The old code was wandering through the active list looking for pinned
buffers; there may be other pinned buffers around. Fortunately, we keep a
count of the total amount of pinned memory and can use that instead.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Instead, just warn that bad things are happening and do our best to clean up
the mess without the GPU's help.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The IMR masking was a technique recommended for avoiding getting stuck with
no interrupts generated again in MSI mode. It kept new IIR bits from getting
set between the IIR read and the IIR write, which would have otherwise
prevented an MSI from ever getting generated again. However, this caused a
problem for vblank as the IMR mask would keep the pipe event interrupt from
getting reflected in IIR, even after the IMR mask was brought back down.
Instead, just check the state of IIR after we ack the interrupts we're going
to handle, and restart if we didn't get IIR all the way to zero.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The pipestat fields affect reporting of all vblank-related interrupts, so we
have to reset them during the irq_handler, and while enabling vblank
interrupts. Otherwise, if a pipe status field had been set to non-zero
before enabling reporting, we would never see an interrupt again.
This patch adds i915_enable_pipestat and i915_disable_pipestat to abstract
out the steps needed to change the reported interrupts.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
ml_ff_playback() uses spin_(un)lock_bh. However this function is
called with interrupts disabled from erase_effect() in
drivers/input/ff-core.c:196.
This is not permitted, and will result in a WARN_ON in the bottom
half handling code. This patch changes this function to just use
spin_lock_irqsave() instead, solving the problem and simplifying
the locking logic.
This was reported as entry #106559 in kerneloops.org
Reported-by: kerneloops.org
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
the use of is_blah() suggests a 1 or 0 return. This assumption is made in
pxa25x_udc code such as:
dev->vbus = is_vbus_present();
where dev->vbus is a bitfield. This fix allows pxa25x_udc_probe to correctly
detect vbus. Other changes were to make its use consistent in the rest of
the code.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5330/1: mach-pxa: Fixup reset for systems using reboot=cold or other strings
[ARM] pxa: fix incorrect PCMCIA PSKTSEL pin configuration for spitz
[ARM] pxa: fix I2C controller device being registered twice on Akita
pxafb: only initialize the smart panel thread when dealing with a smartpanel
pxafb: introduce LCD_TYPE_MASK and use it.
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: ACE1001 patch for cp2101.c
USB: usbmon: fix read(2)
USB: gadget rndis: send notifications
USB: gadget rndis: stop windows self-immolation
USB: storage: update unusual_devs entries for Nokia 5300 and 5310
USB: storage: updates unusual_devs entry for the Nokia 6300
usb: musb: fix bug in musb_schedule
USB: fix SB700 usb subsystem hang bug
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (23 commits)
net: fix tiny output corruption of /proc/net/snmp6
atl2: don't request irq on resume if netif running
ipv6: use seq_release_private for ip6mr.c /proc entries
pkt_sched: fix missing check for packet overrun in qdisc_dump_stab()
smc911x: Fix printf format typo in smc911x driver.
asix: Fix asix-based cards connecting to 10/100Mbs LAN.
mv643xx_eth: fix recycle check bound
mv643xx_eth: fix the order of mdiobus_{unregister, free}() calls
sh: sh_eth: Update to change of mii_bus
TPROXY: supply a struct flowi->flags argument in inet_sk_rebuild_header()
TPROXY: fill struct flowi->flags in udp_sendmsg()
net: ipg.c fix bracing on endian swapping
phylib: Fix auto-negotiation restart avoidance
net: jme.c rxdesc.flags is __le16, other missing endian swaps
phylib: fix phy name example in documentation
net: Do not fire linkwatch events until the device is registered.
phonet: fix compilation with gcc-3.4
ixgbe: fix compilation with gcc-3.4
pktgen: fix multiple queue warning
net: fix ip_mr_init() error path
...
Add AX_MEDIUM_ENCK also when speed = 10/100Mbps. This allows my belkin
f5d5055 to work with my 100Mbps switch and with an old 10Mbps ISA card.
Without this patch, the card is recognized and the interface is brought
up fine, but no packets actually flow through the interface.
Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com>
Acked-by: David Hollis <dhollis@davehollis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When mv643xx_eth allocates skbuffs, it adds
'dma_get_cache_alignment() - 1' to the length it needs, so that it can
align the skb's ->data pointer to a cache boundary. When checking
whether a transmitted skbuff can be reused as a receive buffer, these
bytes needs to be included into the minimum bound for the recycle check.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update to change of mii_bus interface and fix some warning.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The patch which adds IDs for AKTAKOM USB->RS232 cable
(http://www.aktakom.ru/product/kio/ace-1001.htm) is attached.
