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Not all 64-bit systems require ISA-style DMA, so allow it to be
configurable. x86 utilizes the generic ISA DMA allocator from
kernel/dma.c, so require it only when CONFIG_ISA_DMA_API is enabled.
Disabling CONFIG_ISA_DMA_API is dependent on x86_64 since those machines
do not have ISA slots and benefit the most from disabling the option (and
on CONFIG_EXPERT as required by H. Peter Anvin).
When disabled, this also avoids declaring claim_dma_lock(),
release_dma_lock(), request_dma(), and free_dma() since those interfaces
will no longer be provided.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The generic floppy disk driver utilizies the interface provided by
CONFIG_ISA_DMA_API, specifically claim_dma_lock(), release_dma_lock(),
request_dma(), and free_dma(). Thus, there's a strict dependency on the
config option and the driver should only be loaded if the kernel supports
ISA-style DMA.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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8237A utilizes the interface provided by CONFIG_ISA_DMA_API, specifically
claim_dma_lock() and release_dma_lock(). Thus, there's a strict
dependency on the config option and the module should only be loaded if
the kernel supports ISA-style DMA.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The oops=panic cmdline option is not x86 specific, move it to generic code.
Update documentation.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All architectures can use the common dma_addr_t typedef now. We can
remove the arch specific dma_addr_t.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 6caa76b ("tty: now phase out the ioctl file pointer for good")
removed the ioctl file pointer. User Mode Linux's line driver uses this
ioctl and needs a signature update too.
Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <greg@kroah.com>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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One of our users reported that when a user-level program SIGSEGVs under
UML kernel, the resulting core dump is not very usable.
I have reproduced that with the latest kernel:
make ARCH=um defconfig; make ARCH=um
Run the resulting kernel, then "inside" run this program:
#include <pthread.h>
void *fn(void *p)
{
abort();
}
int main()
{
pthread_t tid;
pthread_create(&tid, 0, fn, 0);
pthread_join(tid, 0);
return 0;
}
Analyze the coredump with GDB. Here is what you'll see:
sudo gdb -q -ex 'set solib-absolute-prefix ../root_fs' -ex 'file ../root_fs/var/tmp/mt-abort' -ex 'core ../root_fs/var/tmp/core.762'
Reading symbols from /usr/local/google/root_fs/var/tmp/mt-abort...done.
[New Thread 763]
[New Thread 762]
Core was generated by `./mt-abort'.
Program terminated with signal 6, Aborted.
#0 0x0000000040255250 in raise () from ../root_fs/lib64/libc.so.6
(gdb) info thread
2 Thread 762 0x0000000000000000 in ?? ()
* 1 Thread 763 0x0000000040255250 in raise () from ../root_fs/lib64/libc.so.6
Note that thread#2 looks funny.
(gdb) thread 2
[Switching to thread 2 (Thread 762)]#0 0x0000000000000000 in ?? ()
(gdb) info reg
rax 0x0 0
rbx 0x0 0
rcx 0x0 0
rdx 0x0 0
rsi 0x0 0
rdi 0x0 0
rbp 0x0 0x0
rsp 0x0 0x0
r8 0x0 0
r9 0x0 0
r10 0x0 0
r11 0x0 0
r12 0x0 0
r13 0x0 0
r14 0x0 0
r15 0x0 0
rip 0x0 0
eflags 0x0 [ ]
cs 0x0 0
ss 0x0 0
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
Examining the core shows that NT_PRSTATUS notes for all threads other than
the one that crashed are zeroed out.
I believe this is happening because neither ELF_CORE_COPY_TASK_REGS nor
task_pt_regs are defined under ARCH=um, and so elf_core_copy_task_regs()
becomes a no-op.
Attached patch fixes this for SUBARCH={x86_64,i386}.
Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com>
Cc: Jeff Dike <jdike@addtoit.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a node parameter to alloc_thread_info(), and change its name to
alloc_thread_info_node()
This change is needed to allow NUMA aware kthread_create_on_cpu()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All kthreads being created from a single helper task, they all use memory
from a single node for their kernel stack and task struct.
