github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-08 14:42:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

Merge commit 'v2.6.32.9' into android-2.6.32

Browse Source
This commit is contained in:
Arve Hjønnevåg 2010-03-10 16:38:33 -08:00
commit 67078ecae3
683 changed files with 7640 additions and 5969 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/Changes
View File

@ -49,6 +49,8 @@ o oprofile 0.9 # oprofiled --version
o udev 081 # udevinfo -V
o grub 0.93 # grub --version
o mcelog 0.6
o iptables 1.4.1 # iptables -V
Kernel compilation
==================

21
Documentation/DocBook/Makefile
View File

@ -32,10 +32,10 @@ PS_METHOD = $(prefer-db2x)
###
# The targets that may be used.
PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs media
PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs xmldoclinks
BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
xmldocs: $(BOOKS)
xmldocs: $(BOOKS) xmldoclinks
sgmldocs: xmldocs
PS := $(patsubst %.xml, %.ps, $(BOOKS))
@ -45,15 +45,24 @@ PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
pdfdocs: $(PDF)
HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
htmldocs: media $(HTML)
htmldocs: $(HTML)
$(call build_main_index)
$(call build_images)
MAN := $(patsubst %.xml, %.9, $(BOOKS))
mandocs: $(MAN)
media:
mkdir -p $(srctree)/Documentation/DocBook/media/
cp $(srctree)/Documentation/DocBook/dvb/*.png $(srctree)/Documentation/DocBook/v4l/*.gif $(srctree)/Documentation/DocBook/media/
build_images = mkdir -p $(objtree)/Documentation/DocBook/media/ && \
cp $(srctree)/Documentation/DocBook/dvb/*.png $(srctree)/Documentation/DocBook/v4l/*.gif $(objtree)/Documentation/DocBook/media/
xmldoclinks:
ifneq ($(objtree),$(srctree))
for dep in dvb media-entities.tmpl media-indices.tmpl v4l; do \
rm -f $(objtree)/Documentation/DocBook/$$dep \
&& ln -s $(srctree)/Documentation/DocBook/$$dep $(objtree)/Documentation/DocBook/ \
|| exit; \
done
endif
installmandocs: mandocs
mkdir -p /usr/local/man/man9/

12
Documentation/filesystems/ext4.txt
View File

@ -153,8 +153,8 @@ journal_dev=devnum When the external journal device's major/minor numbers
identified through its new major/minor numbers encoded
in devnum.
noload Don't load the journal on mounting. Note that
if the filesystem was not unmounted cleanly,
norecovery Don't load the journal on mounting. Note that
noload if the filesystem was not unmounted cleanly,
skipping the journal replay will lead to the
filesystem containing inconsistencies that can
lead to any number of problems.
@ -196,7 +196,7 @@ nobarrier This also requires an IO stack which can support
also be used to enable or disable barriers, for
consistency with other ext4 mount options.
inode_readahead=n This tuning parameter controls the maximum
inode_readahead_blks=n This tuning parameter controls the maximum
number of inode table blocks that ext4's inode
table readahead algorithm will pre-read into
the buffer cache. The default value is 32 blocks.
@ -353,6 +353,12 @@ noauto_da_alloc replacing existing files via patterns such as
system crashes before the delayed allocation
blocks are forced to disk.
discard Controls whether ext4 should issue discard/TRIM
nodiscard(*) commands to the underlying block device when
blocks are freed. This is useful for SSD devices
and sparse/thinly-provisioned LUNs, but it is off
by default until sufficient testing has been done.
Data Mode
=========
There are 3 different data modes:

2
Documentation/kernel-parameters.txt
View File

@ -2645,6 +2645,8 @@ and is between 256 and 4096 characters. It is defined in the file
to a common usb-storage quirk flag as follows:
a = SANE_SENSE (collect more than 18 bytes
of sense data);
b = BAD_SENSE (don't collect more than 18
bytes of sense data);
c = FIX_CAPACITY (decrease the reported
device capacity by one sector);
h = CAPACITY_HEURISTICS (decrease the

36
Documentation/kvm/api.txt
View File

@ -593,6 +593,42 @@ struct kvm_irqchip {
} chip;
};
4.27 KVM_GET_CLOCK
Capability: KVM_CAP_ADJUST_CLOCK
Architectures: x86
Type: vm ioctl
Parameters: struct kvm_clock_data (out)
Returns: 0 on success, -1 on error
Gets the current timestamp of kvmclock as seen by the current guest. In
conjunction with KVM_SET_CLOCK, it is used to ensure monotonicity on scenarios
such as migration.
struct kvm_clock_data {
__u64 clock; /* kvmclock current value */
__u32 flags;
__u32 pad[9];
};
4.28 KVM_SET_CLOCK
Capability: KVM_CAP_ADJUST_CLOCK
Architectures: x86
Type: vm ioctl
Parameters: struct kvm_clock_data (in)
Returns: 0 on success, -1 on error
Sets the current timestamp of kvmclock to the valued specific in its parameter.
In conjunction with KVM_GET_CLOCK, it is used to ensure monotonicity on scenarios
such as migration.
struct kvm_clock_data {
__u64 clock; /* kvmclock current value */
__u32 flags;
__u32 pad[9];
};
5. The kvm_run structure
Application code obtains a pointer to the kvm_run structure by

1
Documentation/video4linux/CARDLIST.saa7134
View File

@ -172,3 +172,4 @@
171 -> Beholder BeholdTV X7 [5ace:7595]
172 -> RoverMedia TV Link Pro FM [19d1:0138]
173 -> Zolid Hybrid TV Tuner PCI [1131:2004]
174 -> Asus Europa Hybrid OEM [1043:4847]

1
Documentation/video4linux/gspca.txt
View File

@ -37,6 +37,7 @@ ov519 041e:405f Creative Live! VISTA VF0330
ov519 041e:4060 Creative Live! VISTA VF0350
ov519 041e:4061 Creative Live! VISTA VF0400
ov519 041e:4064 Creative Live! VISTA VF0420
ov519 041e:4067 Creative Live! Cam Video IM (VF0350)
ov519 041e:4068 Creative Live! VISTA VF0470
spca561 0458:7004 Genius VideoCAM Express V2
sunplus 0458:7006 Genius Dsc 1.3 Smart

4
MAINTAINERS
View File

@ -5594,9 +5594,11 @@ S: Maintained
F: drivers/net/wireless/rndis_wlan.c
USB XHCI DRIVER
M: Sarah Sharp <sarah.a.sharp@intel.com>
M: Sarah Sharp <sarah.a.sharp@linux.intel.com>
L: linux-usb@vger.kernel.org
S: Supported
F: drivers/usb/host/xhci*
F: drivers/usb/host/pci-quirks*
USB ZC0301 DRIVER
M: Luca Risolia <luca.risolia@studio.unibo.it>

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 32
EXTRAVERSION =
EXTRAVERSION = .9
NAME = Man-Eating Seals of Antiquity
# *DOCUMENTATION*

19
arch/alpha/kernel/osf_sys.c
View File

@ -178,25 +178,18 @@ SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, off)
{
struct file *file = NULL;
unsigned long ret = -EBADF;
unsigned long ret = -EINVAL;
#if 0
if (flags & (_MAP_HASSEMAPHORE | _MAP_INHERIT | _MAP_UNALIGNED))
printk("%s: unimplemented OSF mmap flags %04lx\n",
current->comm, flags);
#endif
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
ret = do_mmap(file, addr, len, prot, flags, off);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
if ((off + PAGE_ALIGN(len)) < off)
goto out;
if (off & ~PAGE_MASK)
goto out;
ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
out:
return ret;
}

3
arch/arm/include/asm/mman.h
View File

@ -1 +1,4 @@
#include <asm-generic/mman.h>
#define arch_mmap_check(addr, len, flags) \
(((flags) & MAP_FIXED && (addr) < FIRST_USER_ADDRESS) ? -EINVAL : 0)

2
arch/arm/kernel/calls.S
View File

@ -172,7 +172,7 @@
/* 160 */ CALL(sys_sched_get_priority_min)
CALL(sys_sched_rr_get_interval)
CALL(sys_nanosleep)
CALL(sys_arm_mremap)
CALL(sys_mremap)
CALL(sys_setresuid16)
/* 165 */ CALL(sys_getresuid16)
CALL(sys_ni_syscall) /* vm86 */

4
arch/arm/kernel/entry-common.S
View File

@ -416,12 +416,12 @@ sys_mmap2:
tst r5, #PGOFF_MASK
moveq r5, r5, lsr #PAGE_SHIFT - 12
streq r5, [sp, #4]
beq do_mmap2
beq sys_mmap_pgoff
mov r0, #-EINVAL
mov pc, lr
#else
str r5, [sp, #4]
b do_mmap2
b sys_mmap_pgoff
#endif
ENDPROC(sys_mmap2)

55
arch/arm/kernel/sys_arm.c
View File

@ -28,41 +28,6 @@
#include <linux/ipc.h>
#include <linux/uaccess.h>
extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
unsigned long new_len, unsigned long flags,
unsigned long new_addr);
/* common code for old and new mmaps */
inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EINVAL;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (flags & MAP_FIXED && addr < FIRST_USER_ADDRESS)
goto out;
error = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
struct mmap_arg_struct {
unsigned long addr;
unsigned long len;
@ -84,29 +49,11 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
if (a.offset & ~PAGE_MASK)
goto out;
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
out:
return error;
}
asmlinkage unsigned long
sys_arm_mremap(unsigned long addr, unsigned long old_len,
unsigned long new_len, unsigned long flags,
unsigned long new_addr)
{
unsigned long ret = -EINVAL;
if (flags & MREMAP_FIXED && new_addr < FIRST_USER_ADDRESS)
goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
up_write(&current->mm->mmap_sem);
out:
return ret;
}
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls.

