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2006-12-16[PATCH] libata: don't initialize sg in ata_exec_internal() if DMA_NONE (take #2)Tejun Heo
Calling sg_init_one() with NULL buf causes oops on certain configurations. Don't initialize sg in ata_exec_internal() if DMA_NONE and make the function complain if @buf is NULL when dma_dir isn't DMA_NONE. While at it, fix comment. The problem is discovered and initial patch was submitted by Arnd Bergmann. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-16[libata] sata_svw: Disable ATAPI DMA on current boards (errata workaround)Jeff Garzik
Current Broadcom/Serverworks SATA boards (including Apple K2 SATA) have problems with ATAPI DMA, so it is disabled. ATAPI PIO, ATA PIO, and ATA DMA continue to work just fine. Acked-by: Anantha Subramanyam <ananth@broadcom.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-16[libata] use kmap_atomic(KM_IRQ0) in SCSI simulatorJeff Garzik
We are inside spin_lock_irqsave(). quoth akpm's debug facility: [ 231.948000] SCSI device sda: 195371568 512-byte hdwr sectors (100030 MB) [ 232.232000] ata1.00: configured for UDMA/33 [ 232.404000] WARNING (1) at arch/i386/mm/highmem.c:47 kmap_atomic() [ 232.404000] [<c01162e6>] kmap_atomic+0xa9/0x1ab [ 232.404000] [<c0242c81>] ata_scsi_rbuf_get+0x1c/0x30 [ 232.404000] [<c0242caf>] ata_scsi_rbuf_fill+0x1a/0x87 [ 232.404000] [<c0243ab2>] ata_scsiop_mode_sense+0x0/0x309 [ 232.404000] [<c01729d5>] end_bio_bh_io_sync+0x0/0x37 [ 232.404000] [<c02311c6>] scsi_done+0x0/0x16 [ 232.404000] [<c02311c6>] scsi_done+0x0/0x16 [ 232.404000] [<c0242dcc>] ata_scsi_simulate+0xb0/0x13f [...] Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-16[PATCH] ata_piix: use piix_host_stop() in ich_pata_opsTejun Heo
piix_init_one() allocates host private data which should be freed by piix_host_stop(). ich_pata_ops wasn't converted to piix_host_stop() while merging, leaking 4 bytes on driver detach. Fix it. This was spotted using Kmemleak by Catalin Marinas. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Catalin Marinas <catalin.marinas@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-16[PATCH] ata_piix: IDE mode SATA patch for Intel ICH9Jason Gaston
This updated patch adds the Intel ICH9 IDE mode SATA controller DID's. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Acked-by: Tejun Heo <htejun@gmail.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-15Fix "delayed_work_pending()" macro expansionLinus Torvalds
Nobody uses it, but it was still wrong. Using the macro argument name 'work' meant that when we used 'work' as a member name, that would also get replaced by the macro argument. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-15Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: css_register_subchannel race. [S390] Save prefix register for dump on panic [S390] Fix reboot hang [S390] Fix reboot hang on LPARs [S390] sclp_cpi module license. [S390] zcrypt: module unload fixes. [S390] Hipersocket multicast queue: make sure outbound handler is called [S390] hypfs fixes [S390] update default configuration
2006-12-15Remove stack unwinder for nowLinus Torvalds
It has caused more problems than it ever really solved, and is apparently not getting cleaned up and fixed. We can put it back when it's stable and isn't likely to make warning or bug events worse. In the meantime, enable frame pointers for more readable stack traces. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-15[S390] cio: css_register_subchannel race.Stefan Bader
Asynchronous probe can release memory of a subchannel before css_get_ssd_info is called. To fix this call css_get_ssd_info before registering with driver core. Signed-off-by: Stefan Bader <shbader@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] Save prefix register for dump on panicMichael Holzheu
The dump tools expect that the saved prefix register points to the lowcore of the dump cpu. Since we set the prefix register to 0 during reipl/dump, we have to save the original prefix register. Before we start the dump program, we copy the original prefix register to the designated location in the lowcore. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] Fix reboot hangMichael Holzheu
We use printks after shutting down all other cpus. This is not allowed and can lead to deadlocks. Therefore the printks have to be removed. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] Fix reboot hang on LPARsMichael Holzheu
Reboot hangs on LPARs without diag308 support. The reason for this is, that before the reboot is done, the channel subsystem is shut down. During the reset on each possible subchannel a "store subchannel" is done. This operation can end in a program check interruption, if the specified subchannel set is not implemented by the hardware. During the reset, currently we do not have a program check handler, which leads to the described kernel bug. We install now a new program check handler for the reboot code to fix this problem. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] sclp_cpi module license.Christian Borntraeger
sclp_cpi is GPL. Make the module not taint the kernel Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] zcrypt: module unload fixes.Ralph Wuerthner
Add code to reset all queues for a domain and add missing tasklet_kill call to ap bus module exit code. Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] Hipersocket multicast queue: make sure outbound handler is calledUrsula Braun
A HiperSocket multicast queue works asynchronously. When sending buffers, the buffer state change from PRIMED to EMPTY may happen delayed. Reschedule the checking for changes in the outbound queue, if there are still PRIMED buffers. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] hypfs fixesChristian Borntraeger
