| Commit message (Collapse) | Author | Age | Files | Lines |
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* 'splice-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-block:
splice: fix offset mangling with direct splicing (sendfile)
security: revalidate rw permissions for sys_splice and sys_vmsplice
relay: fixup kerneldoc comment
relay: fix bogus cast in subbuf_splice_actor()
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If the output actor doesn't transfer the full amount of data, we will
increment ppos too much. Two related bugs in there:
- We need to break out and return actor() retval if it is shorted than
what we spliced into the pipe.
- Adjust ppos only according to actor() return.
Also fix loop problem in generic_file_splice_read(), it should not keep
going when data has already been transferred.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Revalidate read/write permissions for splice(2) and vmslice(2), in case
security policy has changed since the files were opened.
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Change comment from kerneldoc to normal.
Signed-off-by: Tom Zanussi <zanussi@us.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The current code that sets the read position in subbuf_splice_actor may
give erroneous results if the buffer size isn't a power of 2. This
patch fixes the problem.
Signed-off-by: Tom Zanussi <zanussi@us.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Workaround for a sparse warning in include/asm-mips/mach-tx4927/ioremap.h
[MIPS] Make show_code static and add __user tag
[MIPS] Workaround for a sparse warning in include/asm-mips/compat.h
[MIPS] Add some __user tags
[MIPS] math-emu minor cleanup
[MIPS] Kill CONFIG_TX4927BUG_WORKAROUND
[MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_FB_XPERT98
[MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1000_SRC_CLK
[MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1000_USE32K
[MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1XXX_PSC_SPI
[CHAR] Delete leftovers of old Alchemy UART driver
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include2/asm/mach-tx49xx/ioremap.h:39:52: warning: cast truncates bits from constant value (fff000000 becomes ff000000)
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Cast to a __user pointer via "unsigned long" to get rid of this warning:
include2/asm/compat.h:135:10: warning: cast adds address space to expression (<asn:1>)
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Declaring emulpc and contpc as "unsigned long" can get rid of some casts.
This also get rid of some sparse warnings.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Kill workarounds for very early chip (perhaps pre-TX4927A).
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Noticed by Robert P. J. Day (rpjday@mindspring.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Noticed by Robert P. J. Day (rpjday@mindspring.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Noticed by Robert P. J. Day (rpjday@mindspring.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Noticed by Robert P. J. Day (rpjday@mindspring.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This reverts commit 904f7a3f042b5c6aa9e53ce83f2c9de5e33170ff.
As noted by Peter Anvin:
"It causes build failures on i386.
Yet another case of unnecessary divergence between i386 and x86-64
I'm afraid..."
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
[PATCH] sched: small topology.h cleanup
[PATCH] sched: fix show_task()/show_tasks() output
[PATCH] sched: remove stale version info from kernel/sched_debug.c
[PATCH] sched: allow larger granularity
[PATCH] sched: fix prio_to_wmult[] for nice 1
[ I re-did the commits to get rid of some bogus merge commit that
Ingo had. - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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trivial cleanup: LOCAL_DISTANCE and REMOTE_DISTANCE are only used in
topology.h and inside an #ifndef section - limit their existence to
that #ifndef.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix show_task()/show_tasks() output:
- there's no sibling info anymore
- the fields were not aligned properly with the description
- get rid of the lazy-TLB output: it's been quite some time since
we last had a bug there, and when we had a bug it wasnt helped a
bit by this debug output.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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kernel/sched_debug.c referred to CFS -v20, but there's no CFS versioning
needed within the upstream kernel.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Allow granularity up to 100 msecs, instead of 10 msecs.
(needed on larger boxes)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There's a typo in the values in prio_to_wmult[] for nice level 1. While
it did not cause bad CPU distribution, but caused more rescheduling
between nice-0 and nice-1 tasks than necessary.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit acb11c8b8020f1f1b2545152020675ef32d09a58.
It was broken. We most certainly *do* want the default to be the old
behaviour (and the common case!), instead of breaking everybodys
configuration and making 99% of all people have to override the default.
What were you guys thinking?
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (149 commits)
USB: ohci-pnx4008: Remove unnecessary cast of return value of kzalloc
USB: additions to the quirk list
usb-storage: implement autosuspend
USB: cdc-acm: add new device id to option driver
USB: goku_udc trivial cleanups
USB: usb gadget stack can now -DDEBUG with Kconfig
usb gadget stack: remove usb_ep_*_buffer(), part 2
usb gadget stack: remove usb_ep_*_buffer(), part 1
USB: pxa2xx_udc -- cleanups, mostly removing dma hooks
USB: pxa2xx_udc: use generic gpio layer
USB: quirk for samsung printer
USB: usb/dma doc updates
USB: drivers/usb/storage/unusual_devs.h whitespace cleanup
USB: remove Makefile reference to obsolete OHCI_AT91
USB: io_*: remove bogus termios no change checks
USB: mos7720: remove bogus no termios change check
USB: visor and whiteheat: remove bogus termios change checks
USB: pl2303: remove bogus checks and fix speed support to use tty_get_baud_rate()
USB: mos7840.c: turn this into a serial driver
USB: make the usb_device numa_node get assigned from controller
...
