- 17 May, 2005 40 commits
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Johannes Stezenbach authored
fixed interrupt-sharing and added a spinlock to the irq-callback (thanks to Pascal Riekenberg) Signed-off-by:
Patrick Boettcher <pb@linuxtv.org> Signed-off-by:
Johannes Stezenbach <js@linuxtv.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Johannes Stezenbach authored
read MAC address directly into dvb_adapter->proposed_mac Signed-off-by:
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Johannes Stezenbach authored
add acknowledgements Signed-off-by:
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Johannes Stezenbach authored
- driver receives many null TS packets (pid=0x1fff). They occupy the limited USB bandwidth and this leads to loss of video packets. Enabling the null packet filter fixes this. - packets that flexcop sends to USB have a 2 byte header that has to be removed. - sometimes a TS packet is split between different urbs. These parts have to be combined in a temporary buffer. Signed-off-by:
Vadim Catana <skystar@moldova.cc> Signed-off-by:
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Johannes Stezenbach authored
b2c2/flexcop driver refactoring to support PCI and USB based cards part 2: add modular Flexcop driver Signed-off-by:
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Johannes Stezenbach authored
b2c2/flexcop driver refactoring to support PCI and USB based cards, part 1: drop abandoned attempt to support USB devices Signed-off-by:
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Jody McIntyre authored
Set the initial sendtime to be 10 seconds in the future, to avoid the packet timing out while it's still queued to be sent. This fixes furthur "no tlabel match" problems caused by premature expiry. Signed-off-by:
Jody McIntyre <scjody@steamballoon.com> Signed-off-by:
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Jody McIntyre authored
Fix cross_bound to not return 1 for zero-length regions. Fixes regression when sending null ISO packets. Signed-off-by:
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Jody McIntyre authored
Apply and fixup patch from Markus Tavenrath <speedygoo@speedygoo.de> for video1394 to allow only a single buffer on receive and two buffers on transmit. Tested with libdc1394 and dvconnect (libdv). Signed-off-by:
Dan Dennedy <dan@dennedy.org> Signed-off-by:
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Jody McIntyre authored
Use the DMA_32BIT_MASK constant from dma-mapping.h when calling pci_set_dma_mask() or pci_set_consistent_dma_mask() These patches include dma-mapping.h explicitly because it caused errors on some architectures otherwise. See http://marc.theaimsgroup.com/?t=108001993000001&r=1&w=2 for details Signed-off-by:
Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by:
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Jody McIntyre authored
This patch removes redundant NULL pointer checks before kfree() in all of drivers/ieee1394/ Signed-off-by:
Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by:
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Jody McIntyre authored
This patch contains the following possible cleanups: - #if 0 the following unused global functions: - hpsb_lock - hpsb_send_gasp - ieee1394_transactions.h: remove the stale hpsb_lock64 prototype Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Jody McIntyre authored
The options CONFIG_IEEE1394_PCILYNX_LOCALRAM and CONFIG_IEEE1394_PCILYNX_PORTS are not available for some time. Signed-off-by:
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Jody McIntyre authored
drivers/ieee1394 feature removal notices: amdtp, cmp, legacy rawiso interface Signed-off-by:
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William Lee Irwin III authored
profile=schedule parsing is not quite what it should be. First, str[7] is 'e', not ',', but then even if it did fall through, prof_on = SCHED_PROFILING would be clobbered inside if (get_option(...)) So a small amount of rearrangement is done in this patch to correct it. Signed-off-by:
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Christoph Hellwig authored
These days <linux/ioctl32.h> handles everything, no need for an asm header on just two architectures. Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Randy Dunlap authored
register_chrdev() can return errors (negative) other then -EBUSY, so check for any negative error code. Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Nishanth Aravamudan authored
Use helper functions to convert between timeval structure and jiffies rather than custom logic. Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
Domen Puncer <domen@coderock.org> Acked-by:
Richard Henderson <rth@twiddle.net> Signed-off-by:
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Yoichi Yuasa authored
This patch had added resource management to vr41xx's pmu. Signed-off-by:
Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Stephen Smalley authored
