- 01 Apr, 2006 16 commits
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Dmitry Mishin authored
This patch extends current iptables compatibility layer in order to get 32bit iptables to work on 64bit kernel. Current layer is insufficient due to alignment checks both in kernel and user space tools. Patch is for current net-2.6.17 with addition of move of ipt_entry_{match| target} definitions to xt_entry_{match|target}. Signed-off-by:Dmitry Mishin <dim@openvz.org> Acked-off-by:
Kirill Korotaev <dev@openvz.org> Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Martin Josefsson authored
This patch fixes expectation notifier unregistration on module unload to use ip_conntrack_expect_unregister_notifier(). This bug causes a soft lockup at the first expectation created after a rmmod ; insmod of this module. Should go into -stable as well. Signed-off-by:
Martin Josefsson <gandalf@wlug.westbo.se> Signed-off-by:
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Martin Josefsson authored
When ctnetlink was ported from ip_conntrack to nf_conntrack two #ifdef's for connmark support were left unchanged and this code was never compiled. Problem noticed by Daniel De Graaf. Signed-off-by:
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Yasuyuki Kozakai authored
This unifies ipt_multiport and ip6t_multiport to xt_multiport. As a result, this addes support for inversion and port range match to IPv6 packets. Signed-off-by:
Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by:
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Yasuyuki Kozakai authored
This unifies ipt_esp and ip6t_esp to xt_esp. Please note that now a user program needs to specify IPPROTO_ESP as protocol to use esp match with IPv6. This means that ip6tables requires '-p esp' like iptables. Signed-off-by:
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David S. Miller authored
This regression was added by commit: 39d8c1b6 ("Do not lose accepted socket when -ENFILE/-EMFILE.") This is based upon a patch from Andi Kleen. Thanks to Adrian Bridgett for narrowing down a good test case, and to Andi Kleen and Andrew Morton for eyeballing this code. Signed-off-by:
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Herbert Xu authored
This patch removes the *_decap_state structures which were previously used to share state between input/post_input. This is no longer needed. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Herbert Xu authored
This patch removes the decap_state argument from the xfrm input hook. Previously this function allowed the input hook to share state with the post_input hook. The latter has since been removed. The only purpose for it now is to check the encap type. However, it is easier and better to move the encap type check to the generic xfrm_rcv function. This allows us to get rid of the decap state argument altogether. Signed-off-by:
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Andrew Morton authored
WARNING: "__you_cannot_kzalloc_that_much" [drivers/net/arcnet/com90xx.ko] undefined! We're trying to allocate negative amounts of memory.. Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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David S. Miller authored
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David S. Miller authored
Undo commit 100c4673 MMIOs timeout more quickly that PCI config cycles and some of these SRAM accesses can take a very long time, triggering the MMIO limits on some sparc64 PCI controllers and thus resulting in bus timeouts and bus errors. Signed-off-by:
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-serial: [SERIAL] Allow 8250 PCI, PNP, GSC and HP300 support to be disabled
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-mmc: [MMC] Pass -DDEBUG on compiler command line if MMC_DEBUG selected [MMC] Add OMAP MMC host driver
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3424/2: ixp23xx: fix uncompress.h for recent CRLF decompressor change [ARM] 3434/1: pxa i2s amsl define [ARM] 3425/1: xsc3: need to include pgtable-hwdef.h [ARM] Allow un-muxed syscalls to be available for everyone [ARM] 3420/1: Missing clobber in example code [ARM] nommu: fixups for the exception vectors [ARM] nommu: add nommu specific Kconfig and MMUEXT variable in Makefile [ARM] nommu: start-up code [ARM] nommu: MPU support in boot/compressed/head.S
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Avoid "u64 foo : 32;" for gcc3 vs. gcc4 compatibility [IA64] Export cpu cache info by sysfs