This patch suite creates kthread_create_on_cpu(), adding a 'cpu' parameter
to parameters already used by kthread_create().
This parameter serves in allocating memory for the new kthread on its
memory node if available.
Users of this new function are : ksoftirqd, kworker, migration, pktgend...
This patch:
Add a node parameter to alloc_task_struct(), and change its name to
alloc_task_struct_node()
This change is needed to allow NUMA aware kthread_create_on_cpu()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
xen: update mask_rw_pte after kernel page tables init changes
xen: set max_pfn_mapped to the last pfn mapped
x86: Cleanup highmap after brk is concluded
Fix up trivial onflict (added header file includes) in
arch/x86/mm/init_64.c
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* 'next-samsung' of git://git.fluff.org/bjdooks/linux:
ARM: H1940/RX1950: Change default LED triggers
ARM: S3C2442: RX1950: Add support for LED blinking
ARM: S3C2442: RX1950: Retain LEDs state in suspend
ARM: S3C2410: H1940: Fix lcd_power_set function
ARM: S3C2410: H1940: Add battery support
ARM: S3C2410: H1940: Use leds-gpio driver for LEDs managing
ARM: S3C2410: H1940: Make h1940-bluetooth.c compile again
ARM: S3C2410: H1940: Add keys device
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* 'for-linus/2639/i2c-2' of git://git.fluff.org/bjdooks/linux:
i2c-pxa2xx: Don't clear isr bits too early
i2c-pxa2xx: Fix register offsets
i2c-pxa2xx: pass of_node from platform driver to adapter and publish
i2c-pxa2xx: check timeout correctly
i2c-pxa2xx: add support for shared IRQ handler
i2c-pxa2xx: Add PCI support for PXA I2C controller
ARM: pxa2xx: reorganize I2C files
i2c-pxa2xx: use dynamic register layout
i2c-mxs: set controller to pio queue mode after reset
i2c-eg20t: support new device OKI SEMICONDUCTOR ML7213 IOH
i2c/busses: Add support for Diolan U2C-12 USB-I2C adapter
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Change LED triggers to mimic WinMobile behavior:
red blinking when battery is charging,
orange solid when battery is charged.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
FS: lookup_mnt() is only used in the core fs routines now
bfs: fix bitmap size argument to find_first_zero_bit()
fs: Use BUG_ON(!mnt) at dentry_open().
fs: devpts_pty_new() return -ENOMEM if dentry allocation failed
nfs: lock() vs unlock() typo
pstore: fix leaking ->i_private
introduce sys_syncfs to sync a single file system
Small typo fix...
Filesystem: fifo: Fixed coding style issue.
fs/inode: Fix kernel-doc format for inode_init_owner
select: remove unused MAX_SELECT_SECONDS
vfs: cleanup do_vfs_ioctl()
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
[PARISC] Convert to new irq_chip functions
[PARISC] fix per-cpu flag problem in the cpu affinity checkers
[PARISC] fix vmap flush/invalidate
eliminate special FLUSH flag from page table
parisc: flush pages through tmpalias space
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: Add {open_by,name_to}_handle_at and clock_adjtime syscalls.
sparc: Implement of_iomap().
sparc: Implement of_address_to_resource().
sparc: Provide NO_IRQ definition.
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/ptrace: Remove BUG_ON when full register set not available
powerpc: Factoring mpic cpu id fetching into a function
powerpc: Make MPIC honor the "pic-no-reset" device tree property
powerpc: Document the Open PIC device tree binding
powerpc/pci: Fix crash in PCI code on ppc64 when matching device nodes
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This patch moves the platform data definition from
arch/arm/plat-pxa/include/plat/i2c.h to include/linux/i2c/pxa-i2c.h so
it can be accessed from x86 the same way as on ARM.