9
arch/arm/mach-davinci/dm646x.c
View File

@ -789,7 +789,14 @@ static struct davinci_id dm646x_ids[] = {
.part_no = 0xb770,
.manufacturer = 0x017,
.cpu_id = DAVINCI_CPU_ID_DM6467,
.name = "dm6467",
.name = "dm6467_rev1.x",
},
{
.variant = 0x1,
.part_no = 0xb770,
.manufacturer = 0x017,
.cpu_id = DAVINCI_CPU_ID_DM6467,
.name = "dm6467_rev3.x",
},
};

11
arch/arm/mach-pxa/em-x270.c
View File

@ -497,16 +497,15 @@ static int em_x270_usb_hub_init(void)
goto err_free_vbus_gpio;
/* USB Hub power-on and reset */
gpio_direction_output(usb_hub_reset, 0);
gpio_direction_output(usb_hub_reset, 1);
gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
regulator_enable(em_x270_usb_ldo);
gpio_set_value(usb_hub_reset, 1);
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(usb_hub_reset, 1);
regulator_disable(em_x270_usb_ldo);
regulator_enable(em_x270_usb_ldo);
gpio_set_value(usb_hub_reset, 1);
/* enable VBUS */
gpio_direction_output(GPIO9_USB_VBUS_EN, 1);
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(GPIO9_USB_VBUS_EN, 1);
return 0;

3
arch/arm/mm/mmap.c
View File

@ -54,7 +54,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
* We enforce the MAP_FIXED case.
*/
if (flags & MAP_FIXED) {
if (aliasing && flags & MAP_SHARED && addr & (SHMLBA - 1))
if (aliasing && flags & MAP_SHARED &&
(addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))
return -EINVAL;
return addr;
}

4
arch/avr32/include/asm/syscalls.h
View File

@ -29,10 +29,6 @@ asmlinkage int sys_sigaltstack(const stack_t __user *, stack_t __user *,
struct pt_regs *);
asmlinkage int sys_rt_sigreturn(struct pt_regs *);
/* kernel/sys_avr32.c */
asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, off_t);
/* mm/cache.c */
asmlinkage int sys_cacheflush(int, void __user *, size_t);

31
arch/avr32/kernel/sys_avr32.c
View File

@ -5,39 +5,8 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/mm.h>
#include <linux/unistd.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
#include <asm/syscalls.h>
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t offset)
{
int error = -EBADF;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
return error;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, offset);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
return error;
}
int kernel_execve(const char *file, char **argv, char **envp)
{
register long scno asm("r8") = __NR_execve;

2
arch/avr32/kernel/syscall-stubs.S
View File

@ -61,7 +61,7 @@ __sys_execve:
__sys_mmap2:
pushm lr
st.w --sp, ARG6
call sys_mmap2
call sys_mmap_pgoff
sub sp, -4
popm pc

5
arch/blackfin/include/asm/page.h
View File

@ -10,4 +10,9 @@
#include <asm-generic/page.h>
#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
#define VM_DATA_DEFAULT_FLAGS \
(VM_READ | VM_WRITE | \
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif

33
arch/blackfin/kernel/sys_bfin.c
View File

@ -22,39 +22,6 @@
#include <asm/cacheflush.h>
#include <asm/dma.h>
/* common code for old and new mmaps */
static inline long
do_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
return do_mmap2(addr, len, prot, flags, fd, pgoff);
}
asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags)
{
return sram_alloc_with_lsl(size, flags);

2
arch/blackfin/mach-common/entry.S
View File

@ -1422,7 +1422,7 @@ ENTRY(_sys_call_table)
.long _sys_ni_syscall /* streams2 */
.long _sys_vfork /* 190 */
.long _sys_getrlimit
.long _sys_mmap2
.long _sys_mmap_pgoff
.long _sys_truncate64
.long _sys_ftruncate64
.long _sys_stat64 /* 195 */

30
arch/cris/kernel/sys_cris.c
View File

@ -26,31 +26,6 @@
#include <asm/uaccess.h>
#include <asm/segment.h>
/* common code for old and new mmaps */
static inline long
do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage unsigned long old_mmap(unsigned long __user *args)
{
unsigned long buffer[6];
@ -63,7 +38,7 @@ asmlinkage unsigned long old_mmap(unsigned long __user *args)
if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */
goto out;
err = do_mmap2(buffer[0], buffer[1], buffer[2], buffer[3],
err = sys_mmap_pgoff(buffer[0], buffer[1], buffer[2], buffer[3],
buffer[4], buffer[5] >> PAGE_SHIFT);
out:
return err;
@ -73,7 +48,8 @@ asmlinkage long
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
return do_mmap2(addr, len, prot, flags, fd, pgoff);
/* bug(?): 8Kb pages here */
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
}
/*

2
arch/frv/include/asm/page.h
View File

@ -63,12 +63,10 @@ extern unsigned long max_pfn;
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#ifdef CONFIG_MMU
#define VM_DATA_DEFAULT_FLAGS \
(VM_READ | VM_WRITE | \
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif
#endif /* __ASSEMBLY__ */

66
arch/frv/kernel/sys_frv.c
View File

@ -31,9 +31,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
/* As with sparc32, make sure the shift for mmap2 is constant
(12), no matter what PAGE_SIZE we have.... */
@ -41,70 +38,11 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
trying to map something we can't */
if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
return -EINVAL;
pgoff >>= PAGE_SHIFT - 12;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
return sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT - 12));
}
#if 0 /* DAVIDM - do we want this */
struct mmap_arg_struct64 {
__u32 addr;
__u32 len;
__u32 prot;
__u32 flags;
__u64 offset; /* 64 bits */
__u32 fd;
};
asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg)
{
int error = -EFAULT;
struct file * file = NULL;
struct mmap_arg_struct64 a;
unsigned long pgoff;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
if ((long)a.offset & ~PAGE_MASK)
return -EINVAL;
pgoff = a.offset >> PAGE_SHIFT;
if ((a.offset >> PAGE_SHIFT) != pgoff)
return -EINVAL;
if (!(a.flags & MAP_ANONYMOUS)) {
error = -EBADF;
file = fget(a.fd);
if (!file)
goto out;
}
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
#endif
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
*

83
arch/h8300/kernel/sys_h8300.c
View File

@ -26,39 +26,6 @@
#include <asm/traps.h>
#include <asm/unistd.h>
/* common code for old and new mmaps */
static inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
return do_mmap2(addr, len, prot, flags, fd, pgoff);
}
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
@ -87,58 +54,12 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg)
if (a.offset & ~PAGE_MASK)
goto out;
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a.offset >> PAGE_SHIFT);
out:
return error;
}
#if 0 /* DAVIDM - do we want this */
struct mmap_arg_struct64 {
__u32 addr;
__u32 len;
__u32 prot;
__u32 flags;
__u64 offset; /* 64 bits */
__u32 fd;
};
asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg)
{
int error = -EFAULT;
struct file * file = NULL;
struct mmap_arg_struct64 a;
unsigned long pgoff;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
if ((long)a.offset & ~PAGE_MASK)
return -EINVAL;
pgoff = a.offset >> PAGE_SHIFT;
if ((a.offset >> PAGE_SHIFT) != pgoff)
return -EINVAL;
if (!(a.flags & MAP_ANONYMOUS)) {
error = -EBADF;
file = fget(a.fd);
if (!file)
goto out;
}
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
#endif
struct sel_arg_struct {
unsigned long n;
fd_set *inp, *outp, *exp;

