Commit Graph

189053 Commits

Author SHA1 Message Date
Sebastien Alaiwan
d39e82db73 ALSA: USB MIDI support for Access Music VirusTI
Here's a patch that adds MIDI support through USB for one of the Access
Music synths, the VirusTI.

The synth uses standard USBMIDI protocol on its USB interface 3, although
it does signal "vendor specific" class. A magic string has to be sent on
interface 3 to enable the sending of MIDI from the synth (this string was
found by sniffing usb communication of the Windows driver). This is all
my patch does, and it works on my computer.

Please note that the synth can also do standard usb audio I/O on its
interfaces 2&3, which already works with the current snd-usb-audio driver,
except for the audio input from the synth. I'm going to work on it when I
have some time.

Signed-off-by: Sebastien Alaiwan <sebastien.alaiwan@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de> (cosmetics, list terminator)
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-16 09:34:56 +01:00
Len Brown
97c169d39b ACPI: remove Asus P2B-DS from acpi=ht blacklist
We realized when we broke acpi=ht
http://bugzilla.kernel.org/show_bug.cgi?id=14886
that acpi=ht is not needed on this box
and folks have been using acpi=force on it anyway.

Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16 03:30:06 -05:00
Bartlomiej Zolnierkiewicz
38bcb37a6f ACPICA: fix acpi_ex_release_mutex() comment
trivial, leftover from my NULL pointer dereference patch which got
'superseded' by commit fbc3be2

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16 03:17:42 -05:00
Bartlomiej Zolnierkiewicz
ded180e7eb ACPI: remove superfluous NULL pointer check from acpi_processor_get_throttling_info()
Dan's list contains:

drivers/acpi/processor_throttling.c +1139 acpi_processor_get_throttling_info(11) warning: variable derefenced before check 'pr'

acpi_processor_get_throttling_info() is never called with pr == NULL.

[ bart: the potential NULL pointer dereference was finally fixed in
  (much later than mine) commit 5cfa245 but my patch is still valid ]

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16 03:17:41 -05:00
Len Brown
0e026445fb ACPI: delete unused acpi_evaluate_string()
Roel found a logic issue in the #if 0 acpi_evaluate_string():

-           || (element->type != ACPI_TYPE_BUFFER)
+           && (element->type != ACPI_TYPE_BUFFER)

delete the dead code.

pointed-out-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16 03:17:40 -05:00
Paul Mundt
55cef91a5d sh: Prevent fixed slot PMB remapping from clobbering boot entries.
The PMB initialization code walks the entries and synchronizes the
software PMB state with the hardware mappings, preserving the slot index.
Unfortunately pmb_alloc() only tested the bit position in the entry map
and failed to set it, resulting in subsequent remaps being able to be
dynamically assigned a slot that trampled an existing boot mapping with
general badness ensuing.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 17:14:04 +09:00
Roel Kluin
f04d5e012d thinkpad-acpi: wrong thermal attribute_group removed in thermal_exit()
sysfs_remove_group() removed the wrong attribute_group for
thermal_read_mode TPEC_8, ACPI_TMP07 and ACPI_UPDT

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
2010-02-16 03:10:10 -05:00
Clemens Ladisch
f167e1d073 ALSA: usb-audio: reduce MIDI packet size to work around broken firmware
Extend the list of devices whose firmware does not expect more than one
USB MIDI packet in one USB packet.

bug report: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3752

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-16 08:08:01 +01:00
James Morris
2da5d31bc7 security: fix a couple of sparse warnings
Fix a couple of sparse warnings for callers of
context_struct_to_string, which takes a *u32, not an *int.

These cases are harmless as the values are not used.

Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
2010-02-16 17:29:06 +11:00
Tetsuo Handa
97d6931ead TOMOYO: Remove unneeded parameter.
tomoyo_path_perm() tomoyo_path2_perm() and tomoyo_check_rewrite_permission()
always receive tomoyo_domain(). We can move it from caller to callee.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
2010-02-16 17:26:36 +11:00
Don Skidmore
e86bff0eda ixgbe: fix WOL register setup for 82599
We need to have the WUS register set to all 1's in order for the hardware
to be capable of ever waking up.  Set it here in the ixgbe_probe().