This change should make no functional change to the PXA code. The move
is verified by building the following defconfigs:
cm_x2xx_defconfig corgi_defconfig em_x270_defconfig ezx_defconfig
imote2_defconfig pxa3xx_defconfig spitz_defconfig zeus_defconfig
raumfeld_defconfig magician_defconfig mmp2_defconfig pxa168_defconfig
pxa910_defconfig
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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It is frequently useful to sync a single file system, instead of all
mounted file systems via sync(2):
- On machines with many mounts, it is not at all uncommon for some of
them to hang (e.g. unresponsive NFS server). sync(2) will get stuck on
those and may never get to the one you do care about (e.g., /).
- Some applications write lots of data to the file system and then
want to make sure it is flushed to disk. Calling fsync(2) on each
file introduces unnecessary ordering constraints that result in a large
amount of sub-optimal writeback/flush/commit behavior by the file
system.
There are currently two ways (that I know of) to sync a single super_block:
- BLKFLSBUF ioctl on the block device: That also invalidates the bdev
mapping, which isn't usually desirable, and doesn't work for non-block
file systems.
- 'mount -o remount,rw' will call sync_filesystem as an artifact of the
current implemention. Relying on this little-known side effect for
something like data safety sounds foolish.
Both of these approaches require root privileges, which some applications
do not have (nor should they need?) given that sync(2) is an unprivileged
operation.
This patch introduces a new system call syncfs(2) that takes an fd and
syncs only the file system it references. Maybe someday we can
$ sync /some/path
and not get
sync: ignoring all arguments
The syscall is motivated by comments by Al and Christoph at the last LSF.
syncfs(2) seems like an appropriate name given statfs(2).
A similar ioctl was also proposed a while back, see
http://marc.info/?l=linux-fsdevel&m=127970513829285&w=2
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (25 commits)
video: change to new flag variable
scsi: change to new flag variable
rtc: change to new flag variable
rapidio: change to new flag variable
pps: change to new flag variable
net: change to new flag variable
misc: change to new flag variable
message: change to new flag variable
memstick: change to new flag variable
isdn: change to new flag variable
ieee802154: change to new flag variable
ide: change to new flag variable
hwmon: change to new flag variable
dma: change to new flag variable
char: change to new flag variable
fs: change to new flag variable
xtensa: change to new flag variable
um: change to new flag variables
s390: change to new flag variable
mips: change to new flag variable
...
Fix up trivial conflict in drivers/hwmon/Makefile
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* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
asm-generic: support clock_adjtime() in <asm-generic/unistd.h>
arch/tile: fix futex sanitization definition/prototype mismatch
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In some cases during a threaded core dump not all the threads will have
a full register set. This happens when the signal causing the core dump
races with a thread exiting. The race happens when the exiting thread
has entered the kernel for the last time before the signal arrives, but
doesn't get far enough through the exit code to avoid being included
in the core dump.
So we get a thread included in the core dump which is never going to go
out to userspace again and only has a partial register set recorded
Normally we would catch each thread as it is about to go into userspace
and capture the full register set then.
However, this exiting thread is never going to go out to userspace
again, so we have no way to capture its full register set. It doesn't
really matter, though, as this is a thread which is effectively
already dead.
So instead of hitting a BUG() in this case (a really bad choice of
action in the first place), we use a poison value for the register
values.
[BenH]: Some cosmetic/stylistic changes and fix build on ppc32
Signed-off-by: Mike Wolf <mjw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The following code snippet:
unsigned int cpu = 0;
if (mpic->flags & MPIC_PRIMARY)
cpu = hard_smp_processor_id();
is seen in several places in the 'mpic.c' code. This changeset factors
that pattern out into a helper function called 'mpic_processor_id'.
Signed-off-by: Meador Inge <meador_inge@mentor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This property, defined in the Open PIC binding, tells the kernel not to use
the reset bit in the global configuration register. Additionally, its
presence mandates that only sources which are actually used (i.e. appear in
the device tree) should have their VECPRI bits initialized.
Although, "pic-no-reset" can be used for the same use cases that
"protected-sources" is covering, the "protected-sources" implementation was
left completely intact. This is a more pragmatic approach as there are
already several existing systems which use protected sources. If
"pic-no-reset" *and* "protected-sources" are both used, however, then
"pic-no-reset" takes precedence in terms of the init behavior and the
sanity checks done by protected sources will still take place.
