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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bug is in the code in bnx2_set_power_state() that assumes copper
devices when setting up WoL. This is no longer true after adding WoL
support for Serdes devices.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This firmware update fixes a problem running with IPMI management
firmware.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
net: libertas sdio driver
mmc: at91_mci: cleanup: use MCI_ERRORS
mmc: possible leak in mmc_read_ext_csd
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Add driver for Marvell's Libertas 8385 and 8686 wifi chips.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Acked-by: Dan Williams <dcbw@redhat.com>
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* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits)
x86: delete vsyscall files during make clean
kbuild: fix typo SRCARCH in find_sources
x86: fix kernel rebuild due to vsyscall fallout
.gitignore update for x86 arch
x86: unify include/asm/debugreg_32/64.h
x86: unify include/asm/unwind_32/64.h
x86: unify include/asm/types_32/64.h
x86: unify include/asm/tlb_32/64.h
x86: unify include/asm/siginfo_32/64.h
x86: unify include/asm/bug_32/64.h
x86: unify include/asm/mman_32/64.h
x86: unify include/asm/agp_32/64.h
x86: unify include/asm/kdebug_32/64.h
x86: unify include/asm/ioctls_32/64.h
x86: unify include/asm/floppy_32/64.h
x86: apply missing DMA/OOM prevention to floppy_32.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/cache_32/64.h
x86: unify include/asm/dmi_32/64.h
x86: unify include/asm/delay_32/64.h
...
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A small MMC driver cleanup.
Use the defined AT91_MCI_ERRORS in at91_mci_completed_command() instead
of specifying all the error bits individually.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The exception path associated with an invalid ext_csd_struct returns
without freeing ext_csd.
Coverity CID 1909.
Signed-off-by: Florin Malita
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block:
[BLOCK] blk_rq_map_sg() next_sg fixup
Revert "[SCSI] Remove full sg table memset()"
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Create an inline function for clflush(), with the proper arguments,
and use it instead of hard-coding the instruction.
This also removes one instance of hard-coded wbinvd, based on a patch
by Bauder de Oliveira Costa.
[ tglx: arch/x86 adaptation ]
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Remove rogue default m in drivers/video/Kconfig
default m is near always wrong, like here. For some reason ACPI
likes to reintroduce these and I like to immediately squash them again
before they pollute too many .configs.
Cc: len.brown@intel.com
Cc: luming.yu@gmail.com
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* 'xen-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
xfs: eagerly remove vmap mappings to avoid upsetting Xen
xen: add some debug output for failed multicalls
xen: fix incorrect vcpu_register_vcpu_info hypercall argument
xen: ask the hypervisor how much space it needs reserved
xen: lock pte pages while pinning/unpinning
xen: deal with stale cr3 values when unpinning pagetables
xen: add batch completion callbacks
xen: yield to IPI target if necessary
Clean up duplicate includes in arch/i386/xen/
remove dead code in pgtable_cache_init
paravirt: clean up lazy mode handling
paravirt: refactor struct paravirt_ops into smaller pv_*_ops
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A bit too eager - we definitely need to clear the sg table
initially, so that we don't accidentally have ->page & 0x01
true and think that is a chain pointer.
This reverts commit f5c0dde4c66421a3a2d7d6fa604a712c9b0744e5.
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* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block:
[SCSI] Remove full sg table memset()
[SCSI] ide-scsi: remove usage of sg_last()
Fix loop terminating conditions in fill_sg().
[BLOCK] Clear sg entry before filling in blk_rq_map_sg()
IA64: iommu uses sg_next with an invalid sg element
cciss: disable DMA refetch on Smart Array P600
swiotlb: fix map_sg failure handling
SPARC64: fix iommu sg chaining
[SCSI] ide-scsi: use scsi_sg_count() instead of ->use_sg
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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (24 commits)
[POWERPC] Fix vmemmap warning in init_64.c
[POWERPC] Fix 64 bits vDSO DWARF info for CR register
[POWERPC] Add 1TB workaround for PA6T
[POWERPC] Enable NO_HZ and high res timers for pseries and ppc64 configs
[POWERPC] Quieten cache information at boot
[POWERPC] Quieten clockevent printk
[POWERPC] Enable SLUB in *_defconfig
[POWERPC] Fix 1TB segment detection
[POWERPC] Fix iSeries_hpte_insert prototype
[POWERPC] Fix copyright symbol
[POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers
[POWERPC] ibmebus: Add device creation and bus probing based on of_device
[POWERPC] ibmebus: Remove bus match/probe/remove functions
[POWERPC] Move of_device allocation into of_device.[ch]
[POWERPC] mpc52xx: device tree changes for FEC and MDIO
[POWERPC] bestcomm: GenBD task support
[POWERPC] bestcomm: FEC task support
[POWERPC] bestcomm: ATA task support
[POWERPC] bestcomm: core bestcomm support for Freescale MPC5200
[POWERPC] mpc52xx: Update mpc52xx_psc structure with B revision changes
...
