Linus Torvalds [Wed, 17 Dec 2008 23:01:23 +0000 (15:01 -0800)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
ocfs2: Add JBD2 compat feature bit.
ocfs2: Always update xattr search when creating bucket.
Linus Torvalds [Wed, 17 Dec 2008 23:01:06 +0000 (15:01 -0800)]
Merge git://git./linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: pl2303: add id for Hewlett-Packard LD220-HP POS pole display
USB: set correct configuration in probe of ti_usb_3410_5052
USB: add 5372:2303 to pl2303
USB: skip Set-Interface(0) if already in altsetting 0
USB: fix comment about endianness of descriptors
USB: Documentation/usb/gadget_serial.txt: update to match driver use_acm behaviour
usbmon: drop bogus 0t from usbmon.txt
USB: gadget: fix rndis working at high speed
USB: ftdi_sio: Adding Ewert Energy System's CANdapter PID
USB: tty: SprogII DCC controller identifiers
usb-storage: update unusual_devs entry for Nokia 5310
USB: Unusual devs patch for Nokia 3500c
USB: storage: unusual_devs.h: Nokia 3109c addition
USB: fix problem with usbtmc driver not loading properly
Linus Torvalds [Wed, 17 Dec 2008 23:00:54 +0000 (15:00 -0800)]
Merge git://git./linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
STAGING: Move staging drivers back to staging-specific menu
driver core: add newlines to debugging enabled/disabled messages
xilinx_hwicap: remove improper wording in license statement
driver core: fix using 'ret' variable in unregister_dynamic_debug_module
Jeff Layton [Wed, 17 Dec 2008 11:31:53 +0000 (06:31 -0500)]
cifs: fix buffer overrun in parse_DFS_referrals
While testing a kernel with memory poisoning enabled, I saw some warnings
about the redzone getting clobbered when chasing DFS referrals. The
buffer allocation for the unicode converted version of the searchName is
too small and needs to take null termination into account.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Steve French <sfrench@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 17 Dec 2008 22:58:56 +0000 (14:58 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/galak/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
powerpc: Fix corruption error in rh_alloc_fixed()
powerpc/fsl-booke: Fix the miss interrupt restore
Dmitry Baryshkov [Thu, 27 Nov 2008 21:01:28 +0000 (00:01 +0300)]
STAGING: Move staging drivers back to staging-specific menu
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Marcel Holtmann [Sun, 30 Nov 2008 13:01:26 +0000 (14:01 +0100)]
driver core: add newlines to debugging enabled/disabled messages
Both messages are missing the newline and thus dmesg output gets
scrambled.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Sun, 7 Dec 2008 05:10:51 +0000 (21:10 -0800)]
xilinx_hwicap: remove improper wording in license statement
GPLv2 doesn't allow additional restrictions to be imposed on any
code, so this wording needs to be removed from these files.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Johann Felix Soden [Thu, 30 Oct 2008 21:44:39 +0000 (22:44 +0100)]
driver core: fix using 'ret' variable in unregister_dynamic_debug_module
The 'ret' variable is assigned, but not used in the return statement. Fix this.
Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Mike Provencher [Tue, 16 Dec 2008 20:30:14 +0000 (14:30 -0600)]
USB: pl2303: add id for Hewlett-Packard LD220-HP POS pole display
Add id for the Hewlett-Packard LD220-HP POS pole display.
Bus 002 Device 002: ID 03f0:3524 Hewlett-Packard
Signed-off-by: Mike Provencher <mike.provencher@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oliver Neukum [Tue, 16 Dec 2008 11:25:55 +0000 (12:25 +0100)]
USB: set correct configuration in probe of ti_usb_3410_5052
This driver transfers firmware. It may just as well set the correct
configuration.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Matthew Arnold [Sat, 13 Dec 2008 11:42:53 +0000 (22:42 +1100)]
USB: add 5372:2303 to pl2303
This patch adds the "Superial" USB-Serial converter to pl2303 so that it
is detected, by the correct driver. Adds the relevant vendor:product
(5372:2303) to the device tables in pl2303.c & pl2303.h. The patch has
been tested against 2.6.24-22-generic.
Signed-off-by: Matthew D Arnold <matthew.arnold-1@uts.edu.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Stern [Mon, 1 Dec 2008 15:24:41 +0000 (10:24 -0500)]
USB: skip Set-Interface(0) if already in altsetting 0
When a driver unbinds from an interface, usbcore always sends a
Set-Interface request to reinstall altsetting 0. Unforunately, quite
a few devices have buggy firmware that crashes when it receives this
request.
To avoid such problems, this patch (as1180) arranges to send the
Set-Interface request only when the interface is not already in
altsetting 0.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Phil Endecott [Mon, 1 Dec 2008 15:22:33 +0000 (10:22 -0500)]
USB: fix comment about endianness of descriptors
This patch fixes a comment and clarifies the documentation about the
endianness of descriptors. The current policy is that descriptors will
be little-endian at the API even on big-endian systems; however the
/proc/bus/usb API predates this policy and presents descriptors with
some multibyte fields byte-swapped.
Signed-off-by: Phil Endecott <usb_endian_patch@chezphil.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Peter Korsgaard [Thu, 4 Dec 2008 15:30:53 +0000 (16:30 +0100)]
USB: Documentation/usb/gadget_serial.txt: update to match driver use_acm behaviour
Commit
7bb5ea54 (usb gadget serial: use composite gadget framework)
changed the default for the use_acm parameter from 0 to 1.
Update the documentation to match.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Pete Zaitcev [Thu, 4 Dec 2008 23:17:00 +0000 (16:17 -0700)]
usbmon: drop bogus 0t from usbmon.txt
The example is incorrect: there is no 0t socket (the '1t' format has no
bus number in it). Also, correct the broken sentence for USB Tag.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
David Brownell [Tue, 25 Nov 2008 07:11:03 +0000 (23:11 -0800)]
USB: gadget: fix rndis working at high speed
Fix a bug specific to highspeed mode in the recently updated RNDIS
support: it wasn't setting up the high speed notification endpoint,
which prevented high speed RNDIS links from working.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Tested-by: Anand Gadiyar <gadiyar@ti.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Andrew Ewert [Thu, 4 Dec 2008 15:09:59 +0000 (09:09 -0600)]
USB: ftdi_sio: Adding Ewert Energy System's CANdapter PID
The following patch adds in the USB PID for Ewert Energy System's CANdapter
device (CANBUS to USB-Serial which uses the FTDI 245R chipset) to the ftdi_sio
device driver.
The patch was tested successfully on Linux kernel 2.6.27 under Ubuntu.
Relevant output from /proc/bus/usb/devices (With patch installed):
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0403 ProdID=9f80 Rev= 6.00
S: Manufacturer=Ewert Energy Systems
S: Product=CANdapter
S: SerialNumber=A6RGB3Z3
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 90mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=ftdi_sio
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
Signed-off-by: Andrew Ewert <andrew@ewertenergy.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Cox [Sun, 7 Dec 2008 07:46:04 +0000 (23:46 -0800)]
USB: tty: SprogII DCC controller identifiers
Someone on rmweb reminded me this had been overlooked from ages ago..