From: M Kondrin <mkondrin@hppi.troitsk.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
There's a bug in the usbmon binary reader: When using read() to fetch
the packets and a packet's data is partially read, the next read call
will once again return up to len_cap bytes of data. The b_read counter
is not regarded when determining the remaining chunk size.
So, when dumping USB data with "cat /dev/usbmon0 > usbmon.trace" while
reading from a USB storage device and analyzing the dump file
afterwards it will get out of sync after a couple of packets.
Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
It turns out that atomic_inc_return() returns the *new* value
not the original one, so the logic in rndis_response_available()
kept the first RNDIS response notification from getting out.
This prevented interoperation with MS-Windows (but not Linux).
Fix this to make RNDIS behave again.
Signed-off-by: Richard Röjfors <richard.rojfors@endian.se>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Somewhere in the conversion of the RNDIS gadget code to the new
framework, the descriptor of its data interface seems to have
been copied from the CDC Ethernet driver. Unfortunately that
means it got a nonzero altsetting ... which is incorrect. Issue
uncovered by Richard Röjfors <richard.rojfors@endian.se>.
This patch fixes that problem, and resolves at least some cases
of Windows XP bluescreening itself.
Tested-by: Richard Röjfors <richard.rojfors@endian.se>.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch (as1168) updates the unusual_devs entry for the Nokia 5300.
According to Jorge Lucangeli Obes <t4m5yn@gmail.com>, some existing
models have a revision number lower than the lower limit of the
current entry.
The patch also moves the entry for the Nokia 5310 to its correct place
in the file.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch (as1169) modifies the unusual_devs entry for the Nokia
6300. According to Maciej Gierok <mgierok@gmail.com> and David
McBride <dwm@doc.ic.ac.uk>, the revision limits need to be wider.
This fixes Bugzilla #11768.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This bug was introduced recently. Fix it before bigger
problems appear.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch is required for AMD SB700 south bridge revision A12 and A13 to avoid
USB subsystem hang symptom. The USB subsystem hang symptom is observed when the
system has multiple USB devices connected to it. In some cases a USB hub may be
required to observe this symptom.
This patch works around the problem by correcting the internal register setting
that will help by changing the behavior of the internal logic to avoid the
USB subsystem hang issue. The change in the behavior of the logic does not
impact the normal operation of the USB subsystem.
Reported-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Tested-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Libin Yang <libin.yang@amd.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: more general identifier for Phoenix BIOS
AMD IOMMU: check for next_bit also in unmapped area
AMD IOMMU: fix fullflush comparison length
AMD IOMMU: enable device isolation per default
AMD IOMMU: add parameter to disable device isolation
x86, PEBS/DS: fix code flow in ds_request()
x86: add rdtsc barrier to TSC sync check
xen: fix scrub_page()
x86: fix es7000 compiling
x86, bts: fix unlock problem in ds.c
x86, voyager: fix smp generic helper voyager breakage
x86: move iomap.h to the new include location
Fix printk format warnings when CCISS_DEBUG is defined.
drivers/block/cciss.c:2856: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'
drivers/block/cciss.c:3205: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'long unsigned int'
drivers/block/cciss.c:3236: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64'
drivers/block/cciss.c:3246: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
OMAP LDP boot crash. This is because w1 subsystem changed the search
interface, so update omap_hdq's search interface to follow the change.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
One more error handling code should have kfree as well
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Eric Miao <eric.miao@marvell.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>
After commit a1d35a7a (cirrusfb: use modedb and add mode_option
parameter), these variables are no longer used, so remove them to fix
compilation warning.
Signed-off-by: Vlada Periæ <vlada.peric@gmail.com>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In order to analyze the SMC of the newer MacPros, applesmc needs to
recognize the machine. This patch adds the missing generic dmi_match
entry for MacPro models.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Error handling code following a kzalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,l;
position p1,p2;
expression *ptr != NULL;
@@
(
if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S
|
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
)
<... when != x
when != if (...) { <+...x...+> }
x->f = E
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Richard Purdie <rpurdie@linux.intel.com>
Cc: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix unsafe order in dma mapping operation: always flush data from the
cache *BEFORE* invalidating it, to allow full duplex transfers where the
same buffer may be used for both writes and reads.