Correct typo to make hypfs work on systems that support only diag204 subcode 4 and fix error handling in hypfs_diag_init. Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-15[S390] update default configurationMartin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-13[PATCH] ib_verbs: Use explicit if-else statements to avoid errors with ↵Ben Collins
do-while macros At least on PPC, the "op ? op : dma" construct causes a compile failure because the dma_* is a do{}while(0) macro. This turns all of them into proper if/else to avoid this problem. Signed-off-by: Ben Collins <bcollins@ubuntu.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-13Linux v2.6.20-rc1Linus Torvalds
.. and so the stabilization phase starts. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-13[NETFILTER]: bridge-netfilter: remove deferred hooksPatrick McHardy
Remove the deferred hooks and all related code as scheduled in feature-removal-schedule. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[IPV6]: Make fib6_node subtree depend on IPV6_SUBTREESKim Nordlund
Make fib6_node 'subtree' depend on IPV6_SUBTREES. Signed-off-by: Kim Nordlund <kim.nordlund@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[SCTP]: Add support for SCTP_CONTEXT socket option.Ivan Skytte Jorgensen
Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[SCTP]: Enable auto loading of SCTP when creating an ipv6 SCTP socket.Sridhar Samudrala
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[SCTP]: Handle address add/delete events in a more efficient way.Sridhar Samudrala
Currently in SCTP, we maintain a local address list by rebuilding the whole list from the device list whenever we get a address add/delete event. This patch fixes it by only adding/deleting the address for which we receive the event. Also removed the sctp_local_addr_lock() which is no longer needed as we now use list_for_each_safe() to traverse this list. This fixes the bugs in sctp_copy_laddrs_xxx() routines where we do copy_to_user() while holding this lock. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[TCP]: Fix oops caused by __tcp_put_md5sig_pool()David S. Miller
It should call tcp_free_md5sig_pool() not __tcp_free_md5sig_pool() so that it does proper refcounting. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[IPV6]: Fix IPV6_UNICAST_HOPS getsockopt().Brian Haley
> Relevant standard (RFC 3493) notes: > > The IPV6_UNICAST_HOPS option may be used with getsockopt() to > determine the hop limit value that the system will use for subsequent > unicast packets sent via that socket. > > I don't reckon -1 could be the hop limit value. -1 means un-initialized. > IMHO, the value from > case 1 (if socket is connected to some destination), otherwise case 2 > (if bound to a scope interface) or ultimately the default hop limit > ought to be returned instead, as it will be most often correct, while > the current behavior is always wrong, unless setsockopt() has been used > first. I don't if some people may think doing a route lookup in > getsockopt might be overly expensive, but at least the two other cases > should be ok, particularly the last one. The following patch seems to work for me, but this code has behaved this way for a while, so don't know if it will break any existing apps. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[DCCP] ccid3: return value in ccid3_hc_rx_calc_first_liIan McDonald
In a recent patch we introduced invalid return codes which will result in the opposite of what is intended (i.e. send more packets in face of peculiar network conditions). This fixes it by returning ~0 which means not calculated as per dccp_li_hist_calc_i_mean. Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2006-12-13[NETFILTER]: {ip,ip6,arp}_tables: fix exponential worst-case search for loopsAl Viro
If we come to node we'd already marked as seen and it's not a part of path (i.e. we don't have a loop right there), we already know that it isn't a part of any loop, so we don't need to revisit it. That speeds the things up if some chain is refered to from several places and kills O(exp(table size)) worst-case behaviour (without sleeping, at that, so if you manage to self-LART that way, you are SOL for a long time)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[NETFILTER]: ip_tables: ipt and ipt_compat checks unificationDmitry Mishin
Matches and targets verification is duplicated in normal and compat processing ways. This patch refactors code in order to remove this. Signed-off-by: Dmitry Mishin <dim@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[NETFILTER]: x_tables: add missing try to load conntrack from match/targetsYasuyuki Kozakai
CLUSTERIP, CONNMARK, CONNSECMARK, and connbytes need ip_conntrack or layer 3 protocol module of nf_conntrack. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[NETFILTER]: x_tables: error if ip_conntrack is asked to handle IPv6 packetsYasuyuki Kozakai
To do that, this makes nf_ct_l3proto_try_module_{get,put} compatible functions. As a result we can remove '#ifdef' surrounds and direct call of need_conntrack(). Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[NETFILTER]: nf_nat: fix NF_NAT dependencyYasuyuki Kozakai
NF_NAT depends on NF_CONNTRACK_IPV4, not NF_CONNTRACK. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13[NETFILTER]: Fix INET=n linking errorPatrick McHardy