Add the identifiers for the Sprog II USB. This is a DCC control interface
using the FTDI-SIO hardware: http://www.sprog-dcc.co.uk/. People have been
using it with insmod options for ages, this just puts it into the driver
data.
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>
Alan Stern [Mon, 1 Dec 2008 15:23:43 +0000 (10:23 -0500)]
usb-storage: update unusual_devs entry for Nokia 5310
This patch (as1179) updates the unusual_devs entry for Nokia's 5310
phone to include a more recent firmware revision.
This fixes Bugzilla #12099.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Robson Roberto Souza Peixoto <robsonpeixoto@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ozan Sener [Mon, 8 Dec 2008 17:15:45 +0000 (19:15 +0200)]
USB: Unusual devs patch for Nokia 3500c
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0421 ProdID=0060 Rev= 5.51
S: Manufacturer=Nokia
S: Product=Nokia 3500c
S: SerialNumber=
357687010280751
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
From: Ozan Sener <themgzzy@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
CSÉCSY László [Tue, 9 Dec 2008 22:39:14 +0000 (23:39 +0100)]
USB: storage: unusual_devs.h: Nokia 3109c addition
2.6.26(.x, cannot remember) could handle the microSD card in my Nokia
3109c attached via USB as mass storage, 2.6.27(.x, up to and included
2.6.27.8) cannot. Please find the attached patch which fixes this
regression, and a copy of /proc/bus/usb/devices with my phone plugged in
running with this patch on Frugalware.
T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 4 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0421 ProdID=0063 Rev= 6.01
S: Manufacturer=Nokia
S: Product=Nokia 3109c
S: SerialNumber=
359561013742570
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
From: CSÉCSY László <boobaa@frugalware.org>
Cc: Phil Dibowitz <phil@ipom.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Thu, 4 Dec 2008 00:33:09 +0000 (16:33 -0800)]
USB: fix problem with usbtmc driver not loading properly
The usbtmc driver forgot to export its device table to userspace.
Without this, it is never loaded properly when such a device is seen by
the system.
Cc: Marcel Janssen <marcel.janssen@admesy.nl>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Guillaume Knispel [Tue, 9 Dec 2008 14:28:34 +0000 (15:28 +0100)]
powerpc: Fix corruption error in rh_alloc_fixed()
There is an error in rh_alloc_fixed() of the Remote Heap code:
If there is at least one free block blk won't be NULL at the end of the
search loop, so -ENOMEM won't be returned and the else branch of
"if (bs == s || be == e)" will be taken, corrupting the management
structures.
Signed-off-by: Guillaume Knispel <gknispel@proformatique.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Dave Liu [Wed, 17 Dec 2008 10:24:15 +0000 (18:24 +0800)]
powerpc/fsl-booke: Fix the miss interrupt restore
The commit
e5e774d8833de1a0037be2384efccadf16935675
powerpc/fsl-booke: Fix problem with _tlbil_va being interrupted
introduce one issue. that casue the problem like this:
Kernel BUG at
c00b19fc [verbose debug info unavailable]
Oops: Exception in kernel mode, sig: 5 [#1]
MPC8572 DS
Modules linked in:
NIP:
c00b19fc LR:
c00b1c34 CTR:
c0064e88
REGS:
ef02b7b0 TRAP: 0700 Not tainted (2.6.28-rc8-00057-g1bda712)
MSR:
00021000 <ME> CR:
44048028 XER:
20000000
TASK =
ef02c000[1] 'init' THREAD:
ef02a000
GPR00:
00000001 ef02b860 ef02c000 eec201a0 c0dec2c0 00000000 000078a1 00000400
GPR08:
c00b4e40 000078a1 c048ec00 a1780000 44048028 ecd26917 00000001 ef02b948
GPR16:
ffffffea 0000020c 00000000 00000000 00000003 0000000a 00000000 000078a1
GPR24:
eec201a0 00000000 ed849000 00000400 ef02b95c 00000001 ef02b978 ef02b984
NIP [
c00b19fc] __find_get_block+0x24/0x238
LR [
c00b1c34] __getblk+0x24/0x2a0
Call Trace:
[
ef02b860] [
c017b768] generic_make_request+0x290/0x328 (unreliable)
[
ef02b8b0] [
c00b1c34] __getblk+0x24/0x2a0
[
ef02b910] [
c00b4ae4] __bread+0x14/0xf8
[
ef02b920] [
c00fc228] ext2_get_branch+0xf0/0x138
[
ef02b940] [
c00fcc88] ext2_get_block+0xb8/0x828
[
ef02ba00] [
c00bbdc8] do_mpage_readpage+0x188/0x808
[
ef02bac0] [
c00bc5b4] mpage_readpages+0xec/0x144
[
ef02bb50] [
c00fba38] ext2_readpages+0x24/0x34
[
ef02bb60] [
c006ade0] __do_page_cache_readahead+0x150/0x230
[
ef02bbb0] [
c0064bdc] filemap_fault+0x31c/0x3e0
[
ef02bbf0] [
c00728b8] __do_fault+0x60/0x5b0
[
ef02bc50] [
c0011e0c] do_page_fault+0x2d8/0x4c4
[
ef02bd10] [
c000ed90] handle_page_fault+0xc/0x80
[
ef02bdd0] [
c00c7adc] set_brk+0x74/0x9c
[
ef02bdf0] [
c00c9274] load_elf_binary+0x70c/0x1180
[
ef02be70] [
c00945f0] search_binary_handler+0xa8/0x274
[
ef02bea0] [
c0095818] do_execve+0x19c/0x1d4
[
ef02bed0] [
c000766c] sys_execve+0x58/0x84
[
ef02bef0] [
c000e950] ret_from_syscall+0x0/0x3c
[
ef02bfb0] [
c009c6fc] sys_dup+0x24/0x6c
[
ef02bfc0] [
c0001e04] init_post+0xb0/0xf0
[
ef02bfd0] [
c046c1ac] kernel_init+0xcc/0xf4
[
ef02bff0] [
c000e6d0] kernel_thread+0x4c/0x68
Instruction dump:
4bffffa4 813f000c 4bffffac 9421ffb0 7c0802a6 7d800026 90010054 bf210034
91810030 7c0000a6 68008000 54008ffe <
0f000000>
3d20c04e 3b29ffb8 38000008
The issue was the beqlr returns early but we haven't reenabled interrupts.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Joel Becker [Wed, 17 Dec 2008 02:10:18 +0000 (18:10 -0800)]
ocfs2: Add JBD2 compat feature bit.
Define the OCFS2_FEATURE_COMPAT_JBD2 bit in the filesystem header.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Tao Ma [Fri, 5 Dec 2008 01:14:10 +0000 (09:14 +0800)]
ocfs2: Always update xattr search when creating bucket.
