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according to Ingo, change set_affinity() in irq_chip should return int,
because that way we can handle failure cases in a much cleaner way, in
the genirq layer.
v2: fix two typos
[ Impact: extend API ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-arch@vger.kernel.org
LKML-Reference: <49F654E9.4070809@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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These got overlooked first time around.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ccio-dma.c:456: warning: overflow in implicit constant conversion
ccio-dma.c:459: warning: overflow in implicit constant conversion
ccio-dma.c:1032: warning: unused variable 'j'
ccio-dma.c:1031: warning: unused variable 'max'
ccio-dma.c:1031: warning: unused variable 'min'
ccio-dma.c:1031: warning: unused variable 'avg'
ccio-dma.c:1403: warning: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
ccio-dma.c:1403: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
ccio-dma.c:1554: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
dino.c:822: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
dino.c:822: warning: format '%lx' expects type 'long unsigned int', but argument 5 has type 'resource_size_t'
dino.c:902: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
dino.c:902: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
asp.c:84: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
eisa.c:317: warning: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
eisa_enumerator.c:101: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'resource_size_t'
eisa_enumerator.c:101: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
eisa_enumerator.c:191: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'resource_size_t'
eisa_enumerator.c:191: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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proc_dir_entry::owner was removed in 0702c1c1a4
(proc 2/2: remove struct proc_dir_entry::owner)
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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drivers/parisc/iosapic.c:717: error: incompatible types in assignment
irq_desc::affinity was changed from cpumask_t to cpumask_var_t in
7f7ace0cda (cpumask: update irq_desc to use cpumask_var_t)
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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- depending on machine type, blink all leds or just the loadavg
leds twice a second on oops.
- cancel_rearming_delayed_workqueue() is obsolete,
use cancel_delayed_work_sync() instead
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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CC drivers/parisc/sba_iommu.o
drivers/parisc/sba_iommu.c:1373: error: expected identifier or '('
before '}' token
make[2]: *** [drivers/parisc/sba_iommu.o] Error 1
make[1]: *** [drivers/parisc] Error 2
make: *** [drivers] Error 2
Don't know how this has gone missed for so long... clearly I need
to do builds on my C8000 more often.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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cpumask arg to the affinity function is now const, sort
that out through the irq_desc implementations.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> posted a patch series
to linux-pci to fix a wrong assumption about pci_bus->self==NULL for
all PCI host bus controllers. While PARISC platforms to not behave
this way, I prefer to have the code consistent across architectures.
The following patch replaces pci_bus->self with pci_bus->parent when
used as a test to check for "root bus controller".
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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commit 11c3b5c3e08f4d855cbef52883c266b9ab9df879
Author: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue Dec 16 12:24:56 2008 -0800
driver core: move klist_children into private structure
Broke our parisc build pretty badly because we touch the klists directly
in three cases (AGP, SBA and GSC). Although GregKH will revert this
patch, there's no reason we should be using the iterators directly, we
can just move to the standard device_for_each_child() API.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Move DMA-mapping.txt to Documentation/PCI/.
DMA-mapping.txt was supposed to be moved from Documentation/ to
Documentation/PCI/. The 00-INDEX files in those two directories
were updated, along with a few other text files, but the file
itself somehow escaped being moved, so move it and update more
text files and source files with its new location.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit b430428a188e8a434325e251d0704af4b88b4711 ("8250: Don't clobber
spinlocks.") introduced a regression on the parisc architecture, which
broke the handover to the serial port at boottime.
early_serial_setup() was changed to only copy a subset of the uart_port
fields, and sadly the "type" and "line" fields were forgotten and thus
the serial port was not initialized and could not be used for a
handover. This patch fixes this by copying the missing fields.
As this change to early_serial_setup() doesn't need an initialized
spinlock in the uart_port struct any longer, we can drop the spinlock
initialization in the superio driver.
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Tomaso Paoletti <tpaoletti@caviumnetworks.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: export length of os_hpmc vector
parisc: fix kernel crash (protection id trap) when compiling ruby1.9
parisc: Use DEFINE_SPINLOCK
parisc: add uevent helper for parisc bus
parisc: fix ipv6 checksum
parisc: quiet palo not-found message from "which"
parisc: Replace NR_CPUS in parisc code
parisc: trivial fixes
parisc: fix braino in commit adding __space_to_prot
parisc: factor out sid to protid conversion
parisc: use leX_to_cpu in place of __fswabX
parisc: fix GFP_KERNEL use while atomic in unwinder
parisc: remove dead BIO_VMERGE_BOUNDARY and BIO_VMERGE_MAX_SIZE definitions
parisc: set_time() catch errors
parisc: use the new byteorder headers
parisc: drivers/parisc/: make code static
parisc: lib/: make code static
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Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.