2
arch/h8300/kernel/syscalls.S
View File

@ -206,7 +206,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
.long SYMBOL_NAME(sys_ni_syscall) /* streams2 */
.long SYMBOL_NAME(sys_vfork) /* 190 */
.long SYMBOL_NAME(sys_getrlimit)
.long SYMBOL_NAME(sys_mmap2)
.long SYMBOL_NAME(sys_mmap_pgoff)
.long SYMBOL_NAME(sys_truncate64)
.long SYMBOL_NAME(sys_ftruncate64)
.long SYMBOL_NAME(sys_stat64) /* 195 */

3
arch/ia64/ia32/sys_ia32.c
View File

@ -858,6 +858,9 @@ ia32_do_mmap (struct file *file, unsigned long addr, unsigned long len, int prot
prot = get_prot32(prot);
if (flags & MAP_HUGETLB)
return -ENOMEM;
#if PAGE_SHIFT > IA32_PAGE_SHIFT
mutex_lock(&ia32_mmap_mutex);
{

2
arch/ia64/include/asm/io.h
View File

@ -424,6 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr)
extern void __iomem * ioremap(unsigned long offset, unsigned long size);
extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
extern void iounmap (volatile void __iomem *addr);
extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
/*
* String version of IO memory access ops:

83
arch/ia64/kernel/sys_ia64.c
View File

@ -100,51 +100,7 @@ sys_getpagesize (void)
asmlinkage unsigned long
ia64_brk (unsigned long brk)
{
unsigned long rlim, retval, newbrk, oldbrk;
struct mm_struct *mm = current->mm;
/*
* Most of this replicates the code in sys_brk() except for an additional safety
* check and the clearing of r8. However, we can't call sys_brk() because we need
* to acquire the mmap_sem before we can do the test...
*/
down_write(&mm->mmap_sem);
if (brk < mm->end_code)
goto out;
newbrk = PAGE_ALIGN(brk);
oldbrk = PAGE_ALIGN(mm->brk);
if (oldbrk == newbrk)
goto set_brk;
/* Always allow shrinking brk. */
if (brk <= mm->brk) {
if (!do_munmap(mm, newbrk, oldbrk-newbrk))
goto set_brk;
goto out;
}
/* Check against unimplemented/unmapped addresses: */
if ((newbrk - oldbrk) > RGN_MAP_LIMIT || REGION_OFFSET(newbrk) > RGN_MAP_LIMIT)
goto out;
/* Check against rlimit.. */
rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
if (rlim < RLIM_INFINITY && brk - mm->start_data > rlim)
goto out;
/* Check against existing mmap mappings. */
if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE))
goto out;
/* Ok, looks good - let it rip. */
if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk)
goto out;
set_brk:
mm->brk = brk;
out:
retval = mm->brk;
up_write(&mm->mmap_sem);
unsigned long retval = sys_brk(brk);
force_successful_syscall_return();
return retval;
}
@ -185,39 +141,6 @@ int ia64_mmap_check(unsigned long addr, unsigned long len,
return 0;
}
static inline unsigned long
do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, unsigned long pgoff)
{
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
return -EBADF;
if (!file->f_op || !file->f_op->mmap) {
addr = -ENODEV;
goto out;
}
}
/* Careful about overflows.. */
len = PAGE_ALIGN(len);
if (!len || len > TASK_SIZE) {
addr = -EINVAL;
goto out;
}
down_write(&current->mm->mmap_sem);
addr = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
out: if (file)
fput(file);
return addr;
}
/*
* mmap2() is like mmap() except that the offset is expressed in units
* of PAGE_SIZE (instead of bytes). This allows to mmap2() (pieces
@ -226,7 +149,7 @@ out: if (file)
asmlinkage unsigned long
sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
{
addr = do_mmap2(addr, len, prot, flags, fd, pgoff);
addr = sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
if (!IS_ERR((void *) addr))
force_successful_syscall_return();
return addr;
@ -238,7 +161,7 @@ sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, lo
if (offset_in_page(off) != 0)
return -EINVAL;
addr = do_mmap2(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
addr = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
if (!IS_ERR((void *) addr))
force_successful_syscall_return();
return addr;

11
arch/ia64/mm/ioremap.c
View File

@ -21,6 +21,12 @@ __ioremap (unsigned long phys_addr)
return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr);
}
void __iomem *
early_ioremap (unsigned long phys_addr, unsigned long size)
{
return __ioremap(phys_addr);
}
void __iomem *
ioremap (unsigned long phys_addr, unsigned long size)
{
@ -101,6 +107,11 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size)
}
EXPORT_SYMBOL(ioremap_nocache);
void
early_iounmap (volatile void __iomem *addr, unsigned long size)
{
}
void
iounmap (volatile void __iomem *addr)
{

24
arch/m32r/kernel/sys_m32r.c
View File

@ -76,30 +76,6 @@ asmlinkage int sys_tas(int __user *addr)
return oldval;
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
*

2
arch/m32r/kernel/syscall_table.S
View File

@ -191,7 +191,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* streams2 */
.long sys_vfork /* 190 */
.long sys_getrlimit
.long sys_mmap2
.long sys_mmap_pgoff
.long sys_truncate64
.long sys_ftruncate64
.long sys_stat64 /* 195 */

83
arch/m68k/kernel/sys_m68k.c
View File

@ -29,37 +29,16 @@
#include <asm/page.h>
#include <asm/unistd.h>
/* common code for old and new mmaps */
static inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
return do_mmap2(addr, len, prot, flags, fd, pgoff);
/*
* This is wrong for sun3 - there PAGE_SIZE is 8Kb,
* so we need to shift the argument down by 1; m68k mmap64(3)
* (in libc) expects the last argument of mmap2 in 4Kb units.
*/
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
}
/*
@ -90,58 +69,12 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
if (a.offset & ~PAGE_MASK)
goto out;
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a.offset >> PAGE_SHIFT);
out:
return error;
}
#if 0
struct mmap_arg_struct64 {
__u32 addr;
__u32 len;
__u32 prot;
__u32 flags;
__u64 offset; /* 64 bits */
__u32 fd;
};
asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg)
{
int error = -EFAULT;
struct file * file = NULL;
struct mmap_arg_struct64 a;
unsigned long pgoff;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
if ((long)a.offset & ~PAGE_MASK)
return -EINVAL;
pgoff = a.offset >> PAGE_SHIFT;
if ((a.offset >> PAGE_SHIFT) != pgoff)
return -EINVAL;
if (!(a.flags & MAP_ANONYMOUS)) {
error = -EBADF;
file = fget(a.fd);
if (!file)
goto out;
}
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
#endif
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;

38
arch/m68knommu/kernel/sys_m68k.c
View File

@ -27,39 +27,6 @@
#include <asm/cacheflush.h>
#include <asm/unistd.h>
/* common code for old and new mmaps */
static inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
return do_mmap2(addr, len, prot, flags, fd, pgoff);
}
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
@ -88,9 +55,8 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg)
if (a.offset & ~PAGE_MASK)
goto out;
a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a.offset >> PAGE_SHIFT);
out:
return error;
}

2
arch/m68knommu/kernel/syscalltable.S
View File

@ -210,7 +210,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* streams2 */
.long sys_vfork /* 190 */
.long sys_getrlimit
.long sys_mmap2
.long sys_mmap_pgoff
.long sys_truncate64
.long sys_ftruncate64
.long sys_stat64 /* 195 */

38
arch/microblaze/kernel/sys_microblaze.c
View File

@ -62,46 +62,14 @@ asmlinkage long microblaze_execve(char __user *filenamei, char __user *__user *a
return error;
}
asmlinkage long
sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
struct file *file = NULL;
int ret = -EBADF;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file) {
printk(KERN_INFO "no fd in mmap\r\n");
goto out;
}
}
down_write(&current->mm->mmap_sem);
ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return ret;
}
asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t pgoff)
{
int err = -EINVAL;
if (pgoff & ~PAGE_MASK)
return -EINVAL;
if (pgoff & ~PAGE_MASK) {
printk(KERN_INFO "no pagemask in mmap\r\n");
goto out;
}
err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
out:
return err;
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
}
/*

2
arch/microblaze/kernel/syscall_table.S
View File

@ -196,7 +196,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* reserved for streams2 */
.long sys_vfork /* 190 */
.long sys_getrlimit
.long sys_mmap2 /* mmap2 */
.long sys_mmap_pgoff /* mmap2 */
.long sys_truncate64
.long sys_ftruncate64
.long sys_stat64 /* 195 */

19
arch/mips/kernel/linux32.c
View File

@ -67,28 +67,13 @@ SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, pgoff)
{
struct file * file = NULL;
unsigned long error;
error = -EINVAL;
if (pgoff & (~PAGE_MASK >> 12))
goto out;
pgoff >>= PAGE_SHIFT-12;
if (!(flags & MAP_ANONYMOUS)) {
error = -EBADF;
file = fget(fd);
if (!file)
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
error = sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT-12));
out:
return error;
}