Signed-off-by: Meador Inge <meador_inge@mentor.com>
Cc: Hollis Blanchard <hollis_blanchard@mentor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Commit b5d937de0367d26f65b9af1aef5f2c34c1939be0 has a bug which causes
basically a NULL dereference in the PCI code during boot on ppc64
machines.
fetch_dev_dn() is called when dev->dev.of_node is NULL, so using that
as the starting point for the search makes no sense. It should instead
start from the device node of the PHB.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Add .gpio_set_blink callback to support HW blinking
available on RX1950
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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s3c_adc_battery uses LEDs to indicate charging process,
retain LEDs state in suspend, otherwise user have no information if PDA
battery is charging after he put it to suspend.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Current implementation of lcd_power_set is not reliable, sometimes
it does not enable LCD at all.
Mimic WinCE behavior to fix this issue.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add battery monitoring/charging support via pda_power and
s3c_adc_battery drivers
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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We can use generic leds-gpio driver, as latch api was converted
to gpiolib.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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It was broken by removal of rfkill_set_led_trigger_name function,
and now compiler complains about implicit declaration.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add buttons definition for H1940.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (64 commits)
Input: tsc2005 - remove 'disable' sysfs attribute
Input: tsc2005 - add open/close
Input: tsc2005 - handle read errors from SPI layer
Input: tsc2005 - do not rearm timer in hardirq handler
Input: tsc2005 - don't use work for 'pen up' handling
Input: tsc2005 - do not use 0 in place of NULL
Input: tsc2005 - use true/false for boolean variables
Input: tsc2005 - hide selftest attribute if we can't reset
Input: tsc2005 - rework driver initialization code
Input: tsc2005 - set up bus type in input device
Input: tsc2005 - set up parent device
Input: tsc2005 - clear driver data after unbinding
Input: tsc2005 - add module description
Input: tsc2005 - remove driver banner message
Input: tsc2005 - remove incorrect module alias
Input: tsc2005 - convert to using dev_pm_ops
Input: tsc2005 - use spi_get/set_drvdata()
Input: introduce tsc2005 driver
Input: xen-kbdfront - move to drivers/input/misc
Input: xen-kbdfront - add grant reference for shared page
...
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Commit 8d7718aa082aaf30a0b4989e1f04858952f941bc changed "int"
to "u32" in the prototypes but not the definition.
I missed this when I saw the patch go by on LKML.
We cast "u32 *" to "int *" since we are tying into the underlying
atomics framework, and atomic_t uses int as its value type.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Reviewed-by: Michel Lespinasse <walken@google.com>
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After "x86-64, mm: Put early page table high" already existing kernel
page table pages can be mapped using early_ioremap too so we need to
update mask_rw_pte to make sure these pages are still mapped RO.
The reason why we have to do that is explain by the commit message of
fef5ba797991f9335bcfc295942b684f9bf613a1:
"Xen requires that all pages containing pagetable entries to be mapped
read-only. If pages used for the initial pagetable are already mapped
then we can change the mapping to RO. However, if they are initially
unmapped, we need to make sure that when they are later mapped, they
are also mapped RO.
..SNIP..
the pagetable setup code early_ioremaps the pages to write their
entries, so we must make sure that mappings created in the early_ioremap
fixmap area are mapped RW. (Those mappings are removed before the pages
are presented to Xen as pagetable pages.)"
We accomplish all this in mask_rw_pte by mapping RO all the pages mapped
using early_ioremap apart from the last one that has been allocated
because it is not a page table page yet (it has not been hooked into the
page tables yet).
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
LKML-Reference: <alpine.DEB.2.00.1103171739050.3382@kaball-desktop>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Do not set max_pfn_mapped to the end of the initial memory mappings,
that also contain pages that don't belong in pfn space (like the mfn
list).
