| Commit message (Collapse) | Author | Age |
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
xen: don't drop NX bit
xen: mask unwanted pte bits in __supported_pte_mask
xen: Use wmb instead of rmb in xen_evtchn_do_upcall().
x86: fix NULL pointer deref in __switch_to
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This patch is ported one from 534:77db69c38249 of linux-2.6.18-xen.hg.
Use wmb instead of rmb to enforce ordering between
evtchn_upcall_pending and evtchn_pending_sel stores
in xen_evtchn_do_upcall().
Cc: Samuel Thibault <samuel.thibault@eu.citrix.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: the arch/x86 maintainers <x86@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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I am able to reproduce the oops reported by Simon in __switch_to() with
lguest.
My debug showed that there is at least one lguest specific
issue (which should be present in 2.6.25 and before aswell) and it got
exposed with a kernel oops with the recent fpu dynamic allocation patches.
In addition to the previous possible scenario (with fpu_counter), in the
presence of lguest, it is possible that the cpu's TS bit it still set and the
lguest launcher task's thread_info has TS_USEDFPU still set.
This is because of the way the lguest launcher handling the guest's TS bit.
(look at lguest_set_ts() in lguest_arch_run_guest()). This can result
in a DNA fault while doing unlazy_fpu() in __switch_to(). This will
end up causing a DNA fault in the context of new process thats
getting context switched in (as opossed to handling DNA fault in the context
of lguest launcher/helper process).
This is wrong in both pre and post 2.6.25 kernels. In the recent
2.6.26-rc series, this is showing up as NULL pointer dereferences or
sleeping function called from atomic context(__switch_to()), as
we free and dynamically allocate the FPU context for the newly
created threads. Older kernels might show some FPU corruption for processes
running inside of lguest.
With the appended patch, my test system is running for more than 50 mins
now. So atleast some of your oops (hopefully all!) should get fixed.
Please give it a try. I will spend more time with this fix tomorrow.
Reported-by: Simon Holm Thøgersen <odie@cs.aau.dk>
Reported-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/mthca: Clear ICM pages before handing to FW
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Current memfree FW has a bug which in some cases, assumes that ICM
pages passed to it are cleared. This patch uses __GFP_ZERO to
allocate all ICM pages passed to the FW. Once firmware with a fix is
released, we can make the workaround conditional on firmware version.
This fixes the bug reported by Arthur Kepner <akepner@sgi.com> here:
http://lists.openfabrics.org/pipermail/general/2008-May/050026.html
Cc: <stable@kernel.org>
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
[ Rewritten to be a one-liner using __GFP_ZERO instead of vmap()ing
ICM memory and memset()ing it to 0. - Roland ]
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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I noted that the 'struct tty_struct *real_tty' is not used in this
function, so I removed the code about 'real_tty'.
Signed-off-by: Gustavo Fernando Padovan <gustavo@las.ic.unicamp.br>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6:
hwmon: (lm75) sensor reading bugfix
hwmon: (abituguru3) update driver detection
hwmon: (w83791d) new maintainer
hwmon: (abituguru3) Identify Abit AW8D board as such
hwmon: Update the sysfs interface documentation
hwmon: (adt7473) Initialize max_duty_at_overheat before use
hwmon: (lm85) Fix function RANGE_TO_REG()
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LM75 sensor reading bugfix: never save error status as valid
sensor output. This could be improved, but at least this
prevents certain rude failure modes.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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It has been reported that the abituguru3 driver fails to load after a BIOS
update. This patch fixes this by loosening the detection routine so that it
will work after the BIOS update too. To compensate for the now very loose
detection an additional check is added on the DMI Base Board vendor string to
make sure we only load on Abit motherboards, this is the same as the check in
the abituguru (1 / 2) driver.
Signed-of-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Alistair John Strachan <alistair@devzero.co.uk>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This patch identifies the Abit AW8D board as such, and adds support for its
aux5 fan connector
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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data->max_duty_at_overheat is not updated in adt7473_update_device,
so it might be used before it is initialized (if the user reads from
sysfs file max_duty_at_crit before writing to it.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Function RANGE_TO_REG() is broken. For a requested range of 2000 (2
degrees C), it will return an index value of 15, i.e. 80.0 degrees C,
instead of the expected index value of 0. All other values are handled
properly, just 2000 isn't.
