If the TSC is constant and non-stop, also set it reliable.
(We will turn this off in DMI quirks for multi-chassis systems)
The performance number on a 16-way Nehalem system running
32 tasks that context-switch between each other is significant:
sched_clock_stable=0 sched_clock_stable=1
.................... ....................
22.456925 million/sec 24.306972 million/sec [+8.2%]
lmbench's "lat_ctx -s 0 2" goes from 0.63 microseconds to
0.59 microseconds - a 6.7% increase in context-switching
performance.
Perfstat of 1 million pipe context switches between two tasks:
Performance counter stats for './pipe-test-1m':
[before] [after]
............ ............
37621.421089 36436.848378 task clock ticks (msecs)
0 0 CPU migrations (events)
2000274 2000189 context switches (events)
194 193 pagefaults (events)
8433799643 8171016416 CPU cycles (events) -3.21%
8370133368 8180999694 instructions (events) -2.31%
4158565 3895941 cache references (events) -6.74%
44312 46264 cache misses (events)
2349.287976 2279.362465 wall-time (msecs) -3.06%
The speedup comes straight from the reduction in the instruction
count. sched_clock_cpu() got simpler and the whole workload thus
executes faster.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Allow CONFIG_HAVE_UNSTABLE_SCHED_CLOCK architectures to still specify
that their sched_clock() implementation is reliable.
This will be used by x86 to switch on a faster sched_clock_cpu()
implementation on certain CPU types.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
Add i2c_board_info for RiscPC PCF8583
i2c: Make sure i2c_algo_bit_data.timeout is HZ-independent
i2c-dev: Clarify the unit of ioctl I2C_TIMEOUT
i2c: Timeouts reach -1
i2c: Fix misplaced parentheses
* 'firedtv-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firedtv: dvb_frontend_info for FireDTV S2, fix "frequency limits undefined" error
firedtv: massive refactoring
firedtv: rename files, variables, functions from firesat to firedtv
firedtv: Use DEFINE_SPINLOCK
firedtv: fix registration - adapter number could only be zero
firedtv: use length_field() of PMT as length
firedtv: fix returned struct for ca_info
firedtv: cleanups and minor fixes
ieee1394: remove superfluous assertions
ieee1394: inherit ud vendor_id from node vendor_id
ieee1394: add hpsb_node_read() and hpsb_node_lock()
ieee1394: use correct barrier types between accesses of nodeid and generation
firesat: copyrights, rename to firedtv, API conversions, fix remote control input
firesat: avc resend
firesat: update isochronous interface, add CI support
firesat: add DVB-S support for DVB-S2 devices
firesat: fix DVB-S2 device recognition
DVB: add firesat driver
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: Fix deadlock in ext4_write_begin() and ext4_da_write_begin()
ext4: Add fallback for find_group_flex
Add the necessary i2c_board_info structure to fix the lack of PCF8583
RTC on RiscPC.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
i2c_algo_bit_data.timeout is supposed to be in jiffies, so drivers
should use set this value in terms of HZ.
Ultimately I think this field should be discarded in favor of
i2c_adapter.timeout, but that's left for a future patch.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Lennert Buytenhek <kernel@wantstofly.org>
Acked-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>
The unit in which user-space can set the bus timeout value is jiffies
for historical reasons (back when HZ was always 100.) This is however
not good because user-space doesn't know how long a jiffy lasts. The
timeout value should instead be set in a fixed time unit. Given the
original value of HZ, this unit should be 10 ms, for compatibility.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
With a postfix decrement these timeouts reach -1 rather than 0, but
after the loop it is tested whether they have become 0.
As pointed out by Jean Delvare, the condition we are waiting for should
also be tested before the timeout. With the current order, you could
exit with a timeout error while the job is actually done.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
I found that the function fdtv_frontend_init in the file firedtv-fe.c was
missing a case for FIREDTV_DVB_S2 which resulted in "frequency limits
undefined" errors in syslog.