When we create xattr bucket during the process of xattr set, we always
need to update the ocfs2_xattr_search since even if the bucket size is
the same as block size, the offset will change because of the removal
of the ocfs2_xattr_block header.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Linus Torvalds [Tue, 16 Dec 2008 17:49:10 +0000 (09:49 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: add quirk fix for Freecom HDD
Linus Torvalds [Tue, 16 Dec 2008 17:48:53 +0000 (09:48 -0800)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_hpt366: no ATAPI DMA
pata_hpt366: fix cable detection,
libata: fix Seagate NCQ+FLUSH blacklist
Linus Torvalds [Tue, 16 Dec 2008 17:47:58 +0000 (09:47 -0800)]
Merge branch 'sh/for-2.6.28' of git://git./linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Disable GENERIC_HARDIRQS_NO__DO_IRQ for unconverted platforms.
sh: maple: Do not pass SLAB_POISON to kmem_cache_create()
Linus Torvalds [Tue, 16 Dec 2008 17:47:43 +0000 (09:47 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc/cell/axon-msi: Fix MSI after kexec
powerpc: Fix bootmem reservation on uninitialized node
powerpc: Check for valid hugepage size in hugetlb_get_unmapped_area
KOSAKI Motohiro [Tue, 16 Dec 2008 07:06:43 +0000 (16:06 +0900)]
mm: Don't touch uninitialized variable in do_pages_stat_array()
Commit
80bba1290ab5122c60cdb73332b26d288dc8aedd removed one necessary
variable initialization. As a result following warning happened:
CC mm/migrate.o
mm/migrate.c: In function 'sys_move_pages':
mm/migrate.c:1001: warning: 'err' may be used uninitialized in this function
More unfortunately, if find_vma() failed, kernel read uninitialized
memory.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Brice Goglin <Brice.Goglin@inria.fr>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Tejun Heo [Tue, 9 Dec 2008 08:14:04 +0000 (17:14 +0900)]
pata_hpt366: no ATAPI DMA
IDE hpt366 driver doesn't allow DMA for ATAPI devices and MWDMA2 on
ATAPI device locks up pata_hpt366. Follow the suit.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Tejun Heo [Tue, 9 Dec 2008 08:13:19 +0000 (17:13 +0900)]
pata_hpt366: fix cable detection,
pata_hpt366 is strange in that its two channels occupy two PCI
functions and both are primary channels and bit1 of PCI configuration
register 0x5A indicates cable for both channels.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Tejun Heo [Thu, 11 Dec 2008 04:42:42 +0000 (13:42 +0900)]
libata: fix Seagate NCQ+FLUSH blacklist
Due to miscommunication, P/N was mistaken as firmware revision
strings. Update it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Paul Mundt [Mon, 8 Dec 2008 02:45:37 +0000 (11:45 +0900)]
sh: Disable GENERIC_HARDIRQS_NO__DO_IRQ for unconverted platforms.
Presently limited to Cayman, Dreamcast, Microdev, and SystemH 7751.
Re-enable it for everyone once these have been fixed up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Matt Fleming [Tue, 16 Dec 2008 00:15:31 +0000 (09:15 +0900)]
sh: maple: Do not pass SLAB_POISON to kmem_cache_create()
SLAB_POISON is not a valid flag for kmem_create_cache() unless
CONFIG_DEBUG_SLAB is set, so remove it from the flags argument.
Acked-by: Adrian McMenamin <adrian@newgolddream.dyndns.info>
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Arnd Bergmann [Fri, 12 Dec 2008 09:19:50 +0000 (09:19 +0000)]
powerpc/cell/axon-msi: Fix MSI after kexec
Commit
d015fe995 'powerpc/cell/axon-msi: Retry on missing interrupt'
has turned a rare failure to kexec on QS22 into a reproducible
error, which we have now analysed.
The problem is that after a kexec, the MSIC hardware still points
into the middle of the old ring buffer. We set up the ring buffer
during reboot, but not the offset into it. On older kernels, this
would cause a storm of thousands of spurious interrupts after a
kexec, which would most of the time get dropped silently.
With the new code, we time out on each interrupt, waiting for
it to become valid. If more interrupts come in that we time
out on, this goes on indefinitely, which eventually leads to
a hard crash.
The solution in this commit is to read the current offset from
the MSIC when reinitializing it. This now works correctly, as
expected.
Reported-by: Dirk Herrendoerfer <d.herrendoerfer@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Dave Hansen [Thu, 11 Dec 2008 08:36:06 +0000 (08:36 +0000)]
powerpc: Fix bootmem reservation on uninitialized node
careful_allocation() was calling into the bootmem allocator for
nodes which had not been fully initialized and caused a previous
bug: http://patchwork.ozlabs.org/patch/10528/ So, I merged a
few broken out loops in do_init_bootmem() to fix it. That changed
the code ordering.
I think this bug is triggered by having reserved areas for a node
which are spanned by another node's contents. In the
mark_reserved_regions_for_nid() code, we attempt to reserve the
area for a node before we have allocated the NODE_DATA() for that
nid. We do this since I reordered that loop. I suck.
This is causing crashes at bootup on some systems, as reported
by Jon Tollefson.
This may only present on some systems that have 16GB pages
reserved. But, it can probably happen on any system that is
trying to reserve large swaths of memory that happen to span other
nodes' contents.
This commit ensures that we do not touch bootmem for any node which
has not been initialized, and also removes a compile warning about
an unused variable.
Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Brian King [Thu, 4 Dec 2008 04:07:54 +0000 (04:07 +0000)]
powerpc: Check for valid hugepage size in hugetlb_get_unmapped_area
It looks like most of the hugetlb code is doing the correct thing if
hugepages are not supported, but the mmap code is not. If we get into
the mmap code when hugepages are not supported, such as in an LPAR
which is running Active Memory Sharing, we can oops the kernel. This
fixes the oops being seen in this path.
oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=1024 NUMA pSeries
Modules linked in: nfs(N) lockd(N) nfs_acl(N) sunrpc(N) ipv6(N) fuse(N) loop(N)
dm_mod(N) sg(N) ibmveth(N) sd_mod(N) crc_t10dif(N) ibmvscsic(N)
scsi_transport_srp(N) scsi_tgt(N) scsi_mod(N)
Supported: No
NIP:
c000000000038d60 LR:
c00000000003945c CTR:
c0000000000393f0
REGS:
c000000077e7b830 TRAP: 0300 Tainted: G
(2.6.27.5-bz50170-2-ppc64)
MSR:
8000000000009032 <EE,ME,IR,DR> CR:
44000448 XER:
20000001
DAR:
c000002000af90a8, DSISR:
0000000040000000
TASK =
c00000007c1b8600[4019] 'hugemmap01' THREAD:
c000000077e78000 CPU: 6
GPR00:
0000001fffffffe0 c000000077e7bab0 c0000000009a4e78 0000000000000000
GPR04:
0000000000010000 0000000000000001 00000000ffffffff 0000000000000001
GPR08:
0000000000000000 c000000000af90c8 0000000000000001 0000000000000000
GPR12:
000000000000003f c000000000a73880 0000000000000000 0000000000000000
GPR16:
0000000000000000 0000000000000000 0000000000000000 0000000000010000
GPR20:
0000000000000000 0000000000000003 0000000000010000 0000000000000001
GPR24:
0000000000000003 0000000000000000 0000000000000001 ffffffffffffffb5
GPR28:
c000000077ca2e80 0000000000000000 c00000000092af78 0000000000010000
NIP [
c000000000038d60] .slice_get_unmapped_area+0x6c/0x4e0
LR [
c00000000003945c] .hugetlb_get_unmapped_area+0x6c/0x80
Call Trace:
[
c000000077e7bbc0] [
c00000000003945c] .hugetlb_get_unmapped_area+0x6c/0x80
[
c000000077e7bc30] [
c000000000107e30] .get_unmapped_area+0x64/0xd8
[
c000000077e7bcb0] [
c00000000010b140] .do_mmap_pgoff+0x140/0x420
[
c000000077e7bd80] [
c00000000000bf5c] .sys_mmap+0xc4/0x140
[
c000000077e7be30] [
c0000000000086b4] syscall_exit+0x0/0x40
Instruction dump:
fac1ffb0 fae1ffb8 fb01ffc0 fb21ffc8 fb41ffd0 fb61ffd8 fb81ffe0 fbc1fff0
fbe1fff8 f821fef1 f8c10158 f8e10160 <
7d49002e>
f9010168 e92d01b0 eb4902b0
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Linus Torvalds [Tue, 16 Dec 2008 00:31:05 +0000 (16:31 -0800)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5348/1: fix documentation wrt location of the alignment trap interface
[ARM] Ensure linux/hardirqs.h is included where required
[ARM] fix kernel-doc syntax
[ARM] arch/arm/common/sa1111.c: Correct error handling code
[ARM] 5341/2: there is no copy_page on nommu ARM
Linus Torvalds [Tue, 16 Dec 2008 00:30:22 +0000 (16:30 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
Phonet: keep TX queue disabled when the device is off
SCHED: netem: Correct documentation comment in code.
netfilter: update rwlock initialization for nat_table
netlabel: Compiler warning and NULL pointer dereference fix
e1000e: fix double release of mutex
IA64: HP_SIMETH needs to depend upon NET
netpoll: fix race on poll_list resulting in garbage entry
ipv6: silence log messages for locally generated multicast
sungem: improve ethtool output with internal pcs and serdes
tcp: tcp_vegas cong avoid fix
sungem: Make PCS PHY support partially work again.
Rusty Russell [Mon, 15 Dec 2008 08:34:35 +0000 (19:04 +1030)]
Define smp_call_function_many for UP
Otherwise those using it in transition patches (eg. kvm) can't compile
with CONFIG_SMP=n:
arch/x86/kvm/../../../virt/kvm/kvm_main.c: In function 'make_all_cpus_request':
arch/x86/kvm/../../../virt/kvm/kvm_main.c:380: error: implicit declaration of function 'smp_call_function_many'
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Paul Menage [Mon, 15 Dec 2008 21:54:22 +0000 (13:54 -0800)]
cgroups: fix a race between rmdir and remount
When a cgroup is removed, it's unlinked from its parent's children list,
but not actually freed until the last dentry on it is released (at which
point cgrp->root->number_of_cgroups is decremented).
Currently rebind_subsystems checks for the top cgroup's child list being
empty in order to rebind subsystems into or out of a hierarchy - this can
result in the set of subsystems bound to a hierarchy being
removed-but-not-freed cgroup.
The simplest fix for this is to forbid remounts that change the set of
subsystems on a hierarchy that has removed-but-not-freed cgroups. This
bug can be reproduced via:
mkdir /mnt/cg
mount -t cgroup -o ns,freezer cgroup /mnt/cg
mkdir /mnt/cg/foo
sleep 1h < /mnt/cg/foo &
rmdir /mnt/cg/foo
mount -t cgroup -o remount,ns,devices,freezer cgroup /mnt/cg
kill $!
Though the above will cause oops in -mm only but not mainline, but the bug
can cause memory leak in mainline (and even oops)
Signed-off-by: Paul Menage <menage@google.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Frederik Deweerdt [Mon, 15 Dec 2008 21:54:19 +0000 (13:54 -0800)]
ACPI toshiba: only register rfkill if bt is enabled
Part of the rfkill initialization was done whenever BT was on or not. The
following patch checks for BT presence before registering the rfkill to
the input layer. Some minor cleanups (> 80 char lines) were also added in
the process.
On Tue, Oct 28, 2008 at 10:10:37PM +0300, Andrey Borzenkov wrote:
[...]
> [ 66.633036] toshiba_acpi: Toshiba Laptop ACPI Extras version 0.19
> [ 66.633054] toshiba_acpi: HCI method: \_SB_.VALD.GHCI
> [ 66.637764] input: Toshiba RFKill Switch as /devices/virtual/input/input3
[...]
> [ 113.920753] ------------[ cut here ]------------
> [ 113.920828] kernel BUG at /home/bor/src/linux-git/net/rfkill/rfkill.c:347!