Set max_pfn_mapped to the last real pfn mapped in the initial memory
mappings that is the pfn backing _end.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
LKML-Reference: <alpine.DEB.2.00.1103171739050.3382@kaball-desktop>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Now cleanup_highmap actually is in two steps: one is early in head64.c
and only clears above _end; a second one is in init_memory_mapping() and
tries to clean from _brk_end to _end.
It should check if those boundaries are PMD_SIZE aligned but currently
does not.
Also init_memory_mapping() is called several times for numa or memory
hotplug, so we really should not handle initial kernel mappings there.
This patch moves cleanup_highmap() down after _brk_end is settled so
we can do everything in one step.
Also we honor max_pfn_mapped in the implementation of cleanup_highmap.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
LKML-Reference: <alpine.DEB.2.00.1103171739050.3382@kaball-desktop>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits)
mmc: dw_mmc: support mmc power control with regulator
mmc: dw_mmc: fix suspend/resume operation
mmc: dw_mmc: add quirks for unreliable card detect, and capabilities
mmc: tmio: fix address in kunmap_atomic() calls
mmc: core: reset card voltage after power off
mmc: core: export function mmc_do_release_host()
mmc: sdio: remember new card RCA when redetecting card
mmc: dw_mmc: Remove set-but-unused variable.
mmc: sdhci-esdhc-imx: add card detect on custom GPIO for mx25/35
mmc: sdhci-esdhc: broken card detection is not a default quirk
mmc: sdhci-esdhc-imx: add write protect on custom GPIO on mx25/35
mmc: msm_sdcc: remove needless cache flush after dma_unmap_sg()
mmc: sh_mmcif: support aggressive clock gating
mmc: check if mmc cards < 2GB do sector addressing
mmc: core: comment on why sdio_reset is done at init time
mmc: dw_mmc: support DDR mode
mmc: via-sdmmc: Remove set-but-unused variable.
mmc: cb710: Return err value in cb710_wait_while_busy()
mmc: sdhci-pci: Remove set-but-unused variable.
mmc: mxs-mmc: add mmc host driver for i.MX23/28
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300:
MN10300: Clear ASB2364 peripheral interrupt masks before enabling interrupts
MN10300: Fix the ASB2364 gdbport UART register defs
MN10300: Fix ASB2364 FPGA register defs
MN10300: Select GENERIC_HARDIRQS_NO_DEPRECATED
MN10300: Select HAVE_GENERIC_HARDIRQS rather than GENERIC_HARDIRQS
MN10300: Convert ASB2364 FPGA irq_chip to new functions
MN10300: Convert ipi irq_chip to new functions
MN10300: Convert serial irq_chip to new functions
MN10300: Convert cpu irq_chips to new functions
MN10300: Remove unused mn10300_intc_* functions
MN10300: Remove stale irq_chip.end - V2
MN10300: Use clockevents_calc_mult_shift()
MN10300: Use clocksource_register_hz()
MN10300: Remove stale code
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (32 commits)
Blackfin: ip0x: fix unused variable warning
Blackfin: punt unused HDMA masks
Blackfin: wire up new syscalls
Blackfin/ipipe: restore pipeline bits in irqflags
Blackfin/ipipe: fix deferred pipeline sync for the root stage
Blackfin/ipipe: upgrade to I-pipe mainline
Blackfin: cpufreq: fix typos
Blackfin: enable GENERIC_HARDIRQS_NO_DEPRECATED
Blackfin: SMP: convert to irq chip functions
Blackfin: use accessor functions in show_interrupts()
Blackfin: use proper wrapper functions for modifying irq status
Blackfin: convert gpio irq_chip to new functions
Blackfin: convert mac irq_chip to new functions
Blackfin: convert error irq_chip to new functions
Blackfin: convert internal irq_chip to new functions
Blackfin: convert core irq_chip to new functions
Blackfin: use proper wrappers for irq_desc
Blackfin: optimize startup code
Blackfin: SMP: work around anomaly 05000491
Blackfin: SMP: implement cpu_freq support
...
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Grab the pre-computed resource and map using of_ioremap().
