[GIT PULL] x86/build changes for v3.14

From: Ingo Molnar
Date: Mon Jan 20 2014 - 09:00:54 EST


Linus,

Please pull the latest x86-build-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-build-for-linus

# HEAD: 6f34152f54bcf63a49ea701643c81f5b2168fec8 x86, boot: Move intcall() to the .inittext section

Misc smaller improvements.

Thanks,

Ingo

------------------>
David Woodhouse (1):
x86, boot: Use .code16 instead of .code16gcc

H. Peter Anvin (1):
x86, boot: Move intcall() to the .inittext section

Steven Rostedt (1):
x86, sparse: Do not force removal of __user when calling copy_to/from_user_nocheck()


arch/x86/boot/bioscall.S | 6 +++---
arch/x86/boot/copy.S | 22 +++++++++++-----------
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 1dfbf64..d401b4a 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 11f272c..1eb7d29 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 190413d..12a26b9 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,
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