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Signed-off-by: Dave Jones <davej@redhat.com>
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Signed-off-by: Dave Jones <davej@redhat.com>
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Commit 4bc5d3413503 is broken and causes regressions:
(1) cpufreq_driver->resume() and ->suspend() were only called on
__powerpc__, but you could set them on all architectures. In fact,
->resume() was defined and used before the PPC-related commit
42d4dc3f4e1e complained about in 4bc5d3413503.
(2) Therfore, the resume functions in acpi_cpufreq and speedstep-smi
would never be called.
(3) This means speedstep-smi would be unusuable after suspend or resume.
The _real_ problem was calling cpufreq_driver->get() with interrupts
off, but it re-enabling interrupts on some platforms. Why is ->get()
necessary?
Some systems like to change the CPU frequency behind our
back, especially during BIOS-intensive operations like suspend or
resume. If such systems also use a CPU frequency-dependant timing loop,
delays might be off by large factors. Therefore, we need to ascertain
as soon as possible that the CPU frequency is indeed at the speed we
think it is. You can do this two ways: either setting it anew, or trying
to get it. The latter is what was done, the former also has the same IRQ
issue.
So, let's try something different: defer the checking to after interrupts
are re-enabled, by calling cpufreq_update_policy() (via schedule_work()).
Timings may be off until this later stage, so let's watch out for
resume regressions caused by the deferred handling of frequency changes
behind the kernel's back.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Dave Jones <davej@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB (12564a): MAINTAINERS: Update gspca sn9c20x name style
V4L/DVB (12502): gspca - sn9c20x: Fix gscpa sn9c20x build errors.
V4L/DVB (12495): em28xx: Don't call em28xx_ir_init when disable_ir is true
V4L/DVB (12457): zr364: wrong indexes
V4L/DVB (12451): Update KConfig File to enable SDIO and USB interfaces
V4L/DVB (12450): Siano: Fixed SDIO compilation bugs
V4L/DVB (12449): adds webcam for Micron device MT9M111 0x143A to em28xx
V4L/DVB (12446): sms1xxx: restore GPIO functionality for all Hauppauge devices
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Commit log for commit 517d3cc15b36392e518abab6bacbb72089658313
("[libata] ata_piix: Enable parallel scan") says:
This patch turns on parallel scanning for the ata_piix driver.
This driver is used on most netbooks (no AHCI for cheap storage it seems).
The scan is the dominating time factor in the kernel boot for these
devices; with this flag it gets cut in half for the device I used
for testing (eeepc).
Alan took a look at the driver source and concluded that it ought to be safe
to do for this driver. Alan has also checked with the hardware team.
and it is all true but once we put all things together additional
constraints for PATA controllers show up (some hardware registers
have per-host not per-port atomicity) and we risk misprogramming
the controller.
I used the following test to check whether the issue is real:
@@ -736,8 +736,20 @@ static void piix_set_piomode(struct ata_
(timings[pio][1] << 8);
}
pci_write_config_word(dev, master_port, master_data);
- if (is_slave)
+ if (is_slave) {
+ if (ap->port_no == 0) {
+ u8 tmp = slave_data;
+
+ while (slave_data == tmp) {
+ pci_read_config_byte(dev, slave_port, &tmp);
+ msleep(50);
+ }
+
+ dev_printk(KERN_ERR, &dev->dev, "PATA parallel scan "
+ "race detected\n");
+ }
pci_write_config_byte(dev, slave_port, slave_data);
+ }
/* Ensure the UDMA bit is off - it will be turned back on if
UDMA is selected */
and it indeed triggered the error message.
Lets fix all such races by adding an extra locking to ->set_piomode
and ->set_dmamode methods for PATA controllers.