This patch should fix the avc_alloc_node() oom condition that Andrew reported when no policy is loaded in SELinux. Prior to this patch, when no policy was loaded, the SELinux "security server" (policy engine) was only returning allowed decisions for the requested permissions for each access check. This caused the cache to thrash when trying to use SELinux for real work with no policy loaded (typically, the no policy loaded state is only for bootstrapping to the point where we can load an initial policy). This patch changes the SELinux security server to return the complete allowed access vector at once, and then to reset the cache after the initial policy load to flush the initial cache state created during bootstrapping. Signed-off-by:
Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by:
James Morris <jmorris@redhat.com> Signed-off-by:
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Kirill Korotaev authored
There is a bug in do_swap_page(): when swap page happens to be unreadable, page filled with random data is mapped into user address space. The fix is to check for PageUptodate and send SIGBUS in case of error. Signed-Off-By:
Kirill Korotaev <dev@sw.ru> Signed-Off-By:
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Acked-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Andrew Morton authored
If block_read_full_page() detects an error when running get_block() it will run SetPageError(), then it will zero out the block in pagecache and will mark the buffer_head uptodate. So at the end of readahead we end up with a non-uptodate pagecache page which is marked PageError. But it has uptodate buffers. The pagefault code will run ClearPageError, will launch readpage a second time and block_read_full_page() will notice the uptodate buffers and will mark the page uptodate as well. We end up with an uptodate, !PageError page full of zeros and the error is lost. (It seems a little odd that filemap_nopage() runs ClearPageError(). I guess all of this adds up to meaning that for each attempted access to the page, the pagefault handler will retry the I/O. Which is good and bad. If the app is ignoring SIGBUS for some reason we could get a lot of back-to-back I/O errors.) Fix it by not marking the pagecache buffer_head as uptodate if the attempt to map that buffer to a disk block failed. Credit-to: Qu Fuping <fs@ercist.iscas.ac.cn> For reporting the bug and identifying its source. Signed-off-by:
Qu Fuping <fs@ercist.iscas.ac.cn> Signed-off-by:
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Matt Mackall authored
Move add_preferred_console out of CONFIG_PRINTK so serial console does the right thing. Signed-off-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Rik van Riel authored
The arch Makefile may override the include path order, which is used by Xen (and UML?) to make sure include/asm-xen is searched before include/asm-i386. The Makefile change to 2.6.12-rc4 made the top Makefile always override the value specified by the arch Makefile. This trivial patch makes the Xen kernel compile again. Signed-off-by:
Rik van Riel <riel@redhat.com> Signed-off-by:
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Dominik Hackl authored
Solve a dependency-problem related to the SAA7130/7134 TV-card driver. The driver won't compile with CRC32 disabled, so I added it to the select list. Signed-off-by:
Dominik Hackl <dominik@hackl.dhs.org> Signed-off-by:
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Petr Vandrovec authored
serial_cs's vendor/device identification got broken by Yum Rayan's change '[PATCH] serial_cs: Reduce stack usage in serial_event()' - it changed buf type from u_short* to char*, breaking device manufacturer & card number retrieval. Due to this my modem stopped from being recognized as special case. Code will work much better if we'll rely on first_tuple's parser instead of doing parse ourselves. Code also looks simpler after change. Signed-off-by:
Petr Vandrovec <vandrove@vc.cvut.cz> Signed-off-by:
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Zhang, Yanmin authored
On my IA64 machine, after kernel 2.6.12-rc3 boots, an edge-triggered interrupt (IRQ 46) keeps triggered over and over again. There is no IRQ 46 interrupt action handler. It has lots of impact on performance. Kernel 2.6.10 and its prior versions have no the problem. Basically, kernel 2.6.10 will mask the spurious edge interrupt if the interrupt is triggered for the second time and its status includes IRQ_DISABLE|IRQ_PENDING. Originally, IA64 kernel has its own specific _irq_desc definitions in file arch/ia64/kernel/irq.c. The definition initiates _irq_desc[irq].status to IRQ_DISABLE. Since kernel 2.6.11, it was moved to architecture independent codes, i.e. kernel/irq/handle.c, but kernel/irq/handle.c initiates _irq_desc[irq].status to 0 instead of IRQ_DISABLE. Signed-off-by:
Zhang Yanmin <yanmin.zhang@intel.com> Signed-off-by:
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Peter Osterlund authored
I found a bug in the packet writing driver that could cause data corruption. The problem arised if the driver got a write request for a sector in a "zone" it was already working on. In that case it was supposed to queue the write request until it was done processing earlier requests for the same zone, and instead work on some other zone in the mean time. However, if there was no other zone to work on, the driver would initiate two packet_data objects for the same zone, causing unpredictable things to happen. Signed-off-by:
Peter Osterlund <petero2@telia.com> Signed-off-by:
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Patrick McHardy authored