Signed-off-by: Beat Michel Liechti <bml303@gmail.com>
Change by Stefan R: combine it with case case FIREDTV_DVB_S as
originally suggested by Beat Michel. This enables FE_CAN_FEC_AUTO also
for FireDTV-S2 devices which is possible as long as only DVB-S channels
are used. FE_CAN_FEC_AUTO would be wrong for DVB-S2 channels, but those
cannot be used yet since the driver is not yet converted to S2API.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Combination of the following changes:
Mon, 23 Feb 2009 14:21:10 +0100 (CET)
firedtv: reinstate debug logging option
Henrik Kurelid tells me that FCP debug logging (which I removed during
cleanups) is still useful when working on driver issues together with
end users. So bring it back in an updated form with only 60% of the
original code footprint.
Logging can be enabled with
# echo -1 > /sys/module/firedtv/parameters/debug
1 instead of -1 enables only FCP header logging,
2 instead of -1 enables only hexdumps of the entire FCP frames.
0 switches logging off again.
Fri, 20 Feb 2009 20:54:27 +0100 (CET)
firedtv: build fix for INPUT=m and DVB_FIREDTV=y
Thu, 19 Feb 2009 20:40:39 +0100
firedtv: use msecs_to_jiffies
Pointed out by Mauro Carvalho Chehab.
Sun Feb 15 20:50:46 CET 2009
firedtv: some more housekeeping
Fix an old checkpatch warning and a new compiler warning.
Sun Feb 15 15:33:17 CET 2009
firedtv: rename a file once more
At the moment, about a third of avc.c is specific to FireDTVs rather
than generic AV/C code. Rename it to firedtv-avc.c.
Sun Feb 15 15:33:17 CET 2009
firedtv: dvb demux: more compact channels backing store
Replace struct firedtv_channel { bool active; int pid; } channel[16];
by unsigned long channel_active; u16 channel_pid[16];.
Sun Feb 15 15:33:17 CET 2009
firedtv: dvb demux: some simplifications
c->active was unnecessarily cleared twice.
Also, by marking the channel inactive before the for loop,
the loop becomes identical with fdtv_channel_collect().
Sun Feb 15 15:33:17 CET 2009
firedtv: dvb demux: remove a bogus loop
This loop is unnecessary because
- only active channel[].pid's will be sent to the device,
- when a channel is activated, its pid is set to dvbdmxfeed->pid.
Perhaps the original code was there because it was initially not fully
covered by the fdtv->demux_mutex.
Sun Feb 15 15:33:17 CET 2009
firedtv: dvb demux: fix mutex protection
fdtv_start_feed() accessed the channel list unsafely.
Fully serialize it with itself and fdtv_stop_feed().
Sun Feb 15 15:33:17 CET 2009
firedtv: dvb demux: fix missing braces
Original code was:
...
case DMX_TS_PES_OTHER:
//Dirty fix to keep firesat->channel pid-list up to date
for(k=0;k<16;k++){
if(firesat->channel[k].active == 0)
firesat->channel[k].pid =
dvbdmxfeed->pid;
break;
}
channel = firesat_channel_allocate(firesat);
break;
default:
...
Looks bogus in several respects. For now let's just add braces to the if
because that seems to be what the author meant.
Sun Feb 15 15:33:17 CET 2009
firedtv: allow build without input subsystem
!CONFIG_INPUT is very unlikely on systems on which firedtv is of
interest. But we can easily support it.
Sun Feb 15 15:33:17 CET 2009
firedtv: replace EXTRA_CFLAGS by ccflags
The former are deprecated.
The latter can depend on Kconfig variables.
Sun Feb 15 15:33:17 CET 2009
firedtv: concentrate ieee1394 dependencies
Move the entire interface with drivers/ieee1394 to firedtv-1394.c.
Move 1394-independent module initialization code to firedtv-dvb.c.
This prepares interfacing with drivers/firewire.
Sun Feb 15 15:33:17 CET 2009
firedtv: amend Kconfig menu prompt
Sun Feb 15 15:33:17 CET 2009
firedtv: remove kernel version compatibility macro
Sun Feb 15 15:33:17 CET 2009
firedtv: combine header files
avc.h and firedtv-*.h are small and currently not shared with other
drivers, hence concatenate them all into firedtv.h.