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix typo in earlier cifs_unlink change and protect one [CIFS] Incorrect signature sent on SMB Read [CIFS] Fix unlink oops when indirectly called in rename error path [CIFS] Fix two remaining coverity scan tool warnings. [CIFS] Set correct lock type on new posix unlock call [CIFS] Upate cifs change log [CIFS] Fix slow oplock break response when mounts to different [CIFS] Workaround various server bugs found in testing at connectathon [CIFS] Allow fallback for setting file size to Procom SMB server when [CIFS] Make POSIX CIFS Extensions SetFSInfo match exactly what we want [CIFS] Move noisy debug message (triggerred by some older servers) from [CIFS] Use correct pid on new cifs posix byte range lock call [CIFS] Add posix (advisory) byte range locking support to cifs client [CIFS] CIFS readdir perf optimizations part 1 [CIFS] Free small buffers earlier so we exceed the cifs [CIFS] Fix large (ie over 64K for MaxCIFSBufSize) buffer case for wrapping [CIFS] Convert remaining places in fs/cifs from [CIFS] SessionSetup cleanup part 2 [CIFS] fix compile error (typo) and warning in cifssmb.c [CIFS] Cleanup NTLMSSP session setup handling
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- 31 Mar, 2006 24 commits
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Steve French authored
extra path. Since cifs_unlink can also be called from rename path and there was one report of oops am making the extra check for null inode. Signed-off-by:Steve French <sfrench@us.ibm.com>
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Steve French authored
Fixes Samba bug 3621 and kernel.org bug 6147 For servers which require SMB/CIFS packet signing, we were sending the wrong signature (all zeros) on SMB Read request. The new cifs routine to do signatures across an iovec was not complete - and SMB Read, unlike the new SMBWrite2, did not fall back to the older routine (ie use SendReceive vs. the more efficient SendReceive2 ie used the older cifs_sign_smb vs. the disabled cifs_sign_smb2) for calculating signatures. This finishes up cifs_sign_smb2/cifs_calc_signature2 so that the callers of SendReceive2 can get SMB/CIFS packet signatures. Now that cifs_sign_smb2 is supported, we could start using it in the write path but this smaller fix does not include the change to use SMBWrite2 when signatures are required (which when enabled will make more Writes more efficient and alloc less memory). Currently Write2 is only used when signatures are not required at the moment but after more testing we will enable that as well). Thanks to James Slepicka and Sam Flory for initial investigation. Signed-off-by: -
Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Allow skb headroom to be overridden [TCP]: Kill unused extern decl for tcp_v4_hash_connecting() [NET]: add SO_RCVBUF comment [NET]: Deinline some larger functions from netdevice.h [DCCP]: Use NULL for pointers, comfort sparse. [DECNET]: Fix refcount
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Jes Sorensen authored
Commit 70674f95: [PATCH] Optimize select/poll by putting small data sets on the stack resulted in the poll stack being 4-byte aligned on 64-bit architectures, causing misaligned accesses to elements in the array. This patch fixes it by declaring the stack in terms of 'long' instead of 'char'. Force alignment of poll and select stacks to long to avoid unaligned access on 64 bit architectures. Signed-off-by:
Jes Sorensen <jes@sgi.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds authored
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [PATCH] libata: fix ata_xfer_tbl termination [PATCH] libata: make ata_qc_issue complete failed qcs [PATCH] libata: fix ata_qc_issue failure path [PATCH] ata_piix: fix ich6/m_map_db [libata] ahci: add ATI SB600 PCI IDs
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David Howells authored
The attached patch documents the Linux kernel's memory barriers. I've updated it from the comments I've been given. The per-arch notes sections are gone because it's clear that there are so many exceptions, that it's not worth having them. I've added a list of references to other documents. I've tried to get rid of the concept of memory accesses appearing on the bus; what matters is apparent behaviour with respect to other observers in the system. Interrupts barrier effects are now considered to be non-existent. They may be there, but you may not rely on them. I've added a couple of definition sections at the top of the document: one to specify the minimum execution model that may be assumed, the other to specify what this document refers to by the term "memory". I've made greater mention of the use of mmiowb(). I've adjusted the way in which caches are described, and described the fun that can be had with cache coherence maintenance being unordered and data dependency not being necessarily implicit. I've described (smp_)read_barrier_depends(). I've rearranged the order of the sections, so that memory barriers are discussed in abstract first, and then described the memory barrier facilities available on Linux, before going on to more real-world discussions and examples. I've added information about the lack of memory barriering effects with atomic ops and bitops. I've added information about control dependencies. I've added more diagrams to illustrate caching interactions between CPUs. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Kirill Korotaev authored