null_encrypt() needs to copy the data in case src and dst are disjunct, null_compress() needs to copy the data in any case as far as I can tell. I joined compress/decompress and encrypt/decrypt to avoid duplicating code. Without this patch ESP null_enc packets look like this: IP (tos 0x0, ttl 64, id 23130, offset 0, flags [DF], length: 128) 10.0.0.1 > 10.0.0.2: ESP(spi=0x0f9ca149,seq=0x4) 0x0000: 4500 0080 5a5a 4000 4032 cbef 0a00 0001 E...ZZ@.@2...... 0x0010: 0a00 0002 0f9c a149 0000 0004 0000 0000 .......I........ 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0x0030: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0x0040: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0x0050: 0000 .. IP (tos 0x0, ttl 64, id 256, offset 0, flags [DF], length: 128) 10.0.0.2 > 10.0.0.1: ESP(spi=0x0e4f7b51,seq=0x2) 0x0000: 4500 0080 0100 4000 4032 254a 0a00 0002 E.....@.@2%J.... 0x0010: 0a00 0001 0e4f 7b51 0000 0002 a8a8 a8a8 .....O{Q........ 0x0020: a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 ................ 0x0030: a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 ................ 0x0040: a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 a8a8 ................ 0x0050: a8a8 .. Signed-off-by:Patrick McHardy <kaber@trash.net> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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McMullan, Jason authored
Fix OOPS when swapping on a device that doesn't have an unplug_io_fn defined (eg, ATA Over Ethernet) Signed-off-by:
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Horst Hummel authored
dasd driver changes: - The feature check in dasd_generic_online returns an error if the devmap entry for the device is not yet available. Check for the feature after the device has been created. - Do symmetric registration/deregistration of cdev->handler. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Adrian Bunk authored
This patch fixes two possible off by one errors found by the Coverity checker (look at the period[i] and delay[j] in the two first unchanged lines). Signed-off-by:
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Adrian Bunk authored
Linus changed the second argument of __vmalloc from int to unsigned int breaking the compilation for CONFIG_MMU=n configurations (since he only changed vmalloc.c but not nommu.c). Signed-off-by:
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Andi Kleen authored
Update defconfig Signed-off-by:
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Andi Kleen authored
This patch removes the assumption that LAPIC entries contain the BSP as its first entry. This is a slight improvement to the temporary fix submitted by Suresh Siddha. - Removes assumption that LAPIC entries contain BSP first. - Builds x86_acpiid_to_apicid[] and bios_cpu_apicid[] properly with BSP as first entry. - Made maxcpus=1 boot on these systems. Since the parsing earlier in arch/x86_64/kernel/mpparse.c stopped after maxcpus entries, other entries were not processed, this causes kernel not to boot on these systems. TBD: x86_acpiid_to_apicid and bios_cpu_apicid[] seem to be exactly the same. This could be removed, but might need more work to cleanup. Signed-off-by:Ashok Raj <ashok.raj@intel.com> Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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Andi Kleen authored
Collected NMI watchdog fixes. - Fix call of check_nmi_watchdog - Remove earlier move of check_nmi_watchdog to later. It does not fix the race it was supposed to fix fully. - Remove unused P6 definitions - Add support for performance counter based watchdog on P4 systems. This allows to run it only once per second, which saves some CPU time. Previously it would run at 1000Hz, which was too much. Code ported from i386 Make this the default on Intel systems. - Use check_nmi_watchdog with local APIC based nmi - Fix race in touch_nmi_watchdog - Fix bug that caused incorrect performance counters to be programmed in a few cases on K8. - Remove useless check for local APIC - Use local_t and per_cpu variables for per CPU data. - Keep other CPUs busy during check_nmi_watchdog to make sure they really tick when in lapic mode. - Only check CPUs that are actually online. - Various other fixes. - Fix fallback path when MSRs are unimplemented Signed-off-by:
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Andi Kleen authored
Originally from Matt Tolentino Signed-off-by:
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Suresh Siddha authored
Use bitmap_zero instead of bitmap_empty to initialise cpu mask This makes it actually run reliable instead of relying on stack state. Signed-off-by:
Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by:
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Andi Kleen authored
The PTEs can point to ioremap mappings too, and these are often outside mem_map. The NUMA hash page lookup functions cannot handle out of bounds accesses properly. Signed-off-by:
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Andi Kleen authored
Allowed user programs to set a non canonical segment base, which would cause oopses in the kernel later. Credit-to: Alexander Nyberg <alexn@dsv.su.se> For identifying and reporting this bug. Signed-off-by:
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