The bug was introduced back in November 2004 by this patch:
http://git.kernel.org/?p=linux/kernel/git/tglx/history.git;a=commit;h=1c28d80f1992240373099d863e4996cdd5d646d0
While this can be fixed easily with the current code, I'd rather
rewrite the whole function in a way which is more obviously correct.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Justin Thiessen <jthiessen@penguincomputing.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
netns: Don't receive new packets in a dead network namespace.
sctp: Make sure N * sizeof(union sctp_addr) does not overflow.
pppoe: warning fix
ipv6: Drop packets for loopback address from outside of the box.
ipv6: Remove options header when setsockopt's optlen is 0
mac80211: detect driver tx bugs
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Fix warning:
drivers/net/pppoe.c: In function 'pppoe_recvmsg':
drivers/net/pppoe.c:945: warning: comparison of distinct pointer types lacks a cast
because skb->len is unsigned int and total_len is size_t
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
BAST: Remove old IDE driver
pcmcia ide kingston compactflash's have a new manufacturer id
pcmcia: add another pata/ide ID
pcmcia: add an pata/ide ID
ide: increase timeout in wait_drive_not_busy()
palm_bk3710: fix resource management
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Remove the old BAST IDE driver, as we are now using the platform-pata
support.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Up to now, Kingston compactflash cards (ab)used the Toshiba Manufacturer's ID,
In their new CF cards, they use a new one. Let's the ide subsystem
recognize CF cards with the new id.
Signed-off-by: Christophe Niclaes <cniclaes@develtech.com>
Acked-by: Philippe De Muyter <phdm@macqel.be>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Addition of Transcend 1GB 45x id so that it is properly detected.
[bart: fix typo in ide-cs's ID spotted by Alan Cox]
Signed-off-by: William Peters <w1ll14@gmail.com>
Signed-off-by: Kristoffer Ericson <Kristoffer_e1@hotmail.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: linux-ide@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add an id for:
product info: "M-Systems", "CF300", ""
manfid: 0x000a, 0x0000
function: 4 (fixed disk)
Signed-off-by: Matt Reimer <mreimer@vpop.net>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: linux-ide@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Some ATAPI devices take longer than the current max timeout value to
become ready (i.e. TEAC DV-W28ECW takes 6 ms) so increase the timeout
value to 10 ms.
This fixes kernel.org bugzilla bug #10887:
http://bugzilla.kernel.org/show_bug.cgi?id=10887
Reported-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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The driver expected a *virtual* address in the IDE platform device's memory
resource and didn't request the memory region for the register block. Fix this
taking into account the fact that DaVinci SoC devices are fixed-mapped to the
virtual memory early and we can get their virtual addresses using IO_ADDRESS()
macro, not having to call ioremap()...
While at it, also do some cosmetic changes...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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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:
ieee1394: Kconfig menu touch-up
firewire: Kconfig menu touch-up
firewire: deadline for PHY config transmission
firewire: fw-ohci: unify printk prefixes
firewire: fill_bus_reset_event needs lock protection
firewire: fw-ohci: write selfIDBufferPtr before LinkControl.rcvSelfID
firewire: fw-ohci: disable PHY packet reception into AR context
firewire: fw-ohci: use of uninitialized data in AR handler
firewire: don't panic on invalid AR request buffer
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Rename and reorder some prompts and modify some help texts.
The result:
-------------------- IEEE 1394 (FireWire) support --------------------
*** Enable only one of the two stacks, unless you know what you are doing ***
New FireWire stack, EXPERIMENTAL
OHCI-1394 controllers
Storage devices (SBP-2 protocol)
Stable FireWire stack
OHCI-1394 controllers
PCILynx controller
Storage devices (SBP-2 protocol)
Enable replacement for physical DMA in SBP2
IP over 1394
raw1394 userspace interface
video1394 userspace interface
dv1394 userspace interface (deprecated)
Excessive debugging output
The old prompts for reference:
-------------------- IEEE 1394 (FireWire) support --------------------
IEEE 1394 (FireWire) support - alternative stack, EXPERIMENTAL
Support for OHCI FireWire host controllers
Support for storage devices (SBP-2 protocol driver)
IEEE 1394 (FireWire) support
*** Subsystem Options ***
Excessive debugging output
*** Controllers ***
Texas Instruments PCILynx support
OHCI-1394 support
*** Protocols ***
OHCI-1394 Video support
SBP-2 support (Harddisks etc.)
Enable replacement for physical DMA in SBP2
IP over 1394
OHCI-DV I/O support (deprecated)
Raw IEEE1394 I/O support
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Emphasize the recommendation to build only one stack.
Trim the prompts to better fit into short attention spans.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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If the low-level driver failed to initialize a card properly without
noticing it, fw-core was blocked indefinitely when trying to send a
PHY config packet. This hung up the events kernel thread, e.g. locked
up keyboard input.
https://bugzilla.redhat.com/show_bug.cgi?id=444694
https://bugzilla.redhat.com/show_bug.cgi?id=446763
This problem was introduced between 2.6.25 and 2.6.26-rc1 by commit
2a0a2590498be7b92e3e76409c9b8ee722e23c8f "firewire: wait until PHY
configuration packet was transmitted (fix bus reset loop)".