Signed-off-by: Andrea Paterniani <a.paterniani@swapp-eng.it>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The LCD driver core calls LCD drivers when either the blanking state or
the display mode has changed, but does not make any check to see if the
called driver has a .set_mode method.
This means if a driver only has a .set_power method then the system will
OOPS on changing mode (and with the console semaphore held so you cannot
easily see the problem).
Fix the problem by ensuring that either callback is valid before use.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes a data corruption bug in pxa2xx_spi.c when operating in full duplex
mode with DMA and using buffers that overlap.
SPI transmit and receive buffers are allowed to be the same or to overlap.
However, this driver fails if such overlap is attempted in DMA mode
because it maps the rx and tx buffers in the wrong order. By mapping
DMA_FROM_DEVICE (read) before DMA_TO_DEVICE (write), it invalidates the
cache before flushing it, thus discarding data which should have been
transmitted.
The patch corrects the order of mapping. This bug exists in all versions
of pxa2xx_spi.c; similar bugs are in the drivers for two other SPI
controllers (au1500, imx).
A version of this patch has been tested on kernel 2.6.20 using
verification of loopback data with: random transfer length, random
bits-per-word, random positive offsets (both larger and smaller than
transfer length) between the start of the rx and tx buffers, and varying
clock rates.
Signed-off-by: Ned Forrester <nforrester@whoi.edu>
Cc: Vernon Sauder <vernoninhand@gmail.com>
Cc: J. Scott Merritt <merrij3@rpi.edu>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org> [2.6.27.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Restore support for compiling tmiofb with acceleration disabled.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Enable -D DEBUG in the GRU Makefile if CONFIG_SGI_GRU_DEBUG is selected.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are already various drivers having bigger label than 12 bytes. Most
of them fit well under 20 bytes but make column width exact so that
oversized labels don't mess up output alignment.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: David Brownell <david-b@pacbell.net>
Cc: <stable@kernel.org> [2.6.26.x, 2.6.26.x, 2.6.27.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When booting in a direct color mode, the penguin has dirty feet, i.e.,
some pixels have the wrong color. This is caused by
fb_set_logo_directpalette() which does not initialize the last 32 palette
entries.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The error test that follows the call to backlight_device_register semms
not to concern the right variable.
A simplified version of the semantic match that finds this problem is
as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@def0@
expression x;
position p0;
@@
x@p0 = backlight_device_register(...)
@protected@
expression def0.x,E;
position def0.p0;
position p;
statement S;
@@
x@p0
... when != x = E
if (!IS_ERR(x) && ...) {<... x@p ...>} else S
@unprotected@
expression def0.x;
identifier fld;
position def0.p0;
position p != protected.p;
@@
x@p0
... when != x = E
* x@p->fld
// </smpl>
Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add temperature sensor support for iMac 6.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Tested-by: Caleb Hyde <caleb.hyde@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
rxfd->frag_info is a __le64, IPG_RFI_FRAGLEN is a cpu-endian
constant and wants to be outside of the le64_to_cpu. Fixed
in multiple places.
Also an occurrence where le64_to_cpu was used instead of cpu_to_le64
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A previous patch, 51e2a3846e, made
genphy_config_aneg() not restart aneg by calling genphy_restart_aneg() if
the advertisement hadn't changed.
But, genphy_restart_aneg() doesn't just restart aneg, it may also *enable*
aneg or un-isolate the PHY from the MII (those functions are controlled by
the same register). The code to avoid calling genphy_restart_aneg() didn't
consider this.
So, modify genphy_config_aneg() to also check if the PHY needs to have aneg
enabled or be un-isolated before deciding not to restart aneg.
This caused a problem with certain Davicom PHYs, as that driver isolates
the PHY (why?) before calling genphy_config_aneg() and expects the PHY to
be un-isolated by that function.
Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Reported-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is the minimal patch to fix endian mismatches. These are
probably bugs on big-endian arches, noops on little endian.
jme_rxsum_ok could be improved to directly take a __le16 and
change all of the masks/sets to be in little-endian, but
has not been done here to keep the patch small.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
CC [M] drivers/net/ixgbe/ixgbe_main.o
drivers/net/ixgbe/ixgbe_main.c: In function `ixgbe_intr':
drivers/net/ixgbe/ixgbe_main.c:1290: sorry, unimplemented: inlining failed in call to 'ixgbe_irq_enable': function body not available
drivers/net/ixgbe/ixgbe_main.c:1312: sorry, unimplemented: called from here
make[4]: *** [drivers/net/ixgbe/ixgbe_main.o] Error 1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before initialization, dev->irq may be zero. Make sure we don't disable
it at reset time in that case.