> [ 113.920845] invalid opcode: 0000 [#1]
> [ 113.920877] last sysfs file: /sys/devices/pci0000:00/0000:00:04.0/host0/target0:0:0/0:0:0:0/block/sda/size
> [ 113.920900] Dumping ftrace buffer:
> [ 113.920919] (ftrace buffer empty)
> [ 113.920933] Modules linked in: af_packet irnet ppp_generic slhc ircomm_tty ircomm binfmt_misc loop dm_mirror dm_region_hash dm_log dm_round_robin dm_multipath dm_mod alim15x3 ide_core nvram toshiba cryptomgr aead crypto_blkcipher michael_mic crypto_algapi orinoco_cs orinoco hermes_dld hermes pcmcia firmware_class snd_ali5451 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device smsc_ircc2 snd_pcm_oss snd_pcm rtc_cmos irda snd_timer snd_mixer_oss rtc_core snd crc_ccitt yenta_socket rtc_lib rsrc_nonstatic i2c_ali1535 pcmcia_core pcspkr psmouse soundcore i2c_core evdev sr_mod snd_page_alloc alim1535_wdt cdrom fan sg video output toshiba_acpi rfkill thermal backlight ali_agp processor ac button input_polldev battery agpgart ohci_hcd usbcore reiserfs pata_ali libata sd_mod scsi_mod [last unloaded: scsi_wait_scan]
> [ 113.921765]
> [ 113.921785] Pid: 3272, comm: ipolldevd Not tainted (2.6.28-rc2-1avb #3) PORTEGE 4000
> [ 113.921801] EIP: 0060:[<
dfaa4683>] EFLAGS:
00010246 CPU: 0
> [ 113.921854] EIP is at rfkill_force_state+0x53/0x90 [rfkill]
> [ 113.921870] EAX:
00000000 EBX:
00000000 ECX:
00000003 EDX:
00000000
> [ 113.921885] ESI:
00000000 EDI:
ddd50300 EBP:
d8d7af40 ESP:
d8d7af24
> [ 113.921900] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
> [ 113.921918] Process ipolldevd (pid: 3272, ti=
d8d7a000 task=
d8d93c90 task.ti=
d8d7a000)
> [ 113.921933] Stack:
> [ 113.921945]
d8d7af38 00000246 dfb029d8 dfb029c0 dfb029d8 dfb029c0 ddd50300 d8d7af5c
> [ 113.922014]
dfb018e2 01000246 01000000 ddd50300 ddd50314 ddabb8a0 d8d7af68 dfb381c1
> [ 113.922098]
00000000 d8d7afa4 c012ec0a 00000000 00000002 00000000 c012eba8 ddabb8c0
> [ 113.922240] Call Trace:
> [ 113.922240] [<
dfb018e2>] ? bt_poll_rfkill+0x5c/0x82 [toshiba_acpi]
> [ 113.922240] [<
dfb381c1>] ? input_polled_device_work+0x11/0x40 [input_polldev]
> [ 113.922240] [<
c012ec0a>] ? run_workqueue+0xea/0x1f0
> [ 113.922240] [<
c012eba8>] ? run_workqueue+0x88/0x1f0
> [ 113.922240] [<
dfb381b0>] ? input_polled_device_work+0x0/0x40 [input_polldev]
> [ 113.922240] [<
c012f047>] ? worker_thread+0x87/0xf0
> [ 113.922240] [<
c0132b00>] ? autoremove_wake_function+0x0/0x50
> [ 113.922240] [<
c012efc0>] ? worker_thread+0x0/0xf0
> [ 113.922240] [<
c013280f>] ? kthread+0x3f/0x80
> [ 113.922240] [<
c01327d0>] ? kthread+0x0/0x80
> [ 113.922240] [<
c01040d7>] ? kernel_thread_helper+0x7/0x10
> [ 113.922240] Code: 43 54 89 73 54 39 c6 74 11 89 d9 ba 01 00 00 00 b8 40 68 aa df e8 3e 35 69 e0 89 f8 e8 77 fd 85 e0 31 c0 83 c4 10 5b 5e 5f 5d c3 <0f> 0b eb fe 89 f6 8d bc 27 00 00 00 00 be f4 4d aa df bb 5f 01
> [ 113.922240] EIP: [<
dfaa4683>] rfkill_force_state+0x53/0x90 [rfkill] SS:ESP 0068:
d8d7af24
> [ 113.924700] ---[ end trace
0e404eb40cadd5f0 ]---
Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com>
Tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Acked-by: Len Brown <len.brown@intel.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Michael Halcrow [Mon, 15 Dec 2008 21:54:17 +0000 (13:54 -0800)]
eCryptfs: Update maintainers
Tyler Hicks and Dustin Kirkland are now the primary contact points for
eCryptfs issues that may arise from this point forward.
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Acked-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Acked-by: Dustin Kirkland <kirkland@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Catalin Marinas [Mon, 15 Dec 2008 21:54:16 +0000 (13:54 -0800)]
slob: do not pass the SLAB flags as GFP in kmem_cache_create()
The kmem_cache_create() function in the slob allocator passes the SLAB
flags as GFP flags to the slob_alloc() function. The patch changes this
call to pass GFP_KERNEL as the other allocators seem to do.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Mike Frysinger [Mon, 15 Dec 2008 21:54:14 +0000 (13:54 -0800)]
pcmcia: blackfin: fix bug - add missing ; to MODULE macro
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Nicolas Pitre [Mon, 15 Dec 2008 02:09:15 +0000 (03:09 +0100)]
[ARM] 5348/1: fix documentation wrt location of the alignment trap interface
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Russell King [Sun, 14 Dec 2008 18:01:44 +0000 (18:01 +0000)]
[ARM] Ensure linux/hardirqs.h is included where required
... for the removal of it from asm-generic/local.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rémi Denis-Courmont [Mon, 15 Dec 2008 08:53:57 +0000 (00:53 -0800)]
Phonet: keep TX queue disabled when the device is off
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Mon, 15 Dec 2008 08:39:17 +0000 (00:39 -0800)]
SCHED: netem: Correct documentation comment in code.
The netem simulator is no longer limited by Linux timer resolution HZ.
Not since Patrick McHardy changed the QoS system to use hrtimer.
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steven Rostedt [Mon, 15 Dec 2008 08:19:14 +0000 (00:19 -0800)]
netfilter: update rwlock initialization for nat_table
The commit
e099a173573ce1ba171092aee7bb3c72ea686e59
(netfilter: netns nat: per-netns NAT table) renamed the
nat_table from __nat_table to nat_table without updating the
__RW_LOCK_UNLOCKED(__nat_table.lock).
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 15 Dec 2008 00:25:19 +0000 (16:25 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/galak/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
powerpc/fsl-booke: Fix problem with _tlbil_va being interrupted
Zachary Amsden [Sat, 13 Dec 2008 20:36:58 +0000 (12:36 -0800)]
x86 Fix VMI crash on boot in 2.6.28-rc8
VMI initialiation can relocate the fixmap, causing early_ioremap to
malfunction if it is initialized before the relocation. To fix this,
VMI activation is split into two phases; the detection, which must
happen before setting up ioremap, and the activation, which must happen
after parsing early boot parameters.
This fixes a crash on boot when VMI is enabled under VMware.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 14 Dec 2008 23:46:01 +0000 (15:46 -0800)]
Revert "sched_clock: prevent scd->clock from moving backwards"
This reverts commit
5b7dba4ff834259a5623e03a565748704a8fe449, which
caused a regression in hibernate, reported by and bisected by Fabio
Comolli.
This revert fixes
http://bugzilla.kernel.org/show_bug.cgi?id=12155
http://bugzilla.kernel.org/show_bug.cgi?id=12149
Bisected-by: Fabio Comolli <fabio.comolli@gmail.com>
Requested-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Randy Dunlap [Mon, 1 Dec 2008 22:15:37 +0000 (14:15 -0800)]
[ARM] fix kernel-doc syntax
Fix kernel-doc notation to use correct syntax. Even though this should be
moved to where the function is actually implemented...
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Julia Lawall [Sat, 13 Dec 2008 15:37:59 +0000 (16:37 +0100)]
[ARM] arch/arm/common/sa1111.c: Correct error handling code
If it is reasonable to apply PTR_ERR to the result of calling clk_get, then
that result should first be tested with IS_ERR, not with !.
