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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-22 20:05:15 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-22 20:05:15 -0400 |
commit | 8e204874db000928e37199c2db82b7eb8966cc3c (patch) | |
tree | eae66035cb761c3c5a79e98b92280b5156bc01ef /arch/x86/lib | |
parent | 3e0b8df79ddb8955d2cce5e858972a9cfe763384 (diff) | |
parent | aafade242ff24fac3aabf61c7861dfa44a3c2445 (diff) |
Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64, vdso: Do not allocate memory for the vDSO
clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option
x86, vdso: Drop now wrong comment
Document the vDSO and add a reference parser
ia64: Replace clocksource.fsys_mmio with generic arch data
x86-64: Move vread_tsc and vread_hpet into the vDSO
clocksource: Replace vread with generic arch data
x86-64: Add --no-undefined to vDSO build
x86-64: Allow alternative patching in the vDSO
x86: Make alternative instruction pointers relative
x86-64: Improve vsyscall emulation CS and RIP handling
x86-64: Emulate legacy vsyscalls
x86-64: Fill unused parts of the vsyscall page with 0xcc
x86-64: Remove vsyscall number 3 (venosys)
x86-64: Map the HPET NX
x86-64: Remove kernel.vsyscall64 sysctl
x86-64: Give vvars their own page
x86-64: Document some of entry_64.S
x86-64: Fix alignment of jiffies variable
Diffstat (limited to 'arch/x86/lib')
-rw-r--r-- | arch/x86/lib/copy_page_64.S | 9 | ||||
-rw-r--r-- | arch/x86/lib/memmove_64.S | 11 |
2 files changed, 8 insertions, 12 deletions
diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S index 6fec2d1cebe1..01c805ba5359 100644 --- a/arch/x86/lib/copy_page_64.S +++ b/arch/x86/lib/copy_page_64.S | |||
@@ -2,6 +2,7 @@ | |||
2 | 2 | ||
3 | #include <linux/linkage.h> | 3 | #include <linux/linkage.h> |
4 | #include <asm/dwarf2.h> | 4 | #include <asm/dwarf2.h> |
5 | #include <asm/alternative-asm.h> | ||
5 | 6 | ||
6 | ALIGN | 7 | ALIGN |
7 | copy_page_c: | 8 | copy_page_c: |
@@ -110,10 +111,6 @@ ENDPROC(copy_page) | |||
110 | 2: | 111 | 2: |
111 | .previous | 112 | .previous |
112 | .section .altinstructions,"a" | 113 | .section .altinstructions,"a" |
113 | .align 8 | 114 | altinstruction_entry copy_page, 1b, X86_FEATURE_REP_GOOD, \ |
114 | .quad copy_page | 115 | .Lcopy_page_end-copy_page, 2b-1b |
115 | .quad 1b | ||
116 | .word X86_FEATURE_REP_GOOD | ||
117 | .byte .Lcopy_page_end - copy_page | ||
118 | .byte 2b - 1b | ||
119 | .previous | 116 | .previous |
diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S index d0ec9c2936d7..ee164610ec46 100644 --- a/arch/x86/lib/memmove_64.S +++ b/arch/x86/lib/memmove_64.S | |||
@@ -9,6 +9,7 @@ | |||
9 | #include <linux/linkage.h> | 9 | #include <linux/linkage.h> |
10 | #include <asm/dwarf2.h> | 10 | #include <asm/dwarf2.h> |
11 | #include <asm/cpufeature.h> | 11 | #include <asm/cpufeature.h> |
12 | #include <asm/alternative-asm.h> | ||
12 | 13 | ||
13 | #undef memmove | 14 | #undef memmove |
14 | 15 | ||
@@ -214,11 +215,9 @@ ENTRY(memmove) | |||
214 | .previous | 215 | .previous |
215 | 216 | ||
216 | .section .altinstructions,"a" | 217 | .section .altinstructions,"a" |
217 | .align 8 | 218 | altinstruction_entry .Lmemmove_begin_forward, \ |
218 | .quad .Lmemmove_begin_forward | 219 | .Lmemmove_begin_forward_efs,X86_FEATURE_ERMS, \ |
219 | .quad .Lmemmove_begin_forward_efs | 220 | .Lmemmove_end_forward-.Lmemmove_begin_forward, \ |
220 | .word X86_FEATURE_ERMS | 221 | .Lmemmove_end_forward_efs-.Lmemmove_begin_forward_efs |
221 | .byte .Lmemmove_end_forward-.Lmemmove_begin_forward | ||
222 | .byte .Lmemmove_end_forward_efs-.Lmemmove_begin_forward_efs | ||
223 | .previous | 222 | .previous |
224 | ENDPROC(memmove) | 223 | ENDPROC(memmove) |