Sun Feb 15 15:33:17 CET 2009
firedtv: misc style touch-ups
Standardize on lower-case hexadecimal constants. Adjust whitespace.
Omit unnecessary pointer type casts and an unnecessary list head
initialization. Use dev_printk.
Wed Feb 11 21:21:04 CET 2009
firedtv: avc, ci: remove unused constants
Wed Feb 11 21:21:04 CET 2009
firedtv: avc: remove bitfields from read descriptor response operands
Don't use bitfields in struct types of on-the-wire data.
Wed Feb 11 21:21:04 CET 2009
firedtv: avc: remove bitfields from DSD command operands
Don't use bitfields in struct types of on-the-wire data.
Wed Feb 11 21:21:04 CET 2009
firedtv: avc: header file cleanup
Remove unused constants and declarations.
Move privately used constants into .c files.
Wed Feb 11 21:21:04 CET 2009
firedtv: avc: remove bitfields from FCP frame types
Don't use bitfields in struct types of on-the-wire data.
Also move many privately used constants from avc.h to avc.c
and remove some unused constants.
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: avc: fix offset in avc_tuner_get_ts
The parentheses were wrong. It didn't matter though because this code
only writes a 0 into an area which is already initialized to 0.
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: avc: reduce stack usage, remove two typedefs
It is safe to share a memory buffer for command frame and response frame
because the response data come in after the command frame was last used.
Even less stack would be required if only the actual required frame size
instead of the entire FCP register size was allocated.
Also, rename the defined types AVCCmdFrm and AVCRspFrm to
struct avc_command_frame and struct avc_response_frame.
TODO: Remove the bitfields in these types.
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: cmp: move code to avc
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: iso: move code to firedtv-1394
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: iso: remove unnecessary struct type definitions
Sun, 18 Jan 2009 16:30:00 +0100 (CET)
firedtv: iso: style changes and fixlets
Add cleanup after failure in setup_iso_channel.
Replace printk() by dv_err().
Decrease indentation level in rawiso_activity_cb().
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Combination of the following changes:
Sat, 17 Jan 2009 14:47:34 +0100
firedtv: rename variables and functions from firesat to firedtv
Signed-off-by: Rambaldi <Rambaldi@xs4all.nl>
Additional changes by Stefan Richter:
Renamed struct firedtv *firedtv to struct firedtv *fdtv and
firedtv_foo_bar() to fdtv_foo_bar() for brevity.
Sat, 17 Jan 2009 13:07:44 +0100
firedtv: rename files from firesat to firedtv
Signed-off-by: Rambaldi <Rambaldi@xs4all.nl>
Additional changes by Stefan Richter:
Name the directory "firewire" instead of "firedtv".
Standardize on "-" instead of "_" in file names, because that's what
drivers/firewire/ and drivers/media/dvb/dvb-usb/ use too.
Build fix.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
SPIN_LOCK_UNLOCKED is deprecated. The following makes the change suggested
in Documentation/spinlocks.txt
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
There was a bug causing the initialization to fail if adapter number was
greater than zero. The adapter was however registered which caused the driver
to oops the second time initialization was tried.
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Parsed and used the length_field() of the PMT message instead of using
the length field of the message struct, which does not seem to be filled
correctly by e.g. MythTV.
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
The SystemId of the ca_info message was filled with garbage.
It now returns what the card returns.
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Combination of the following changes:
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: increase FCP frame length for DVB-S2 tune QSPK
The last three bytes didn't go out to the wire.
Effect of the fix not yet tested.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: replace mdelay by msleep
These functions can sleep (and in fact sleep for the duration of a whole
FCP transaction). Hence msleep is more appropriate here.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: trivial reorganization in avc_api
Reduce nesting level by factoring code out of avc_tuner_dsd() into
helper functions.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: trivial cleanups in avc_api
Use dev_err(), no CamelCase function names, adjust comment style, put
#if 0 around unused code and add FIXME comments, standardize on
lower-case hexadecimal constants, use ALIGN() for some frame length
calculations, make a local function static...