[ Alan: would be better to take the host lock in libata-core for these
cases so that we fix all the adapters in one swoop. "Looks fine as a
temproary quickfix tho" ]
Cc: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Improve CRTDDC mapping by using VBT info
drm/i915: Fix CPU-spinning hangs related to fence usage by using an LRU.
drm/i915: Set crtc/clone mask in different output devices
drm/i915: Always use SDVO_B detect bit for SDVO output detection.
drm/i915: Fix typo that broke SVID1 in intel_sdvo_multifunc_encoder()
drm/i915: Check if BIOS enabled dual-channel LVDS on 8xx, not only on 9xx
drm/i915: Set the multiplier for SDVO on G33 platform
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Reported-by: Toralf Forster <toralf.foerster@gmx.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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We should call em28xx_ir_init(dev) only when disable_ir is true.
Signed-off-by: Shine Liu <shinel@foxmail.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The order of indexes is reversed
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Update KConfig file to enbale selection of SDIO and USB
interfaces, and add dependancy on relevant modules.
[mchehab@redhat.com: fix merge conflicts, remove default: m, add missing endmenu]
Signed-off-by: Udi Atar <udia@siano-ms.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fixed SDIO compilation bugs
Also fixed a memory overrun issue in buffer management.
Signed-off-by: Udi Atar <udia@siano-ms.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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[mchehab@redhat.com: fix merge conflict and a few CodingStyle issues]
Signed-off-by: Steve Gotthardt <gotthardt@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Previous changesets broke Hauppauge devices and their GPIO configurations.
This changeset restores the LED & LNA functionality.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Use VBT information to determine which DDC bus to use for CRTDCC.
Fall back to GPIOA if VBT info is not available.
Signed-off-by: David Müller <d.mueller@elsoft.ch>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested on: 855 (David), and 945GM, 965GM, GM45, and G45 (anholt)
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The lack of a proper LRU was partially worked around by taking the fence
from the object containing the oldest seqno. But if there are multiple
objects inactive, then they don't have seqnos and the first fence reg
among them would be chosen. If you were trying to copy data between two
mappings, this could result in each page fault stealing the fence from
the other argument, and your application hanging.
https://bugs.freedesktop.org/show_bug.cgi?id=23566
https://bugs.freedesktop.org/show_bug.cgi?id=23220
https://bugs.freedesktop.org/show_bug.cgi?id=23253
https://bugs.freedesktop.org/show_bug.cgi?id=23366
Cc: Stable Team <stable@kernel.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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acpi_video_put_one_device was attempting to remove sysfs entries and
unregister a backlight device without first checking that said backlight
device structure had been created.
Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Return from bt_rfkill_poll() when hci_get_radio_state() fails.
value is invalid in that case and should not be assigned to the rfkill
state.
This also fixes a double unlock bug.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix a compatibility issue when the same buffer or string is
stored to itself. This has been seen in the field. Previously,
ACPICA would zero out the buffer/string. Now, the operation is
treated as a NOP.
http://bugzilla.acpica.org/show_bug.cgi?id=803
Reported-by: Rezwanul Kabir <Rezwanul_Kabir@Dell.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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As soon as the framebuffer is registered, our methods may be called by the
kernel. This leads to a crash as xenfb_refresh() gets called before we have
the irq.
Connect to the backend before registering our framebuffer with the kernel.
[ Fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=14059 ]
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
virtio: net refill on out-of-memory
smc91x: fix compilation on SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k,m68knommu: Wire up rt_tgsigqueueinfo and perf_counter_open
m68k: Fix redefinition of pgprot_noncached
arch/m68k/include/asm/motorola_pgalloc.h: fix kunmap arg
m68k: cnt reaches -1, not 0
m68k: count can reach 51, not 50
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If we change the inverted attribute to another value, the LED will not be
inverted until we change the GPIO state.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Samuel R. C. Vale <srcvale@holoscopio.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When setting the same GPIO number, multiple IRQ shared requests will be
done without freing the previous request. It will also try to free a
failed request or an already freed IRQ if 0 was written to the gpio file.
All these oops and leaks were fixed with the following solution: keep the
previous allocated GPIO (if any) still allocated in case the new request
fails. The alternative solution would desallocate the previous allocated
GPIO and set gpio as 0.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Samuel R. C. Vale <srcvale@holoscopio.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This failure is very common on many platforms. Handling it in the ACPI
processor driver is enough, and we don't need a warning message unless
CONFIG_ACPI_DEBUG is set.