32
arch/mips/kernel/syscall.c
View File

@ -93,7 +93,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
if ((flags & MAP_SHARED) && (addr & shm_align_mask))
if ((flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & shm_align_mask))
return -EINVAL;
return addr;
}
@ -129,31 +130,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
}
}
/* common code for old and new mmaps */
static inline unsigned long
do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
unsigned long error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long,
fd, off_t, offset)
@ -164,7 +140,7 @@ SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len,
if (offset & ~PAGE_MASK)
goto out;
result = do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
result = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
out:
return result;
@ -177,7 +153,7 @@ SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len,
if (pgoff & (~PAGE_MASK >> 12))
return -EINVAL;
return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
}
save_static_function(sys_fork);

5
arch/mn10300/include/asm/mman.h
View File

@ -1 +1,6 @@
#include <asm-generic/mman.h>
#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
#define arch_mmap_check(addr, len, flags) \
(((flags) & MAP_FIXED && (addr) < MIN_MAP_ADDR) ? -EINVAL : 0)

2
arch/mn10300/kernel/entry.S
View File

@ -578,7 +578,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* reserved for streams2 */
.long sys_vfork /* 190 */
.long sys_getrlimit
.long sys_mmap2
.long sys_mmap_pgoff
.long sys_truncate64
.long sys_ftruncate64
.long sys_stat64 /* 195 */

36
arch/mn10300/kernel/sys_mn10300.c
View File

@ -23,47 +23,13 @@
#include <asm/uaccess.h>
#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
/*
* memory mapping syscall
*/
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
struct file *file = NULL;
long error = -EINVAL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (flags & MAP_FIXED && addr < MIN_MAP_ADDR)
goto out;
error = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage long old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long offset)
{
if (offset & ~PAGE_MASK)
return -EINVAL;
return sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
}
struct sel_arg_struct {

30
arch/parisc/kernel/sys_parisc.c
View File

@ -110,37 +110,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
return addr;
}
static unsigned long do_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long pgoff)
{
struct file * file = NULL;
unsigned long error = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file != NULL)
fput(file);
out:
return error;
}
asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long pgoff)
{
/* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE
we have. */
return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12));
return sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT - 12));
}
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
@ -148,7 +125,8 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long offset)
{
if (!(offset & ~PAGE_MASK)) {
return do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
return sys_mmap_pgoff(addr, len, prot, flags, fd,
offset >> PAGE_SHIFT);
} else {
return -EINVAL;
}

8
arch/powerpc/include/asm/elf.h
View File

@ -236,14 +236,10 @@ typedef elf_vrregset_t elf_fpxregset_t;
#ifdef __powerpc64__
# define SET_PERSONALITY(ex) \
do { \
unsigned long new_flags = 0; \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
new_flags = _TIF_32BIT; \
if ((current_thread_info()->flags & _TIF_32BIT) \
!= new_flags) \
set_thread_flag(TIF_ABI_PENDING); \
set_thread_flag(TIF_32BIT); \
else \
clear_thread_flag(TIF_ABI_PENDING); \
clear_thread_flag(TIF_32BIT); \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \

5
arch/powerpc/include/asm/module.h
View File

@ -87,5 +87,10 @@ struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
#ifdef CONFIG_MODVERSIONS
#define ARCH_RELOCATES_KCRCTAB
extern const unsigned long reloc_start[];
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */

2
arch/powerpc/include/asm/thread_info.h
View File

@ -111,7 +111,6 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
#define TIF_FREEZE 14 /* Freezing for suspend */
#define TIF_RUNLATCH 15 /* Is the runlatch enabled? */
#define TIF_ABI_PENDING 16 /* 32/64 bit switch needed */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@ -129,7 +128,6 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_FREEZE (1<<TIF_FREEZE)
#define _TIF_RUNLATCH (1<<TIF_RUNLATCH)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \

63
arch/powerpc/kernel/align.c
View File

@ -642,10 +642,14 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg,
*/
static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
unsigned int areg, struct pt_regs *regs,
unsigned int flags, unsigned int length)
unsigned int flags, unsigned int length,
unsigned int elsize)
{
char *ptr;
unsigned long *lptr;
int ret = 0;
int sw = 0;
int i, j;
flush_vsx_to_thread(current);
@ -654,19 +658,35 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
else
ptr = (char *) &current->thread.vr[reg - 32];
if (flags & ST)
ret = __copy_to_user(addr, ptr, length);
else {
if (flags & SPLT){
ret = __copy_from_user(ptr, addr, length);
ptr += length;
lptr = (unsigned long *) ptr;
if (flags & SW)
sw = elsize-1;
for (j = 0; j < length; j += elsize) {
for (i = 0; i < elsize; ++i) {
if (flags & ST)
ret |= __put_user(ptr[i^sw], addr + i);
else
ret |= __get_user(ptr[i^sw], addr + i);
}
ret |= __copy_from_user(ptr, addr, length);
ptr += elsize;
addr += elsize;
}
if (flags & U)
regs->gpr[areg] = regs->dar;
if (ret)
if (!ret) {
if (flags & U)
regs->gpr[areg] = regs->dar;
/* Splat load copies the same data to top and bottom 8 bytes */
if (flags & SPLT)
lptr[1] = lptr[0];
/* For 8 byte loads, zero the top 8 bytes */
else if (!(flags & ST) && (8 == length))
lptr[1] = 0;
} else
return -EFAULT;
return 1;
}
#endif
@ -767,16 +787,25 @@ int fix_alignment(struct pt_regs *regs)
#ifdef CONFIG_VSX
if ((instruction & 0xfc00003e) == 0x7c000018) {
/* Additional register addressing bit (64 VSX vs 32 FPR/GPR */
unsigned int elsize;
/* Additional register addressing bit (64 VSX vs 32 FPR/GPR) */
reg |= (instruction & 0x1) << 5;
/* Simple inline decoder instead of a table */
/* VSX has only 8 and 16 byte memory accesses */
nb = 8;
if (instruction & 0x200)
nb = 16;
else if (instruction & 0x080)
nb = 8;
else
nb = 4;
/* Vector stores in little-endian mode swap individual
elements, so process them separately */
elsize = 4;
if (instruction & 0x80)
elsize = 8;
flags = 0;
if (regs->msr & MSR_LE)
flags |= SW;
if (instruction & 0x100)
flags |= ST;
if (instruction & 0x040)
@ -787,7 +816,7 @@ int fix_alignment(struct pt_regs *regs)
nb = 8;
}
PPC_WARN_EMULATED(vsx);
return emulate_vsx(addr, reg, areg, regs, flags, nb);
return emulate_vsx(addr, reg, areg, regs, flags, nb, elsize);
}
#endif
/* A size of 0 indicates an instruction we don't support, with

13
arch/powerpc/kernel/pci-common.c
View File

@ -1107,6 +1107,12 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
struct dev_archdata *sd = &dev->dev.archdata;
/* Cardbus can call us to add new devices to a bus, so ignore
* those who are already fully discovered
*/
if (dev->is_added)
continue;
/* Setup OF node pointer in archdata */
sd->of_node = pci_device_to_OF_node(dev);
@ -1147,6 +1153,13 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
}
EXPORT_SYMBOL(pcibios_fixup_bus);
void __devinit pci_fixup_cardbus(struct pci_bus *bus)
{
/* Now fixup devices on that bus */
pcibios_setup_bus_devices(bus);
}
static int skip_isa_ioresource_align(struct pci_dev *dev)
{
if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) &&

12
arch/powerpc/kernel/process.c
View File

@ -554,18 +554,6 @@ void exit_thread(void)
void flush_thread(void)
{
#ifdef CONFIG_PPC64
struct thread_info *t = current_thread_info();
if (test_ti_thread_flag(t, TIF_ABI_PENDING)) {
clear_ti_thread_flag(t, TIF_ABI_PENDING);
if (test_ti_thread_flag(t, TIF_32BIT))
clear_ti_thread_flag(t, TIF_32BIT);
else
set_ti_thread_flag(t, TIF_32BIT);
}
#endif
discard_lazy_cpu_state();
if (current->thread.dabr) {

15
arch/powerpc/kernel/syscalls.c
View File

@ -140,7 +140,6 @@ static inline unsigned long do_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long off, int shift)
{
struct file * file = NULL;
unsigned long ret = -EINVAL;
if (!arch_validate_prot(prot))
@ -151,20 +150,8 @@ static inline unsigned long do_mmap2(unsigned long addr, size_t len,
goto out;
off >>= shift;
}
ret = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
if (!(file = fget(fd)))
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
ret = do_mmap_pgoff(file, addr, len, prot, flags, off);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off);
out:
return ret;
}

