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authorLinus Torvalds <torvalds@linux-foundation.org>2008-02-04 12:16:03 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-04 12:16:03 -0500
commitd2fc0bacd5c438cb459fdf531eff00ab18422a00 (patch)
treed0ea52e4d2ad2fac12e19eaf6891c6af98353cfc /arch/x86/lib
parent93890b71a34f9490673a6edd56b61c2124215e46 (diff)
parent795d45b22c079946332bf3825afefe5a981a97b6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (78 commits) x86: fix RTC lockdep warning: potential hardirq recursion x86: cpa, micro-optimization x86: cpa, clean up code flow x86: cpa, eliminate CPA_ enum x86: cpa, cleanups x86: implement gbpages support in change_page_attr() x86: support gbpages in pagetable dump x86: add gbpages support to lookup_address x86: add pgtable accessor functions for gbpages x86: add PUD_PAGE_SIZE x86: add feature macros for the gbpages cpuid bit x86: switch direct mapping setup over to set_pte x86: fix page-present check in cpa_flush_range x86: remove cpa warning x86: remove now unused clear_kernel_mapping x86: switch pci-gart over to using set_memory_np() instead of clear_kernel_mapping() x86: cpa selftest, skip non present entries x86: CPA fix pagetable split x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZE x86: cpa, fix lookup_address ...
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/mmx_32.c31
-rw-r--r--arch/x86/lib/usercopy_32.c12
-rw-r--r--arch/x86/lib/usercopy_64.c12
3 files changed, 13 insertions, 42 deletions
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 @@
4#include <linux/hardirq.h> 4#include <linux/hardirq.h>
5#include <linux/module.h> 5#include <linux/module.h>
6 6
7#include <asm/asm.h>
7#include <asm/i387.h> 8#include <asm/i387.h>
8 9
9 10
@@ -50,10 +51,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
50 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ 51 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
51 " jmp 2b\n" 52 " jmp 2b\n"
52 ".previous\n" 53 ".previous\n"
53 ".section __ex_table,\"a\"\n" 54 _ASM_EXTABLE(1b,3b)
54 " .align 4\n"
55 " .long 1b, 3b\n"
56 ".previous"
57 : : "r" (from) ); 55 : : "r" (from) );
58 56
59 57
@@ -81,10 +79,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
81 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ 79 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
82 " jmp 2b\n" 80 " jmp 2b\n"
83 ".previous\n" 81 ".previous\n"
84 ".section __ex_table,\"a\"\n" 82 _ASM_EXTABLE(1b,3b)
85 " .align 4\n"
86 " .long 1b, 3b\n"
87 ".previous"
88 : : "r" (from), "r" (to) : "memory"); 83 : : "r" (from), "r" (to) : "memory");
89 from+=64; 84 from+=64;
90 to+=64; 85 to+=64;
@@ -181,10 +176,7 @@ static void fast_copy_page(void *to, void *from)
181 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ 176 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
182 " jmp 2b\n" 177 " jmp 2b\n"
183 ".previous\n" 178 ".previous\n"
184 ".section __ex_table,\"a\"\n" 179 _ASM_EXTABLE(1b,3b)
185 " .align 4\n"
186 " .long 1b, 3b\n"
187 ".previous"
188 : : "r" (from) ); 180 : : "r" (from) );
189 181
190 for(i=0; i<(4096-320)/64; i++) 182 for(i=0; i<(4096-320)/64; i++)
@@ -211,10 +203,7 @@ static void fast_copy_page(void *to, void *from)
211 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ 203 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
212 " jmp 2b\n" 204 " jmp 2b\n"
213 ".previous\n" 205 ".previous\n"
214 ".section __ex_table,\"a\"\n" 206 _ASM_EXTABLE(1b,3b)
215 " .align 4\n"
216 " .long 1b, 3b\n"
217 ".previous"
