From 5e6039d8a307d8411422c154f3d446b44fa32b6d Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 27 Dec 2016 18:00:15 -0500 Subject: uaccess: move VERIFY_{READ,WRITE} definitions to linux/uaccess.h Signed-off-by: Al Viro --- arch/avr32/include/asm/uaccess.h | 3 --- 1 file changed, 3 deletions(-) (limited to 'arch/avr32/include/asm/uaccess.h') diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index b1ec1fa06463..1c7f234385fc 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -11,9 +11,6 @@ #include #include -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - typedef struct { unsigned int is_user_space; } mm_segment_t; -- cgit v1.2.3 From af1d5b37d6211c814fac0d5d0b71ec695618054a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 27 Dec 2016 18:14:09 -0500 Subject: uaccess: drop duplicate includes from asm/uaccess.h Signed-off-by: Al Viro --- arch/alpha/include/asm/uaccess.h | 4 ---- arch/arc/include/asm/uaccess.h | 2 -- arch/arm/include/asm/uaccess.h | 2 -- arch/arm64/include/asm/uaccess.h | 2 -- arch/avr32/include/asm/uaccess.h | 3 --- arch/blackfin/include/asm/uaccess.h | 1 - arch/cris/include/asm/uaccess.h | 2 -- arch/frv/include/asm/uaccess.h | 1 - arch/hexagon/include/asm/uaccess.h | 1 - arch/ia64/include/asm/uaccess.h | 2 -- arch/m32r/include/asm/uaccess.h | 2 -- arch/m68k/include/asm/uaccess_mm.h | 2 -- arch/m68k/include/asm/uaccess_no.h | 1 - arch/metag/include/asm/uaccess.h | 1 - arch/microblaze/include/asm/uaccess.h | 2 -- arch/mips/include/asm/uaccess.h | 2 -- arch/mn10300/include/asm/uaccess.h | 2 -- arch/nios2/include/asm/uaccess.h | 2 -- arch/openrisc/include/asm/uaccess.h | 2 -- arch/parisc/include/asm/uaccess.h | 2 -- arch/powerpc/include/asm/uaccess.h | 2 -- arch/s390/include/asm/uaccess.h | 2 -- arch/score/include/asm/uaccess.h | 2 -- arch/sh/include/asm/uaccess.h | 2 -- arch/sparc/include/asm/uaccess_32.h | 2 -- arch/sparc/include/asm/uaccess_64.h | 2 -- arch/tile/include/asm/uaccess.h | 1 - arch/um/include/asm/uaccess.h | 1 - arch/unicore32/include/asm/uaccess.h | 3 --- arch/x86/include/asm/uaccess.h | 2 -- arch/x86/include/asm/uaccess_32.h | 2 -- arch/x86/include/asm/uaccess_64.h | 1 - arch/xtensa/include/asm/uaccess.h | 3 --- include/asm-generic/uaccess.h | 1 - include/linux/uaccess.h | 1 + 35 files changed, 1 insertion(+), 64 deletions(-) (limited to 'arch/avr32/include/asm/uaccess.h') diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index a37267a5d399..77c55ce89936 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -1,10 +1,6 @@ #ifndef __ALPHA_UACCESS_H #define __ALPHA_UACCESS_H -#include -#include - - /* * The fs value determines whether argument validity checking should be * performed or not. If get_fs() == USER_DS, checking is performed, with diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h index 41faf17cd28d..0431f5668354 100644 --- a/arch/arc/include/asm/uaccess.h +++ b/arch/arc/include/asm/uaccess.h @@ -24,8 +24,6 @@ #ifndef _ASM_ARC_UACCESS_H #define _ASM_ARC_UACCESS_H -#include -#include #include /* for generic string functions */ diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index a13f39b3e9f8..9677a7cf7987 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -12,8 +12,6 @@ * User space memory access functions */ #include -#include -#include #include #include #include diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index f5e1e090b4d2..7c514e10a08e 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -28,11 +28,9 @@ #include #include #include -#include #include #include -#include #include #include diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 1c7f234385fc..7ca5cb33369b 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -8,9 +8,6 @@ #ifndef __ASM_AVR32_UACCESS_H #define __ASM_AVR32_UACCESS_H -#include -#include - typedef struct { unsigned int is_user_space; } mm_segment_t; diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index d9a91108964f..c9fedc3be30c 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -12,7 +12,6 @@ /* * User space memory access functions */ -#include #include #include diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h index 82bfcb5e2c9b..bb3004a2b2f7 