2
arch/powerpc/kernel/vector.S
View File

@ -58,7 +58,7 @@ _GLOBAL(load_up_altivec)
* all 1's
*/
mfspr r4,SPRN_VRSAVE
cmpdi 0,r4,0
cmpwi 0,r4,0
bne+ 1f
li r4,-1
mtspr SPRN_VRSAVE,r4

3
arch/powerpc/kernel/vmlinux.lds.S
View File

@ -38,6 +38,9 @@ jiffies = jiffies_64 + 4;
#endif
SECTIONS
{
. = 0;
reloc_start = .;
. = KERNELBASE;
/*

14
arch/powerpc/sysdev/fsl_pci.c
View File

@ -392,8 +392,22 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8536, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header);
#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */
#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)

3
arch/s390/include/asm/kvm.h
View File

@ -1,6 +1,5 @@
#ifndef __LINUX_KVM_S390_H
#define __LINUX_KVM_S390_H
/*
* asm-s390/kvm.h - KVM s390 specific structures and definitions
*
@ -15,6 +14,8 @@
*/
#include <linux/types.h>
#define __KVM_S390
/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
/* general purpose regs for s390 */

37
arch/s390/kernel/compat_linux.c
View File

@ -683,38 +683,6 @@ struct mmap_arg_struct_emu31 {
u32 offset;
};
/* common code for old and new mmaps */
static inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
struct file * file = NULL;
unsigned long error = -EBADF;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
if (!IS_ERR((void *) error) && error + len >= 0x80000000ULL) {
/* Result is out of bounds. */
do_munmap(current->mm, addr, len);
error = -ENOMEM;
}
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage unsigned long
old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
{
@ -728,7 +696,8 @@ old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
if (a.offset & ~PAGE_MASK)
goto out;
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a.offset >> PAGE_SHIFT);
out:
return error;
}
@ -741,7 +710,7 @@ sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
if (copy_from_user(&a, arg, sizeof(a)))
goto out;
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
out:
return error;
}

1
arch/s390/kernel/entry.S
View File

@ -571,6 +571,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
lm %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
b BASED(sysc_do_svc)

1
arch/s390/kernel/entry64.S
View File

@ -549,6 +549,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
lmg %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
j sysc_do_svc

3
arch/s390/kernel/head64.S
View File

@ -83,6 +83,8 @@ startup_continue:
slr %r0,%r0 # set cpuid to zero
sigp %r1,%r0,0x12 # switch to esame mode
sam64 # switch to 64 bit mode
llgfr %r13,%r13 # clear high-order half of base reg
lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half
lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
@ -127,6 +129,7 @@ startup_continue:
.L4malign:.quad 0xffffffffffc00000
.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
.Lnop: .long 0x07000700
.Lzero64:.fill 16,4,0x0
#ifdef CONFIG_ZFCPDUMP
.Lcurrent_cpu:
.long 0x0

30
arch/s390/kernel/sys_s390.c
View File

@ -32,32 +32,6 @@
#include <asm/uaccess.h>
#include "entry.h"
/* common code for old and new mmaps */
static inline long do_mmap2(
unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
long error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls. Linux for S/390 isn't able to handle more than 5
@ -81,7 +55,7 @@ SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
if (copy_from_user(&a, arg, sizeof(a)))
goto out;
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
out:
return error;
}
@ -98,7 +72,7 @@ SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
if (a.offset & ~PAGE_MASK)
goto out;
error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
out:
return error;
}

4
arch/s390/kvm/intercept.c
View File

@ -213,7 +213,7 @@ static int handle_instruction_and_prog(struct kvm_vcpu *vcpu)
return rc2;
}
static const intercept_handler_t intercept_funcs[0x48 >> 2] = {
static const intercept_handler_t intercept_funcs[] = {
[0x00 >> 2] = handle_noop,
[0x04 >> 2] = handle_instruction,
[0x08 >> 2] = handle_prog,
@ -230,7 +230,7 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu)
intercept_handler_t func;
u8 code = vcpu->arch.sie_block->icptcode;
if (code & 3 || code > 0x48)
if (code & 3 || (code >> 2) >= ARRAY_SIZE(intercept_funcs))
return -ENOTSUPP;
func = intercept_funcs[code >> 2];
if (func)

25
arch/s390/kvm/kvm-s390.c
View File

@ -116,10 +116,16 @@ long kvm_arch_dev_ioctl(struct file *filp,
int kvm_dev_ioctl_check_extension(long ext)
{
int r;
switch (ext) {
case KVM_CAP_S390_PSW:
r = 1;
break;
default:
return 0;
r = 0;
}
return r;
}
/* Section: vm related */
@ -419,8 +425,10 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw)
vcpu_load(vcpu);
if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
rc = -EBUSY;
else
vcpu->arch.sie_block->gpsw = psw;
else {
vcpu->run->psw_mask = psw.mask;
vcpu->run->psw_addr = psw.addr;
}
vcpu_put(vcpu);
return rc;
}
@ -508,9 +516,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
switch (kvm_run->exit_reason) {
case KVM_EXIT_S390_SIEIC:
vcpu->arch.sie_block->gpsw.mask = kvm_run->s390_sieic.mask;
vcpu->arch.sie_block->gpsw.addr = kvm_run->s390_sieic.addr;
break;
case KVM_EXIT_UNKNOWN:
case KVM_EXIT_INTR:
case KVM_EXIT_S390_RESET:
@ -519,6 +524,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
BUG();
}
vcpu->arch.sie_block->gpsw.mask = kvm_run->psw_mask;
vcpu->arch.sie_block->gpsw.addr = kvm_run->psw_addr;
might_fault();
do {
@ -538,8 +546,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
/* intercept cannot be handled in-kernel, prepare kvm-run */
kvm_run->exit_reason = KVM_EXIT_S390_SIEIC;
kvm_run->s390_sieic.icptcode = vcpu->arch.sie_block->icptcode;
kvm_run->s390_sieic.mask = vcpu->arch.sie_block->gpsw.mask;
kvm_run->s390_sieic.addr = vcpu->arch.sie_block->gpsw.addr;
kvm_run->s390_sieic.ipa = vcpu->arch.sie_block->ipa;
kvm_run->s390_sieic.ipb = vcpu->arch.sie_block->ipb;
rc = 0;
@ -551,6 +557,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
rc = 0;
}
kvm_run->psw_mask = vcpu->arch.sie_block->gpsw.mask;
kvm_run->psw_addr = vcpu->arch.sie_block->gpsw.addr;
if (vcpu->sigset_active)
sigprocmask(SIG_SETMASK, &sigsaved, NULL);

6
arch/s390/kvm/sigp.c
View File

@ -188,9 +188,9 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
/* make sure that the new value is valid memory */
address = address & 0x7fffe000u;
if ((copy_from_guest(vcpu, &tmp,
(u64) (address + vcpu->arch.sie_block->gmsor) , 1)) ||
(copy_from_guest(vcpu, &tmp, (u64) (address +
if ((copy_from_user(&tmp, (void __user *)
(address + vcpu->arch.sie_block->gmsor) , 1)) ||
(copy_from_user(&tmp, (void __user *)(address +
vcpu->arch.sie_block->gmsor + PAGE_SIZE), 1))) {
*reg |= SIGP_STAT_INVALID_PARAMETER;
return 1; /* invalid parameter */

28
arch/score/kernel/sys_score.c
View File

@ -36,34 +36,16 @@ asmlinkage long
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file *file = NULL;
if (pgoff & (~PAGE_MASK >> 12))
return -EINVAL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
return error;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
return error;
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
}
asmlinkage long
sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, off_t pgoff)
unsigned long flags, unsigned long fd, off_t offset)
{
return sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
if (unlikely(offset & ~PAGE_MASK))
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
}
asmlinkage long

5
arch/sh/include/asm/pgtable_32.h
View File

@ -344,7 +344,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
#define pte_special(pte) ((pte).pte_low & _PAGE_SPECIAL)
#ifdef CONFIG_X2TLB
#define pte_write(pte) ((pte).pte_high & _PAGE_EXT_USER_WRITE)
#define pte_write(pte) \
((pte).pte_high & (_PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE))
#else
#define pte_write(pte) ((pte).pte_low & _PAGE_RW)
#endif
@ -358,7 +359,7 @@ static inline pte_t pte_##fn(pte_t pte) { pte.pte_##h op; return pte; }
* individually toggled (and user permissions are entirely decoupled from
* kernel permissions), we attempt to couple them a bit more sanely here.
*/
PTE_BIT_FUNC(high, wrprotect, &= ~_PAGE_EXT_USER_WRITE);
PTE_BIT_FUNC(high, wrprotect, &= ~(_PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE));
PTE_BIT_FUNC(high, mkwrite, |= _PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE);
PTE_BIT_FUNC(high, mkhuge, |= _PAGE_SZHUGE);
#else