The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
expression E,E1;
@@
if (
- E == NULL
+ IS_ERR(E)
) { <+... when != E = E1
PTR_ERR(E)
...+> }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Stefan Richter [Sat, 13 Dec 2008 00:43:59 +0000 (01:43 +0100)]
ieee1394: add quirk fix for Freecom HDD
According to http://bugzilla.kernel.org/show_bug.cgi?id=12206, Freecom
FireWire Hard Drive 1TB reports max_rom=2 but returns garbage if block
read requests are used to read the config ROM. Force max_rom=0 to limit
them to quadlet read requests.
Reported-by: Christian Mueller <cm1@mumac.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Kumar Gala [Sat, 13 Dec 2008 23:01:37 +0000 (17:01 -0600)]
powerpc/fsl-booke: Fix problem with _tlbil_va being interrupted
An example calling sequence which we did see:
copy_user_highpage -> kmap_atomic -> flush_tlb_page -> _tlbil_va
We got interrupted after setting up the MAS registers before the
tlbwe and the interrupt handler that caused the interrupt also did
a kmap_atomic (ide code) and thus on returning from the interrupt
the MAS registers no longer contained the proper values.
Since we dont save/restore MAS registers for normal interrupts we
need to disable interrupts in _tlbil_va to ensure atomicity.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Linus Torvalds [Sat, 13 Dec 2008 19:32:24 +0000 (11:32 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/jwboyer/powerpc-4xx
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx:
powerpc/40x: Add proper BOOTCFLAGS for cuboot-acadia
Linus Torvalds [Sat, 13 Dec 2008 19:32:04 +0000 (11:32 -0800)]
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c-highlander: Trivial endian casting fixes
i2c-pmcmsp: Fix endianness misannotation
Linus Torvalds [Sat, 13 Dec 2008 19:28:13 +0000 (11:28 -0800)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
Commands needing to be retried require a complete re-initialization.
Linus Torvalds [Sat, 13 Dec 2008 19:26:34 +0000 (11:26 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: IP32: Update defconfig
MIPS: Add missing calls to plat_unmap_dma_mem.
MIPS: Kconfig: Fix the arch-specific header path
MIPS: Use EI/DI for MIPS R2.
Ingo Brueckl [Wed, 10 Dec 2008 22:35:00 +0000 (23:35 +0100)]
console ASCII glyph 1:1 mapping
For the console, there is a 1:1 mapping of glyphs which cannot be found
in the current font. This seems to be meant as a kind of 'emergency
fallback' for fonts without unicode mapping which otherwise would
display nothing readable on the screen.
At the moment it affects all chars for which no substitution character
is defined. In particular this means that for all chars (>= 128) where
there is no iso88591-1/unicode character (e.g. control character area)
you'll get the very strange 1:1 mapping of the (cp437) graphics card
glyphs.
I'm pretty sure that the 1:1 mapping should only affect strict ASCII
code characters, i.e. chars < 128.
The patch limits the mapping as it probably was meant anyway.
Signed-off-by: Ingo Brueckl <ib@wupperonline.de>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Cc: Egmont Koblinger <egmont@uhulinux.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ingo Brueckl [Wed, 10 Dec 2008 22:34:00 +0000 (23:34 +0100)]
unicode table for cp437
There is a major bug in the cp437 to unicode translation table. Char
0x7c is mapped to U+00a5 which is the Yen sign and wrong. The right
mapping is U+00a6 (broken bar).
Furthermore, a mapping for U+00b4 (a widely used character) is missing
even though easily possible.
The patch fixes these, as well as it provides a few other useful
mappings.
The changes are as follows:
0x0f (enhancement) enables a sort of currency symbol
0x27 (bug) enables a sort of acute accent which is a widely used character
0x44 (enhancement) enables a sort of icelandic capital letter eth
0x7c (major bug) corrects mapping
0xeb (enhancement) enables a sort of icelandic small letter eth
0xee (enhancement) enables a sort of math 'element of'
Signed-off-by: Ingo Brueckl <ib@wupperonline.de>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Daney [Wed, 10 Dec 2008 23:27:13 +0000 (15:27 -0800)]
MIPS: IP32: Update defconfig
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 11 Dec 2008 02:14:45 +0000 (18:14 -0800)]
MIPS: Add missing calls to plat_unmap_dma_mem.
dma_free_noncoherent() and dma_free_coherent() are missing calls to
plat_unmap_dma_mem(). This patch adds them.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Dmitri Vorobiev [Wed, 10 Dec 2008 20:38:36 +0000 (22:38 +0200)]
MIPS: Kconfig: Fix the arch-specific header path
The header path in the help text for the RUNTIME_DEBUG config option is
obsolete and needs to be updated to match the new location of
architecture-specific header files. While at it, fix the spelling mistake.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Wed, 10 Dec 2008 16:37:25 +0000 (08:37 -0800)]
MIPS: Use EI/DI for MIPS R2.
For MIPS R2, use the EI and DI instructions to enable and disable
interrupts.
Signed-off-by: Tomaso Paoletti <tpaoletti@caviumnetworks.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Alan D. Brunelle [Tue, 9 Dec 2008 14:52:15 +0000 (15:52 +0100)]
Commands needing to be retried require a complete re-initialization.
The test-unit-ready portion of this patch was causing boots to fail on
my test machine (as in http://lkml.org/lkml/2008/12/5/161). With this
patch in place, the system is booting reliably.
Mike Anderson found the same problem in the hp_hw_start_stop code,
and I applied the same solution in cdrom_read_cdda_bpc.
Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Cc: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Paul Moore [Fri, 12 Dec 2008 05:31:50 +0000 (21:31 -0800)]
netlabel: Compiler warning and NULL pointer dereference fix
Fix the two compiler warnings show below. Thanks to Geert Uytterhoeven for
finding and reporting the problem.
net/netlabel/netlabel_unlabeled.c:567: warning: 'entry' may be used
uninitialized in this function
net/netlabel/netlabel_unlabeled.c:629: warning: 'entry' may be used
uninitialized in this function
Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher [Fri, 12 Dec 2008 05:28:11 +0000 (21:28 -0800)]
e1000e: fix double release of mutex
During a reset, releasing the swflag after it failed to be acquired would
cause a double unlock of the mutex. Instead, test whether acquisition of
the swflag was successful and if not, do not release the swflag. The reset
must still be done to bring the device to a quiescent state.
