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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 12:03:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 12:03:21 -0800 |
| commit | 06bc0f4a2e7fe54d98539686f070ceccfd73953d (patch) | |
| tree | 2c5918c1262862eef5f205fba20982a33f3aad69 /arch/x86 | |
| parent | Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff) | |
| parent | x86, boot: Move intcall() to the .inittext section (diff) | |
| download | linux-dev-06bc0f4a2e7fe54d98539686f070ceccfd73953d.tar.xz linux-dev-06bc0f4a2e7fe54d98539686f070ceccfd73953d.zip | |
Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/build changes from Ingo Molnar:
"Misc smaller improvements"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, boot: Move intcall() to the .inittext section
x86, boot: Use .code16 instead of .code16gcc
x86, sparse: Do not force removal of __user when calling copy_to/from_user_nocheck()
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/boot/bioscall.S | 6 | ||||
| -rw-r--r-- | arch/x86/boot/copy.S | 22 | ||||
| -rw-r--r-- | arch/x86/include/asm/uaccess_64.h | 4 |
3 files changed, 16 insertions, 16 deletions
diff --git a/arch/x86/boot/bioscall.S b/arch/x86/boot/bioscall.S index 1dfbf64e52a2..d401b4a262b0 100644 --- a/arch/x86/boot/bioscall.S +++ b/arch/x86/boot/bioscall.S @@ -1,6 +1,6 @@ /* ----------------------------------------------------------------------- * - * Copyright 2009 Intel Corporation; author H. Peter Anvin + * Copyright 2009-2014 Intel Corporation; author H. Peter Anvin * * This file is part of the Linux kernel, and is made available under * the terms of the GNU General Public License version 2 or (at your @@ -13,8 +13,8 @@ * touching registers they shouldn't be. */ - .code16gcc - .text + .code16 + .section ".inittext","ax" .globl intcall .type intcall, @function intcall: diff --git a/arch/x86/boot/copy.S b/arch/x86/boot/copy.S index 11f272c6f5e9..1eb7d298b47d 100644 --- a/arch/x86/boot/copy.S +++ b/arch/x86/boot/copy.S @@ -14,7 +14,7 @@ * Memory copy routines */ - .code16gcc + .code16 .text GLOBAL(memcpy) @@ -30,7 +30,7 @@ GLOBAL(memcpy) rep; movsb popw %di popw %si - ret + retl ENDPROC(memcpy) GLOBAL(memset) @@ -45,25 +45,25 @@ GLOBAL(memset) andw $3, %cx rep; stosb popw %di - ret + retl ENDPROC(memset) GLOBAL(copy_from_fs) pushw %ds pushw %fs popw %ds - call memcpy + calll memcpy popw %ds - ret + retl ENDPROC(copy_from_fs) GLOBAL(copy_to_fs) pushw %es pushw %fs popw %es - call memcpy + calll memcpy popw %es - ret + retl ENDPROC(copy_to_fs) #if 0 /* Not currently used, but can be enabled as needed */ @@ -71,17 +71,17 @@ GLOBAL(copy_from_gs) pushw %ds pushw %gs popw %ds - call memcpy + calll memcpy popw %ds - ret + retl ENDPROC(copy_from_gs) GLOBAL(copy_to_gs) pushw %es pushw %gs popw %es - call memcpy + calll memcpy popw %es - ret + retl ENDPROC(copy_to_gs) #endif diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 190413d0de57..12a26b979bf1 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -204,13 +204,13 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) static __must_check __always_inline int __copy_from_user_inatomic(void *dst, const void __user *src, unsigned size) { - return __copy_from_user_nocheck(dst, (__force const void *)src, size); + return __copy_from_user_nocheck(dst, src, size); } static __must_check __always_inline int __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) { - return __copy_to_user_nocheck((__force void *)dst, src, size); + return __copy_to_user_nocheck(dst, src, size); } extern long __copy_user_nocache(void *dst, const void __user *src, |