address is in userland. We need to go through - * the TLB - */ -#define __invoke_copy_from_user(to, from, n) \ - __invoke_copy_from(__copy_from_user_eva, to, from, n) - -#define __invoke_copy_from_user_inatomic(to, from, n) \ - __invoke_copy_from(__copy_user_inatomic_eva, to, from, n) - -#define __invoke_copy_to_user(to, from, n) \ - __invoke_copy_to(__copy_to_user_eva, to, from, n) - -#define ___invoke_copy_in_user(to, from, n) \ - __invoke_copy_from(__copy_in_user_eva, to, from, n) - -/* - * Source or destination address in the kernel. We are not going through - * the TLB - */ -#define __invoke_copy_from_kernel(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -#define __invoke_copy_from_kernel_inatomic(to, from, n) \ - __invoke_copy_from(__copy_user_inatomic, to, from, n) - -#define __invoke_copy_to_kernel(to, from, n) \ - __invoke_copy_to(__copy_user, to, from, n) - -#define ___invoke_copy_in_kernel(to, from, n) \ - __invoke_copy_from(__copy_user, to, from, n) - -#endif /* CONFIG_EVA */ - /* * __copy_from_user: - Copy a block of data from user space, with less checking. * @to: Destination address, in kernel space. |