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* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
Remove magic macros for screen_info structure members
[x86] remove uses of magic macros for boot_params access
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This patch contains the following cleanups that are now possible:
- remove the unused security_operations->inode_xattr_getsuffix
- remove the no longer used security_operations->unregister_security
- remove some no longer required exit code
- remove a bunch of no longer used exports
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add PNP debug message when adding a device, remove similar PNPACPI message
with less information.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hoist the struct pnp_dev alloc up into the function where it's used.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use dev_info() for a little consistency. Changes this:
pnp: 00:01: ioport range 0xf50-0xf58 has been reserved
pnp: 00:01: ioport range 0x408-0x40f has been reserved
pnp: 00:01: ioport range 0x900-0x903 has been reserved
to this:
system 00:01: ioport range 0xf50-0xf58 has been reserved
system 00:01: ioport range 0x408-0x40f has been reserved
system 00:01: ioport range 0x900-0x903 has been reserved
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If we have the struct pnp_dev available, we can use dev_info(), dev_err(),
etc., to give a little more information and consistency.
[akpm@linux-foundation.org: fix warning]
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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No functional change; just return errors early instead of putting the main
part of the function inside an "if" statement.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove some null pointer checks. Null pointers in these areas indicate
programming errors, and I think it's better to oops immediately rather than
return an error that is easily ignored.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Workaround for broken systems with BIOS that makes RTC interrupt level
triggered and/or active low.
See http://bugzilla.kernel.org/show_bug.cgi?id=5243
Based on the patch from Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl>
Cc: "Li, Shaohua" <shaohua.li@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Most drivers for devices supporting ISA DMA can operate without DMA as well
(falling back zo PIO). Thus it seems inappropriate for PNP to fail device
initialization in case none of the possible DMA channels are available.
Instead, it should be left to the driver to decide what to do if
request_dma() fails.
The patch at once adjusts the code to account for the fact that
pnp_assign_dma() now doesn't need to report failure anymore.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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pnpacpi_suspend() doesn't check the result returned by
acpi_pm_device_sleep_state() before passing it to acpi_bus_set_power(),
which may not be desirable. Make it select the target power state of the
device using its second argument if acpi_pm_device_sleep_state() fails.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Looks-ok-to: Pavel Machek <pavel@ucw.cz>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The floppy drive is slow. These days I see absolutely no good reason why the
floppy driver should try to gain a tiny bit of speed by telling gcc to
optimize access to some variables via the register keyword. Better to just
leave gcc free to do whatever optimizations it deduces to be sane and not
hamper it by telling it that some variables in the floppy driver are special
and need to be fast (they don't).
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A good initial step for a cleanup seems to me to be getting rid of old dead
code. This stuff is either commented out or inside '#if 0' so it is not
currently in use at all, let's just get rid of it once and for all. That's a
few lines less to deal with.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Yes, some of this will likely be replaced in later patches, but I do not see
anyone else coming out of the woodwork with any patches for this driver, so
I'll ignore comments about churn. I want to get this driver cleaned up, and
if I'm going to do so I want to start with this basic style cleanup to reduce
the reading pain a bit.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Whenever a read error is found, we should attempt to overwrite with correct
data to 'fix' it.
However when do a 'check' pass (which compares data blocks that are
successfully read, but doesn't normally overwrite) we don't do that. We
should.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The 'degraded' attribute is useful to quickly determine if the array is
degraded, instead of parsing 'mdadm -D' output or relying on the other
techniques (number of working devices against number of defined devices,
etc.). The md code already keeps track of this attribute, so it's useful to
export it.
Signed-off-by: Iustin Pop <iusty@k1024.org>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When an array is started read-only, MD_RECOVERY_NEEDED can be set but no
recovery will be running. This causes 'sync_action' to report the wrong
value.
We could remove the test for MD_RECOVERY_NEEDED, but doing so would leave a
small gap after requesting a sync action, where 'sync_action' would still
report the old value.
So make sure that for a read-only array, 'sync_action' always returns 'idle'.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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http://bugzilla.kernel.org/show_bug.cgi?id=3277
There is a seq_printf here that isn't being passed a 'seq'. Howeve as the
code is inside #ifdef MD_DEBUG, nobody noticed.
Also remove some extra spaces.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In current release kernels the md module (Software RAID) uses a static
array (dev_t[128]) to store partition/device info temporarily for
autostart.
I discovered this (and that the devices are added as disks/partitions are
discovered at boot) while I was debugging why only one of my MD arrays would
come up whole, while all the others were short a disk.
I eventually discovered that it was enumerating through all of 9 of my 11 hds
(2 had only 4 partitions apiece) while the other 9 have 15 partitions (I
wanted 64 per drive...). The last partition of the 8th drive in my 9 drive
raid 5 sets wasn't added, thus making the final md array short both a parity
and data disk, and it was started later, elsewhere.
This patch replaces that static array with a list.
[akpm@linux-foundation.org: removed unused var]
Signed-off-by: Michael J. Evans <mjevans1983@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix bug flagged by a variable-used-uninitialized warning.