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Remove unnecessary cast of return value of kzalloc() in
usb/host/ohci-pnx4008.c
Signed-off-by: Suresh Jayaraman <sjayaraman@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this adds some scanners reported to be crashed by autosuspend to
the quirk list.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as930) implements autosuspend for usb-storage. It is
adapted from a patch by Oliver Neukum. Autosuspend is allowed except
during LUN scanning, resets, and command execution.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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USB: add new device id to option driver
device is Samsung X180 China cellphone
Signed-off-by: Andrey Arapov <andrey.arapov@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Minor fixes to goku_udc ... whitespace, let -DDEBUG do its thing,
check the return value of device_register(), sparse tweaks.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Although the other USB driver directories got taught how use Kconfig
and the Makefile to enable the debugging messages enabled by -DDEBUG,
the gadget stack was overlooked.
This patch remedies that omission, but doesn't update any drivers to
remove previous idiosyncracies in this area ... other than the RNDIS
code, which defined its own DEBUG() macro in a broken way.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes controller driver infrastructure which supported
the now-removed usb_ep_{alloc,free}_buffer() calls.
As can be seen, many of the implementations of this were broken to
various degrees. Many didn't properly return dma-coherent mappings;
those which did so were necessarily ugly because of bogosity in the
underlying dma_free_coherent() calls ... which on many platforms
can't be called from the same contexts (notably in_irq) from which
their dma_alloc_coherent() sibling can be called.
The main potential downside of removing this is that gadget drivers
wouldn't have specific knowledge that the controller drivers have:
endpoints that aren't dma-capable don't need any dma mappings at all.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove usb_ep_{alloc,free}_buffer() calls, for small dma-coherent buffers.
This patch just removes the interface and its users; later patches will
remove controller driver support.
- This interface is invariably not implemented correctly in the
controller drivers (e.g. using dma pools, a mechanism which
post-dates the interface by several years).
- At this point no gadget driver really *needs* to use it. In
current kernels, any driver that needs such a mechanism could
allocate a dma pool themselves.
Removing this interface is thus a simplification and improvement.
Note that the gmidi.c driver had a bug in this area; fixed.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Cleanups to the pxa2xx_udc code:
- Primarily removing unused DMA hooks.
- One "sparse" warning removed
- Remove some Lubbock-only LED hooks (for debugging)
That DMA code was never really completed. It worked, mostly, for IN
transfers (to the host) if they were fortuitously aligned, but that
code was never fully tested. And it was never coded for OUT transfers
(which is where DMA would really help) ... because of chip errata on
essentially every chip other than the pxa255, and because of design
botches (nothing automated data toggle). So it's effectively been
dead code for several years now ... no point in keeping it around.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch lets the pxa2xx_udc use the generic gpio layer,
on the relevant PXA and IXP systems.
Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this printer does not survive suspension.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch updates some of the documentation about DMA buffer management
for USB, and ways to avoid extra copying. Our understanding of the issues
has improved over time.
- Most drivers should *avoid* the dma-coherent allocators. There are
a few exceptions (like the HID driver).
- Some methods are currently commented out; it seems folk writing
USB drivers aren't doing performance tuning at that level yet.
- Just avoid highmem; there's no good way to pass an "I can do highmem
DMA" capability through a driver stack. This is easy, everything
already avoids highmem. But it'd be nice if x86_32 systems with much
physical memory could use it directly with network adapters and mass
storage devices. (Patch, anyone?)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Following patch removes trailing whitespaces at the ends of lines and converts
smarttabs/whitespaces into real tabs.
Signed-off-by: S.Caglar Onur <caglar@pardus.org.tr>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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tty_get_baud_rate()
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The MOS driver is "interesting", in a bad kind of 'how the hell did this
get merged' kind of way
- Remove the bogus termios change check
- Remove the duplicate code for half the ioctls
- Remove the supporting code to duplicate the ioctl code
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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So we can use dev_to_node(&usb_dev->dev) later in kmalloc_node to dma buffer
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Cc: Andi Kleen <ak@suse.de>
Acked-by: Christoph Lameter <clameter@sgi.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix an oops that happens in relation with applying work arounds for buggy
ftdi_sio devices. The quirks were handled too early because due to changes in
the initialisation of usb serial devices the device was not fully initialised
when the old hook was called.
Addresses bug 8564
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Low performance USB storage driver: Use list_for_each_entry() instead
of list_for_each()
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Generally, Jens Axboe was against 'default y', so I'll have some patches to
remove it.
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make usb autosuspend timers 1sec jiffy aligned.
This helps to reduce the frequency at which the CPU must be taken out of a
lower-power state.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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