Based on a patch from Zhang Rui.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13389
Signed-off-by: Frans Pop <elendil@planet.nl>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If the BIOS reports an invalid throttling state (which seems to be
fairly common after system boot), a reset is done to state T0.
Because of a check in acpi_processor_get_throttling_ptc(), the reset
never actually gets executed, which results in the error reoccurring
on every access of for example /proc/acpi/processor/CPU0/throttling.
Add a 'force' option to acpi_processor_set_throttling() to ensure
the reset really takes effect.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13389
This patch, together with the next one, fixes a regression introduced in
2.6.30, listed on the regression list. They have been available for 2.5
months now in bugzilla, but have not been picked up, despite various
reminders and without any reason given.
Google shows that numerous people are hitting this issue. The issue is in
itself relatively minor, but the bug in the code is clear.
The patches have been in all my kernels and today testing has shown that
throttling works correctly with the patches applied when the system
overheats (http://bugzilla.kernel.org/show_bug.cgi?id=13918#c14).
Signed-off-by: Frans Pop <elendil@planet.nl>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
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>
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Summary:
Kernel panic arise when stack protection is enabled, since strncat will
add a null terminating byte '\0'; So in functions
like this one (wmi_query_block):
char wc[4]="WC";
....
strncat(method, block->object_id, 2);
...
the length of wc should be n+1 (wc[5]) or stack protection
fault will arise. This is not noticeable when stack protection is
disabled,but , isn't good either.
Config used: [CONFIG_CC_STACKPROTECTOR_ALL=y,
CONFIG_CC_STACKPROTECTOR=y]
Panic Trace
------------
.... stack-protector: kernel stack corrupted in : fa7b182c
2.6.30-rc8-obelisco-generic
call_trace:
[<c04a6c40>] ? panic+0x45/0xd9
[<c012925d>] ? __stack_chk_fail+0x1c/0x40
[<fa7b182c>] ? wmi_query_block+0x15a/0x162 [wmi]
[<fa7b182c>] ? wmi_query_block+0x15a/0x162 [wmi]
[<fa7e7000>] ? acer_wmi_init+0x00/0x61a [acer_wmi]
[<fa7e7135>] ? acer_wmi_init+0x135/0x61a [acer_wmi]
[<c0101159>] ? do_one_initcall+0x50+0x126
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13514
Signed-off-by: Costantino Leandro <lcostantino@gmail.com>
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Len Brown <len.brown@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Jens reported early_ioremap messages with old ASUS board...
> [ 1.507461] pci 0000:00:09.0: Firmware left e100 interrupts enabled; disabling
> [ 1.532778] early_ioremap(3fffd080, 0000005c) [0] => Pid: 1, comm: swapper Not tainted 2.6.31-rc4 #36
> [ 1.561007] Call Trace:
> [ 1.568638] [<c136e48b>] ? printk+0x18/0x1d
> [ 1.581734] [<c15513ff>] __early_ioremap+0x74/0x1e9
> [ 1.596898] [<c15515aa>] early_ioremap+0x1a/0x1c
> [ 1.611270] [<c154a187>] __acpi_map_table+0x18/0x1a
> [ 1.626451] [<c135a7f8>] acpi_os_map_memory+0x1d/0x25
> [ 1.642129] [<c119459c>] acpi_tb_verify_table+0x20/0x49
> [ 1.658321] [<c1193e50>] acpi_get_table_with_size+0x53/0xa1
> [ 1.675553] [<c1193eae>] acpi_get_table+0x10/0x15
> [ 1.690192] [<c155cc19>] acpi_processor_init+0x23/0xab
> [ 1.706126] [<c1001043>] do_one_initcall+0x33/0x180
> [ 1.721279] [<c155cbf6>] ? acpi_processor_init+0x0/0xab
> [ 1.737479] [<c106893a>] ? register_irq_proc+0xaa/0xc0
> [ 1.753411] [<c10689b7>] ? init_irq_proc+0x67/0x80
> [ 1.768316] [<c15405e7>] kernel_init+0x120/0x176
> [ 1.782678] [<c15404c7>] ? kernel_init+0x0/0x176
> [ 1.797062] [<c10038b7>] kernel_thread_helper+0x7/0x10
> [ 1.812984] 00000080 + ffe00000
that is rather later.
acpi_gbl_permanent_mmap should be set in acpi_early_init()
if acpi is not disabled
and we have
> [ 0.000000] ASUS P2B-DS detected: force use of acpi=ht
just don't load acpi_processor_init...
