- 27 Jan, 2007 8 commits
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Conke Hu authored
AMD/ATI SB600 IDE/PATA controller only has one channel. Signed-off-by:
Conke Hu <conke.hu@amd.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg KH <greg@kroah.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Conke Hu authored
A previous patch to atiixp.c was removed but some code has not been cleaned. Now we remove these code sine they are no use any longer. Signed-off-by:
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Andrew Morton authored
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Bartlomiej Zolnierkiewicz authored
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPV4]: Fix single-entry /proc/net/fib_trie output. [SELINUX]: Fix 2.6.20-rc6 build when no xfrm
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Robert Olsson authored
When main table is just a single leaf this gets printed as belonging to the local table in /proc/net/fib_trie. A fix is below. Signed-off-by:
Robert Olsson <robert.olsson@its.uu.se> Acked-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Venkat Yekkirala authored
This patch is an incremental fix to the flow_cache_genid patch for selinux that breaks the build of 2.6.20-rc6 when xfrm is not configured. Signed-off-by:
Venkat Yekkirala <vyekkirala@TrustedCS.com> Signed-off-by:
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David S. Miller authored
Mirror the logic in the sun4u handler, we have to update both registers even when we branch out to window fault fixup handling. The way it works is that if we are in etrap processing a fault already, g4/g5 holds the original fault information. If we take a window spill fault while doing etrap, then we put the window spill fault info into g4/g5 and this is what the top-level fault handler ends up processing first. Then we retry the originally faulting instruction, and process the original fault at that time. This is all necessary because of how constrained the trap registers are in these code paths. These cases trigger very rarely, so even if there is some performance implication it's doesn't happen very often. In fact the rarity is why it took so long to trigger and find this particular bug. Signed-off-by:
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- 26 Jan, 2007 32 commits
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H. Peter Anvin authored
Add an official boot loader ID for Gujin. Signed-off-by:
H. Peter Anvin <hpa@zytor.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mark Fasheh authored
Fix a bug which was introduced when I synced up ocfs2_fs.h with ocfs2-tools. We can't do u64/u32 in kernel. Signed-off-by:
Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by:
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git://www.atmel.no/~hskinnemoen/linux/kernel/avr32Linus Torvalds authored
* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32: [AVR32] Update ATSTK1000 defconfig: Enable macb by default [AVR32] Export clear_page symbol
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections [NETFILTER]: nf_nat_pptp: fix expectation removal [NETFILTER]: nf_nat: fix ICMP translation with statically linked conntrack [TCP]: Restore SKB socket owner setting in tcp_transmit_skb(). [AF_PACKET]: Check device down state before hard header callbacks. [DECNET]: Handle a failure in neigh_parms_alloc (take 2) [BNX2]: Fix 2nd port's MAC address. [TCP]: Fix sorting of SACK blocks. [AF_PACKET]: Fix BPF handling. [IPV4]: Fix the fib trie iterator to work with a single entry routing tables
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Linus Torvalds authored
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: Fix Maple PATA IRQ assignment. ahci: use 0x80 as wait stat value instead of 0xff sata_via: style clean up, no indirect method call in LLD ahci: fix endianness in spurious interrupt message libata-sff: Don't call bmdma_stop on non DMA capable controllers libata: implement ATA_FLAG_IGN_SIMPLEX and use it in sata_uli ahci: improve and limit spurious interrupt messages, take#3 sata_via: don't diddle with ATA_NIEN in ->freeze libata: set_mode, Fix the FIXME libata hpt3xn: Hopefully sort out the DPLL logic versus the vendor code libata cmd64x: whack into a shape that looks like the documentation
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David Woodhouse authored
On the Maple board, the AMD8111 IDE is in legacy mode... except that it appears on IRQ 20 instead of IRQ 15. For drivers/ide this was handled by the architecture's "pci_get_legacy_ide_irq()" function, but in libata we just hard-code the numbers 14 and 15. This patch provides asm-powerpc/libata-portmap.h which maps the IRQ as appropriate, having added a pci_dev argument to the ATA_{PRIM,SECOND}ARY_IRQ macros. There's probably a better way to do this -- especially if we observe that the _only_ case in which this seemingly-generic "pci_get_legacy_ide_irq()" function returns anything other than 14 and 15 for primary and secondary respectively is the case of the AMD8111 on the Maple board -- couldn't we handle that with a special case in the pata_amd driver, or perhaps with a PCI quirk for Maple to switch it into native mode during early boot and assign resources properly? Signed-off-by:David Woodhouse <dwmw2@infradead.org> Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Tejun Heo authored
Before hardreset, ahci initialized stat part of received FIS area to 0xff to wait for the first D2H Reg FIS which would change the value to device ready state. This used to work but now libata considers status value of 0xff as device not present making this wait prone to failure. This patch makes ahci use 0x80 for the wait stat value instead of 0xff to fix the above problem. Signed-off-by:
