Hiroshi Shimamoto [Thu, 18 Dec 2008 02:47:17 +0000 (18:47 -0800)]
x86: signal: move ia32 func declarations into arch/x86/kernel/signal.c
Impact: cleanup
Move declarations of ia32_setup_rt_frame() and ia32_setup_frame() into
arch/x86/kernel/signal.c.
This is for future use of sigframe.h.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Takashi Iwai [Wed, 17 Dec 2008 12:48:29 +0000 (13:48 +0100)]
ALSA: hda - Fix silent HP output on D975
Some desktops seems to have no HP/mic jack detection on the front panel,
which results in the silent output in the recent driver, because the
driver mutes the output (to save power) when no plug is detected.
This patch adds a new model that disables the jack-detection.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Michael Chan [Thu, 18 Dec 2008 03:06:08 +0000 (19:06 -0800)]
bnx2: Fix bug in bnx2_free_rx_mem().
DMA memory for the jumbo rx page rings was freed incorrectly using the
wrong local variable as the array index.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Neil Horman [Thu, 18 Dec 2008 00:07:47 +0000 (16:07 -0800)]
PCI hotplug: ibmphp: Fix module ref count underflow
I happened to notice that the ibmphp hotplug driver does something
rather silly in its init routine. It purposely calls module_put so as
to underflow its module ref count to avoid being removed from the
kernel. This is bad practice, and wrong, since it provides a window for
subsequent module_gets to reset the refcount to zero, allowing an unload
to race in and cause all sorts of mysterious panics. If the module is
unsafe to load, simply omitting the module_exit parameter is sufficient
to prevent the kernel from allowing the unload.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Samuel Ortiz [Wed, 17 Dec 2008 23:44:58 +0000 (15:44 -0800)]
irda: Add irda_skb_cb qdisc related padding
We need to pad irda_skb_cb in order to keep it safe accross dev_queue_xmit()
calls. This is some ugly and temporary hack triggered by recent qisc code
changes.
Even though it fixes bugzilla.kernel.org bug #11795, it will be replaced by a
proper fix before 2.6.29 is released.
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Wed, 17 Dec 2008 23:05:26 +0000 (15:05 -0800)]
Merge branch 'i2c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux
* 'i2c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux:
i2c-s3c2410: fix check for being in suspend.
i2c-cpm: Detect and report NAK right away instead of timing out
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>
Joerg Roedel [Wed, 17 Dec 2008 15:36:44 +0000 (16:36 +0100)]
AMD IOMMU: panic if completion wait loop fails
Impact: prevents data corruption after a failed completion wait loop
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Joerg Roedel [Wed, 17 Dec 2008 14:06:01 +0000 (15:06 +0100)]
AMD IOMMU: set cmd buffer pointers to zero manually
Impact: set cmd buffer head and tail pointers to zero in case nobody else did
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Jiri Slaby [Wed, 10 Dec 2008 12:09:27 +0000 (09:09 -0300)]
V4L/DVB (9908a): MAINTAINERS: mark linux-uvc-devel as subscribers only
Posting to linux-uvc-devel is restricted to members.
You can subscribe to the list at ...
MAINTAINERS | 2 +-
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Hans-Christian Egtvedt [Wed, 26 Nov 2008 10:40:42 +0000 (11:40 +0100)]
avr32: remove .note.gnu.build-id section when making vmlinux.bin
This patch will remove the section .note.gnu.build-id added in binutils
2.18 from the vmlinux.bin binary. Not removing this section results in a
huge multiple gigabyte binary and likewize large uImage.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
cwm97m [Tue, 16 Dec 2008 20:28:44 +0000 (20:28 +0000)]
jme: Fixed a typo
Found a typo.
Signed-off-by: Wei-Min Chen <cwm97m@cse.nsysu.edu.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
Krzysztof Halasa [Wed, 17 Dec 2008 08:24:13 +0000 (00:24 -0800)]
net: kernel BUG at drivers/net/phy/mdio_bus.c:165!
kernel BUG at drivers/net/phy/mdio_bus.c:165!
Unable to handle kernel NULL pointer dereference at virtual address
00000000
How?
mdiobus_alloc() sets bus->state = MDIOBUS_ALLOCATED.
mdiobus_register() sets bus->state = MDIOBUS_REGISTERED but then can
fail (mdiobus_scan()) returning an error to the caller.
