From e7a40d268ec2afab7e0596667cabd2ae53fec8d8 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 4 Feb 2008 16:47:57 +0100 Subject: x86: use _ASM_EXTABLE macro in arch/x86/lib/mmx_32.c Use the _ASM_EXTABLE macro from , instead of open-coding __ex_table entires in arch/x86/lib/mmx_32.c. Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/lib/mmx_32.c | 31 +++++++------------------------ 1 file changed, 7 insertions(+), 24 deletions(-) (limited to 'arch/x86/lib') diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c index 28084d2e8dd4..cc9b4a4450f3 100644 --- a/arch/x86/lib/mmx_32.c +++ b/arch/x86/lib/mmx_32.c @@ -4,6 +4,7 @@ #include #include +#include #include @@ -50,10 +51,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); @@ -81,10 +79,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; @@ -181,10 +176,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); for(i=0; i<(4096-320)/64; i++) @@ -211,10 +203,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; @@ -311,10 +300,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from) ); for(i=0; i<4096/64; i++) @@ -341,10 +327,7 @@ static void fast_copy_page(void *to, void *from) "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" + _ASM_EXTABLE(1b,3b) : : "r" (from), "r" (to) : "memory"); from+=64; to+=64; -- cgit v1.2.2 From 287774414568010855642518513f085491644061 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 4 Feb 2008 16:47:57 +0100 Subject: x86: use _ASM_EXTABLE macro in arch/x86/lib/usercopy_32.c Use the _ASM_EXTABLE macro from , instead of open-coding __ex_table entires in arch/x86/lib/usercopy_32.c. Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/lib/usercopy_32.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'arch/x86/lib') diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 9c4ffd5bedb2..e849b9998b0e 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -48,10 +48,7 @@ do { \ "3: movl %5,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ @@ -132,11 +129,8 @@ do { \ "3: lea 0(%2,%0,4),%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,2b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ + _ASM_EXTABLE(1b,2b) \ : "=&c"(size), "=&D" (__d0) \ : "r"(size & 3), "0"(size / 4), "1"(addr), "a"(0)); \ } while (0) -- cgit v1.2.2 From 8da804f2b23913ef362c6a578bf482e5ccc93d1a Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 4 Feb 2008 16:47:57 +0100 Subject: x86: use _ASM_EXTABLE macro in arch/x86/lib/usercopy_64.c Use the _ASM_EXTABLE macro from , instead of open-coding __ex_table entires in arch/x86/lib/usercopy_64.c. Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/lib/usercopy_64.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'arch/x86/lib') diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 893d43f838cc..0c89d1bb0287 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -31,10 +31,7 @@ do { \ "3: movq %5,%0\n" \ " jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 0b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(0b,3b) \ : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ @@ -87,11 +84,8 @@ unsigned long __clear_user(void __user *addr, unsigned long size) "3: lea 0(%[size1],%[size8],8),%[size8]\n" " jmp 2b\n" ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 0b,3b\n" - " .quad 1b,2b\n" - ".previous" + _ASM_EXTABLE(0b,3b) + _ASM_EXTABLE(1b,2b) : [size8] "=c"(size), [dst] "=&D" (__d0) : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), [zero] "r" (0UL), [eight] "r" (8UL)); -- cgit v1.2.2