The code which writes FCP command frames and reads FCP response frames
is not yet brought into canonical kernel coding style because this
involves changes of typedefs (on-the-wire bitfields).
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: don't retry oPCR updates endlessly
In the theoretical case that the target node wasn't handling the lock
transactions as expected or there was continued interference by other
initiating nodes, these functions wouldn't return for ages.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: remove bitfield typedefs from cmp, fix for big endian CPUs
Use macros/ inline functions/ standard byte order accessors to read and
write oPCR register values (big endian bitfields, on-the-wire data).
The new code may not be the ultimate optimum, but it doesn't occur in a
hot path.
This fixes the CMP code for big endian CPUs. So far I tested it only on
a little endian CPU though.
For now, include <asm/byteorder.h> instead of <linux/byteorder.h>
because drivers/ieee1394/*.h also include the former. I will fix this
in drivers/ieee1394 and firedtv later.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: trivial cleanups in cmp
Reduce nesting level by means of early exit and goto.
Remove obsolete includes, use dev_err(), no CamelCase function names...
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: trivial cleanups in firesat-ci
Whitespace, variable names, comment style...
Also, use dvb_generic_open() and dvb_generic_release() directly as
our hooks in struct file_operations because firedtv's wrappers merely
called these generic functions.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: remove CA debug code
This looks like it is not necessary to have available for endusers who
cannot patch kernels for bug reporting and tests of fixes.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: remove AV/C debug code
This looks like it is not necessary to have available for endusers who
cannot patch kernels for bug reporting and tests of fixes.
Sun, 2 Nov 2008 13:45:00 +0100 (CET)
firedtv: remove various debug code
Most of this was already commented out. And that which wasn't is not
relevant in normal use.
Mon, 29 Sep 2008 19:22:48 +0200 (CEST)
firedtv: register input device as child of a FireWire device
Instead of one virtual input device which exists for the whole lifetime
of the driver and receives events from all connected FireDTVs, register
one input device for each firedtv device. These input devices will show
up as children of the respective firedtv devices in the sysfs hierarchy.
However, the implementation falls short because of a bug in userspace:
Udev's path_id script gets stuck with 100% CPU utilization, maybe
because of an assumption about the maximum ieee1394 device hierarchy
depth.
To avoid this bug, we use the fw-host device instead of the proper
unit_directory device as parent of the input device.
There is hope that the port to the new firewire stack won't be inhibited
by this userspace bug because there are no fw-host devices there.
Mon, 29 Sep 2008 19:21:52 +0200 (CEST)
firedtv: fix string comparison and a few sparse warnings
Sparse found a bug:
while ((kv_buf + kv_len - 1) == '\0')
should have been
while (kv_buf[kv_len - 1] == '\0')
We fix it by a better implementation without a temporary copy.
Also fix sparse warnings of 0 instead of NULL and signedness mismatches.
Mon, 29 Sep 2008 19:21:20 +0200 (CEST)
firedtv: remove unused struct members
and redefine an int as a bool.
Mon, 29 Sep 2008 19:20:36 +0200 (CEST)
firedtv: fix initialization of dvb_frontend.ops
There was a NULL pointer reference if no dvb_frontend_info was found.
Also, don't directly assign struct typed values to struct typed
variables. Instead write out assignments to individual strcut members.
This reduces module size by about 1 kB.
Mon, 29 Sep 2008 19:19:41 +0200 (CEST)
firedtv: remove unused dual subunit code from initialization
No FireDTVs with more than one subunit exists, hence simplify the
initialization for the special case of one subunit. The driver was able
to check for more than one subunit but was broken for more than two
subunits.
While we are at it, add several missing cleanups after failure, and
include a few dynamically allocated structures diretly into struct
firesat instead of allocating them separately.