The caller aborts correctly with mdiobus_free() which does:
if (bus->state == MDIOBUS_ALLOCATED) {
kfree(bus);
return;
}
BUG_ON(bus->state != MDIOBUS_UNREGISTERED);
Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 17 Dec 2008 05:55:44 +0000 (21:55 -0800)]
sparc: We need to implement arch_ptrace_stop().
In order to always provide fully synchronized state to the debugger,
we might need to do a synchronize_user_stack().
A pair of hooks, arch_ptrace_stop_needed() and arch_ptrace_stop(),
exist to handle this kind of situation. It was created for
the sake of IA64.
Use them, to flush the kernel side cached register windows
to the user stack, when necessary.
Signed-off-by: David S. Miller <davem@davemloft.net>
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>
Jarek Poplawski [Tue, 16 Dec 2008 23:42:20 +0000 (15:42 -0800)]
drivers/net: starfire: Fix napi ->poll() weight handling
starfire napi ->poll() handler can return work == weight after calling
netif_rx_complete() (if there is no more work). It is illegal and this
patch fixes it.
Reported-by: Alexander Huemer <alexander.huemer@sbg.ac.at>
Tested-by: Alexander Huemer <alexander.huemer@sbg.ac.at>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sakari Ailus [Tue, 16 Dec 2008 23:22:41 +0000 (15:22 -0800)]
tlan: Fix pci memory unmapping
Fix pci unmapping problem introduced by commit id
8953f1282793882a5444924f7a273dc72a43d0a3 "tlan: Fix small (< 64 bytes)
datagram transmissions".
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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>
Hiroshi Shimamoto [Tue, 16 Dec 2008 22:04:43 +0000 (14:04 -0800)]
x86: ia32_signal: use proper macro __USER32_DS
Impact: cleanup
Use __USER32_DS instead of __USER_DS in ia32_signal.c.
No impact, because __USER32_DS is defined __USER_DS.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Hiroshi Shimamoto [Tue, 16 Dec 2008 22:03:36 +0000 (14:03 -0800)]
x86: ia32_signal: use __put_user() instead of __copy_to_user()
Impact: cleanup
__put_user() can be used for constant size 8, like arch/x86/kernel/signal.c.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Hiroshi Shimamoto [Tue, 16 Dec 2008 22:02:16 +0000 (14:02 -0800)]
x86: signal: use signal_fault() in sys_sigreturn()
Impact: cleanup
Call signal_fault() in error route of sys_sigreturn().
Change log level to KERN_EMERG if current is init.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Russ Anderson [Fri, 12 Dec 2008 17:07:00 +0000 (11:07 -0600)]
sgi-xp: xpc needs to pass the physical address, not virtual
Impact: fix crash
xpc needs to pass the physical address, not virtual.
Testing uncovered this problem. The virtual address happens to work
most of the time due to the way bios was masking off the node bits.
Passing the physical address makes it work all of the time.
Signed-off-by: Russ Anderson <rja@sgi.com>
Acked-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andi Kleen [Mon, 15 Dec 2008 22:33:10 +0000 (23:33 +0100)]
x86: re-enable MCE on secondary CPUS after suspend/resume
Impact: fix disabled MCE after resume
Don't prevent multiple initialization of MCEs.
Back from early prehistory mcheck_init() has a reentry check. Presumably
that was needed in very old kernels to prevent it entering twice.
But as Andreas points out this prevents CPU hotplug (and therefore resume)
to correctly reinitialize MCEs when a AP boots again after being
offlined.
Just drop the check.
Reported-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jack Steiner [Fri, 12 Dec 2008 20:50:40 +0000 (14:50 -0600)]
x86: UV fix for global physical addresses
Impact: fix UV boot crash
This fixes a UV bug related to generating global memory addresses
on partitioned systems. Partition systems do not have physical memory
at address 0. Instead, a chunk of high memory is remapped by the chipset
so that it appears to be at address 0. This remapping is INVISIBLE to most
of the OS. The only OS functions that need to be aware of the remaping are
functions that directly interface to the chipset. The GRU is one example.