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Impact: cleanup
I got the following warnings on IA64:
linux-2.6/drivers/pci/intel-iommu.c: In function 'init_dmars':
linux-2.6/drivers/pci/intel-iommu.c:1658: warning: format '%Lx' expects type 'long long unsigned int', but argument 2 has type 'u64'
linux-2.6/drivers/pci/intel-iommu.c:1663: warning: format '%Lx' expects type 'long long unsigned int', but argument 2 has type 'u64'
Another victim of int-ll64.h versus int-l64.h confusion between platforms.
->reg_base_addr has a type of u64 - which can only be printed out
consistently if we cast its type up to LL.
[ Eventually reg_base_addr should be converted to phys_addr_t, for which
we have the %pR printk helper - but that is out of the scope of late
-rc's. ]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
So I dug deeper into the DMA problems I had with iwlagn and a kind soul
helped me in that he said something about pci-e alignment and mentioned
the iwl_rx_allocate function to check for crossing 4KB boundaries. Since
there's 8KB A-MPDU support, crossing 4k boundaries didn't seem like
something the device would fail with, but when I looked into the
function for a minute anyway I stumbled over this little gem:
BUG_ON(rxb->dma_addr & (~DMA_BIT_MASK(36) & 0xff));
Clearly, that is a totally bogus check, one would hope the compiler
removes it entirely. (Think about it)
After fixing it, I obviously ran into it, nothing guarantees the
alignment the way you want it, because of the way skbs and their
headroom are allocated. I won't explain that here nor double-check that
I'm right, that goes beyond what most of the CC'ed people care about.
So then I came up with the patch below, and so far my system has
survived minutes with 64K pages, when it would previously fail in
seconds. And I haven't seen a single instance of the TX bug either. But
when you see the patch it'll be pretty obvious to you why.
This should fix the following reported kernel bugs:
http://bugzilla.kernel.org/show_bug.cgi?id=11596http://bugzilla.kernel.org/show_bug.cgi?id=11393http://bugzilla.kernel.org/show_bug.cgi?id=11983
I haven't checked if there are any elsewhere, but I suppose RHBZ will
have a few instances too...
I'd like to ask anyone who is CC'ed (those are people I know ran into
the bug) to try this patch.
I am convinced that this patch is correct in spirit, but I haven't
understood why, for example, there are so many unmap calls. I'm not
entirely convinced that this is the only bug leading to the TX reply
errors.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Before ieee80211_notify_mac() was added, it was presented with the
use case of using it to tell mac80211 that the association may
have been lost because the firmware crashed/reset.
Since then, it has also been used by iwlwifi to (slightly) speed
up re-association after resume, a workaround around the fact that
mac80211 has no suspend/resume handling yet. It is also not used
by any other drivers, so clearly it cannot be necessary for "good
enough" suspend/resume.
Unfortunately, the callback suffers from a severe problem: It only
works for station mode. If suspend/resume happens while in IBSS or
any other mode (but station), then the callback is pointless.
Recently, it has created a number of locking issues, first because
it required rtnl locking rather than RCU due to calling sleeping
functions within the critical section, and now because it's called
by iwlwifi from the mac80211 workqueue that may not use the rtnl
because it is flushed under rtnl.
(cf. http://bugzilla.kernel.org/show_bug.cgi?id=12046)
I think, therefore, that we should take a step back, remove it
entirely for now and add the small feature it provided properly.
For suspend and resume we will need to introduce new hooks, and for
the case where the firmware was reset the driver will probably
simply just pretend it has done a suspend/resume cycle to get
mac80211 to reprogram the hardware completely, not just try to
connect to the current AP again in station mode. When doing so, we
will need to take into account locking issues and possibly defer
to schedule_work from within mac80211 for the resume operation,
while the suspend operation must be done directly.