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:52:02 -08:00
Don Skidmore
a626e8478b ixgbe: Fix - Do not allow Rx FC on 82598 at 1G due to errata
The 82598 has an erratum that receipt of pause frames at 1G
could lead to a Tx Hang.  To avoid this this patch disables
Rx FC while at 1G speed for all 82598 parts.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:51:56 -08:00
Eric Dumazet
339c6e9985 ethtool: reduce stack usage
dev_ethtool() is currently using 604 bytes of stack, even with gcc-4.4.2

objdump -d vmlinux | scripts/checkstack.pl
...
0xc04bbc33 dev_ethtool [vmlinux]:			604
...
Adding noinline attributes to selected functions can reduce stack usage.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:51:33 -08:00
John Linn
5cdaaa1286 net: emaclite: adding MDIO and phy lib support
These changes add MDIO and phy lib support to the driver as the
IP core now supports the MDIO bus.

The MDIO bus and phy are added as a child to the emaclite in the device
tree as illustrated below.

mdio {
	#address-cells = <1>;
	#size-cells = <0>;
	phy0: phy@7 {
		compatible = "marvell,88e1111";
		reg = <7>;
	} ;
}

Signed-off-by: Sadanand Mutyala <Sadanand.Mutyala@xilinx.com>
Signed-off-by: John Linn <john.linn@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:51:00 -08:00
andrew hendry
a9288525d2 X25: Dont let x25_bind use addresses containing characters
Addresses should be all digits.
Stops x25_bind using addresses containing characters.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:52 -08:00
andrew hendry
b18e7a0685 X25: Fix x25_create errors for bad protocol and ENOBUFS
alloc_socket failures should return -ENOBUFS
a bad protocol should return -EINVAL

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:51 -08:00
Sathya Perla
cf588477a3 be2net: implement EEH pci error recovery handlers
The code has been tested on IBM pSeries server.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:51 -08:00
jamal
0dca3a8436 xfrm: Flushing empty SPD generates false events
Observed similar behavior on SPD as previouly seen on SAD flushing..
This fixes it.

cheers,
jamal
commit 428b20432dc31bc2e01a94cd451cf5a2c00d2bf4
Author: Jamal Hadi Salim <hadi@cyberus.ca>
Date:   Thu Feb 11 05:49:38 2010 -0500

    xfrm: Flushing empty SPD generates false events

    To see the effect make sure you have an empty SPD.
    On window1 "ip xfrm mon" and on window2 issue "ip xfrm policy flush"
    You get prompt back in window1 and you see the flush event on window2.
    With this fix, you still get prompt on window1 but no event on window2.

    Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:50 -08:00
jamal
19f4c7133f xfrm: Flushing empty SAD generates false events
To see the effect make sure you have an empty SAD.
-On window1 "ip xfrm mon"
-on window2 issue "ip xfrm state flush"
You get prompt back in window1
and you see the flush event on window2.
With this fix, you still get prompt on window1 but no
event on window2.

I was tempted to return -ESRCH on window1 (which would
show "RTNETLINK answers: No such process") but didnt want
to change current behavior.

cheers,
jamal
commit 5f3dd4a772326166e1bcf54acc2391df00dc7ab5
Author: Jamal Hadi Salim <hadi@cyberus.ca>
Date:   Thu Feb 11 04:41:36 2010 -0500

    xfrm: Flushing empty SAD generates false events

    To see the effect make sure you have an empty SAD.
    On window1 "ip xfrm mon" and on window2 issue "ip xfrm state flush"
    You get prompt back in window1 and you see the flush event on window2.
    With this fix, you still get prompt on window1 but no event on window2.

    Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:50 -08:00
Shan Wei
9546377c42 IPv6: Delete redundant counter of IPSTATS_MIB_REASMFAILS
When no more memory can be allocated, fq_find() will return NULL and
increase the value of IPSTATS_MIB_REASMFAILS. In this case,
ipv6_frag_rcv() also increase the value of IPSTATS_MIB_REASMFAILS.

So, the patch deletes redundant counter of IPSTATS_MIB_REASMFAILS in fq_find().
and deletes the unused parameter of idev.

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:49 -08:00
Arnd Bergmann
564517e804 net/macvtap: fix reference counting
The RCU usage in the original code was broken because
there are cases where we possibly sleep with rcu_read_lock
held. As a fix, change the macvtap_file_get_queue to
get a reference on the socket and the netdev instead of
taking the full rcu_read_lock.