[akpm@linux-foundation.org: coding-style]
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove NULL initializers and clean whitespace a bit.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This changes hvc_init() to be called only when someone actually uses the
hvc_console driver. Dave Jones complained when profiling bootup.
hvc_console used to only be for Power aka pSeries: now lguest and Xen both
want it built-in in case the kernel is a guest under one of those, even
though usually it will be a native boot.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds three new functions (or in one case to be more exact makes it
always available)
tty_termios_copy_hw
Copies all the hardware settings from one termios structure to the other.
This is intended for drivers that support little or no hardware setting
tty_termios_encode_baud_rate
Allows you to set the input and output baud rate in a termios structure. A
driver is supposed to set the resulting baud rate from a request so most
will want to use this function to set the resulting input and output rates
to match the hardware values. Internally it knows about keeping Bxxx
encoding when possible to maximise compatibility.
tty_encode_baud_rate
As above but for the tty's own current termios structure
I suspect this will initially need some tweaking as it gets enabled by
driver patches over the next few mm cycles so consider this lot -mm only
for the moment so it can stabilize and end up neat before it goes to base.
I've tried not to break any obscure architectures - if you get a speed you
can't represent the code will print warnings on non updated termios systems
but not break.
Once this is merged and seems sane I've got a growing pile of driver
updates to use it - notably for USB serial drivers.
[akpm@linux-foundation.org: cleanups]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove the old-fashioned lk201 driver under drivers/tc/ that used to be
used by the old dz.c and zs.c drivers, which is now orphan code referred to
from nowhere and does not build anymore. A modern replacement is available
as drivers/input/keyboard/lkkbd.c.
There are no plans to do anything about this piece of code and it does not
fit anywhere anymore, so it is not just a matter of maintenance or the lack
of. There are still some bits that might be added to the new lkkbd.c
driver based on the old code, and the embedded hardware documentation which
is otherwise quite hard to get hold of might be useful to keep too. Both
of these can be done separately though. RIP.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Other/Some pr_*() macros are already defined in kernel.h, but pr_err() was
defined multiple times in several other places
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Tony Lindgren <tony@atomide.com>
Reviewed-by: Satyam Sharma <satyam@infradead.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/message/i2o/exec-osm.c:539: warning: `i2o_exec_lct_notify' defined but not used
comes when CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=n, because its only callsite
is #ifdef'ed as such. So let's #ifdef the function definition also. Also
move the definition to before the callsite, to get rid of forward prototype.
[akpm@linux-foundation.org: fix warnings]
Signed-off-by: Satyam Sharma <satyam@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As of now, the kernel defaults to non-unicode and XLATE for the keyboard.
We've been changing this in Fedora, but that requires patching the defaults
in the kernel.
The attached introduces CONFIG_VT_UNICODE, which sets the console in
unicode mode by default on boot, including both the virtual terminal and
the keyboard driver.
Signed-off-by: Bill Nottingham <notting@redhat.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Arjan van de Ven <arjan@Linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since the "ramdisk" kernel parameter has been officially deprecated
since at least 2.6.18, might as well finally get rid of it.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Coverity checker spotted that we have already oops'ed if "disk"
was NULL.
Since "disk" being NULL seems impossible at this point this patch
removes the NULL check.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Coverity checker spotted that we'd have already oops'ed if "tty"
was NULL.
Since "tty" can't be NULL when we reach this line of code this patch
removes the NULL check.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes a problem with the way cciss was filling out the "errors" field
of the request structure upon completion of requests. Previously, it just
put a 1 or a 0 in there and used the negation of this as the uptodate
parameter to one of the functions in the block layer, being a block device.
For the SG_IO ioctl, this was not sufficient, and we noticed that, for
example, sg_turs from sg3_utils did not correctly detect problems due to
cciss having set rq->errors incorrectly.
Signed-off-by: Stephen M. Cameron <steve.cameron@hp.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Allow NBD I/O to be cancelled when a network outage occurs. Previously, I/O
would just hang, and if enough I/O was hung in nbd, the system (at least
user-level) would completely hang until a TCP timeout (default, 15 minutes)
occurred.
The patch introduces a new ioctl NBD_SET_TIMEOUT that allows a transmit
timeout value (in seconds) to be specified. Any network send that exceeds the
timeout will be cancelled and the nbd connection will be shut down. I've
tested with various timeout values and 6 seconds seems to be a good choice for
the timeout. If the NBD_SET_TIMEOUT ioctl is not called, you get the old (I/O
hang) behavior.
Signed-off-by: Paul Clements <paul.clements@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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David S. Miller
Michael Chan
Linus Torvalds
Pierre Ossman
Andrew Victor
Florin Malita
H. Peter Anvin
Andi Kleen
Jens Axboe
Adrian Bunk
Bjorn Helgaas
Krzysztof Oledzki
Jan Beulich
Rafael J. Wysocki
Jesper Juhl
NeilBrown
Iustin Pop
Michael J. Evans
Jeff Garzik
Pavel Machek
Rusty Russell
Alan Cox
Maciej W. Rozycki
Emil Medve
Satyam Sharma
Bill Nottingham
Arjan van de Ven
Robert P. J. Day
Steve Cameron
Paul Clements