The solution is to wait with timeout. I tested it with 7 different
working controllers and 1 non-working controller. On the working ones,
the packet callback complete()s usually --- but not always --- before a
timeout of 10ms. Hence I chose a safer timeout of 100ms.
On the few tests with the non-working controller ALi M5271, PHY config
packet transmission always timed out so far. (Fw-ohci needs to be fixed
for this controller independently of this deadline fix. Often the core
doesn't even attempt to send a phy config because not even self ID
reception works.)
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The messages which can be enabled by fw-ohci's debug module parameter
are changed from KERN_DEBUG to KERN_NOTICE level and uniformly prefixed
with "firewire_ohci: ". This further simplifies communication with
users when we ask them to capture debug messages.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Callers of fill_bus_reset_event() have to take card->lock. Otherwise
access to node data may oops if node removal is in progress.
A lockless alternative would be
- event->local_node_id = card->local_node->node_id;
+ tmp = fw_node_get(card->local_node);
+ event->local_node_id = tmp->node_id;
+ fw_node_put(tmp);
and ditto with the other node pointers which fill_bus_reset_event()
accesses. But I went the locked route because one of the two callers
already holds the lock. As a bonus, we don't need the memory barrier
anymore because device->generation and device->node_id are written in
a card->lock protected section.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
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OHCI 1.1 clause 5.10 requires that selfIDBufferPtr is valid when a 1 is
written into LinkControl.rcvSelfID.
This driver bug has so far not been known to cause harm because most
chips obviously accept a later selfIDBufferPtr write, at least before
HCControl.linkEnable is written.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
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We want the rcvPhyPkt bit in LinkControl off before we start using the
chip. However, the spec says that the reset value of it is undefined.
Hence switch it explicitly off.
https://bugzilla.redhat.com/show_bug.cgi?id=244576#c48 shows that for
example the nForce2 integrated FireWire controller seems to have it on
by default.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
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header_length and payload_length are filled with random data if an
unknown tcode was read from the AR buffer (i.e. if the AR buffer
contained invalid data).
We still need a better strategy to recover from this, but at least
handle_ar_packet now doesn't return out of bound buffer addresses
anymore.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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BUG() at this place is wrong. (Unless if the low level driver would
already do higher-level input validation of incoming request headers.)
Invalid incoming requests or bugs in the controller which corrupt the
AR-req buffer needlessly crashed the box because this is run in tasklet
context.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: no AC status notification
ACPI Exception (video-1721): UNKNOWN_STATUS_CODE, Cant attach device
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The child of a video bus device is not alway a video device.
It should be a warn message rather than an exception here.
http://bugzilla.kernel.org/show_bug.cgi?id=9761
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=10695
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (21 commits)
drm: only trust core drm ioctls - driver ioctls are a mess.
drm/i915: add support for Intel series 4 chipsets.
drm/radeon: add hier-z registers for r300 and r500 chipsets
drm/radeon: use DSTCACHE_CTLSTAT rather than RB2D_DSTCACHE_CTLSTAT
drm/radeon: switch IGP gart to use radeon_write_agp_base()
drm/radeon: Restore sw interrupt on resume
drm/r500: add support for AGP based cards.
drm/radeon: fix texture uploads with large 3d textures (bug 13980)
drm/radeon: add initial r500 support.
drm/radeon: init pipe setup in kernel code.
drm/radeon: fixup radeon_do_engine_reset
drm/radeon: fix pixcache and purge/cache flushing registers
drm/radeon: write AGP_BASE_2 on chips that support it.
drm/radeon: merge IGP chip setup and fixup RS400 vs RS480 support
drm/radeon: IGP clean up register and magic numbers.
drm/rs690: set base 2 to 0.
drm/rs690: set all of gart base address.
radeon: add production microcode from AMD
drm: pcigart use proper pci map interfaces.
drm: the sg alloc ioctl should write back the handle to userspace
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So driver ioctls need a full auditing before we can make this change.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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According to the hw guys, you should use DSTCACHE_CTLSTAT to flush
the 2D dst cache rather than RB2D_DSTCACHE_CTLSTAT.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes performance drop after suspend/resume on some systems.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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AGP registers weren't programmed properly for r500 cards.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Texture uploads could hit the blitter coordinate limit, adjust the texture
offset when uploading the pieces. Make sure to check the end address of the
upload too.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This contains all the command buffer processing for the r500 cards.
It doesn't yet contain vblank support.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This inits the card pipes in the kernel and lets userspace getparam
the correct setup.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Cleanup do engine reset for different chip families.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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