Mon, 29 Sep 2008 19:19:08 +0200 (CEST)
firedtv: add vendor_id and version to driver match table
Now that nodemgr was enhanced to match against the root directory's
vendor ID if there isn't one in the unit directory, use this to
prevent firedtv to be bound to wrong devices by accident.
Also add the AV/C software version ID to the match flags for
completeness; specifier ID and software only make sense as a pair.
Mon, 29 Sep 2008 19:18:30 +0200 (CEST)
firedtv: use hpsb_node_read(), _write(), _lock()
because they are simpler and treat the node generation more correctly.
While we are at it, clean up and simplify surrounding code.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
hpsb_read, hpsb_write, hpsb_lock are sleeping functions which nobody is
in danger to use in atomic context. Besides, in_interrupt does not
cover all types of atomic context.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
While Module_Vendor_ID in the configuration ROM's root directory is
mandatory, there often aren't vendor IDs in unit directories. This
affects the new firedtv driver which is meant to be auto-loaded and
matched only for vendor-specific devices.
We now always copy ne->vendor_id into ud->vendor_id before we scan a
unit directory (and fill in a possibly present vendor ID from there).
This way, the root directory's vendor ID is used as fallback in the
"uevent" environment for modprobe'ing per module alias when a node was
plugged in, and in the driver match routine when protocol drivers are
bound to unit directories. It will however not be used as sysfs
attribute of a unit directory device.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
These will be used by the firedtv driver. Like hpsb_node_write() they
are much better APIs for high-level drivers than hpsb_write() and its
siblings --- easier to use correctly and also terser.
Unlike hspb_node_write(), the two new functions will only be used by
one call site. Hence make them static inline instead of exported
symbols.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
A compiler barrier (explicit on the read side, implicit on the write
side) is not quite enough for what has to be accomplished here. Use
hardware memory barriers on systems which need them.
(Of course a full fix of generation handling would require much more
than this. The ieee1394 core's bus generation counter had to be tied to
the controller's bus generation counter; cf. Kristian's stack. It's
just that I have other current business with the code around these
barrier()s, so why not do at least this small fix.)
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Combination of the following changes:
Tue, 26 Aug 2008 00:17:30 +0200 (CEST)
firedtv: fix remote control input
and update the scancode-to-keycode mapping to a current model. Per
default, various media key keycodes are emitted which closely match what
is printed on the remote. Userland can modify the mapping by means of
evdev ioctls. (Not tested.)
The old scancode-to-keycode mapping is left in the driver but cannot be
modified by ioctls. This preserves status quo for old remotes.
Tue, 26 Aug 2008 00:11:28 +0200 (CEST)
firedtv: replace tasklet by workqueue job
Non-atomic context is a lot nicer to work with.
Sun, 24 Aug 2008 23:30:00 +0200 (CEST)
firedtv: move some code back to ieee1394 core
Partially reverts "ieee1394: remove unused code" of Linux 2.6.25.
Sun, 24 Aug 2008 23:29:30 +0200 (CEST)
firedtv: replace semaphore by mutex
firesat->avc_sem and ->demux_sem have been used exactly like a mutex.
The only exception is the schedule_remotecontrol tasklet which did a
down_trylock in atomic context. This is not possible with
mutex_trylock; however the whole remote control related code is
non-functional anyway at the moment. This should be fixed eventually,
probably by turning the tasklet into a worqueue job.
Convert everything else from semaphore to mutex.
Also rewrite a few of the affected functions to unlock the mutex at a
single exit point, instead of in several branches.
Sun, 24 Aug 2008 23:28:45 +0200 (CEST)
firedtv: some header cleanups
Unify #ifndef/#define/#endif guards against multiple inclusion.
Drop extern keyword from function declarations.
Remove #include's into header files where struct declarations suffice.
Remove unused ohci1394 interface and related unused ieee1394 interfaces.
Add a few missing #include's and remove a few apparently obsolete ones.
Sort them alphabetically.
Sun, 24 Aug 2008 23:27:45 +0200 (CEST)
firedtv: nicer registration message and some initialization fixes
Print the correct name in dvb_register_adapter().