Also, delete a couple of unused macros related to global memory addresses.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Tue, 16 Dec 2008 21:53:53 +0000 (22:53 +0100)]
Merge commit 'v2.6.28-rc8' into x86/uv
Zachary Amsden [Fri, 12 Dec 2008 19:26:35 +0000 (11:26 -0800)]
x86: clean up dead code in vmi_32.c
Impact: cleanup, remove dead debug code
I ran across some old debugging code in vmi paravirt-ops code that was
already dead, but still potentially useful. After reviewing recent
changes to the way kernel page tables are allocated and initialized, and
the lack of bugs caught by this debugging code, I've concluded it is now
totally useless to have around, and it's already been #if 0'd for quite
some time.
There's no rush to get this in mainline, but it's also totally harmless,
so I'll let the x86 maintainers decide where it should be tucked. I've
been out of the mainstream dev loop for a couple months, so apologies if
I haven't got any protocol changes in order.
Remove mummified remains found in vmi_32.c
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Hiroshi Shimamoto [Fri, 12 Dec 2008 23:52:26 +0000 (15:52 -0800)]
x86: hardirq: use inc_irq_stat() in non-unified functions
Impact: cleanup
Replace incrementing irq stat with inc_irq_stat() in non-unified functions.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Justin Chen [Thu, 11 Dec 2008 18:16:44 +0000 (11:16 -0700)]
PCI hotplug: acpiphp wants a 64-bit _SUN
Certain HP machines require the full 64 bits of _SUN as allowed
by the ACPI spec. Without this change, we get name collisions in
the lower 32 bits of the _SUN returned by firmware.
Acked-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Justin Chen <justin.chen@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Kenji Kaneshige [Mon, 8 Dec 2008 05:30:24 +0000 (14:30 +0900)]
PCI: pciehp: fix unexpected power off with pciehp_force
This patch fixes the problem that causes an occupied slot to be turned
off even if it has a working device.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Hidetoshi Seto [Mon, 1 Dec 2008 07:31:06 +0000 (16:31 +0900)]
PCI: fix aer resume sanity check
What we have to check here before calling is err_handler->resume, not
->slot_reset. Looks like a copy & paste error from report_slot_reset.
Acked-by: Yanmin Zhang <yanmin.zhang@intel.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Philipp Kohlbecher [Sun, 14 Dec 2008 17:50:01 +0000 (18:50 +0100)]
x86: documentation fix regarding boot protocol
Impact: clarify documentation
Documentation/x86/boot.txt describes payload_offset as the offset
from the end of the real-mode code. In fact, it is more accurately
described as the offset from the beginning of the protected-mode
code, as (a) this is how it is actually calculated and (b) the padding
after the real-mode code is not included in the offset.
Signed-off-by: Philipp Kohlbecher <xt28@gmx.de>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Tue, 16 Dec 2008 21:04:48 +0000 (22:04 +0100)]
Merge commit 'v2.6.28-rc8' into x86/doc
Jeremy Fitzhardinge [Tue, 16 Dec 2008 20:37:07 +0000 (12:37 -0800)]
xen: clean up asm/xen/hypervisor.h
Impact: cleanup
hypervisor.h had accumulated a lot of crud, including lots of spurious
#includes. Clean it all up, and go around fixing up everything else
accordingly.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ben Dooks [Fri, 31 Oct 2008 16:10:22 +0000 (16:10 +0000)]
i2c-s3c2410: fix check for being in suspend.
As noted by Julia Lawall <julia@diku.dk>, we can never
trigger the check for being in suspend due to the result
of !readl(i2c->regs + S3C2410_IICCON) & S3C2410_IICCON_IRQEN
always being 0.
Add suspend/resume hooks to stop i2c transactions happening
until the driver has been resumed.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Jaswinder Singh [Mon, 15 Dec 2008 17:41:10 +0000 (23:11 +0530)]
x86: setup.c find_and_reserve_crashkernel should be static
Impact: cleanup, reduce kernel size a bit
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jaswinder Singh [Mon, 15 Dec 2008 16:56:30 +0000 (22:26 +0530)]
x86: ldt.c declare sys_modify_ldt before they get used
Impact: cleanup
In asm/syscalls.h moved out sys_modify_ldt from CONFIG_X86_32 as it is
common for both 32 and 64 bit.
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Mike Ditto [Tue, 16 Dec 2008 20:17:09 +0000 (20:17 +0000)]
i2c-cpm: Detect and report NAK right away instead of timing out
Make the driver report an ENXIO error immediately upon NAK instead of
waiting for another interrupt and getting a timeout.