This resolves [BUG 12200] BUG: bad unlock balance detected! e1000e
http://bugzilla.kernel.org/show_bug.cgi?id=12200
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Josh Boyer [Tue, 25 Nov 2008 06:33:35 +0000 (06:33 +0000)]
powerpc/40x: Add proper BOOTCFLAGS for cuboot-acadia
The cuboot-acadia.c wrapper can cause assembler errors on some
toolchains due to the lack of the proper BOOTCFLAGS. This adds
the proper flags for the file.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Harvey Harrison [Thu, 11 Dec 2008 11:11:21 +0000 (12:11 +0100)]
i2c-highlander: Trivial endian casting fixes
Fixes sparse warnings:
drivers/i2c/busses/i2c-highlander.c:95:26: warning: incorrect type in argument 1 (different base types)
drivers/i2c/busses/i2c-highlander.c:95:26: expected restricted __be16 const [usertype] *p
drivers/i2c/busses/i2c-highlander.c:95:26: got unsigned short [usertype] *<noident>
drivers/i2c/busses/i2c-highlander.c:106:15: warning: incorrect type in assignment (different base types)
drivers/i2c/busses/i2c-highlander.c:106:15: expected unsigned short [unsigned] [short] [usertype] <noident>
drivers/i2c/busses/i2c-highlander.c:106:15: got restricted __be16
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Harvey Harrison [Thu, 11 Dec 2008 11:11:20 +0000 (12:11 +0100)]
i2c-pmcmsp: Fix endianness misannotation
tmp is used as host-endian and is loaded from a be64, fix the cast and the
endian accessor used.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Nicolas Pitre [Tue, 9 Dec 2008 02:13:39 +0000 (03:13 +0100)]
[ARM] 5341/2: there is no copy_page on nommu ARM
... as it is defined with memcpy, therefore no copy_page symbol to
export.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Linus Torvalds [Wed, 10 Dec 2008 17:26:17 +0000 (09:26 -0800)]
Revert "radeonfb: accelerate imageblit and other improvements"
This reverts commit
b1ee26bab14886350ba12a5c10cbc0696ac679bf, along with
the "fixes" for it that all just caused problems:
-
c4c6fa9891f3d1bcaae4f39fb751d5302965b566 "radeonfb: fix problem with
color expansion & alignment"
-
f3179748a157c21d44d929fd3779421ebfbeaa93 "radeonfb: Disable new color
expand acceleration unless explicitely enabled"
because even when disabled, it breaks for people. See
http://bugzilla.kernel.org/show_bug.cgi?id=12191
for the latest example.
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Cc: James Cloos <cloos@jhcloos.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Jean-Luc Coulon <jean.luc.coulon@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alexander Beregalov [Wed, 10 Dec 2008 23:24:50 +0000 (15:24 -0800)]
IA64: HP_SIMETH needs to depend upon NET
From: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Wed, 10 Dec 2008 23:11:51 +0000 (15:11 -0800)]
Linux 2.6.28-rc8
Linus Torvalds [Wed, 10 Dec 2008 22:41:06 +0000 (14:41 -0800)]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: CPU remove deadlock fix
Hugh Dickins [Wed, 10 Dec 2008 20:48:52 +0000 (20:48 +0000)]
fix mapping_writably_mapped()
Lee Schermerhorn noticed yesterday that I broke the mapping_writably_mapped
test in 2.6.7! Bad bad bug, good good find.
The i_mmap_writable count must be incremented for VM_SHARED (just as
i_writecount is for VM_DENYWRITE, but while holding the i_mmap_lock)
when dup_mmap() copies the vma for fork: it has its own more optimal
version of __vma_link_file(), and I missed this out. So the count
was later going down to 0 (dangerous) when one end unmapped, then
wrapping negative (inefficient) when the other end unmapped.
The only impact on x86 would have been that setting a mandatory lock on
a file which has at some time been opened O_RDWR and mapped MAP_SHARED
(but not necessarily PROT_WRITE) across a fork, might fail with -EAGAIN
when it should succeed, or succeed when it should fail.
But those architectures which rely on flush_dcache_page() to flush
userspace modifications back into the page before the kernel reads it,
may in some cases have skipped the flush after such a fork - though any
repetitive test will soon wrap the count negative, in which case it will
flush_dcache_page() unnecessarily.
Fix would be a two-liner, but mapping variable added, and comment moved.
Reported-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 10 Dec 2008 22:40:21 +0000 (14:40 -0800)]
Merge branch 'to-linus' of git://git./linux/kernel/git/frob/linux-2.6-roland
* 'to-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland:
tracehook: exec double-reporting fix
Manfred Spraul [Wed, 10 Dec 2008 17:17:06 +0000 (18:17 +0100)]
lib/idr.c: Fix bug introduced by RCU fix
The last patch to lib/idr.c caused a bug if idr_get_new_above() was
called on an empty idr.
Usually, nodes stay on the same layer. New layers are added to the top
of the tree.
The exception is idr_get_new_above() on an empty tree: In this case, the
new root node is first added on layer 0, then moved upwards. p->layer
was not updated.
As usual: You shall never rely on the source code comments, they will
only mislead you.
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Akira Takeuchi [Wed, 10 Dec 2008 12:43:39 +0000 (12:43 +0000)]
MN10300: Give correct size when reserving interrupt vector table
Give the correct size when reserving the interrupt vector table. It should be
a page not a single byte.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Akira Takeuchi [Wed, 10 Dec 2008 12:43:34 +0000 (12:43 +0000)]
MN10300: Fix __put_user_asm8()
Fix __put_user_asm8() by jumping to the end label (3:) from the exception
handler, rather than jumping back to retry the second store instruction (label
2:).
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Akira Takeuchi [Wed, 10 Dec 2008 12:43:29 +0000 (12:43 +0000)]
MN10300: Fix the preemption resume_kernel() routine
Fix the preemption resume_kernel() routine by inverting the test to see
whether interrupts are off (IM7 is all enabled, not all disabled).
Furthermore, interrupts should be disabled on entry to resume_kernel() so that
they're correctly set for jumping to restore_all() and doing the need
reschedule test.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Akira Takeuchi [Wed, 10 Dec 2008 12:43:24 +0000 (12:43 +0000)]
MN10300: Discard low-priority Tx interrupts when closing an on-chip serial port
Discard low-prioriy Tx interrupts when closing an MN10300 on-chip serial port.
The MN10300 on-chip serial port uses three interrupts to manage its serial
ports:
(1) A very high priority interrupt that drives virtual DMA for Rx.
(2) A very high priority interrupt that drives virtual DMA for Tx.
(3) A normal priority virtual interrupt that does the normal UART interrupt
stuff and is shared between Rx and Tx.
mn10300_serial_stop_tx() only disables the high priority Tx interrupt. It
doesn't also disable the normal priority one because it is shared with Rx.
However, the high priority interrupt may interrupt local_irq_disabled()
sections, and so may have queued up a low priority virtual interrupt whilst the
UART driver is asking for the Tx interrupt to be disabled.
The result of this can be an oops when we try to process the interrupt in
mn10300_serial_transmit_interrupt() as port->uart.info and port->uart.info->tty
may have gone away.
To deal with this, if either of those pointers is NULL, we make sure the
high-priority Tx interrupt is disabled and discard the interrupt. The low
priority interrupt is disabled by the mn10300_serial_pic irq_chip table.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cyrill Gorcunov [Wed, 10 Dec 2008 12:43:19 +0000 (12:43 +0000)]
MN10300: vmlinux.lds.S cleanup - use PAGE_SIZE, PERCPU macros
Include the linux/page.h header into the MN10300 kernel linker script thus
allowing us to use PAGE_SIZE macro instead of a numeric constant.