2
arch/sh/kernel/process_64.c
View File

@ -367,7 +367,7 @@ void exit_thread(void)
void flush_thread(void)
{
/* Called by fs/exec.c (flush_old_exec) to remove traces of a
/* Called by fs/exec.c (setup_new_exec) to remove traces of a
* previously running executable. */
#ifdef CONFIG_SH_FPU
if (last_task_used_math == current) {

28
arch/sh/kernel/sys_sh.c
View File

@ -28,37 +28,13 @@
#include <asm/cacheflush.h>
#include <asm/cachectl.h>
static inline long
do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, int fd, unsigned long pgoff)
{
int error = -EBADF;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
asmlinkage int old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
int fd, unsigned long off)
{
if (off & ~PAGE_MASK)
return -EINVAL;
return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
return sys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
}
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
@ -74,7 +50,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
pgoff >>= PAGE_SHIFT - 12;
return do_mmap2(addr, len, prot, flags, fd, pgoff);
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
}
/*

3
arch/sh/mm/mmap.c
View File

@ -54,7 +54,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
if ((flags & MAP_SHARED) && (addr & shm_align_mask))
if ((flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & shm_align_mask))
return -EINVAL;
return addr;
}

2
arch/sparc/Makefile
View File

@ -27,6 +27,7 @@ AS := $(AS) -32
LDFLAGS := -m elf32_sparc
CHECKFLAGS += -D__sparc__
export BITS := 32
UTS_MACHINE := sparc
#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
@ -46,6 +47,7 @@ CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
LDFLAGS := -m elf64_sparc
export BITS := 64
UTS_MACHINE := sparc64
KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \

13
arch/sparc/include/asm/elf_64.h
View File

@ -196,17 +196,10 @@ static inline unsigned int sparc64_elf_hwcap(void)
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex) \
do { unsigned long new_flags = current_thread_info()->flags; \
new_flags &= _TIF_32BIT; \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
new_flags |= _TIF_32BIT; \
do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
set_thread_flag(TIF_32BIT); \
else \
new_flags &= ~_TIF_32BIT; \
if ((current_thread_info()->flags & _TIF_32BIT) \
!= new_flags) \
set_thread_flag(TIF_ABI_PENDING); \
else \
clear_thread_flag(TIF_ABI_PENDING); \
clear_thread_flag(TIF_32BIT); \
/* flush_thread will update pgd cache */ \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \

4
arch/sparc/include/asm/thread_info_64.h
View File

@ -227,12 +227,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
/* flag bit 8 is available */
#define TIF_SECCOMP 9 /* secure computing */
#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
/* flag bit 11 is available */
/* NOTE: Thread flags >= 12 should be ones we have no interest
* in using in assembly, else we can't use the mask as
* an immediate value in instructions such as andcc.
*/
#define TIF_ABI_PENDING 12
/* flag bit 12 is available */
#define TIF_MEMDIE 13
#define TIF_POLLING_NRFLAG 14
#define TIF_FREEZE 15 /* is freezing for suspend */
@ -246,7 +245,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_32BIT (1<<TIF_32BIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1<<TIF_FREEZE)

4
arch/sparc/kernel/ldc.c
View File

@ -1242,13 +1242,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
err = request_irq(lp->cfg.rx_irq, ldc_rx,
IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->rx_irq_name, lp);
if (err)
return err;
err = request_irq(lp->cfg.tx_irq, ldc_tx,
IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->tx_irq_name, lp);
if (err) {
free_irq(lp->cfg.rx_irq, lp);

3
arch/sparc/kernel/nmi.c
View File

@ -96,7 +96,6 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
int cpu = smp_processor_id();
clear_softint(1 << irq);
pcr_ops->write(PCR_PIC_PRIV);
local_cpu_data().__nmi_count++;
@ -105,6 +104,8 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
if (notify_die(DIE_NMI, "nmi", regs, 0,
pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
touched = 1;
else
pcr_ops->write(PCR_PIC_PRIV);
sum = kstat_irqs_cpu(0, cpu);
if (__get_cpu_var(nmi_touch)) {

14
arch/sparc/kernel/of_device_64.c
View File

@ -104,9 +104,19 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
int i;
/* Check address type match */
if ((addr[0] ^ range[0]) & 0x03000000)
return -EINVAL;
if (!((addr[0] ^ range[0]) & 0x03000000))
goto type_match;
/* Special exception, we can map a 64-bit address into
* a 32-bit range.
*/
if ((addr[0] & 0x03000000) == 0x03000000 &&
(range[0] & 0x03000000) == 0x02000000)
goto type_match;
return -EINVAL;
type_match:
if (of_out_of_range(addr + 1, range + 1, range + na + pna,
na - 1, ns))
return -EINVAL;

11
arch/sparc/kernel/perf_event.c
View File

@ -986,6 +986,17 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
data.addr = 0;
cpuc = &__get_cpu_var(cpu_hw_events);
/* If the PMU has the TOE IRQ enable bits, we need to do a
* dummy write to the %pcr to clear the overflow bits and thus
* the interrupt.
*
* Do this before we peek at the counters to determine
* overflow so we don't lose any events.
*/
if (sparc_pmu->irq_bit)
pcr_ops->write(cpuc->pcr);
for (idx = 0; idx < MAX_HWEVENTS; idx++) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;

8
arch/sparc/kernel/process_64.c
View File

@ -365,14 +365,6 @@ void flush_thread(void)
struct thread_info *t = current_thread_info();
struct mm_struct *mm;
if (test_ti_thread_flag(t, TIF_ABI_PENDING)) {
clear_ti_thread_flag(t, TIF_ABI_PENDING);
if (test_ti_thread_flag(t, TIF_32BIT))
clear_ti_thread_flag(t, TIF_32BIT);
else
set_ti_thread_flag(t, TIF_32BIT);
}
mm = t->task->mm;
if (mm)
tsb_context_switch(mm);

64
arch/sparc/kernel/sys_sparc_32.c
View File

@ -45,7 +45,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
if ((flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
}
@ -79,15 +80,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
}
}
asmlinkage unsigned long sparc_brk(unsigned long brk)
{
if(ARCH_SUN4C) {
if ((brk & 0xe0000000) != (current->mm->brk & 0xe0000000))
return current->mm->brk;
}
return sys_brk(brk);
}
/*
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
@ -234,31 +226,6 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
}
/* Linux version of mmap */
static unsigned long do_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long pgoff)
{
struct file * file = NULL;
unsigned long retval = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
len = PAGE_ALIGN(len);
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(&current->mm->mmap_sem);
retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return retval;
}
asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
@ -266,14 +233,16 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
{
/* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE
we have. */
return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12));
return sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT - 12));
}
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long off)
{
return do_mmap2(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
/* no alignment check? */
return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
}
long sparc_remap_file_pages(unsigned long start, unsigned long size,
@ -287,27 +256,6 @@ long sparc_remap_file_pages(unsigned long start, unsigned long size,
(pgoff >> (PAGE_SHIFT - 12)), flags);
}
extern unsigned long do_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr);
asmlinkage unsigned long sparc_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr)
{
unsigned long ret = -EINVAL;
if (unlikely(sparc_mmap_check(addr, old_len)))
goto out;
if (unlikely(sparc_mmap_check(new_addr, new_len)))
goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
up_write(&current->mm->mmap_sem);
out:
return ret;
}
/* we come to here via sys_nis_syscall so it can setup the regs argument */
asmlinkage unsigned long
c_sys_nis_syscall (struct pt_regs *regs)