Tejun Heo <htejun@gmail.com> drivers/ata/ahci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Signed-off-by:
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Tejun Heo authored
Call ata_bmdma_irq_clear() directly instead of through ap->ops->irq_clear() according to libata style guideline. Signed-off-by:
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Tejun Heo authored
Fix endianness in spurious interrupt message. Signed-off-by:
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Matt Domsch authored
Fix race when deleting an EFI variable and issuing another EFI command on the same variable. The removal of the variable from the efivars_list should be done in efivar_delete and not delayed until the kobject release. Furthermore, remove the item from the list at module unload time, and use list_for_each_entry_safe() rather than list_for_each_safe() for readability. Tested on ia64. Signed-off-by:
Prarit Bhargava <prarit@redhat.com> Signed-off-by:
Matt Domsch <Matt_Domsch@dell.com> Signed-off-by:
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Francois Romieu authored
Signed-off-by:
Francois Romieu <romieu@fr.zoreil.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Alexey Dobriyan authored
Proposed patch to fix #5 in http://www.isec.pl/vulnerabilities/isec-0017-binfmt_elf.txt aka http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1073 To reproduce, do * grab poc at the end of advisory. * add line "eph.p_memsz = 4096;" after "eph.p_filesz = 4096;" where first "4096" is something equal to or greater than 4096. * ./poc /usr/bin/sudo && ls -l Here I get with 2.6.20-rc5: -rw------- 1 ad ad 102400 2007-01-15 19:17 core ---s--x--x 2 root root 101820 2007-01-15 19:15 /usr/bin/sudo Check for MAY_READ like binfmt_misc.c does. Signed-off-by:
Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by:
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NeilBrown authored
raid5_mergeable_bvec tries to ensure that raid5 never sees a read request that does not fit within just one chunk. However as we must always accept a single-page read, that is not always possible. So when "in_chunk_boundary" fails, it might be unusual, but it is not a problem and printing a message every time is a bad idea. Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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Jeff Dike authored
This fixes UML on hosts with non-standard VM splits. We had changed the config variable that controls UML behavior on such hosts, but not propogated the change everywhere. In particular, the values of STUB_CODE and STUB_DATA relied on the old variable. I also reformatted the HOST_VMSPLIT_3G help to make it more standard. Spotted by uml@flonatel.org. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Blaisorblade <blaisorblade@yahoo.it> Cc: Pravin <shindepravin@gmail.com> Cc: <uml@flonatel.org> Cc: <stable@kernel.org> Signed-off-by:
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Trond Myklebust authored
NFS can handle the case where invalidate_inode_pages2_range() fails, so the premise behind commit 8258d4a5 is now gone. Remove the WARN_ON_ONCE() which is causing users grief as we can see from http://bugzilla.kernel.org/show_bug.cgi?id=7826Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by:
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NeilBrown authored
If a GFP_KERNEL allocation is attempted in md while the mddev_lock is held, it is possible for a deadlock to eventuate. This happens if the array was marked 'clean', and the memalloc triggers a write-out to the md device. For the writeout to succeed, the array must be marked 'dirty', and that requires getting the mddev_lock. So, before attempting a GFP_KERNEL allocation while holding the lock, make sure the array is marked 'dirty' (unless it is currently read-only). Signed-off-by:
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NeilBrown authored
nfsd defines a type 'encode_dent_fn' which is much like 'filldir_t' except that the first pointer is 'struct readdir_cd *' rather than 'void *'. It then casts encode_dent_fn points to 'filldir_t' as needed. This hides any other type mismatches between the two such as the fact that the 'ino' arg recently changed from ino_t to u64. So: get rid of 'encode_dent_fn', get rid of the cast of the function type, change the first arg of various functions from 'struct readdir_cd *' to 'void *', and live with the fact that we have a little less type checking on the calling of these functions now. Less internal (to nfsd) checking offset by more external checking, which is more important. Thanks to Gabriel Paubert <paubert@iram.es> for discovering this and providing an initial patch. Signed-off-by:
Gabriel Paubert <paubert@iram.es> Signed-off-by:
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Robert P. J. Day authored
Fix a number of kernel-doc entries for header files in include/linux by making sure they begin with the appropriate '/**' notation and use @var notation. Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Mike Frysinger authored
rtc_sysfs_add_device is needed even after dev initialization, so drop __devinit. Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Acked-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@kernel.org> Signed-off-by:
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Jun'ichi Nomura authored