Also, change macvtap_file_get_queue failure case to
not require a subsequent macvtap_file_put_queue, as
pointed out by Ed Swierk.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ed Swierk <eswierk@aristanetworks.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Ed Swierk <eswierk@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:49 -08:00
Divy Le Ray
e9449d85c6 cxgb3: fix link flap
The driver is expected to report that the link is up
when the phy Rx signal is established and the mac
has not detected a link fault.
The code is however broken, the driver does not check the link fault
status when the phy link status changes.
The link fault status being checked within a short period of time,
it leads to link up/link down events.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:48 -08:00
Divy Le Ray
38a8fc0fcf cxgb3: FIx VLAN over Jumbo frames
The mac is expected to auto-inflate the Maximum Frame size for VLAN
tagged frames. It however does not work with jumbo frames.
Work around the bug adding 4 to the Maximum Frame for MTUs
greater than 1536.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:48 -08:00
Peter Waskiewicz
d41a5b7da2 ixgbe: Cleanup incorrect header comments
The recent n-tuple patches added some comments to the headers
of the Flow Director functions that aren't accurate.  This
cleans them up, and is a purely cosmetic patch.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:48 -08:00
Peter Waskiewicz
0d643e1fb4 ethtool: Move n-tuple capability check into set_flags
set_flags should check if the underlying device supports
n-tuple filter programming before setting the device flags
on the netdevice.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:47 -08:00
Peter Waskiewicz
e858911804 ethtool: Fix filter addition when caching n-tuple filters
We can allow a filter to be added successfully to the underlying
hardware, but still return an error if the cached list memory
allocation fails.  This patch fixes that condition.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-15 21:49:47 -08:00
Nobuhiro Iwamatsu
319c2cc761 sh: Fix zImage boot using fixed PMB.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:50:26 +09:00
Magnus Damm
fb1e776050 sh: fix sh7724 SDHI support using INTC force_disable
Update the sh7724 INTC tables with force_enable support
to mask out pending unsupported SDHI interrupt sources.

Without this patch the kernel locks up due to a pending
SDHI interrupt that the tmio_mmc driver cannot handle.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:38:57 +09:00
Magnus Damm
d85429a317 sh: extend INTC with force_disable
Extend the shared INTC code with force_disable support to
allow keeping mask bits statically disabled. Needed for
SDHI support to mask out unsupported interrupt sources.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:38:56 +09:00
Phil Edworthy
92e1f9a7ed video: sh_mobile_lcdcfb: Fix panning.
Fixed SH-Mobile panning. Previously the address of the frame to be displayed
was updated in the VSync end interrupt. This meant there was a minimum of 1
frame bewteen calling FBIOPAN_DISPLAY ioctl and the pan occuring. This meant
that apps were not able to use the FBIO_WAITFORVSYNC ioctl to wait for the
pan to complete. This patch moves the write to LDSA1R mirror reg into the
pan ioctl.  Tested on MS7724 board against 2.6.33-rc7

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:30:29 +09:00
Phil Edworthy
40331b21f5 video: sh_mobile_lcdcfb: Add wait for vsync.
Added FBIO_WAITFORVSYNC ioctl for SH-Mobile devices.
Tested on MS7724 and MigoR boards against 2.6.33-rc7.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:30:27 +09:00
Linus Torvalds
0813e22d4e Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: btrfs_mark_extent_written uses the wrong slot
2010-02-15 19:56:21 -08:00
Linus Torvalds
382640b337 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: ohci: retransmit isochronous transmit packets on cycle loss
  firewire: net: fix panic in fwnet_write_complete
2010-02-15 19:54:54 -08:00
Linus Torvalds
d277993f78 Merge branch 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Correct ASUA blacklist for MSI brokenness
2010-02-15 19:54:18 -08:00
Chuck Lever
65d269538a NFS: Too many GETATTR and ACCESS calls after direct I/O
The cached read and write paths initialize fattr->time_start in their
setup procedures.  The value of fattr->time_start is propagated to
read_cache_jiffies by nfs_update_inode().  Subsequent calls to
nfs_attribute_timeout() will then use a good time stamp when
computing the attribute cache timeout, and squelch unneeded GETATTR
calls.

Since the direct I/O paths erroneously leave the inode's
fattr->time_start field set to zero, read_cache_jiffies for that inode
is set to zero after any direct read or write operation.  This
triggers an otw GETATTR or ACCESS call to update the file's attribute
and access caches properly, even when the NFS READ or WRITE replies
have usable post-op attributes.

Make sure the direct read and write setup code performs the same fattr
initialization as the cached I/O paths to prevent unnecessary GETATTR
calls.

This was likely introduced by commit 0e574af1 in 2.6.15, which appears
to add new nfs_fattr_init() call sites in the cached read and write
paths, but not in the equivalent places in fs/nfs/direct.c.  A
subsequent commit in the same series, 33801147, introduces the
fattr->time_start field.

Interestingly, the direct write reschedule path already has a call to
nfs_fattr_init() in the right place.