Proper suspend/resume should also not necessarily try to reconnect
to the current AP, the time spent in suspend may have been short
enough to not be disconnected from the AP, mac80211 will detect
that the AP went out of range quickly if it did, and if the
association is lost then the AP will disassoc as soon as a data
frame is sent. We might also take into account WWOL then, and
have mac80211 program the hardware into such a mode where it is
available and requested.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
skb->tail can't be meant here because it's not the same across 32/64 bit
compilations. This means there's no way the current driver can work on
64-bit architectures.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: stable@kernel.org [2.6.27]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We should release old elevator when change to use a new one.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Impact: fix guest kernel crash with CONFIG_XEN_SCRUB_PAGES=y
Jens noticed that scrub_page() has a buggy unmap of the wrong
thing. (virtual address instead of page)
Linus pointed out that the whole scrub_page() code is an unnecessary
reimplementation of clear_highpage() to begin with.
Just use clear_highpage() rather than reimplementing it poorly.
Reported-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
rtnetlink: propagate error from dev_change_flags in do_setlink()
isdn: remove extra byteswap in isdn_net_ciscohdlck_slarp_send_reply
Phonet: refuse to send bigger than MTU packets
e1000e: fix IPMI traffic
e1000e: fix warn_on reload after phy_id error
phy: fix phy address bug
e100: fix dma error in direction for mapping
igb: use dev_printk instead of printk
qla3xxx: Cleanup: Fix link print statements.
igb: Use device_set_wakeup_enable
e1000: Use device_set_wakeup_enable
e1000e: Use device_set_wakeup_enable
via-velocity: enable perfect filtering for multicast packets
phy: Add support for Marvell 88E1118 PHY
mlx4_en: Pause parameters per port
phylib: fix premature freeing of struct mii_bus
atl1: Do not enumerate options unsupported by chip
atl1e: fix broken multicast by removing unnecessary crc inversion
gianfar: Fix DMA unmap invocations
net/ucc_geth: Fix oops in uec_get_ethtool_stats()
...
commit a144ea4b7a [IPV4]: annotate struct in_ifaddr
Missed this extra byteswap as the isdn inlines hide the htonl inside
put_u32 which causes an extra byteswap on little-endian arches.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some users reported that they have machines with BMCs enabled that cannot
receive IPMI traffic after e1000e is loaded.
http://marc.info/?l=e1000-devel&m=121909039127414&w=2http://marc.info/?l=e1000-devel&m=121365543823387&w=2
This fixes the issue if they load with the new parameter = 0 by disabling
crc stripping, but leaves the performance feature on for most users.
Based on work done by Hong Zhang.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the driver fails to initialize the first time due to the failure in the
phy_id check the kernel triggers a warn_on on the second try to load the
driver because the driver did not free the msi/x resources in the first
load because of the previous failure in phy_id check.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vendor BSP used for the WM8350 development provided an I2C driver
which incorrectly returned zero on succesful sends rather than the
number of transmitted bytes, an error which was then propagated into the
WM8350 I2C accessors.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Commit 0794469da3: ("ACPI: struct device -
replace bus_id with dev_name(), dev_set_name()") introduced a bug by
testing 'dev_name(ldev)' instead of 'ldev->bus' for NULL when printing
out the bus information.
So if ldev->bus was NULL, we'd oops.
Reported-and-tested-by: Bruno Prmont <bonbons@linux-vserver.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
PHYID returns 0xffff and not 0xffffffff when not found and in some
case(at91sam9263) 0x0. Maybe this patch could be useful.
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The e100 driver triggers BUG_ON(buf->direction != dir)
by doing pci_map_single(..., PCI_DMA_BIDIRECTIONAL)
and pci_dma_sync_single_for_device(..., PCI_DMA_TODEVICE).
Changing the DMA direction, especially with dmabounce will result
in unexpected behaviour.
Reported-by: Anders Grafstrom <grfstrm@users.sourceforge.net>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use dev_printk() instead of printk() to give a little more context
and use consistent format.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Removed debug print statements and improved conditionals around informational statements.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since dev->power.should_wakeup bit is used by the PCI core to
decide whether the device should wake up the system from sleep
states, set/unset this bit whenever WOL is enabled/disabled using
igb_set_wol(). Accordingly, use device_can_wakeup() for checking
if wake-up is supported by the device.
Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since dev->power.should_wakeup bit is used by the PCI core to
decide whether the device should wake up the system from sleep
states, set/unset this bit whenever WOL is enabled/disabled using
e1000_set_wol(). Accordingly, use device_can_wakeup() for checking
if wake-up is supported by the device.
Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since dev->power.should_wakeup bit is used by the PCI core to
decide whether the device should wake up the system from sleep
states, set/unset this bit whenever WOL is enabled/disabled using
e1000_set_wol(). Accordingly, use device_can_wakeup() for checking
if wake-up is supported by the device.
Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: don't grab devices with no input
HID: fix radio-mr800 hidquirks
HID: fix kworld fm700 radio hidquirks
HID: fix start/stop cycle in usbhid driver
HID: use single threaded work queue for hid_compat
HID: map macbook keys for "Expose" and "Dashboard"
HID: support for new unibody macbooks
HID: fix locking in hidraw_open()
This patch will add support for the Marvell 88E1118 PHY which supports gigabit ethernet among other things.
Signed-off-by: Ron Madrid <ron_madrid@sbcglobal.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before the change the driver reported the same pause parameters
for all the ports, even only one of them was modified.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
drivers/hwmon/lis3lv02d.c
This patch removes the said #include <version.h>.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'sh/for-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
serial: sh-sci: Reorder the SCxTDR write after the TDxE clear.
sh: __copy_user function can corrupt the stack in case of exception
sh: Fixed the TMU0 reload value on resume
sh: Don't factor in PAGE_OFFSET for valid_phys_addr_range() check.
sh: early printk port type fix
i2c: fix i2c-sh_mobile rx underrun
sh: Provide a sane valid_phys_addr_range() to prevent TLB reset with PMB.
usb: r8a66597-hcd: fix wrong data access in SuperH on-chip USB
fix sci type for SH7723
serial: sh-sci: fix cannot work SH7723 SCIFA
sh: Handle fixmap TLB eviction more coherently.
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB (9624): CVE-2008-5033: fix OOPS on tvaudio when controlling bass/treble
V4L/DVB (9623): tvaudio: Improve debug msg by printing something more human
V4L/DVB (9622): tvaudio: Improve comments and remove a unneeded prototype
V4L/DVB (9621): Avoid writing outside shadow.bytes[] array
V4L/DVB (9620): tvaudio: use a direct reference for chip description
V4L/DVB (9619): tvaudio: update initial comments
V4L/DVB (9618): tvaudio: add additional logic to avoid OOPS
V4L/DVB (9617): tvtime: remove generic_checkmode callback
V4L/DVB (9616): tvaudio: cleanup - group all callbacks together
V4L/DVB (9615): tvaudio: instead of using a magic number, use ARRAY_SIZE
V4L/DVB (9613): tvaudio: fix a memory leak
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] dpt_i2o: fix transferred data length for scsi_set_resid()
[SCSI] scsi_error regression: Fix idempotent command handling
[SCSI] zfcp: Fix hexdump data in s390dbf traces
[SCSI] zfcp: fix erp timeout cleanup for port open requests
[SCSI] zfcp: Wait for port scan to complete when setting adapter online
[SCSI] zfcp: Fix cast warning
[SCSI] zfcp: Fix request list handling in error path
[SCSI] zfcp: fix mempool usage for status_read requests
[SCSI] zfcp: fix req_list_locking.
[SCSI] zfcp: Dont clear reference from SCSI device to unit
[SCSI] qla2xxx: Update version number to 8.02.01-k9.
[SCSI] qla2xxx: Return a FAILED status when abort mailbox-command fails.
[SCSI] qla2xxx: Do not honour max_vports from firmware for 2G ISPs and below.
[SCSI] qla2xxx: Use pci_disable_rom() to manipulate PCI config space.
[SCSI] qla2xxx: Correct Atmel flash-part handling.
[SCSI] megaraid: fix mega_internal_command oops
m68k allmodconfig:
| drivers/misc/c2port/core.c: In function 'c2port_reset':
| drivers/misc/c2port/core.c:73: error: dereferencing pointer to incomplete type
| drivers/misc/c2port/core.c: In function 'c2port_strobe_ck':
| drivers/misc/c2port/core.c:91: error: dereferencing pointer to incomplete type
Include <linux/sched.h> to fix it, as m68k's local_irq_enable() needs to know
about struct task_struct.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dpt_i2o.c::adpt_i2o_to_scsi() reads the value at (reply+5) which
should contain the length in bytes of the transferred data. This
would be correct if reply was a u32 *. However it is a void * here,
so we need to read the value at (reply+20) instead.