Allow noflush suspend/resume of device-mapper device only for the case where the device size is unchanged. Otherwise, dm-multipath devices can stall when resumed if noflush was used when suspending them, all paths have failed and queue_if_no_path is set. Explanation: 1. Something is doing fsync() on the block dev, holding inode->i_sem 2. The fsync write is blocked by all-paths-down and queue_if_no_path 3. Someone requests to suspend the dm device with noflush. Pending writes are left in queue. 4. In the middle of dm_resume(), __bind() tries to get inode->i_sem to do __set_size() and waits forever. 'noflush suspend' is a new device-mapper feature introduced in early 2.6.20. So I hope the fix being included before 2.6.20 is released. Example of reproducer: 1. Create a multipath device by dmsetup 2. Fail all paths during mkfs 3. Do dmsetup suspend --noflush and load new map with healthy paths 4. Do dmsetup resume Signed-off-by:Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by:
Alasdair G Kergon <agk@redhat.com> Signed-off-by:
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Eric Van Hensbergen authored
We weren't properly NULL terminating protocol error strings for our debug printk resulting in garbage being included in the output when debug was enabled. Signed-off-by:
Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by:
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Eric Van Hensbergen authored
Running dbench multithreaded exposed a race condition where fid structures were removed while in use. This patch adds semaphores to meta-data operations to protect the fid structure. Some cleanup of error-case handling in the inode operations is also included. Signed-off-by:
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Eric Van Hensbergen authored
Update the documentation to cover using Inferno as a server for 9p and to include information about spfs (a stable single-threaded stand-alone 9p server). Signed-off-by:
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Eric Van Hensbergen authored
9p doesn't handle renames between directories -- however, we were returning EPERM instead of EXDEV when we detected this case. Signed-off-by:
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Eric Van Hensbergen authored
There is a simple logic error in init_v9fs - the return code checks are reversed. This patch fixes the return code and adds some messages to prevent module initialization from failing silently. Signed-off-by:
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NeilBrown authored
In most cases we check the size of the bitmap file before reading data from it. However when reading the superblock, we always read the first PAGE_SIZE bytes, which might not always be appropriate. So limit that read to the size of the file if appropriate. Also, we get the count of available bytes wrong in one place, so that too can read past the end of the file. Cc: "yang yin" <yinyang801120@gmail.com> Signed-off-by:
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NeilBrown authored
Now that we sometimes step the array events count backwards (when transitioning dirty->clean where nothing else interesting has happened - so that we don't need to write to spares all the time), it is possible for the event count to return to zero, which is potentially confusing and triggers and MD_BUG. We could possibly remove the MD_BUG, but is just as easy, and probably safer, to make sure we never return to zero. Signed-off-by:
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NeilBrown authored
When 'repair' finds a block that is different one the various parts of the mirror. it is meant to write a chosen good version to the others. However it currently writes out the original data to each. The memcpy to make all the data the same is missing. Signed-off-by:
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NeilBrown authored
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Peter Staubach authored
NFS V3 (and V4) support exclusive create by passing a 'cookie' which can get stored with the file. If the file exists but has exactly the right cookie stored, then we assume this is a retransmit and the exclusive create was successful. The cookie is 64bits and is traditionally stored in the mtime and atime fields. This causes a problem with Solaris7 as negative mtime or atime confuse it. So we moved two bits into the mode word instead. But inherited ACLs sometimes overwrite the mode word on create, so this is a problem. So we give up and just store 62 of the 64 bits and assume that is close enough. Signed-off-by:
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NeilBrown authored
A couple of the warnings will be followed by an Oops if they ever fire, so may as well be BUG_ON. Another isn't obviously fatal but has never been known to fire, so make it a WARN_ON. Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by:
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NeilBrown authored
NFSd assumes that largest number of pages that will be needed for a request+response is 2+N where N pages is the size of the largest permitted read/write request. The '2' are 1 for the non-data part of the request, and 1 for the non-data part of the reply. However, when a read request is not page-aligned, and we choose to use ->sendfile to send it directly from the page cache, we may need N+1 pages to hold the whole reply. This can overflow and array and cause an Oops. This patch increases size of the array for holding pages by one and makes sure that entry is NULL when it is not in use. Signed-off-by:
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