100644 --- a/arch/cris/include/asm/uaccess.h +++ b/arch/cris/include/asm/uaccess.h @@ -16,8 +16,6 @@ #define _CRIS_UACCESS_H #ifndef __ASSEMBLY__ -#include -#include #include #include diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 9e01bd798a03..55b3a69c6c53 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -15,7 +15,6 @@ /* * User space memory access functions */ -#include #include #include #include diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h index 21f63593e2b6..3a7f818e5ef7 100644 --- a/arch/hexagon/include/asm/uaccess.h +++ b/arch/hexagon/include/asm/uaccess.h @@ -23,7 +23,6 @@ /* * User space memory access functions */ -#include #include #include #include diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h index c60ff6cc8dbd..d471d1a1afd0 100644 --- a/arch/ia64/include/asm/uaccess.h +++ b/arch/ia64/include/asm/uaccess.h @@ -33,8 +33,6 @@ */ #include -#include -#include #include #include diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h index 7d993a837e39..96b0efdb5f22 100644 --- a/arch/m32r/include/asm/uaccess.h +++ b/arch/m32r/include/asm/uaccess.h @@ -11,8 +11,6 @@ /* * User space memory access functions */ -#include -#include #include #include diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h index fa84e9c6e8f4..fb72b710759e 100644 --- a/arch/m68k/include/asm/uaccess_mm.h +++ b/arch/m68k/include/asm/uaccess_mm.h @@ -5,9 +5,7 @@ * User space memory access functions */ #include -#include #include -#include #include /* We let the MMU do all checking */ diff --git a/arch/m68k/include/asm/uaccess_no.h b/arch/m68k/include/asm/uaccess_no.h index fab489a25b95..e77ce66c14d5 100644 --- a/arch/m68k/include/asm/uaccess_no.h +++ b/arch/m68k/include/asm/uaccess_no.h @@ -4,7 +4,6 @@ /* * User space memory access functions */ -#include #include #include diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 46c1f6c54103..7fc5277ae71f 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -4,7 +4,6 @@ /* * User space memory access functions */ -#include /* * The fs value determines whether argument validity checking should be diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 70cf5f3dfae3..a3c0a06d7848 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -15,8 +15,6 @@ #ifndef __ASSEMBLY__ #include -#include -#include /* RLIMIT_FSIZE */ #include #include diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index a058c04b8dd4..dd25b312c973 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -12,8 +12,6 @@ #define _ASM_UACCESS_H #include -#include -#include #include #include #include diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 3e16850c4ccd..2da7b0fed4aa 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -14,10 +14,8 @@ /* * User space memory access functions */ -#include #include #include -#include /* * The fs value determines whether argument validity checking should be diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h index 07fc68c3e23c..198bbf15f644 100644 --- a/arch/nios2/include/asm/uaccess.h +++ b/arch/nios2/include/asm/uaccess.h @@ -13,8 +13,6 @@ #ifndef _ASM_NIOS2_UACCESS_H #define _ASM_NIOS2_UACCESS_H -#include -#include #include #include diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 6f88cf8bd112..0b0f60444b76 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -22,8 +22,6 @@ /* * User space memory access functions */ -#include -#include #include #include #include diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index 598b52e5aa03..a0b461336b6a 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -6,12 +6,10 @@ */ #include #include -#include #include #include #include -#include #define KERNEL_DS ((mm_segment_t){0}) #define USER_DS ((mm_segment_t){1}) diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 81307633c33f..2ec70aa1cc5d 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -4,8 +4,6 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ -#include -#include #include #include #include diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 0e1f515d239b..9e9a5e8d6cf6 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -12,8 +12,6 @@ /* * User space memory access functions */ -#include -#include #include #include diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h index 51914244e867..7a6c6982420a 100644 --- a/arch/score/include/asm/uaccess.h +++ b/arch/score/include/asm/uaccess.h @@ -2,8 +2,6 @@ #define __SCORE_UACCESS_H #include -#include -#include #include #define get_ds() (KERNEL_DS) diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index 6b66d67c21d2..89a28dfbabfa 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -1,8 +1,6 @@ #ifndef __ASM_SH_UACCESS_H #define __ASM_SH_UACCESS_H -#include -#include #include #define __addr_ok(addr) \ diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index d8857f5fafad..b10f7d626f0e 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -9,9 +9,7 @@ #ifdef __KERNEL__ #include -#include #include -#include #endif #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 619223dc9022..d76362cad80f 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -6,10 +6,8 @@ */ #ifdef __KERNEL__ -#include #include #include -#include #include #include #include diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h index 730073326b46..14ea3d1ca2c7 100644 --- a/arch/tile/include/asm/uaccess.h +++ b/arch/tile/include/asm/uaccess.h @@ -18,7 +18,6 @@ /* * User space memory access functions */ -#include #include #include #include diff --git a/arch/um/include/asm/uaccess.h b/arch/um/include/asm/uaccess.h index 3705620ca298..076bdcb0c2ad 100644 --- a/arch/um/include/asm/uaccess.h +++ b/arch/um/include/asm/uaccess.h @@ -7,7 +7,6 @@ #ifndef __UM_UACCESS_H #define __UM_UACCESS_H -#include #include #define __under_task_size(addr, size) \ diff --git a/arch/unicore32/include/asm/uaccess.h b/arch/unicore32/include/asm/uaccess.h index 897e11ad8124..1622f37a0514 100644 --- a/arch/unicore32/include/asm/uaccess.h +++ b/arch/unicore32/include/asm/uaccess.h @@ -12,9 +12,6 @@ #ifndef __UNICORE_UACCESS_H__ #define __UNICORE_UACCESS_H__ -#include -#include - #include #define __copy_from_user __copy_from_user diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 8dffb8b1d328..0522d88a7f90 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -3,10 +3,8 @@ /* * User space memory access functions */ -#include #include #include -#include #include #include #include diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h index 7d3bdd1ed697..5268ecceea96 100644 --- a/arch/x86/include/asm/uaccess_32.h +++ b/arch/x86/include/asm/uaccess_32.h @@ -4,8 +4,6 @@ /* * User space memory access functions */ -#include -#include #include #include #include diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 673059a109fe..8ddadd93639e 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -5,7 +5,6 @@ * User space memory access functions */ #include -#include #include #include #include diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index dd6b13649aad..bd8861c811ef 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -16,12 +16,9 @@ #ifndef _XTENSA_UACCESS_H #define _XTENSA_UACCESS_H -#include #include #include -#include - /* * The fs value determines whether argument validity checking should * be performed or not. If get_fs() == USER_DS, checking is diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index d7c17bfd4601..d20955e495b3 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -6,7 +6,6 @@ * on any machine that has kernel and user data in the same * address space, e.g. all NOMMU machines. */ -#include #include #include diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index b660f37beaf5..b786ca2419b4 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -2,6 +2,7 @@ #define __LINUX_UACCESS_H__ #include +#include #define VERIFY_READ 0 #define VERIFY_WRITE 1 -- cgit v1.2.3 From 5cbe865b0e03982c7886f36716fc149415ee8381 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 25 Dec 2016 03:33:03 -0500 Subject: avr32: switch to generic extable.h Signed-off-by: Al Viro --- arch/avr32/include/asm/Kbuild | 1 + arch/avr32/include/asm/uaccess.h | 5 +---- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'arch/avr32/include/asm/uaccess.h') diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 3d7ef2c17a7c..ff7d7393b25c 