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The use of the big kernel lock in misdn is completely
bogus, so let's just remove it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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The current code probably returns -EINVAL a lot. Otherwise it would oops.
Compile tested only. Found by smatch (http://repo.or.cz/w/smatch.git).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Remove smp_lock.h from files which don't need it (including some headers!)
* Add smp_lock.h to files which do need it
* Make smp_lock.h include conditional in hardirq.h
It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT
This will make hardirq.h inclusion cheaper for every PREEMPT=n config
(which includes allmodconfig/allyesconfig, BTW)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Correct busy device detection.
This fix belongs to last commit.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
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Added GETPEER operation.
Socket now checks if device is already busy at a differen mode.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
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New prim PH_DATA_E_IND.
- all E-ch frames are indicated by recv_Echannel(), which pushes E-Channel
frames into dch's rqueue
- if dchannel is opened with channel nr 0, no E-Channel logging
is requested
- if dchannel is opened with channel nr 1, E-Channel logging
is requested. if layer1 does not support that, -EINVAL
in return is appropriate
Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
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struct device already has a 'name' member, use it.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
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The warnings fixed by including an header file for the appropriate
prototype are marked with "*", for all others the corresonponding
symbol has been made static. This patch fixes all such issues in
mISDN.
Fix this sparse warnings:
drivers/isdn/hardware/mISDN/hfcmulti.c:174:5: warning: symbol 'plxsd_master' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:426:1: warning: symbol 'write_fifo_regio' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:447:1: warning: symbol 'write_fifo_pcimem' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:469:1: warning: symbol 'read_fifo_regio' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:491:1: warning: symbol 'read_fifo_pcimem' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:710:1: warning: symbol 'vpm_init' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:793:1: warning: symbol 'vpm_check' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:816:1: warning: symbol 'vpm_echocan_on' was not declared. Should it be static?
drivers/isdn/hardware/mISDN/hfcmulti.c:848:1: warning: symbol 'vpm_echocan_off' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:224:1: warning: symbol 'l1oip_law_to_4bit' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:261:1: warning: symbol 'l1oip_4bit_to_law' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:281:1: warning: symbol 'l1oip_alaw_to_ulaw' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:294:1: warning: symbol 'l1oip_ulaw_to_alaw' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:311:1: warning: symbol 'l1oip_4bit_free' was not declared. Should it be static?
* drivers/isdn/mISDN/l1oip_codec.c:322:1: warning: symbol 'l1oip_4bit_alloc' was not declared. Should it be static?
drivers/isdn/mISDN/core.c:29:1: warning: symbol 'device_lock' was not declared. Should it be static?
drivers/isdn/mISDN/core.c:34:1: warning: symbol 'bp_lock' was not declared. Should it be static?
drivers/isdn/mISDN/core.c:196:1: warning: symbol 'mISDNInit' was not declared. Should it be static?
drivers/isdn/mISDN/core.c:227:6: warning: symbol 'mISDN_cleanup' was not declared. Should it be static?
drivers/isdn/mISDN/stack.c:40:1: warning: symbol 'mISDN_queue_message' was not declared. Should it be static?
* drivers/isdn/mISDN/layer1.c:388:1: warning: symbol 'l1_init' was not declared. Should it be static?
* drivers/isdn/mISDN/layer1.c:400:1: warning: symbol 'l1_cleanup' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:469:1: warning: symbol 'iframe_error' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:487:1: warning: symbol 'super_error' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:496:1: warning: symbol 'unnum_error' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:509:1: warning: symbol 'UI_error' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:522:1: warning: symbol 'FRMR_error' was not declared. Should it be static?
drivers/isdn/mISDN/layer2.c:1069:1: warning: symbol 'enquiry_cr' was not declared. Should it be static?
* drivers/isdn/mISDN/layer2.c:2196:1: warning: symbol 'Isdnl2_Init' was not declared. Should it be static?
* drivers/isdn/mISDN/layer2.c:2210:1: warning: symbol 'Isdnl2_cleanup' was not declared. Should it be static?
drivers/isdn/mISDN/tei.c:397:1: warning: symbol 'random_ri' was not declared. Should it be static?
* drivers/isdn/mISDN/timerdev.c:277:1: warning: symbol 'mISDN_inittimer' was not declared. Should it be static?
* drivers/isdn/mISDN/timerdev.c:288:6: warning: symbol 'mISDN_timer_cleanup' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_core.c:164:12: warning: symbol 'mISDN_dsp_revision' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_cmx.c:1543:5: warning: symbol 'samplecount' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_cmx.c:1546:5: warning: symbol 'dsp_start_jiffies' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_cmx.c:1547:16: warning: symbol 'dsp_start_tv' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_tones.c:239:3: warning: symbol 'pattern' was not declared. Should it be static?
drivers/isdn/mISDN/dsp_audio.c:33:4: warning: symbol 'dsp_audio_ulaw_to_alaw' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add mISDN core files
Signed-off-by: Karsten Keil <kkeil@suse.de>
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