While we are at it, replace two switch cascades by one for loop, remove
a superfluous member of struct firesat and of two unused arguments of
AVCIdentifySubunit(), and fix bogus kfree's in firesat_dvbdev_init().
Tue, 26 Aug 2008 14:24:17 +0200 (CEST)
firesat: rename to firedtv
Suggested by Andreas Monitzer. Besides DVB-S/-S2 receivers, the driver
also supports DVB-C and DVB-T receivers, hence the previous project name
is too narrow now.
Not yet done: Rename source directory, files, types, variables...
Sun, 24 Aug 2008 23:26:23 +0200 (CEST)
firesat: add missing copyright notes
Reported by Andreas Monitzer and Christian Dolzer.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
- Add resending of AVC message to the card if no answer is received
- Replace the homebrewed event_wait function with a standard wait queue
- Clean up of log/error messages
- Increase debug level of avc communication
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
I have finally managed to get the CI support for the card working. The
implementation is a bare minimum to get encrypted channels to work in
kaffeine. It works fine with my T/CI card. Now and then I get an AVC
timeout and have to retune a channel in order to get it to work. Once
the CAM seemed to hang so I needed to remove and insert it again. I.e.
there are a number of glitches.
The latest version contains the following changes:
- Implemented the new hpsb iso interface so that data can be received
from the card
- Reduced some timers for demux setup which caused scanning to timeout
- Added possibility to unload driver
- Added support for getting C/N ratio
- Added two debug parameters to the driver; ca_debug and
avc_comm_debug.
- Added CI support that works for me in kaffeine
- Started working on CI MMI support. It now supports:
o Enter menu
o Receiving MMI objects
- Added support for 64-bit platforms
- Corrected DVB-C modulations problems
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (rebased, whitespace)
...so S2 owners now can at least watch DVB-S channels in linux.
Signed-off-by: Ben Backx <ben@bbackx.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This only makes sure that a DVB-S2 device is really recognized as a S2,
nothing else is added yet. It's using the string containing the model
that is stored in the configuration ROM, the older version was using
some hardware revision dependent part of the ROM.
Signed-off-by: Ben Backx <ben@bbackx.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Original code written by Christian Dolzer <c.dolzer@digital-everywhere.com>
Cleaned up by Greg.
Major cleanup and reorg by Manu Abraham <manu@linuxtv.org>
Additions also by Ben Backx <ben@bbackx.com>
Cc: Christian Dolzer <c.dolzer@digital-everywhere.com>
Cc: Andreas Monitzer <andy@monitzer.com>
Cc: Manu Abraham <manu@linuxtv.org>
Cc: Fabio De Lorenzo <delorenzo.fabio@gmail.com>
Cc: Robert Berger <robert.berger@reliableembeddedsystems.com>
Signed-off-by: Ben Backx <ben@bbackx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added missing dependency to dvb/firesat/Kconfig,
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Tweaked dvb/Makefile.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net: amend the fix for SO_BSDCOMPAT gsopt infoleak
netns: build fix for net_alloc_generic
de_get is called before every proc_get_inode, but corresponding de_put is
called only when dropping last reference to an inode. This might cause
something like
remove_proc_entry: /proc/stats busy, count=14496
to be printed to the syslog.
The fix is to call de_put in case of an already initialized inode in
proc_get_inode.
Signed-off-by: Krzysztof Sachanowicz <analyzer1@gmail.com>
Tested-by: Marcin Pilipczuk <marcin.pilipczuk@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In the KMS case, enter/leavevt won't fix up the interrupt handler for
us, so we need to do it at suspend/resume time. Make sure we don't fail
the resume if the chip is hung either.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dev_priv->hw_status_page can be NULL, if i915_gem_retire_requests()
is called from i915_gem_busy_ioctl().
Signed-off-by Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The fix for CVE-2009-0676 (upstream commit df0bca04) is incomplete. Note
that the same problem of leaking kernel memory will reappear if someone
on some architecture uses struct timeval with some internal padding (for
example tv_sec 64-bit and tv_usec 32-bit) --- then, you are going to
leak the padded bytes to userspace.