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += device.h generic-y += div64.h generic-y += emergency-restart.h generic-y += exec.h +generic-y += extable.h generic-y += futex.h generic-y += irq_regs.h generic-y += irq_work.h diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 7ca5cb33369b..5f3ce85c1ed7 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -323,9 +323,6 @@ extern long __strnlen_user(const char __user *__s, long __n); #define strlen_user(s) strnlen_user(s, ~0UL >> 1) -struct exception_table_entry -{ - unsigned long insn, fixup; -}; +#include #endif /* __ASM_AVR32_UACCESS_H */ -- cgit v1.2.3 From e5c1540030a0e2da0c46b3da91ed3ceafd0e4368 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 28 Mar 2017 16:03:51 -0400 Subject: avr32: switch to RAW_COPY_USER This one needs profiling; use of asm variant of access_ok() might have been performance-critical. Now copy_{to,from}_user() are using the C variant. I doubt that it's going to have visible effects, but that needs to be experimentally verified. Signed-off-by: Al Viro --- arch/avr32/Kconfig | 1 + arch/avr32/include/asm/uaccess.h | 28 ++++++---------------------- arch/avr32/kernel/avr32_ksyms.c | 2 -- arch/avr32/lib/copy_user.S | 15 --------------- 4 files changed, 7 insertions(+), 39 deletions(-) (limited to 'arch/avr32/include/asm/uaccess.h') diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index 7e75d45e20cd..8c349f2a9ebb 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -19,6 +19,7 @@ config AVR32 select HAVE_MOD_ARCH_SPECIFIC select MODULES_USE_ELF_RELA select HAVE_NMI + select ARCH_HAS_RAW_COPY_USER help AVR32 is a high-performance 32-bit RISC microprocessor core, designed for cost-sensitive embedded applications, with particular diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 5f3ce85c1ed7..619d50e843a5 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -66,34 +66,18 @@ static inline void set_fs(mm_segment_t s) extern __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); -extern __kernel_size_t copy_to_user(void __user *to, const void *from, - __kernel_size_t n); -extern __kernel_size_t ___copy_from_user(void *to, const void __user *from, - __kernel_size_t n); - -static inline __kernel_size_t __copy_to_user(void __user *to, const void *from, - __kernel_size_t n) +static inline unsigned long +raw_copy_to_user(void __user *to, const void *from, unsigned long n) { return __copy_user((void __force *)to, from, n); } -static inline __kernel_size_t __copy_from_user(void *to, - const void __user *from, - __kernel_size_t n) +static inline unsigned long +raw_copy_from_user(void *to, const void __user *from, unsigned long n) { return __copy_user(to, (const void __force *)from, n); } -static inline __kernel_size_t copy_from_user(void *to, - const void __user *from, - __kernel_size_t n) -{ - size_t res = ___copy_from_user(to, from, n); - if (unlikely(res)) - memset(to + (n - res), 0, res); - return res; -} - -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER /* * put_user: - Write a simple value into user space. diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c index 0d05fd095468..0cdae8eb0220 100644 --- a/arch/avr32/kernel/avr32_ksyms.c +++ b/arch/avr32/kernel/avr32_ksyms.c @@ -36,8 +36,6 @@ EXPORT_SYMBOL(copy_page); /* * Userspace access stuff. */ -EXPORT_SYMBOL(___copy_from_user); -EXPORT_SYMBOL(copy_to_user); EXPORT_SYMBOL(__copy_user); EXPORT_SYMBOL(strncpy_from_user); EXPORT_SYMBOL(__strncpy_from_user); diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S index 075373471da1..f43275796a0c 100644 --- a/arch/avr32/lib/copy_user.S +++ b/arch/avr32/lib/copy_user.S @@ -23,21 +23,6 @@ */ .text .align 1 - .global ___copy_from_user - .type ___copy_from_user, @function -___copy_from_user: - branch_if_kernel r8, __copy_user - ret_if_privileged r8, r11, r10, r10 - rjmp __copy_user - .size ___copy_from_user, . - ___copy_from_user - - .global copy_to_user - .type copy_to_user, @function -copy_to_user: - branch_if_kernel r8, __copy_user - ret_if_privileged r8, r12, r10, r10 - .size copy_to_user, . - copy_to_user - .global __copy_user .type __copy_user, @function __copy_user: -- cgit v1.2.3