218 : : "r" (from), "r" (to) : "memory"); 207 : : "r" (from), "r" (to) : "memory");
219 from+=64; 208 from+=64;
220 to+=64; 209 to+=64;
@@ -311,10 +300,7 @@ static void fast_copy_page(void *to, void *from)
311 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ 300 "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
312 " jmp 2b\n" 301 " jmp 2b\n"
313 ".previous\n" 302 ".previous\n"
314 ".section __ex_table,\"a\"\n" 303 _ASM_EXTABLE(1b,3b)
315 " .align 4\n"
316 " .long 1b, 3b\n"
317 ".previous"
318 : : "r" (from) ); 304 : : "r" (from) );
319 305
320 for(i=0; i<4096/64; i++) 306 for(i=0; i<4096/64; i++)
@@ -341,10 +327,7 @@ static void fast_copy_page(void *to, void *from)
341 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ 327 "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
342 " jmp 2b\n" 328 " jmp 2b\n"
343 ".previous\n" 329 ".previous\n"
344 ".section __ex_table,\"a\"\n" 330 _ASM_EXTABLE(1b,3b)
345 " .align 4\n"
346 " .long 1b, 3b\n"
347 ".previous"
348 : : "r" (from), "r" (to) : "memory"); 331 : : "r" (from), "r" (to) : "memory");
349 from+=64; 332 from+=64;
350 to+=64; 333 to+=64;
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 { \
48 "3: movl %5,%0\n" \ 48 "3: movl %5,%0\n" \
49 " jmp 2b\n" \ 49 " jmp 2b\n" \
50 ".previous\n" \ 50 ".previous\n" \
51 ".section __ex_table,\"a\"\n" \ 51 _ASM_EXTABLE(0b,3b) \
52 " .align 4\n" \
53 " .long 0b,3b\n" \
54 ".previous" \
55 : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ 52 : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \
56 "=&D" (__d2) \ 53 "=&D" (__d2) \
57 : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ 54 : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \
@@ -132,11 +129,8 @@ do { \
132 "3: lea 0(%2,%0,4),%0\n" \ 129 "3: lea 0(%2,%0,4),%0\n" \
133 " jmp 2b\n" \ 130 " jmp 2b\n" \
134 ".previous\n" \ 131 ".previous\n" \
135 ".section __ex_table,\"a\"\n" \ 132 _ASM_EXTABLE(0b,3b) \
136 " .align 4\n" \ 133 _ASM_EXTABLE(1b,2b) \
137 " .long 0b,3b\n" \
138 " .long 1b,2b\n" \
139 ".previous" \
140 : "=&c"(size), "=&D" (__d0) \ 134 : "=&c"(size), "=&D" (__d0) \
141 : "r"(size & 3), "0"(size / 4), "1"(addr), "a"(0)); \ 135 : "r"(size & 3), "0"(size / 4), "1"(addr), "a"(0)); \
142} while (0) 136} while (0)
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 { \
31 "3: movq %5,%0\n" \ 31 "3: movq %5,%0\n" \
32 " jmp 2b\n" \ 32 " jmp 2b\n" \
33 ".previous\n" \ 33 ".previous\n" \
34 ".section __ex_table,\"a\"\n" \ 34 _ASM_EXTABLE(0b,3b) \
35 " .align 8\n" \
36 " .quad 0b,3b\n" \
37 ".previous" \
38 : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ 35 : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \
39 "=&D" (__d2) \ 36 "=&D" (__d2) \
40 : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ 37 : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \
@@ -87,11 +84,8 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
87 "3: lea 0(%[size1],%[size8],8),%[size8]\n" 84 "3: lea 0(%[size1],%[size8],8),%[size8]\n"
88 " jmp 2b\n" 85 " jmp 2b\n"
89 ".previous\n" 86 ".previous\n"
90 ".section __ex_table,\"a\"\n" 87 _ASM_EXTABLE(0b,3b)
91 " .align 8\n" 88 _ASM_EXTABLE(1b,2b)
92 " .quad 0b,3b\n"
93 " .quad 1b,2b\n"
94 ".previous"
95 : [size8] "=c"(size), [dst] "=&D" (__d0) 89 : [size8] "=c"(size), [dst] "=&D" (__d0)
96 : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), 90 : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr),
97 [zero] "r" (0UL), [eight] "r" (8UL)); 91 [zero] "r" (0UL), [eight] "r" (8UL));
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