Signed-off-by: Eugene Teo <eugeneteo@kernel.sg>
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net_alloc_generic was defined in #ifdef CONFIG_NET_NS, but used
unconditionally. Move net_alloc_generic out of #ifdef.
Signed-off-by: Clemens Noss <cnoss@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
netns: fix double free at netns creation
veth : add the set_mac_address capability
sunlance: Beyond ARRAY_SIZE of ib->btx_ring
sungem: another error printed one too early
ISDN: fix sc/shmem printk format warning
SMSC: timeout reaches -1
smsc9420: handle magic field of ethtool_eeprom
sundance: missing parentheses?
smsc9420: fix another postfixed timeout
wimax/i2400m: driver loads firmware v1.4 instead of v1.3
vlan: Update skb->mac_header in __vlan_put_tag().
cxgb3: Add support for PCI ID 0x35.
tcp: remove obsoleted comment about different passes
TG3: &&/|| confusion
ATM: misplaced parentheses?
net/mv643xx: don't disable the mib timer too early and lock properly
net/mv643xx: use GFP_ATOMIC while atomic
atl1c: Atheros L1C Gigabit Ethernet driver
net: Kill skb_truesize_check(), it only catches false-positives.
net: forcedeth: Fix wake-on-lan regression
Add missing parameter value to list of available values
for acpi=<value>.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Functions ext4_write_begin() and ext4_da_write_begin() call
grab_cache_page_write_begin() without AOP_FLAG_NOFS. Thus it
can happen that page reclaim is triggered in that function
and it recurses back into the filesystem (or some other filesystem).
But this can lead to various problems as a transaction is already
started at that point. Add the necessary flag.
http://bugzilla.kernel.org/show_bug.cgi?id=11688
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/i915: Add missing mutex_lock(&dev->struct_mutex)
drm/i915: fix WC mapping in non-GEM i915 code.
drm/i915: Fix regression in 95ca9d
drm/i915: Retire requests from i915_gem_busy_ioctl.
drm/i915: suspend/resume GEM when KMS is active
drm/i915: Don't let a device flush to prepare buffers clear new write_domains.
drm/i915: Cut two args to set_to_gpu_domain that confused this tricky path.
there might be a nicer way to fix this but this is the simplest for now.
Signed-off-by: Pierre Willenbrock <pierre@pirsoft.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The object is dereferenced before the NULL check. Oops.
Fixes http://bugs.freedesktop.org/show_bug.cgi?id=20235
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This ensures that the user gets the latest information from the hardware
on whether the buffer is busy, potentially reducing the working set of objects
that the user chooses.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
In the KMS case, we need to suspend/resume GEM as well. So on suspend, make
sure we idle GEM and stop any new rendering from coming in, and on resume,
re-init the framebuffer and clear the suspended flag.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The problem was that object_set_to_gpu_domain would set the new write_domains
that are getting set by this batchbuffer, then the accumulated flushes required
for all the objects in preparation for this batchbuffer were posted, and the
brand new write domain would get cleared by the flush being posted. Instead,
hang on to the new (or old if we're not changing it) value and set it after
the flush is queued.
Results from this noticably included conformance test failures from reads
shortly after writes (where the new write domain had been lost and thus not
flushed and waited on), but is a suspected cause of hangs in some apps when
a write domain is lost on a buffer that gets reused for instruction or
commmand state.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
While not strictly required, it helped while thinking about the following
change. This change should be invariant.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
At some point we (okay, I) managed to break the ability for users to use the
setsockopt() syscall to set IPv4 options when NetLabel was not active on the
socket in question. The problem was noticed by someone trying to use the
"-R" (record route) option of ping:
# ping -R 10.0.0.1
ping: record route: No message of desired type
The solution is relatively simple, we catch the unlabeled socket case and
clear the error code, allowing the operation to succeed. Please note that we
still deny users the ability to override IPv4 options on socket's which have
NetLabel labeling active; this is done to ensure the labeling remains intact.
Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
Ingo Molnar