Wrong error path in dup_fd() - it should return NULL on error, not an address of already freed memory :/ Triggered by OpenVZ stress test suite. What is interesting is that it was causing different oopses in RCU like below: Call Trace: [<c013492c>] rcu_do_batch+0x2c/0x80 [<c0134bdd>] rcu_process_callbacks+0x3d/0x70 [<c0126cf3>] tasklet_action+0x73/0xe0 [<c01269aa>] __do_softirq+0x10a/0x130 [<c01058ff>] do_softirq+0x4f/0x60 ======================= [<c0113817>] smp_apic_timer_interrupt+0x77/0x110 [<c0103b54>] apic_timer_interrupt+0x1c/0x24 Code: Bad EIP value. <0>Kernel panic - not syncing: Fatal exception in interrupt Signed-Off-By:
Pavel Emelianov <xemul@sw.ru> Signed-Off-By:
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Nicolas Pitre authored
Turn some macros into inline functions and add proper type checking as well as being more readable. Also a minor comment adjustment. Signed-off-by:
Nicolas Pitre <nico@cam.org> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Jesper Juhl authored
Decrease the number of pointer derefs in drivers/serial/jsm/jsm_tty.c Benefits of the patch: - Fewer pointer dereferences should make the code slightly faster. - Size of generated code is smaller - Improved readability Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Acked-by:
"V. ANANDA KRISHNAN" <mansarov@us.ibm.com> Signed-off-by:
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Adrian Bunk authored
As announced, lookup_hash() can now become static. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Adrian Bunk authored
The only user of get_wchan is the proc fs - and proc can't be built modular. Signed-off-by:
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NeilBrown authored
Signed-off-by:
Brad Campbell <brad@wasp.net.au> Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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NeilBrown authored
And remove the comments that were put in inplace of a fix too.... Signed-off-by:
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NeilBrown authored
Currently a device failure during recovery leaves bits set in the bitmap. This normally isn't a problem as the offending device will be rejected because of errors. However if device re-adding is being used with non-persistent bitmaps, this can be a problem. Signed-off-by:
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Michael Hanselmann authored
This patch removes the old radeon driver which has been replaced by a newer one. Signed-off-by:
Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Antonino A. Daplas authored
The monochrome->color expansion routine that handles bitmaps which have (widths % 8) != 0 (slow_imageblit) produces corrupt characters in big-endian. This is caused by a bogus bit test in slow_imageblit(). Fix. This patch may deserve to go to the stable tree. The code has already been well tested in little-endian machines. It's only in big-endian where there is uncertainty and Herbert confirmed that this is the correct way to go. It should not introduce regressions. Signed-off-by:
Herbert Poetzl <herbert@13thfloor.at> Cc: <stable@kernel.org> Signed-off-by:
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Richard Purdie authored
Fixes for the pxafb driver: * Return -EINVAL for resolutions that are too large as per framebuffer driver policy. * Increase the error timeout for disabling the LCD controller. The current timeout is sometimes too short on the Sharp Zaurus Cxx00 hardware and an extra delay in an error path shouldn't pose any problems. * Fix a dev reference which causes a compile error when DEBUG is defined. Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Richard Purdie authored
Generalise the Corgi backlight driver by moving the default intensity and limit mask settings into the platform specific data structure. This enables the driver to support other Zaurus hardware, specifically the SL-6000x (Tosa) model. Also change the spinlock to a mutex (the spinlock is overkill). Signed-off-by:
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Richard Purdie authored