Reported-and-tested-by: Jens Rosenboom <jens@leia.mcbone.net>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The return value of the get_temp function is not checked when doing a
thermal zone update. This may lead to a critical shutdown if get_temp
fails and the content of the temp variable is incorrectly set higher than
the critical trip point.
This has been observed on a system with incorrect ACPI implementation
where the corresponding methods were not serialized and therefore
sometimes triggered ACPI errors (AE_ALREADY_EXISTS). The following
critical shutdowns indicated a temperature of 2097 C, which was obviously
wrong.
The patch adds a return value check that jumps over all trip point
evaluations printing a warning if get_temp fails. The trip points are
evaluated again on the next polling interval with successful get_temp
execution.
Signed-off-by: Michael Brunner <mibru@gmx.de>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix incorrect verdict check and returns error if device_create failed,
otherwise driver triggers kernel oops.
Signed-off-by: Joonwoo Park<joonwpark81@gmail.com>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With while (count++ < 50) { ... } count can reach 51, not 50, so we
shouldn't give an error message on a count of 50.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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If we run out of memory, use keventd to fill the buffer. There's a
report of this happening: "Page allocation failures in guest",
Message-ID: <20090713115158.0a4892b0@mjolnir.ossman.eu>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
irda/sa1100_ir: fix broken netdev_ops conversion
irda/au1k_ir: fix broken netdev_ops conversion
pkt_sched: Fix bogon in tasklet_hrtimer changes.
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Validate linear D-TLB misses.
sparc64: Update defconfig.
sparc32: Update defconfig.
sparc32: Kill trap table freeing code.
sparc: sys32.S incorrect compat-layer splice() system call
sparc: Use page_fault_out_of_memory() for VM_FAULT_OOM.
sparc64: Sign extend length arg to truncate syscalls when compat.
sparc: Fix cleanup crash in bbc_envctrl_cleanup()
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This patch is based on commit d2f3ad4 (pxaficp-ir: remove incorrect
net_device_ops). Do the same for sa1100_ir.
Untested.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is based on commit d2f3ad4 (pxaficp-ir: remove incorrect
net_device_ops). Do the same for au1k_ir.
Untested.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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:
clockevent: Prevent dead lock on clockevents_lock
timers: Drop write permission on /proc/timer_list
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] ar7_wdt: fix path to ar7-specific headers
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When I rewrote tty ldisc code to use proper reference counts (commits
65b770468e98 and cbe9352fa08f) in order to avoid a race with hangup, the
test-program that Eric Biederman used to trigger the original problem
seems to have exposed another long-standing bug: the hangup code did the
'tty_ldisc_halt()' to stop any buffer flushing activity, but unlike the
other call sites it never actually flushed any pending work.
As a result, if you get just the right timing, the pending work may be
just about to execute (ie the timer has already triggered and thus
cancel_delayed_work() was a no-op), when we then re-initialize the ldisc
from under it.
That, in turn, results in various random problems, usually seen as a
NULL pointer dereference in run_timer_softirq() or a BUG() in
worker_thread (but it can be almost anything).
Fix it by adding the required 'flush_scheduled_work()' after doing the
tty_ldisc_halt() (this also requires us to move the ldisc halt to before
taking the ldisc mutex in order to avoid a deadlock with the workqueue
executing do_tty_hangup, which requires the mutex).
The locking should be cleaned up one day (the requirement to do this
outside the ldisc_mutex is very annoying, and weakens the lock), but
that's a larger and separate undertaking.
Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Tested-by: Xiaotian Feng <xtfeng@gmail.com>
Tested-by: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Tested-by: Dave Young <hidave.darkstar@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Based on Bspec each encoder has different sharing pipe property,
i.e. Integrated or SDVO TV both will occupy one pipe exclusively,
and sdvo-non-tv and crt are allowed to share one. The patch moves
sharing judgment into differnet output functions, and sets the right
clone bit.