50
arch/sparc/kernel/sys_sparc_64.c
View File

@ -317,10 +317,14 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags)
{
unsigned long align_goal, addr = -ENOMEM;
unsigned long (*get_area)(struct file *, unsigned long,
unsigned long, unsigned long, unsigned long);
get_area = current->mm->get_unmapped_area;
if (flags & MAP_FIXED) {
/* Ok, don't mess with it. */
return get_unmapped_area(NULL, orig_addr, len, pgoff, flags);
return get_area(NULL, orig_addr, len, pgoff, flags);
}
flags &= ~MAP_SHARED;
@ -333,7 +337,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
align_goal = (64UL * 1024);
do {
addr = get_unmapped_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags);
addr = get_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags);
if (!(addr & ~PAGE_MASK)) {
addr = (addr + (align_goal - 1UL)) & ~(align_goal - 1UL);
break;
@ -351,7 +355,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
* be obtained.
*/
if (addr & ~PAGE_MASK)
addr = get_unmapped_area(NULL, orig_addr, len, pgoff, flags);
addr = get_area(NULL, orig_addr, len, pgoff, flags);
return addr;
}
@ -399,18 +403,6 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
}
}
SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
{
/* People could try to be nasty and use ta 0x6d in 32bit programs */
if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
return current->mm->brk;
if (unlikely(straddles_64bit_va_hole(current->mm->brk, brk)))
return current->mm->brk;
return sys_brk(brk);
}
/*
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
@ -568,23 +560,13 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, off)
{
struct file * file = NULL;
unsigned long retval = -EBADF;
unsigned long retval = -EINVAL;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
len = PAGE_ALIGN(len);
down_write(&current->mm->mmap_sem);
retval = do_mmap(file, addr, len, prot, flags, off);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
if ((off + PAGE_ALIGN(len)) < off)
goto out;
if (off & ~PAGE_MASK)
goto out;
retval = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
out:
return retval;
}
@ -614,12 +596,6 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
if (test_thread_flag(TIF_32BIT))
goto out;
if (unlikely(new_len >= VA_EXCLUDE_START))
goto out;
if (unlikely(sparc_mmap_check(addr, old_len)))
goto out;
if (unlikely(sparc_mmap_check(new_addr, new_len)))
goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);

1
arch/sparc/kernel/systbls.h
View File

@ -9,7 +9,6 @@
struct new_utsname;
extern asmlinkage unsigned long sys_getpagesize(void);
extern asmlinkage unsigned long sparc_brk(unsigned long brk);
extern asmlinkage long sparc_pipe(struct pt_regs *regs);
extern asmlinkage long sys_ipc(unsigned int call, int first,
unsigned long second,

4
arch/sparc/kernel/systbls_32.S
View File

@ -19,7 +19,7 @@ sys_call_table:
/*0*/ .long sys_restart_syscall, sys_exit, sys_fork, sys_read, sys_write
/*5*/ .long sys_open, sys_close, sys_wait4, sys_creat, sys_link
/*10*/ .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
/*15*/ .long sys_chmod, sys_lchown16, sparc_brk, sys_nis_syscall, sys_lseek
/*15*/ .long sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys_lseek
/*20*/ .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
/*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
@ -67,7 +67,7 @@ sys_call_table:
/*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
/*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
/*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
/*250*/ .long sparc_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy

4
arch/sparc/kernel/systbls_64.S
View File

@ -21,7 +21,7 @@ sys_call_table32:
/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
/*15*/ .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek
/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@ -96,7 +96,7 @@ sys_call_table:
/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
/*15*/ .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek
/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice

5
arch/sparc/lib/mcount.S
View File

@ -64,8 +64,9 @@ mcount:
2: sethi %hi(softirq_stack), %g3
or %g3, %lo(softirq_stack), %g3
ldx [%g3 + %g1], %g7
sub %g7, STACK_BIAS, %g7
cmp %sp, %g7
bleu,pt %xcc, 2f
bleu,pt %xcc, 3f
sethi %hi(THREAD_SIZE), %g3
add %g7, %g3, %g7
cmp %sp, %g7
@ -75,7 +76,7 @@ mcount:
* again, we are already trying to output the stack overflow
* message.
*/
sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough
3: sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough
or %g7, %lo(ovstack), %g7
add %g7, OVSTACKSIZE, %g3
sub %g3, STACK_BIAS + 192, %g3

28
arch/um/kernel/syscall.c
View File

@ -8,6 +8,7 @@
#include "linux/mm.h"
#include "linux/sched.h"
#include "linux/utsname.h"
#include "linux/syscalls.h"
#include "asm/current.h"
#include "asm/mman.h"
#include "asm/uaccess.h"
@ -37,31 +38,6 @@ long sys_vfork(void)
return ret;
}
/* common code for old and new mmaps */
long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
long error = -EBADF;
struct file * file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
goto out;
}
down_write(&current->mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&current->mm->mmap_sem);
if (file)
fput(file);
out:
return error;
}
long old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long offset)
@ -70,7 +46,7 @@ long old_mmap(unsigned long addr, unsigned long len,
if (offset & ~PAGE_MASK)
goto out;
err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
out:
return err;
}

4
arch/um/sys-i386/shared/sysdep/syscalls.h
View File

@ -20,7 +20,3 @@ extern syscall_handler_t *sys_call_table[];
#define EXECUTE_SYSCALL(syscall, regs) \
((long (*)(struct syscall_args)) \
(*sys_call_table[syscall]))(SYSCALL_ARGS(&regs->regs))
extern long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);

6
arch/x86/Kconfig
View File

@ -984,12 +984,6 @@ config X86_CPUID
with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
/dev/cpu/31/cpuid.
config X86_CPU_DEBUG
tristate "/sys/kernel/debug/x86/cpu/* - CPU Debug support"
---help---
If you select this option, this will provide various x86 CPUs
information through debugfs.
choice
prompt "High Memory Support"
default HIGHMEM4G if !X86_NUMAQ

2
arch/x86/Kconfig.cpu
View File

@ -400,7 +400,7 @@ config X86_TSC
config X86_CMPXCHG64
def_bool y
depends on !M386 && !M486
depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM
# this should be set for all -march=.. options where the compiler
# generates cmov.

7
arch/x86/Makefile_32.cpu
View File

@ -46,6 +46,13 @@ cflags-$(CONFIG_MGEODEGX1) += -march=pentium-mmx
# cpu entries
cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686))
# Work around the pentium-mmx code generator madness of gcc4.4.x which
# does stack alignment by generating horrible code _before_ the mcount
# prologue (push %ebp, mov %esp, %ebp) which breaks the function graph
# tracer assumptions. For i686, generic, core2 this is set by the
# compiler anyway
cflags-$(CONFIG_FUNCTION_GRAPH_TRACER) += $(call cc-option,-maccumulate-outgoing-args)
# Bug fix for binutils: this option is required in order to keep
# binutils from generating NOPL instructions against our will.
ifneq ($(CONFIG_X86_P6_NOP),y)

11
arch/x86/ia32/ia32_aout.c
View File

@ -308,14 +308,15 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
if (retval)
return retval;
regs->cs = __USER32_CS;
regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
regs->r13 = regs->r14 = regs->r15 = 0;
/* OK, This is the point of no return */
set_personality(PER_LINUX);
set_thread_flag(TIF_IA32);
clear_thread_flag(TIF_ABI_PENDING);
setup_new_exec(bprm);
regs->cs = __USER32_CS;
regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
regs->r13 = regs->r14 = regs->r15 = 0;
current->mm->end_code = ex.a_text +
(current->mm->start_code = N_TXTADDR(ex));

2
arch/x86/ia32/ia32entry.S
View File

@ -696,7 +696,7 @@ ia32_sys_call_table:
.quad quiet_ni_syscall /* streams2 */
.quad stub32_vfork /* 190 */
.quad compat_sys_getrlimit
.quad sys32_mmap2
.quad sys_mmap_pgoff
.quad sys32_truncate64
.quad sys32_ftruncate64
.quad sys32_stat64 /* 195 */

43
arch/x86/ia32/sys_ia32.c
View File

@ -155,9 +155,6 @@ struct mmap_arg_struct {
asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
{
struct mmap_arg_struct a;
struct file *file = NULL;
unsigned long retval;
struct mm_struct *mm ;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
@ -165,22 +162,8 @@ asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
if (a.offset & ~PAGE_MASK)
return -EINVAL;
if (!(a.flags & MAP_ANONYMOUS)) {
file = fget(a.fd);
if (!file)
return -EBADF;
}
mm = current->mm;
down_write(&mm->mmap_sem);
retval = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags,
return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a.offset>>PAGE_SHIFT);
if (file)
fput(file);
up_write(&mm->mmap_sem);
return retval;
}
asmlinkage long sys32_mprotect(unsigned long start, size_t len,
@ -539,30 +522,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
return ret;
}
asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
struct mm_struct *mm = current->mm;
unsigned long error;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
return -EBADF;
}
down_write(&mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&mm->mmap_sem);
if (file)
fput(file);
return error;
}
asmlinkage long sys32_olduname(struct oldold_utsname __user *name)
{
char *arch = "x86_64";

1
arch/x86/include/asm/amd_iommu.h
View File

@ -32,6 +32,7 @@ extern void amd_iommu_flush_all_domains(void);
extern void amd_iommu_flush_all_devices(void);
extern void amd_iommu_shutdown(void);
extern void amd_iommu_apply_erratum_63(u16 devid);
extern void amd_iommu_init_api(void);
#else
static inline int amd_iommu_init(void) { return -ENODEV; }
static inline void amd_iommu_detect(void) { }

