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The IBM icom serial driver is using a kobject only for reference
counting, nothing else. So switch it to use a kref instead, which is
all that is needed, and is much smaller.
Cc: Anton Blanchard <anton@au.ibm.com>
Cc: Paul Mackerras <paulus@au.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ryan S. Arnold <rsa@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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hvcs is using a kobject only for reference counting, nothing else. So
switch it to use a kref instead, which is all that is needed, and is
much smaller.
Cc: Anton Blanchard <anton@au.ibm.com>
Cc: Paul Mackerras <paulus@au.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ryan S. Arnold <rsa@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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hvc_console is using a kobject only for reference counting, nothing
else. So switch it to use a kref instead, which is all that is needed,
and is much smaller.
Cc: Anton Blanchard <anton@au.ibm.com>
Cc: Paul Mackerras <paulus@au.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ryan S. Arnold <rsa@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The IBM asm driver is using a kobject only for reference counting,
nothing else. So switch it to use a kref instead, which is all that is
needed, and is much smaller.
Cc: Max Asböck <amax@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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SPIN_LOCK_UNLOCKED is deprecated, use DEFINE_SPINLOCK instead
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Tejun Heo <teheo@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Instead of walking from the source down to the root of sysfs, and back
to the target, we stop at the first directory the source and the target
share.
This link:
/devices/pci0000:00/0000:00:1d.7/usb1/1-0:1.0/ep_81
pointed to:
../../../../../devices/pci0000:00/0000:00:1d.0/usb2/2-0:1.0/usb_endpoint/usbdev2.1_ep81
now it just points to:
usb_endpoint/usbdev1.1_ep81
Thanks to Denis Cheng for bringing this up, and sending the initial patch.
CC: Denis Cheng <crquan@gmail.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Removed duplicates defined elsewhere
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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It isn't that hard to add simple kset attributes, so don't go through
all the gyrations of creating your own object type and show and store
functions. Just use the functions that are already present. This makes
things much simpler.
Note, the version_str string violates the "one value per file" rule for
sysfs. I suggest changing this now (individual files per type supported
is one suggested way.)
Cc: Michael A. Halcrow <mahalcro@us.ibm.com>
Cc: Michael C. Thompson <mcthomps@us.ibm.com>
Cc: Tyler Hicks <tyhicks@ou.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Alex Dubov <oakad@yahoo.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Peter Osterlund <petero2@telia.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Tim Waugh <tim@cyberelk.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Joshua Thompson <funaho@jurai.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Gadi Oxman <gadio@netvision.net.il>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Cc: Shannon Nelson <shannon.nelson@intel.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Tony Jones <tonyj@suse.de>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sam Hopkins <sah@coraid.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds kref_set() to the kref api for future use by people who really
know what they are doing with krefs...
From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch reorganizes the way suspend and resume notifications are
sent to drivers. The major changes are that now the PM core acquires
every device semaphore before calling the methods, and calls to
device_add() during suspends will fail, while calls to device_del()
during suspends will block.
It also provides a way to safely remove a suspended device with the
help of the PM core, by using the device_pm_schedule_removal() callback
introduced specifically for this purpose, and updates two drivers (msr
and cpuid) that need to use it.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As pointed out by Kay.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
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This is a driver to control the cardbus wireless data card that works on
3g networks.
Greg Kroah-Hartman <gregkh@suse.de> did the initial driver cleanup.
Thanks to Arnaud Patard <apatard@mandriva.com> for help with bugfixing.
Thanks to Alan Cox for a lot of tty fixes.
Thanks to Satyam Sharma <satyam@infradead.org> for fixing buildbreakage.
Thanks to Frank Seidel <fseidel@suse.de> for a lot of bugfixes and
rewriting to make it a sane Linux driver
Thanks to Jiri Slaby <jirislaby@gmail.com> for a lot bugfixes, cleanups
and rewrites that make it much more readable.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Frank Seidel <fseidel@suse.de>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: TripleX Chung <triplex@zh-kernel.org>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: TripleX Chung <triplex@zh-kernel.org>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The email address of the man-pages maintainer has changed.
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Rephrase the introduction as suggested by Jesper Juhl.
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update translation for commit be3884943674f8ee7656b1d8b71c087ec900c836.
Signed-off-by: Li Yang <leo@zh-kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Before transmission of the last word in PIO RX_ONLY mode rx+tx mode
is enabled:
/* prevent last RX_ONLY read from triggering
* more word i/o: switch to rx+tx
*/
if (c == 0 && tx == NULL)
mcspi_write_cs_reg(spi,
OMAP2_MCSPI_CHCONF0, l);
But because c is decremented after the test, c will never be zero and
rx+tx will not be enabled. This breaks RX_ONLY mode PIO transfers.