This fixes both HDMI outputs choosing the same pipe.
https://bugs.freedesktop.org/show_bug.cgi?id=22247
Signed-off-by: Ma Ling <ling.ma@intel.com>
Reviewed-by : Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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After the following commit is shipped, the SDVO C detection will depend on
the SDVO_C/DP detion bit.
commit 13520b051e8888dd3af9bda639d83e7df76613d1
Author: Kristian Høgsberg <krh@redhat.com>
Date: Fri Mar 13 15:42:14 2009 -0400
drm/i915: Read the right SDVO register when detecting SVDO/HDMI.
According to the spec we should continue to detect the SDVO_B/C based on
the SDVO_B detection bit. The new detection bit on G4X platform is for
the HDMI_C detection rather than SDVO_C detection.
https://bugs.freedesktop.org/show_bug.cgi?id=20639
Signed-off-by: Ma Ling <ling.ma@intel.com>
Acked-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Bit SDVO_OUTPUT_SVID0 was tested twice
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Commit 0c2e39525b3b53a97a0202c5f35058147e53977e is not sufficient to
get fd.o bug #20115 fixed.
In addition intel_find_best_PLL() must not only rely on BIOS settings
for i9xx chips but also for i8xx, so drop the IS_I9XX() check.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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http://bugs.freedesktop.org/show_bug.cgi?id=21417
Signed-off-by: Sean Young <sean@mess.org>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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* 'fixes' of git://git.marvell.com/orion:
[ARM] Orion NAND: Make asm volatile avoid GCC pushing ldrd out of the loop
[ARM] Kirkwood: enable eSATA on QNAP TS-219P
[ARM] Kirkwood: __init requires linux/init.h
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: Fix radeon_gem_busy_ioctl harder.
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ucb1400_ts - enable interrupt unconditionally
Input: ucb1400_ts - enable ADC Filter
Input: wacom - don't use on-stack memory for report buffers
Input: iforce - support new revision of ACT LABS Force RS
Input: joydev - decouple axis and button map ioctls from input constants
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
smc91x: let smc91x work well under netpoll
pxaficp-ir: remove incorrect net_device_ops
NET: llc, zero sockaddr_llc struct
drivers/net: fixed drivers that support netpoll use ndo_start_xmit()
netpoll: warning for ndo_start_xmit returns with interrupts enabled
net: Fix Micrel KSZ8842 Kconfig description
netfilter: xt_quota: fix wrong return value (error case)
ipv6: Fix commit 63d9950b08184e6531adceb65f64b429909cc101 (ipv6: Make v4-mapped bindings consistent with IPv4)
E100: fix interaction with swiotlb on X86.
pkt_sched: Convert CBQ to tasklet_hrtimer.
pkt_sched: Convert qdisc_watchdog to tasklet_hrtimer
rtl8187: always set MSR_LINK_ENEDCA flag with RTL8187B
ibm_newemac: emac_close() needs to call netif_carrier_off()
net: fix ks8851 build errors
net: Rename MAC platform driver for w90p910 platform
yellowfin: Fix buffer underrun after dev_alloc_skb() failure
orinoco: correct key bounds check in orinoco_hw_get_tkip_iv
mac80211: fix todo lock
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GCC 4.3.3 and 4.4.1 happily moves the dword load instruction out of the
loop in orion_nand_read_buf. This patch makes the instruction volatile
to avoid the issue. I've discussed this at gcc-help, refer to the thread
at
http://gcc.gnu.org/ml/gcc-help/2009-08/msg00187.html
The early clobber is added to avoid the destination registers and the
source register overlapping.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The NETPOLL requires that interrupts remain disabled in its callbacks.
Using *_irq_save()/irq_restore() to replace *_irq_disable()/irq_enable()
functions in NETPOLL's callbacks of smc91x, so that it doesn't enable
interrupts when already disabled, and kgdboe/netconsole would work
properly over smc91x.
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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