When reading from a device that is not present or declines to respond
to, e.g., a non-existent register address, CPM immediately reports a
NAK condition in the TxBD, but the driver kept waiting until a timeout,
which takes 1 second and causes an ugly console error message.
Signed-off-by: Mike Ditto <mditto@consentry.com>
Acked-by: Jochen Friedrich <jochen@scram.de>
[ben-linux@fluff.org: reordered description text]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Jaswinder Singh [Mon, 15 Dec 2008 16:54:48 +0000 (22:24 +0530)]
x86: signal.c declare do_notify_resume before they get used
Impact: cleanup
In asm/signal.h moved out do_notify_resume from __i386__ as it is common
for both 32 and 64 bit.
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/include/asm/signal.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Jaswinder Singh [Mon, 15 Dec 2008 16:53:54 +0000 (22:23 +0530)]
x86: process_64.c declare __switch_to() and sys_arch_prctl before they get used
Impact: cleanup
In asm/system.h moved out __switch_to from CONFIG_X86_32 as it is common for
both 32 and 64 bit.
In asm/pctl.h defined sys_arch_prctl
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Tej [Tue, 16 Dec 2008 19:56:06 +0000 (11:56 -0800)]
xen: whitespace/checkpatch cleanup
Impact: cleanup
Signed-off-by: Tej <bewith.tej@gmail.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Venki Pallipadi [Tue, 18 Nov 2008 00:11:37 +0000 (16:11 -0800)]
x86: support always running TSC on Intel CPUs
Impact: reward non-stop TSCs with good TSC-based clocksources, etc.
Add support for CPUID_0x80000007_Bit8 on Intel CPUs as well. This bit means
that the TSC is invariant with C/P/T states and always runs at constant
frequency.
With Intel CPUs, we have 3 classes
* CPUs where TSC runs at constant rate and does not stop n C-states
* CPUs where TSC runs at constant rate, but will stop in deep C-states
* CPUs where TSC rate will vary based on P/T-states and TSC will stop in deep
C-states.
To cover these 3, one feature bit (CONSTANT_TSC) is not enough. So, add a
second bit (NONSTOP_TSC). CONSTANT_TSC indicates that the TSC runs at
constant frequency irrespective of P/T-states, and NONSTOP_TSC indicates
that TSC does not stop in deep C-states.
CPUID_0x8000000_Bit8 indicates both these feature bit can be set.
We still have CONSTANT_TSC _set_ and NONSTOP_TSC _not_set_ on some older Intel
CPUs, based on model checks. We can use TSC on such CPUs for time, as long as
those CPUs do not support/enter deep C-states.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Tue, 16 Dec 2008 20:02:10 +0000 (21:02 +0100)]
Merge branch 'x86/cpufeature' into x86/tsc
Merge itto in x86/tsc because an upcoming patch relies on a new
cpuid bit defined in the x86/cpufeature branch.
Ingo Molnar [Tue, 16 Dec 2008 19:59:24 +0000 (20:59 +0100)]
x86: support always running TSC on Intel CPUs, add cpufeature definition
Impact: add new synthetic-cpuid bit definition
add X86_FEATURE_NONSTOP_TSC to the cpufeature bits - this is in
preparation of Venki's always-running-TSC patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Tue, 16 Dec 2008 19:57:41 +0000 (20:57 +0100)]
Merge commit 'v2.6.28-rc8' into x86/cpufeature
James Bottomley [Mon, 15 Dec 2008 20:13:27 +0000 (14:13 -0600)]
[SCSI] mpt fusion: clear list of outstanding commands on host reset
A bug in the fusion driver was exposed by the switch to block timeout.
Basically, drivers are supposed to terminate commands once error
handling begins on them. The fusion apparently wasn't doing this.
Under the old timeout regime, completions on terminated commands would
by and large get ignored because of the way command timeouts used to
work. The new block timers are very intolerant to this, though,
becuase the request gets cleaned and freed.
Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=12195
Reported-by: Alex Shi <alex.shi@intel.com>
Tested-by: Ming Lin <ming.m.lin@intel.com>
Cc: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Andreas Herrmann [Tue, 16 Dec 2008 18:22:36 +0000 (19:22 +0100)]
x86: microcode_amd: modify log messages
Impact: change microcode printk content
Change log level and provide (at least I tried to;-) consistent, short,
meaningful content.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:21:30 +0000 (19:21 +0100)]
x86: microcode_amd: use 'packed' attribute for structs
Impact: cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:20:21 +0000 (19:20 +0100)]
x86: microcode_amd: remove (wrong) chipset deivce ID checks
Impact: remove dead/incorrect code
Currently there is no chipset specific ucode. The checks are incorrect
anyway (e.g. pci device IDs are 16 bit and not 8 bit).
Thus I remove the stuff for the time being and will reintroduce it if
it's foreseeable that it is really needed.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:17:45 +0000 (19:17 +0100)]
x86: microcode_amd: consolidate macro definitions
Impact: cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:16:34 +0000 (19:16 +0100)]
x86: microcode_amd: replace inline asm by common rdmsr/wrmsr functions
Impact: cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:14:05 +0000 (19:14 +0100)]
x86: microcode_amd: don't pass superfluous function pointer for get_ucode_data
Impact: cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:13:00 +0000 (19:13 +0100)]
x86: microcode_amd: fix compile warning
Impact: fix build warning
CC arch/x86/kernel/microcode_amd.o
arch/x86/kernel/microcode_amd.c: In function ‘request_microcode_fw’:
arch/x86/kernel/microcode_amd.c:393: warning: passing argument 2 of ‘generic_load_microcode’ discards qualifiers from pointer target type
(Respect "const" qualifier of firmware->data.)
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:11:23 +0000 (19:11 +0100)]
x86: microcode_amd: fix checkpatch warnings/errors
Impact: cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:08:53 +0000 (19:08 +0100)]
x86: microcode_amd: fix typos and trailing whitespaces in log messages
Impact: fix printk typos
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Tue, 16 Dec 2008 18:07:47 +0000 (19:07 +0100)]
x86: microcode_amd: fix wrong handling of equivalent CPU id
Impact: fix bug resulting in non-loaded AMD microcode
mc_header->processor_rev_id is a 2 byte value. Similar is true for
equiv_cpu in an equiv_cpu_entry -- only 2 bytes are of interest.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Hans Verkuil [Tue, 16 Dec 2008 11:32:37 +0000 (08:32 -0300)]
V4L/DVB (9906): v4l2-compat: test for unlocked_ioctl as well.
The v4l_compat_ioctl32() function only tested for the presence of the
ioctl op, not for unlocked_ioctl. So it would always return an error
when used with drivers that use unlocked_ioctl instead of ioctl.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Mauro Carvalho Chehab [Sun, 14 Dec 2008 22:39:03 +0000 (19:39 -0300)]
V4L/DVB (9885): drivers/media Kconfig's: fix bugzilla #12204
When the tuner modules were moved to common/tuners, a separate customize
option were added for tuners. However, the automatic selection of the
tuners were still using the older option.
This causes that the automatic selection to fail, if DVB_FE_CUSTOMISE is
selected. Also, since those tuners are now under MEDIA_TUNER_CUSTOMIZE
menu, if you unset MEDIA_TUNER_CUSTOMIZE, you can't manually select the
tuners.
This patch fixes this error by replacing DVB_FE_CUSTOMISE by
MEDIA_TUNER_CUSTOMIZE on all places were a tuner is selected.
The patch were generated by this small script:
for i in `find drivers/media -name Kconfig`; do
cat $i|perl -ne 's/(MEDIA_TUNER.*)DVB_FE_CUSTOMISE/\1MEDIA_TUNER_CUSTOMIZE/; print $_' >a
mv a $i
done
Also, manually reordered the tuner entries.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Jim Paris [Wed, 10 Dec 2008 08:50:44 +0000 (05:50 -0300)]
V4L/DVB (9875): gspca - main: Fix vidioc_s_jpegcomp locking.
Signed-off-by: Jim Paris <jim@jtan.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Seppälä [Mon, 1 Dec 2008 09:59:37 +0000 (06:59 -0300)]
V4L/DVB (9781): [PATCH] Cablestar 2 I2C retries (fix CableStar2 support)
At some point the Flexcop driver was changed to support newer Flexcop cards.
These modifications however broke the detection of Cablestar 2 DVB-C cards.
The reason is that the earlier version of the driver used to retry
unsuccessful i2c operations. The demodulator of Cablestar 2 cards (stv0297)
seems to be very dependent on these retries and adding them back fixes
Cablestar detection.