The value at (reply+5) is usually 0xff0000, which is apparently
'large enough' and didn't cause any trouble until 2.6.27 where
commit 427e59f09f
Author: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Sat Mar 8 18:24:17 2008 -0600
[SCSI] make use of the residue value
caused this to become visible through e.g. iostat -x .
Signed-off-by: Miquel van Smoorenburg <mikevs@xs4all.net>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
- simplified code
- use platform_driver_probe
- removed locking: it's provided by rtc subsystem
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently libata uses four methods to detect device presence.
1. PHY status if available.
2. TF register R/W test (only promotes presence, never demotes)
3. device signature after reset
4. IDENTIFY failure detection in SFF state machine
Combination of the above works well in most cases but recently there
have been a few reports where a phantom device causes unnecessary
delay during probe. In both cases, PHY status wasn't available. In
one case, it passed #2 and #3 and failed IDENTIFY with ATA_ERR which
didn't qualify as #4. The other failed #2 but as it passed #3 and #4,
it still caused failure.
In both cases, phantom device reported diagnostic failure, so these
cases can be safely worked around by considering any !ATA_DRQ IDENTIFY
failure as NODEV_HINT if diagnostic failure is set.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Commit 46abc02175 ("phylib: give mdio
buses a device tree presence") added a call to device_unregister() in
a situation where the caller did not intend for the device to be
freed yet, but apart from just unregistering the device from the
system, device_unregister() does an additional put_device() that is
intended to free it.
The right function to use in this situation is device_del(), which
unregisters the device from the system like device_unregister() does,
but without dropping the reference count an additional time.
Bug report from Bryan Wu <cooloney@kernel.org>.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Of the various WOL options provided in include/linux/ethtool.h, the
L1 NIC supports only magic packet. Remove all options except magic
packet from the atl1 driver.
Signed-off-by: Jay Cliburn <jcliburn@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Inverting the crc after calling ether_crc_le() is unnecessary and breaks
multicast. Remove it.
Tested-by: David Madore <david.madore@ens.fr>
Signed-off-by: Jay Cliburn <jcliburn@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
We weren't unmapping DMA memory, which will break when gianfar gets used
on systems with more than 32-bits of memory. Also, it's just plain wrong.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
p_{tx,rx}_fw_statistics_pram are special: they're available only when
a device is open. If the device is closed, we should just fill the data
with zeroes.
Fixes the following oops:
root@b1:~# ifconfig eth1 down
root@b1:~# ethtool -S eth1
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc01e1dcc
Oops: Kernel access of bad area, sig: 11 [#1]
[...]
NIP [c01e1dcc] uec_get_ethtool_stats+0x98/0x124
LR [c0287cc8] ethtool_get_stats+0xfc/0x23c
Call Trace:
[cfaadde0] [c0287ca8] ethtool_get_stats+0xdc/0x23c (unreliable)
[cfaade20] [c0288340] dev_ethtool+0x2fc/0x588
[cfaade50] [c0285648] dev_ioctl+0x290/0x33c
[cfaadea0] [c0272238] sock_ioctl+0x80/0x2ec
[cfaadec0] [c00b5ae4] vfs_ioctl+0x40/0xc0
[cfaadee0] [c00b5fa8] do_vfs_ioctl+0x78/0x20c
[cfaadf10] [c00b617c] sys_ioctl+0x40/0x74
[cfaadf40] [c00142d8] ret_from_syscall+0x0/0x38
[...]
---[ end trace b941007b2dfb9759 ]---
Segmentation fault
p.s. While at it, also remove u64 casts, they aren't needed.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This driver is pretty mature, and the worst of the known
problems has been fixed (the 32-bit failures due to readq
implementation).
So let's finally give it a version of 1.0
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for the Sun CP3260 ATCA blade which is
a N2 based ATCA blade with 2 NIU ports. The NIU ports do not
have on-board PHY.
Signed-off-by: Santwona Behera <santwona.behera@sun.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create Documentation/blockdev/ sub-directory and populate it.
Populate the Documentation/serial/ sub-directory.
Move MSI-HOWTO.txt to Documentation/PCI/.
Move ioctl-number.txt to Documentation/ioctl/.
Update all relevant 00-INDEX files.
Update all relevant Kconfig files and source files.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
![](/avatar/43508f7a1ec957af441e34aa327a4088?size=56 "\\"Rafael J. Wysocki\"){kind=small}