Acked-by: Kyle McMartin <kyle@infradead.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The block layer dropped the virtual merge feature
(b8b3e16cfe6435d961f6aaebcfd52a1ff2a988c5). BIO_VMERGE_BOUNDARY and
BIO_VMERGE_MAX_SIZE definitions are meaningless now.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Make the following needlessly global code static:
- asp.c: asp_init_chip()
- ccio-dma.c: ccio_io_pdir_entry()
- dino.c: struct dino_port_ops
- dino.c: struct dino_bios_ops
- hppb.c: struct hppb_card_head
- lasi.c: lasi_led_init()
- lasi.c: lasi_init_chip()
- lba_pci.c: struct lba_bios_ops
- sba_iommu.c: sba_io_pdir_entry()
- sba_iommu.c: sba_driver_callback()
- sba_iommu.c: sba_driver_callback()
- wax.c: wax_init_chip()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits)
x86: export vector_used_by_percpu_irq
x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and()
sched: nominate preferred wakeup cpu, fix
x86: fix lguest used_vectors breakage, -v2
x86: fix warning in arch/x86/kernel/io_apic.c
sched: fix warning in kernel/sched.c
sched: move test_sd_parent() to an SMP section of sched.h
sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0
sched: activate active load balancing in new idle cpus
sched: bias task wakeups to preferred semi-idle packages
sched: nominate preferred wakeup cpu
sched: favour lower logical cpu number for sched_mc balance
sched: framework for sched_mc/smt_power_savings=N
sched: convert BALANCE_FOR_xx_POWER to inline functions
x86: use possible_cpus=NUM to extend the possible cpus allowed
x86: fix cpu_mask_to_apicid_and to include cpu_online_mask
x86: update io_apic.c to the new cpumask code
x86: Introduce topology_core_cpumask()/topology_thread_cpumask()
x86: xen: use smp_call_function_many()
x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c
...
Fixed up trivial conflict in kernel/time/tick-sched.c manually
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Impact: change existing irq_chip API
Not much point with gentle transition here: the struct irq_chip's
setaffinity method signature needs to change.
Fortunately, not widely used code, but hits a few architectures.
Note: In irq_select_affinity() I save a temporary in by mangling
irq_desc[irq].affinity directly. Ingo, does this break anything?
(Folded in fix from KOSAKI Motohiro)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Ingo Molnar <mingo@redhat.com>
Cc: ralf@linux-mips.org
Cc: grundler@parisc-linux.org
Cc: jeremy@xensource.com
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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In order for the network device ops get_stats call to be immutable, the handling
of the default internal network device stats block has to be changed. Add a new
helper function which replaces the old use of internal_get_stats.
Note: change return code to make it clear that the caller should not
go changing the returned statistics.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: convert to generic compat_sys_ptrace
parisc: add rtc platform driver
parisc: initialize unwinder much earlier
parisc: add new syscalls
parisc: hijack jump to start_kernel
parisc: add pdc_coproc_cfg_unlocked and set_firmware_width_unlocked
parisc: move include/asm-parisc to arch/parisc/include/asm
parisc: move pdc_result to real2.S
parisc: unify CCIO_COLLECT_STATS implementation
parisc: add arch/parisc/kernel/.gitignore
parisc: ropes.h - fix <asm-parisc/*> -> <asm/*>
parisc: parisc-agp - fix <asm-parisc/*> -> <asm/*>
Resolve remove/rename conflict: include/asm-parisc/a.out.h is no longer
relevant.
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irq_desc[]
add CONFIG_HAVE_SPARSE_IRQ to for use condensed array.
Get rid of irq_desc[] array assumptions.
Preallocate 32 irq_desc, and irq_desc() will try to get more.
( No change in functionality is expected anywhere, except the odd build
failure where we missed a code site or where a crossing commit itroduces
new irq_desc[] usage. )
v2: according to Eric, change get_irq_desc() to irq_desc()
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Make it behave in the same manner as SBA_COLLECT_STATS, further
clean ups pending.