Building with INET=n results in WARNING: "ip_route_output_key" [net/netfilter/nf_conntrack_h323.ko] undefined! The entire code in net/netfilter is only used for IPv4/IPv6 currently, so let it depend on INET. Noticed by Toralf Förster <toralf.foerster@gmx.de>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-13Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4017/1: [Jornada7xx] - Updating Jornada720.c [ARM] 3992/1: i.MX/MX1 CPU Frequency scaling support [ARM] Provide a method to alter the control register [ARM] 4016/1: prefetch macro is wrong wrt gcc's "delete-null-pointer-checks" [ARM] Remove empty fixup function [ARM] 4014/1: include drivers/hid/Kconfig [ARM] 4013/1: clocksource driver for netx [ARM] 4012/1: Clocksource for pxa [ARM] Clean up ioremap code [ARM] Unuse another Linux PTE bit [ARM] Clean up KERNEL_RAM_ADDR [ARM] Add sys_*at syscalls [ARM] 4004/1: S3C24XX: UDC remove implict addition of VA to regs [ARM] Formalise the ARMv6 processor name string [ARM] Handle HWCAP_VFP in VFP support code [ARM] 4011/1: AT91SAM9260: Fix compilation with NAND driver [ARM] 4010/1: AT91SAM9260-EK board: Prepare for MACB Ethernet support
2006-12-13Merge branch 'release' of ↵Linus Torvalds
master.kernel.org:/home/ftp/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of master.kernel.org:/home/ftp/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Move sg_dma_{len,address} from pci.h to scatterlist.h
2006-12-13Driver core: deprecate PM_LEGACY, default it to NDavid Brownell
Deprecate the old "legacy" PM API, and more importantly default it to "n". Virtually nothing in-tree uses it any more. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13Driver core: Make platform_device_add_data accept a const pointerScott Wood
platform_device_add_data() makes a copy of the data that is given to it, and thus the parameter can be const. This removes a warning when data from get_property() on powerpc is handed to platform_device_add_data(), as get_property() returns a const pointer. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13Driver core: "platform_driver_probe() can save codespace": save codespaceAndrew Morton
This function can be __init Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13DebugFS : file/directory removal fixMathieu Desnoyers
Fix file and directory removal in debugfs. Add inotify support for file removal. The following scenario : create dir a create dir a/b cd a/b (some process goes in cwd a/b) rmdir a/b rmdir a fails due to the fact that "a" appears to be non empty. It is because the "b" dentry is not deleted from "a" and still in use. The same problem happens if "b" is a file. d_delete is nice enough to know when it needs to unhash and free the dentry if nothing else is using it or, if someone is using it, to remove it from the hash queues and wait for it to be deleted when it has no users. The nice side-effect of this fix is that it calls the file removal notification. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13DebugFS : more file/directory creation error handlingMathieu Desnoyers
Correct dentry count to handle creation errors. This patch puts a dput at the file creation instead of the file removal : lookup_one_len already returns a dentry with reference count of 1. Then, the dget() in simple_mknod increments it when the dentry is associated with a file. In a scenario where simple_create or simple_mkdir returns an error, this would lead to an unwanted increment of the reference counter, therefore making file removal impossible. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13DebugFS : file/directory creation error handlingMathieu Desnoyers
Fix error handling of file and directory creation in DebugFS. The error path should release the file system because no _remove will be called for this erroneous creation. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13DebugFS : coding style fixesMathieu Desnoyers
Minor coding style fixes along the way : 80 cols and a white space. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13DebugFS : inotify create/mkdir supportMathieu Desnoyers
Add inotify create and mkdir events to DebugFS. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13driver core: delete virtual directory on class_unregister()Akinobu Mita
Class virtual directory is created as the need arises. But it is not deleted when the class is unregistered. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13Driver core: show "initstate" of moduleKay Sievers
Show the initialization state(live, coming, going) of the module: $ cat /sys/module/usbcore/initstate live Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-13[ARM] Merge AT91 and devel branchesRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-13[ARM] 4017/1: [Jornada7xx] - Updating Jornada720.cKristoffer Ericson
* HP Jornada 720 uses epson 1356 chip for graphics. This chip is compatible with s1d13xxxfb driver. * HP Jornada 720 uses a Microprocessor Control Unit to talk to various hardware. We add it as a platform device in jornada720_init() * We provide pm_suspend() to avoid unresolved symbols in apm.o. We are unable to truly suspend now, hence the stub. * Speaker/microphone enabling got removed because it will be placed in the alsa driver. Signed-off-by: Filip Zyzniewski <(address hidden)> Signed-off-by: Kristoffer Ericson <(address hidden)> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-13[IA64] Move sg_dma_{len,address} from pci.h to scatterlist.hTony Luck
IA64 is in a tiny minority providing these defines in pci.h. Almost everyone else has them in scatterlist.h Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-12-13[ARM] 3992/1: i.MX/MX1 CPU Frequency scaling supportPavel Pisa
Support to change MX1 CPU frequency at runtime. Tested on PiKRON's PiMX1 board and seems to be fully stable up to 200 MHz end even as low as 8 MHz. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-13[ARM] Provide a method to alter the control registerRussell King
i.MX needs to tweak the control register to support CPU frequency scaling. Rather than have folk blindly try and change the control register by writing to it and then wondering why it doesn't work, provide a method (which is safe for UP only, and therefore only available for UP) to achieve this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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