127
arch/x86/include/asm/cpu_debug.h
View File

@ -1,127 +0,0 @@
#ifndef _ASM_X86_CPU_DEBUG_H
#define _ASM_X86_CPU_DEBUG_H
/*
* CPU x86 architecture debug
*
* Copyright(C) 2009 Jaswinder Singh Rajput
*/
/* Register flags */
enum cpu_debug_bit {
/* Model Specific Registers (MSRs) */
CPU_MC_BIT, /* Machine Check */
CPU_MONITOR_BIT, /* Monitor */
CPU_TIME_BIT, /* Time */
CPU_PMC_BIT, /* Performance Monitor */
CPU_PLATFORM_BIT, /* Platform */
CPU_APIC_BIT, /* APIC */
CPU_POWERON_BIT, /* Power-on */
CPU_CONTROL_BIT, /* Control */
CPU_FEATURES_BIT, /* Features control */
CPU_LBRANCH_BIT, /* Last Branch */
CPU_BIOS_BIT, /* BIOS */
CPU_FREQ_BIT, /* Frequency */
CPU_MTTR_BIT, /* MTRR */
CPU_PERF_BIT, /* Performance */
CPU_CACHE_BIT, /* Cache */
CPU_SYSENTER_BIT, /* Sysenter */
CPU_THERM_BIT, /* Thermal */
CPU_MISC_BIT, /* Miscellaneous */
CPU_DEBUG_BIT, /* Debug */
CPU_PAT_BIT, /* PAT */
CPU_VMX_BIT, /* VMX */
CPU_CALL_BIT, /* System Call */
CPU_BASE_BIT, /* BASE Address */
CPU_VER_BIT, /* Version ID */
CPU_CONF_BIT, /* Configuration */
CPU_SMM_BIT, /* System mgmt mode */
CPU_SVM_BIT, /*Secure Virtual Machine*/
CPU_OSVM_BIT, /* OS-Visible Workaround*/
/* Standard Registers */
CPU_TSS_BIT, /* Task Stack Segment */
CPU_CR_BIT, /* Control Registers */
CPU_DT_BIT, /* Descriptor Table */
/* End of Registers flags */
CPU_REG_ALL_BIT, /* Select all Registers */
};
#define CPU_REG_ALL (~0) /* Select all Registers */
#define CPU_MC (1 << CPU_MC_BIT)
#define CPU_MONITOR (1 << CPU_MONITOR_BIT)
#define CPU_TIME (1 << CPU_TIME_BIT)
#define CPU_PMC (1 << CPU_PMC_BIT)
#define CPU_PLATFORM (1 << CPU_PLATFORM_BIT)
#define CPU_APIC (1 << CPU_APIC_BIT)
#define CPU_POWERON (1 << CPU_POWERON_BIT)
#define CPU_CONTROL (1 << CPU_CONTROL_BIT)
#define CPU_FEATURES (1 << CPU_FEATURES_BIT)
#define CPU_LBRANCH (1 << CPU_LBRANCH_BIT)
#define CPU_BIOS (1 << CPU_BIOS_BIT)
#define CPU_FREQ (1 << CPU_FREQ_BIT)
#define CPU_MTRR (1 << CPU_MTTR_BIT)
#define CPU_PERF (1 << CPU_PERF_BIT)
#define CPU_CACHE (1 << CPU_CACHE_BIT)
#define CPU_SYSENTER (1 << CPU_SYSENTER_BIT)
#define CPU_THERM (1 << CPU_THERM_BIT)
#define CPU_MISC (1 << CPU_MISC_BIT)
#define CPU_DEBUG (1 << CPU_DEBUG_BIT)
#define CPU_PAT (1 << CPU_PAT_BIT)
#define CPU_VMX (1 << CPU_VMX_BIT)
#define CPU_CALL (1 << CPU_CALL_BIT)
#define CPU_BASE (1 << CPU_BASE_BIT)
#define CPU_VER (1 << CPU_VER_BIT)
#define CPU_CONF (1 << CPU_CONF_BIT)
#define CPU_SMM (1 << CPU_SMM_BIT)
#define CPU_SVM (1 << CPU_SVM_BIT)
#define CPU_OSVM (1 << CPU_OSVM_BIT)
#define CPU_TSS (1 << CPU_TSS_BIT)
#define CPU_CR (1 << CPU_CR_BIT)
#define CPU_DT (1 << CPU_DT_BIT)
/* Register file flags */
enum cpu_file_bit {
CPU_INDEX_BIT, /* index */
CPU_VALUE_BIT, /* value */
};
#define CPU_FILE_VALUE (1 << CPU_VALUE_BIT)
#define MAX_CPU_FILES 512
struct cpu_private {
unsigned cpu;
unsigned type;
unsigned reg;
unsigned file;
};
struct cpu_debug_base {
char *name; /* Register name */
unsigned flag; /* Register flag */
unsigned write; /* Register write flag */
};
/*
* Currently it looks similar to cpu_debug_base but once we add more files
* cpu_file_base will go in different direction
*/
struct cpu_file_base {
char *name; /* Register file name */
unsigned flag; /* Register file flag */
unsigned write; /* Register write flag */
};
struct cpu_cpuX_base {
struct dentry *dentry; /* Register dentry */
int init; /* Register index file */
};
struct cpu_debug_range {
unsigned min; /* Register range min */
unsigned max; /* Register range max */
unsigned flag; /* Supported flags */
};
#endif /* _ASM_X86_CPU_DEBUG_H */

10
arch/x86/include/asm/elf.h
View File

@ -197,14 +197,8 @@ do { \
set_fs(USER_DS); \
} while (0)
#define COMPAT_SET_PERSONALITY(ex) \
do { \
if (test_thread_flag(TIF_IA32)) \
clear_thread_flag(TIF_ABI_PENDING); \
else \
set_thread_flag(TIF_ABI_PENDING); \
current->personality |= force_personality32; \
} while (0)
void set_personality_ia32(void);
#define COMPAT_SET_PERSONALITY(ex) set_personality_ia32()
#define COMPAT_ELF_PLATFORM ("i686")

1
arch/x86/include/asm/hpet.h
View File

@ -66,6 +66,7 @@
extern unsigned long hpet_address;
extern unsigned long force_hpet_address;
extern int hpet_force_user;
extern u8 hpet_msi_disable;
extern int is_hpet_enabled(void);
extern int hpet_enable(void);
extern void hpet_disable(void);

2
arch/x86/include/asm/irq_vectors.h
View File

@ -113,7 +113,7 @@
*/
#define LOCAL_PENDING_VECTOR 0xec
#define UV_BAU_MESSAGE 0xec
#define UV_BAU_MESSAGE 0xea
/*
* Self IPI vector for machine checks

2
arch/x86/include/asm/kvm_emulate.h
View File

@ -129,7 +129,7 @@ struct decode_cache {
u8 seg_override;
unsigned int d;
unsigned long regs[NR_VCPU_REGS];
unsigned long eip;
unsigned long eip, eip_orig;
/* modrm */
u8 modrm;
u8 modrm_mod;

1
arch/x86/include/asm/kvm_host.h
View File

@ -412,6 +412,7 @@ struct kvm_arch{
unsigned long irq_sources_bitmap;
unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
u64 vm_init_tsc;
s64 kvmclock_offset;
};
struct kvm_vm_stat {

6
arch/x86/include/asm/mce.h
View File

@ -214,5 +214,11 @@ void intel_init_thermal(struct cpuinfo_x86 *c);
void mce_log_therm_throt_event(__u64 status);
#ifdef CONFIG_X86_THERMAL_VECTOR
extern void mcheck_intel_therm_init(void);
#else
static inline void mcheck_intel_therm_init(void) { }
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_X86_MCE_H */

19
arch/x86/include/asm/msr.h
View File

@ -27,6 +27,18 @@ struct msr {
};
};
struct msr_info {
u32 msr_no;
struct msr reg;
struct msr *msrs;
int err;
};
struct msr_regs_info {
u32 *regs;
int err;
};
static inline unsigned long long native_read_tscp(unsigned int *aux)
{
unsigned long low, high;
@ -244,11 +256,14 @@ do { \
#define write_rdtscp_aux(val) wrmsr(0xc0000103, (val), 0)
struct msr *msrs_alloc(void);
void msrs_free(struct msr *msrs);
#ifdef CONFIG_SMP
int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
void rdmsr_on_cpus(const cpumask_t *mask, u32 msr_no, struct msr *msrs);
void wrmsr_on_cpus(const cpumask_t *mask, u32 msr_no, struct msr *msrs);
void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);

Some files were not shown because too many files have changed in this diff Show More