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similarly to irq_of_parse_and_map(), find the platform_device
object and return the pre-computed resource.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: label: remove #include of ACPI header to avoid warnings
PCI: label: Fix compilation error when CONFIG_ACPI is unset
PCI: pre-allocate additional resources to devices only after successful allocation of essential resources.
PCI: introduce reset_resource()
PCI: data structure agnostic free list function
PCI: refactor io size calculation code
PCI: do not create quirk I/O regions below PCIBIOS_MIN_IO for ICH
PCI hotplug: acpiphp: set current_state to D0 in register_slot
PCI: Export ACPI _DSM provided firmware instance number and string name to sysfs
PCI: add more checking to ICH region quirks
PCI: aer-inject: Override PCIe AER Mask Registers
PCI: fix tlan build when CONFIG_PCI is not enabled
PCI: remove quirk for pre-production systems
PCI: Avoid potential NULL pointer dereference in pci_scan_bridge
PCI/lpc: irq and pci_ids patch for Intel DH89xxCC DeviceIDs
PCI: sysfs: Fix failure path for addition of "vpd" attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (308 commits)
ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl
ALSA: aloop - Fix possible IRQ lock inversion
ALSA: sound/core: merge list_del()/list_add_tail() to list_move_tail()
ALSA: ctxfi - use list_move() instead of list_del()/list_add() combination
ALSA: firewire - msleep needs delay.h
ALSA: firewire-lib, firewire-speakers: handle packet queueing errors
ALSA: firewire-lib: allocate DMA buffer separately
ALSA: firewire-lib: use no-info SYT for packets without SYT sample
ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver
ALSA: hda - Remove an unused variable in patch_realtek.c
ALSA: hda - pin-adc-mux-dmic auto-configuration of 92HD8X codecs
ALSA: hda - fix digital mic selection in mixer on 92HD8X codecs
ALSA: hda - Move default input-src selection to init part
ALSA: hda - Initialize special cases for input src in init phase
ALSA: ctxfi - Clear input settings before initialization
ALSA: ctxfi - Fix SPDIF status retrieval
ALSA: ctxfi - Fix incorrect SPDIF status bit mask
ALSA: ctxfi - Fix microphone boost codes/comments
ALSA: atiixp - Fix wrong time-out checks during ac-link reset
ALSA: intel8x0m: append 'm' to "r_intel8x0"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Flush TLB if PGD entry is changed in i386 PAE mode
x86, dumpstack: Correct stack dump info when frame pointer is available
x86: Clean up csum-copy_64.S a bit
x86: Fix common misspellings
x86: Fix misspelling and align params
x86: Use PentiumPro-optimized partial_csum() on VIA C7
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
genirq: Fix incorrect unlock in __setup_irq()
cris: Use generic show_interrupts()
genirq: show_interrupts: Check desc->name before printing it blindly
cris: Use accessor functions to set IRQ_PER_CPU flag
cris: Fix irq conversion fallout
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched, kernel-doc: Fix runqueue_is_locked() description
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits)
trace, filters: Initialize the match variable in process_ops() properly
trace, documentation: Fix branch profiling location in debugfs
oprofile, s390: Cleanups
oprofile, s390: Remove hwsampler_files.c and merge it into init.c
perf: Fix tear-down of inherited group events
perf: Reorder & optimize perf_event_context to remove alignment padding on 64 bit builds
perf: Handle stopped state with tracepoints
perf: Fix the software events state check
perf, powerpc: Handle events that raise an exception without overflowing
perf, x86: Use INTEL_*_CONSTRAINT() for all PEBS event constraints
perf, x86: Clean up SandyBridge PEBS events
perf lock: Fix sorting by wait_min
perf tools: Version incorrect with some versions of grep
perf evlist: New command to list the names of events present in a perf.data file
perf script: Add support for H/W and S/W events
perf script: Add support for dumping symbols
perf script: Support custom field selection for output
perf script: Move printing of 'common' data from print_event and rename
perf tracing: Remove print_graph_cpu and print_graph_proc from trace-event-parse
perf script: Change process_event prototype
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