Fix it by decrementing c in the beginning of the various I/O loops.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 81100eb80add328c4d2a377326f15aa0e7236398 for the
release, to avoid the unnecessary warning noise that is only really
relevant to wireless driver developers.
The warning will probably go right back in after I cut the release, but
at least we won't unnecessarily worry users.
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Partially revert "Constify function pointer tables."
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
Revert "ACPI: Fan: Drop force_power_state acpi_device option"
ACPI: EC: "DEBUG" needs to be defined earlier
ACPI: EC: add leading zeros to debug messages
ACPI: EC: fix dmesg spam regression
ACPI: DMI blacklist to reduce console warnings on OSI(Linux) systems.
ACPI: Add ThinkPad R61, ThinkPad T61 to OSI(Linux) white-list
ACPI: make _OSI(Linux) console messages smarter
ACPI: Delete Intel Customer Reference Board (CRB) from OSI(Linux) DMI list
ACPI: on OSI(Linux), print needed DMI rather than requesting dmidecode output
ACPI: create acpi_dmi_dump()
DMI: create dmi_get_slot()
DMI: move dmi_available declaration to linux/dmi.h
ACPI: processor: Fix null pointer dereference in throttling
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Partial revert the changes made by 04231b3002ac53f8a64a7bd142fde3fa4b6808c6
to the kmem_list3 management. On a machine with a memoryless node, this
BUG_ON was triggering
static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
{
struct list_head *entry;
struct slab *slabp;
struct kmem_list3 *l3;
void *obj;
int x;
l3 = cachep->nodelists[nodeid];
BUG_ON(!l3);
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Christoph Lameter <clameter@sgi.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The shared page table code for hugetlb memory on x86 and x86_64
is causing a leak. When a user of hugepages exits using this code
the system leaks some of the hugepages.
-------------------------------------------------------
Part of /proc/meminfo just before database startup:
HugePages_Total: 5500
HugePages_Free: 5500
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
Just before shutdown:
HugePages_Total: 5500
HugePages_Free: 4475
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
After shutdown:
HugePages_Total: 5500
HugePages_Free: 4988
HugePages_Rsvd:
0 Hugepagesize: 2048 kB
----------------------------------------------------------
The problem occurs durring a fork, in copy_hugetlb_page_range(). It
locates the dst_pte using huge_pte_alloc(). Since huge_pte_alloc() calls
huge_pmd_share() it will share the pmd page if can, yet the main loop in
copy_hugetlb_page_range() does a get_page() on every hugepage. This is a
violation of the shared hugepmd pagetable protocol and creates additional
referenced to the hugepages causing a leak when the unmap of the VMA
occurs. We can skip the entire replication of the ptes when the hugepage
pagetables are shared. The attached patch skips copying the ptes and the
get_page() calls if the hugetlbpage pagetable is shared.
[akpm@linux-foundation.org: coding-style cleanups]
Signed-off-by: Larry Woodman <lwoodman@redhat.com>
Signed-off-by: Adam Litke <agl@us.ibm.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Ken Chen <kenchen@google.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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: Stefan Roese <sr@denx.de> said:
> ppc: 4xx: sysctl table check failed: /kernel/l2cr .1.31 Missing strategy
>
> I'm seeing this error message when booting an recent arch/ppc kernel on
> 4xx platforms (tested on Ocotea and other 4xx platforms). Booting NFS
> rootfs still works fine, but this message kind of makes me "nervous".
> This is not seen on 4xx arch/powerpc platforms. Here the bootlog:
Because the data field was never filled and a binary sysctl handler was
never written this sysctl has never been usable through the sys_sysctl
interface. So just remove the binary sysctl number. Making the kernel
sanity checks happy.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Reported-by: Stefan Roese <sr@denx.de>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Michael Wu noticed in his lkml post at
http://marc.info/?l=linux-kernel&m=119396182726091&w=2
that certain wireless drivers ended up having their name in module
memory, which would then crash the kernel on module unload.
The patch he proposed was a bit clumsy in that it increased the size of
a lockdep entry significantly; the patch below tries another approach,
it checks, on module teardown, if the name of a class is in module space
and then zaps the class. This is very similar to what we already do
with keys that are in module space.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This partially reverts 872e2be7c4056496c2871bd9b0f2fae6c374fe47
(Constify function pointer tables.)
The solaris/socksys.c transformation wasn't valid:
arch/sparc64/solaris/socksys.c:192: error: assignment of read-only variable ‘socksys_file_ops’
arch/sparc64/solaris/socksys.c:195: error: assignment of read-only variable ‘socksys_file_ops’
arch/sparc64/solaris/socksys.c:196: error: assignment of read-only variable ‘socksys_file_ops’
Signed-off-by: David S. Miller <davem@davemloft.net>
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