Reported-by: Quentin Barnes <qbarnes@yahoo-inc.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-02-15 19:53:43 -08:00
Linus Torvalds
7d0bab9dfe Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  hrtimer, softirq: Fix hrtimer->softirq trampoline
2010-02-15 19:52:12 -08:00
Linus Torvalds
0aa2ca9ae1 Merge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
  reiserfs: Fix softlockup while waiting on an inode
2010-02-15 19:51:45 -08:00
Linus Torvalds
76212a840f Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: make sure retry count increases.
  drm/radeon/kms/atom: use get_unaligned_le32() for ctx->ps
  drm/ttm: Fix a bug occuring when validating a buffer object in a range.
  drm: Fix a bug in the range manager.
2010-02-15 19:51:15 -08:00
Linus Torvalds
e04984c839 Merge branch 'sh/for-2.6.33' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.33' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh64: fix tracing of signals.
2010-02-15 19:50:34 -08:00
Linus Torvalds
627a9a194d Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing/kprobes: Fix probe parsing
  tracing: Fix circular dead lock in stack trace
2010-02-15 19:47:59 -08:00
Linus Torvalds
3d8b4bdef7 Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf top: Fix help text alignment
  perf: Fix hypervisor sample reporting
  perf: Make bp_len type to u64 generic across the arch
2010-02-15 19:47:48 -08:00
Alan Cox
942fa3b63e x86, mtrr: Kill over the top warn
Fixes bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=12558
Fixes bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=12317

(and if this really needed to be a warn you'd be responding to the bugs left
in bugzilla from it...)

Signed-off-by: Alan Cox <alan@linux.intel.com>
LKML-Reference: <20100208100239.2568.2940.stgit@localhost.localdomain>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15 19:38:52 -08:00
Francisco Jerez
bf929efa56 drm/nouveau: Force TV encoder DPMS reinit after resume.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-16 11:15:07 +10:00
Ben Skeggs
d9184fa97b drm/nouveau: use mutex for vbios lock
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-16 11:14:33 +10:00
Tetsuo Handa
7ef612331f TOMOYO: Use shorter names.
Use shorter name to reduce newlines needed for 80 columns limit.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
2010-02-16 11:17:16 +11:00
David Rientjes
ca2107c9d6 x86, numa: Remove configurable node size support for numa emulation
Now that numa=fake=<size>[MG] is implemented, it is possible to remove
configurable node size support.  The command-line parsing was already
broken (numa=fake=*128, for example, would not work) and since fake nodes
are now interleaved over physical nodes, this support is no longer
required.

Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1002151343080.26927@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15 14:34:18 -08:00
David Rientjes
8df5bb34de x86, numa: Add fixed node size option for numa emulation
numa=fake=N specifies the number of fake nodes, N, to partition the
system into and then allocates them by interleaving over physical nodes.
This requires knowledge of the system capacity when attempting to
allocate nodes of a certain size: either very large nodes to benchmark
scalability of code that operates on individual nodes, or very small
nodes to find bugs in the VM.

This patch introduces numa=fake=<size>[MG] so it is possible to specify
the size of each node to allocate.  When used, nodes of the size
specified will be allocated and interleaved over the set of physical
nodes.

FAKE_NODE_MIN_SIZE was also moved to the more-appropriate
include/asm/numa_64.h.

Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1002151342510.26927@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15 14:34:10 -08:00
David Rientjes
68fd111e02 x86, numa: Fix numa emulation calculation of big nodes
numa=fake=N uses split_nodes_interleave() to partition the system into N
fake nodes.  Each node size must have be a multiple of
FAKE_NODE_MIN_SIZE, otherwise it is possible to get strange alignments.
Because of this, the remaining memory from each node when rounded to
FAKE_NODE_MIN_SIZE is consolidated into a number of "big nodes" that are
bigger than the rest.

The calculation of the number of big nodes is incorrect since it is using
a logical AND operator when it should be multiplying the rounded-off
portion of each node with N.

Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1002151342230.26927@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-15 14:34:04 -08:00
Tetsuo Handa
084da356f6 TOMOYO: Use enum for index numbers.
Use enum to declare index numbers.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
2010-02-16 09:25:13 +11:00
Jerome Glisse
6cb8e1f71c drm/radeon/kms: fix bo's fence association
Previous code did associate fence to bo before the fence was emited
and it also didn't lock protected access to ttm sync_obj member.
Both of this flaw leads to possible race between different code
path. This patch fix this by associating fence only once the fence
is emitted and properly lock protect access to sync_obj member of
ttm.

Fix:
https://bugs.freedesktop.org/show_bug.cgi?id=26438
and likely similar others bugs
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-02-16 07:59:37 +10:00