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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Matthew Wilcox <willy@debian.org>
Cc: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to
main tree.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.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 parisc usage of the global_list, as it's not needed anymore.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Signed-off-by: Joel Soete <rubisher@scarlet.be>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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On 32bits boxes, boundary_size becomes zero due to a overflow and we
hit BUG_ON in iommu_is_span_boundary.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make PARISC's two IOMMU implementations not allocate a memory area spanning
LLD's segment boundary.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.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 struct device argument to sba_alloc_range and ccio_alloc_range, a
preparation for modifications to fix the IOMMU segment boundary problem. This
change enables ccio_alloc_range to access to LLD's segment boundary limits.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch makes iommu respect segment size limits when merging sg
lists.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Cc: Matthew Wilcox <willy@debian.org>
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: Joe Perches <joe@perches.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need for kobject_unregister() anymore, thanks to Kay's
kobject cleanup changes, so replace all instances of it with
kobject_put().
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Stop using kobject_register, as this way we can control the sending of
the uevent properly, after everything is properly initialized.
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Using a kset for this simple directory is an overkill.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Thibaut VARENE <varenet@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There is no firmware "subsystem" it's just a directory in /sys that
other portions of the kernel want to hook into. So make it a kobject
not a kset to help alivate anyone who tries to do some odd kset-like
things with this.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Dynamically create the kset instead of declaring it statically.
This makes the kobject attributes now work properly that I broke in the
previous patch.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Thibaut VARENE <varenet@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This makes the code a bit simpler and and gets us one step closer to
deleting the deprecated subsys_attr code.
NOTE, this needs the next patch in the series in order to work properly.
This will build, but the sysfs files will not properly operate.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Thibaut VARENE <varenet@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We don't need a "default" ktype for a kset. We should set this
explicitly every time for each kset. This change is needed so that we
can make ksets dynamic, and cleans up one of the odd, undocumented
assumption that the kset/kobject/ktype model has.
This patch is based on a lot of help from Kay Sievers.
Nasty bug in the block code was found by Dave Young
<hidave.darkstar@gmail.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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radeonfb was HPMC-ing my C8000 by trying to map its expansion rom from
IO_VIEW, instead of PA_VIEW. Fix seems to be to ensure that its disabled
ROM is properly inserted into the resource tree.
FIXME: this will result in a whinging printk for cards which share expansion
ROMS, such as a quad tulip. Thankfully, it isn't harmful.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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arch/parisc/kernel/pci-dma.c: In function 'pa11_dma_map_sg':
arch/parisc/kernel/pci-dma.c:487: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c: In function 'pa11_dma_unmap_sg':
arch/parisc/kernel/pci-dma.c:508: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c:508: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c: In function 'pa11_dma_sync_sg_for_cpu':
arch/parisc/kernel/pci-dma.c:535: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c:535: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c: In function 'pa11_dma_sync_sg_for_device':
arch/parisc/kernel/pci-dma.c:545: error: 'struct scatterlist' has no member named 'page'
arch/parisc/kernel/pci-dma.c:545: error: 'struct scatterlist' has no member named 'page'
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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pcibios_link_hba_resources() could corrupt the resource tree by inserting
resources in the wrong place. Fix this by calling pci_claim_resource()
for PCI-PCI bridges. Delete pcibios_link_hba_resources as we shouldn't
need it any more. Also get rid of lba_claim_dev_resources() and just
call pci_claim_resource() directly.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Failing to create the links doesn't seem like a fatal error in these
paths. WARN_ON seems better than nothing though.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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If we have a SuckyIO, and pci_enable_device fails, we'll be in a world of
hurt anyways, so we might as well BUG_ON.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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This patch makes most of the generic device layer network
namespace safe. This patch makes dev_base_head a
network namespace variable, and then it picks up
a few associated variables. The functions:
dev_getbyhwaddr
dev_getfirsthwbytype
dev_get_by_flags
dev_get_by_name
__dev_get_by_name
dev_get_by_index
__dev_get_by_index
dev_ioctl
dev_ethtool
dev_load
wireless_process_ioctl
were modified to take a network namespace argument, and
deal with it.
vlan_ioctl_set and brioctl_set were modified so their
hooks will receive a network namespace argument.
So basically anthing in the core of the network stack that was
affected to by the change of dev_base was modified to handle
multiple network namespaces. The rest of the network stack was
simply modified to explicitly use &init_net the initial network
namespace. This can be fixed when those components of the network
stack are modified to handle multiple network namespaces.
For now the ifindex generator is left global.
Fundametally ifindex numbers are per namespace, or else
we will have corner case problems with migration when
we get that far.
At the same time there are assumptions in the network stack
that the ifindex of a network device won't change. Making
the ifindex number global seems a good compromise until
the network stack can cope with ifindex changes when
you change namespaces, and the like.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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