Also use the PERCPU macro instead of an explicit section definition.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 10 Dec 2008 18:13:57 +0000 (10:13 -0800)]
Merge git://git./linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: api - Disallow cryptomgr as a module if algorithms are built-in
Linus Torvalds [Wed, 10 Dec 2008 18:04:50 +0000 (10:04 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCIe: ASPM: Break out of endless loop waiting for PCI config bits to switch
PCI: stop leaking 'slot_name' in pci_create_slot
Linus Torvalds [Wed, 10 Dec 2008 18:04:25 +0000 (10:04 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] SN: prevent IRQ retargetting in request_irq()
[IA64] Fix section mismatch ioc3uart_init()/ioc3uart_submodule
[IA64] Clear up section mismatch for ioc4_ide_attach_one.
[IA64] Clear up section mismatch with arch_unregister_cpu()
[IA64] Clear up section mismatch for sn_check_wars.
[IA64] Updated the generic_defconfig to work with the 2.6.28-rc7 kernel.
[IA64] Fix GRU compile error w/o CONFIG_HUGETLB_PAGE
[IA64] eliminate NULL test and memset after alloc_bootmem
[IA64] remove BUILD_BUG_ON from paravirt_getreg()
Linus Torvalds [Wed, 10 Dec 2008 18:03:55 +0000 (10:03 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: Better than nothing implementation of PCI mmap to fix X.
Kay Sievers [Sat, 6 Dec 2008 03:38:11 +0000 (04:38 +0100)]
pktcdvd: remove broken dev_t export of class devices
The pktcdvd created class devices only export some sysfs files,
but have no char dev_t registered in the driver.
At class device creation time they copy the dev_t value of the
block device to the char device, wich will register a new char
device in the driver core and userspace, with a conflicting dev_t
value.
In many cases the class devices dev_t just points to a random
USB device. This fixes the sysfs "duplicate entry" errors.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Acked-by: Peter Osterlund <petero2@telia.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 10 Dec 2008 18:02:17 +0000 (10:02 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: fw-ohci: fix IOMMU resource exhaustion
ieee1394: node manager causes up to ~3.25s delay in freezing tasks
Andrew Morton [Tue, 9 Dec 2008 21:14:31 +0000 (13:14 -0800)]
drivers/video/mb862xx/mb862xxfb.c: fix printk
sparc64:
drivers/video/mb862xx/mb862xxfb.c:929: warning: long long unsigned int format, resource_size_t arg (arg 4)
drivers/video/mb862xx/mb862xxfb.c:931: warning: long long unsigned int format, resource_size_t arg (arg 4)
We don't know what type the architecture uses to implement u64, hence they
cannot be printed.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Matteo Fortini <m.fortini@selcomgroup.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Hugh Dickins [Tue, 9 Dec 2008 21:14:27 +0000 (13:14 -0800)]
KSYM_SYMBOL_LEN fixes
Miles Lane tailing /sys files hit a BUG which Pekka Enberg has tracked
to my
966c8c12dc9e77f931e2281ba25d2f0244b06949 sprint_symbol(): use
less stack exposing a bug in slub's list_locations() -
kallsyms_lookup() writes a 0 to namebuf[KSYM_NAME_LEN-1], but that was
beyond the end of page provided.
The 100 slop which list_locations() allows at end of page looks roughly
enough for all the other stuff it might print after the symbol before
it checks again: break out KSYM_SYMBOL_LEN earlier than before.
Latencytop and ftrace and are using KSYM_NAME_LEN buffers where they
need KSYM_SYMBOL_LEN buffers, and vmallocinfo a 2*KSYM_NAME_LEN buffer
where it wants a KSYM_SYMBOL_LEN buffer: fix those before anyone copies
them.
[akpm@linux-foundation.org: ftrace.h needs module.h]
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc Miles Lane <miles.lane@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Dmitri Monakhov [Tue, 9 Dec 2008 21:14:26 +0000 (13:14 -0800)]
inotify: fix IN_ONESHOT unmount event watcher
On umount two event will be dispatched to watcher:
1: inotify_dev_queue_event(.., IN_UNMOUNT,..)
2: remove_watch(watch, dev)
->inotify_dev_queue_event(.., IN_IGNORED, ..)
But if watcher has IN_ONESHOT bit set then the watcher will be released
inside first event. Which result in accessing invalid object later. IMHO
it is not pure regression. This bug wasn't triggered while initial
inotify interface testing phase because of another bug in IN_ONESHOT
handling logic :)
commit
ac74c00e499ed276a965e5b5600667d5dc04a84a
Author: Ulisses Furquim <ulissesf@gmail.com>
Date: Fri Feb 8 04:18:16 2008 -0800
inotify: fix check for one-shot watches before destroying them
As the IN_ONESHOT bit is never set when an event is sent we must check it
in the watch's mask and not in the event's mask.
TESTCASE:
mkdir mnt
mount -ttmpfs none mnt
mkdir mnt/d
./inotify mnt/d&
umount mnt ## << lockup or crash here
TESTSOURCE:
/* gcc -oinotify inotify.c */
#include <stdio.h>
#include <stdlib.h>
#include <sys/inotify.h>
int main(int argc, char **argv)
{
char buf[1024];
struct inotify_event *ie;
char *p;
int i;
ssize_t l;
p = argv[1];
i = inotify_init();
inotify_add_watch(i, p, ~0);
l = read(i, buf, sizeof(buf));
printf("read %d bytes\n", l);
ie = (struct inotify_event *) buf;
printf("event mask: %d\n", ie->mask);
return 0;
}
Signed-off-by: Dmitri Monakhov <dmonakhov@openvz.org>
Cc: John McCutchan <ttb@tentacle.dhs.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Robert Love <rlove@google.com>
Cc: Ulisses Furquim <ulissesf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Eric Dumazet [Tue, 9 Dec 2008 21:14:25 +0000 (13:14 -0800)]
atomic: fix a typo in atomic_long_xchg()
atomic_long_xchg() is not correctly defined for 32bit arches.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Brice Goglin [Tue, 9 Dec 2008 21:14:23 +0000 (13:14 -0800)]
mm: no get_user/put_user while holding mmap_sem in do_pages_stat?
Since commit
2f007e74bb85b9fc4eab28524052161703300f1a, do_pages_stat()
gets the page address from user-space and puts the corresponding status
back while holding the mmap_sem for read. There is no need to hold
mmap_sem there while some page-faults may occur.
This patch adds a temporary address and status buffer so as to only
hold mmap_sem while working on these kernel buffers. This is
implemented by extracting do_pages_stat_array() out of do_pages_stat().
Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
projects / profile / common / kernel-common.git / log