Updates to the HP Jornada 680 Backlight driver: - Correct the suspend/resume functions so the driver compiles (SUSPEND_POWER_DOWN/RESUME_POWER_ON no longer exist). - Convert the driver to match the recent platform device changes. - Replace the unsafe static struct platform_device with dynamic allocation. - Convert the driver to the new backlight code. This has not been tested on a device due to lack of hardware but wouldn't compile beforehand. Signed-off-by:
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Richard Purdie authored
Backlight class attributes are currently easy to implement incorrectly. Moving certain handling into the backlight core prevents this whilst at the same time makes the drivers simpler and consistent. The following changes are included: The brightness attribute only sets and reads the brightness variable in the backlight_properties structure. The power attribute only sets and reads the power variable in the backlight_properties structure. Any framebuffer blanking events change a variable fb_blank in the backlight_properties structure. The backlight driver has only two functions to implement. One function is called when any of the above properties change (to update the backlight brightness), the second is called to return the current backlight brightness value. A new attribute "actual_brightness" is added to return this brightness as determined by the driver having combined all the above factors (and any driver/device specific factors). Additionally, the backlight core takes care of checking the maximum brightness is not exceeded and of turning off the backlight before device removal. The corgi backlight driver is updated to reflect these changes. Signed-off-by:
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Alberto Mardegan authored
Add acceleration support in w100fb.c (i.e. ATI Imageons) for the copyarea and fillrect operations. Signed-off-by:
Alberto Mardegan <mardy@users.sourceforge.net> Signed-off-by:
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Antonino A. Daplas authored
The current display was not saved during initialization. This leads to hard to track console corruption, such as a misplaced cursor, which is correctible by switching consoles. Fix this minor bug. Signed-off-by:
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Eric W. Biederman authored
It is very common to hash a dentry and then to call lookup. If we take fs specific hash functions into account the full hash logic can get ugly. Further full_name_hash as an inline function is almost 100 bytes on x86 so having a non-inline choice in some cases can measurably decrease code size. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Eric W. Biederman authored
Simplifies the code, reduces the need for 4 pid hash tables, and makes the code more capable. In the discussions I had with Oleg it was felt that to a large extent the cleanup itself justified the work. With struct pid being dynamically allocated meant we could create the hash table entry when the pid was allocated and free the hash table entry when the pid was freed. Instead of playing with the hash lists when ever a process would attach or detach to a process. For myself the fact that it gave what my previous task_ref patch gave for free with simpler code was a big win. The problem is that if you hold a reference to struct task_struct you lock in 10K of low memory. If you do that in a user controllable way like /proc does, with an unprivileged but hostile user space application with typical resource limits of 1000 fds and 100 processes I can trigger the OOM killer by consuming all of low memory with task structs, on a machine wight 1GB of low memory. If I instead hold a reference to struct pid which holds a pointer to my task_struct, I don't suffer from that problem because struct pid is 2 orders of magnitude smaller. In fact struct pid is small enough that most other kernel data structures dwarf it, so simply limiting the number of referring data structures is enough to prevent exhaustion of low memory. This splits the current struct pid into two structures, struct pid and struct pid_link, and reduces our number of hash tables from PIDTYPE_MAX to just one. struct pid_link is the per process linkage into the hash tables and lives in struct task_struct. struct pid is given an indepedent lifetime, and holds pointers to each of the pid types. The independent life of struct pid simplifies attach_pid, and detach_pid, because we are always manipulating the list of pids and not the hash table. In addition in giving struct pid an indpendent life it makes the concept much more powerful. Kernel data structures can now embed a struct pid * instead of a pid_t and not suffer from pid wrap around problems or from keeping unnecessarily large amounts of memory allocated. Signed-off-by:
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