This patch restores this behaviour for the CableStar2.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Devin Heitmueller [Mon, 1 Dec 2008 09:51:14 +0000 (06:51 -0300)]
V4L/DVB (9780): dib0700: Stop repeating after user stops pushing button
A user noticed that there would continue to be 4-6 keypresses even after the
user stopped holding down the button. This was because we were not reading
the bulk pipe faster than the firmware was injecting information, which would
result in a backlog.
Make the query interval faster, and increase the number of cycles before we
start repeating to compensate.
Thanks to Knud Poulsen <knud.poulsen@nokia.com> for pointing this out.
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Ingo Molnar [Tue, 16 Dec 2008 18:23:36 +0000 (19:23 +0100)]
x86, mm: limit MAXMEM on 64-bit
on 64-bit x86 the physical memory limit is controlled by the sparsemem
bits - which are 44 bits right now. But MAXMEM (the max pfn number
e820 parsing will allow to enter our sizing routines) is set to
0x00003fffffffffff, i.e. 46 bits - that's too large because it overlaps
into the vmalloc range.
So couple MAXMEM to MAX_PHYSMEM_BITS, and add a comment that the
maximum of MAX_PHYSMEM_BITS is 45 bits.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Joerg Roedel [Tue, 16 Dec 2008 18:17:11 +0000 (19:17 +0100)]
AMD IOMMU: allocate rlookup_table with __GFP_ZERO
Impact: fix bug which can lead to panic in prealloc_protection_domains()
Signed-off-by: Joerg Roedel <joerg.roedel@amd.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
Jan Beulich [Tue, 16 Dec 2008 11:46:58 +0000 (11:46 +0000)]
x86, 32-bit: improve lazy TLB handling code
Impact: micro-optimize the 32-bit TLB flush code
Use the faster x86_{read,write}_percpu() accessors here.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich [Tue, 16 Dec 2008 11:45:56 +0000 (11:45 +0000)]
x86, 32-bit: add some compile time checks to mem_init()
Some of the inconsistencies checked for at run time can be detected at
build time already, so duplicate the checks done at run time to also be
done at build time.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich [Tue, 16 Dec 2008 11:42:45 +0000 (11:42 +0000)]
x86, 32-bit: simplify alloc_low_page()
Impact: cleanup
Neither of the callers really needs the physical address this function
returns, so eliminate the pointless argument.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich [Tue, 16 Dec 2008 11:40:27 +0000 (11:40 +0000)]
allow bug table entries to use relative pointers (and use it on x86-64)
Impact: reduce bug table size
This allows reducing the bug table size by half. Perhaps there are
other 64-bit architectures that could also make use of this.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich [Tue, 16 Dec 2008 11:35:24 +0000 (11:35 +0000)]
x86: consolidate __swp_XXX() macros
Impact: cleanup, code robustization
The __swp_...() macros silently relied upon which bits are used for
_PAGE_FILE and _PAGE_PROTNONE. After having changed _PAGE_PROTNONE in
our Xen kernel to no longer overlap _PAGE_PAT, live locks and crashes
were reported that could have been avoided if these macros properly
used the symbolic constants. Since, as pointed out earlier, for Xen
Dom0 support mainline likewise will need to eliminate the conflict
between _PAGE_PAT and _PAGE_PROTNONE, this patch does all the necessary
adjustments, plus it introduces a mechanism to check consistency
between MAX_SWAPFILES_SHIFT and the actual encoding macros.
This also fixes a latent bug in that x86-64 used a 6-bit mask in
__swp_type(), and if MAX_SWAPFILES_SHIFT was increased beyond 5 in (the
seemingly unrelated) linux/swap.h, this would have resulted in a
collision with _PAGE_FILE.
Non-PAE 32-bit code gets similarly adjusted for its pte_to_pgoff() and
pgoff_to_pte() calculations.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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>
Baruch Siach [Mon, 15 Dec 2008 20:18:52 +0000 (20:18 +0000)]
enc28j60: use netif_rx_ni() to deliver RX packets
The enc28j60 driver reads incoming packets in the process (workqueue) context,
not in a tasklet or the interrupt context. Thus, we should use netif_rx_ni()
to deliver those packets to the networking layer, instead of netif_rx(). This
way incoming packets don't wait in the incoming queue for the next IRQ to be
serviced.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>