- 13 May, 2010 23 commits
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Bruce Allan authored
When running ethtool online diagnostics with no open interface, there is a short period of time where the driver relinquishes control of the adapter during which time AMT (manageability firmware) can put the adapter into an unknown state resulting in such things as link test failure, hardware hang, reporting an incorrect link speed, etc. Resetting the adapter during an open() resolves this by putting the adapter into a quiescent state. Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bruce Allan authored
A couple stack cleanups missed in an earlier patch from Jesse. Signed-off-by:
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Amit Kumar Salecha authored
Check the access by tools for hardware queue engine and handle it separately than other block registers, otherwise incorrect data is returned. Support for only NX3031 based cards. Acked-by:
Dhananjay Phadke <dhananjay.phadke@qlogic.com> Signed-off-by:
Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by:
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Sucheta Chakraborty authored
Remove unnecessary remap of the region in bar 0 to access onhip memory for NX3031. Signed-off-by:
Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by:
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Sucheta Chakraborty authored
NX3031 have 64bit on card memory. Fix the limit check to 64MB and remove unnecessary 128bit read/write check. Signed-off-by:
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Amit Kumar Salecha authored
o For NX3031, MSI_MODE, CAPABILITIES_FW and SCRATCHPAD registers are obsolete. These register addresses can be used for different purpose. Signed-off-by:
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Allan Stephens authored
Convert tipc_msg_* inline routines that are more than one line into standard functions, thereby eliminating some repeated code. Signed-off-by:
Allan Stephens <allan.stephens@windriver.com> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Allan Stephens authored
Convert buf_acquire inline routine that is more than one line into a standard function, thereby eliminating some repeated code. Signed-off-by:
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Allan Stephens authored
Convert bearer congestion inline routine that is more than one line into a standard function, thereby eliminating some repeated code. Signed-off-by:
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Allan Stephens authored
Converts port list inline routines that are more than one line into standard functions, thereby eliminating a significant amount of repeated code. Signed-off-by:
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Allan Stephens authored
Converts nmap inline routines that are more than one line into standard functions, thereby eliminating a significant amount of repeated code. Signed-off-by:
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Allan Stephens authored
Convert address-related inline routines that are more than one line into standard functions, thereby eliminating a significant amount of repeated code. Signed-off-by:
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Allan Stephens authored
These functions have enough code in them such that they seem like sensible targets for un-inlining. Prior to doing that, this adds the tipc_ prefix to the functions, so that in the event of a panic dump or similar, the subsystem from which the functions come from is immediately clear. Signed-off-by:
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Allan Stephens authored
Rather than live in link.c where they can only be used in that file alone, these helper routines are better served by being in link.h Relocated are the following: link_working_working link_working_unknown link_reset_unknown link_reset_reset link_blocked link_congested Signed-off-by:
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Allan Stephens authored
This is just a straight return of a field; there is no value in the abstraction of hiding it behind a function. Signed-off-by:
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Allan Stephens authored
Eliminate comments in TIPC's main API files that are either obsolete, incorrect, misleading, or unhelpful. It also adds in one new comment. Signed-off-by:
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Allan Stephens authored
Provide initial support for displaying overall TIPC status/statistics information at runtime. Currently, only version info for the TIPC kernel module is displayed. Signed-off-by:
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Allan Stephens authored
Make a cosmetic change to the name displayed for the broadcast link, to better reflect its true nature. Since TIPC utilizes this link to distribute name table information, in addition to multicast messages sent by user applications, the prior name "multicast-link" is no longer appropriate. Signed-off-by:
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Allan Stephens authored
Eliminate a couple of instances where TIPC's native API send routines were doing pointless initialization of local variables. Signed-off-by:
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Allan Stephens authored
Eliminate some unused data structures in the TIPC configuration service that relate to the handling of link subscriptions, which were not supported when TIPC 1.5 was introduced. If and when support for link subscriptions is offered in TIPC, these elements may need to be re-introduced. Signed-off-by:
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Allan Stephens authored
Eliminate an argument in a print statement that has no corresponding format specification. Signed-off-by:
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Allan Stephens authored
Eliminate a field of the TIPC port structure that is populated, but never referenced. Signed-off-by:
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- 12 May, 2010 17 commits
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Jan Engelhardt authored
Aviod these link-time errors when IPV6=m, XT_TEE=y: net/built-in.o: In function `tee_tg_route6': xt_TEE.c:(.text+0x45ca5): undefined reference to `ip6_route_output' net/built-in.o: In function `tee_tg6': xt_TEE.c:(.text+0x45d79): undefined reference to `ip6_local_out' Signed-off-by:
Jan Engelhardt <jengelh@medozas.de> Acked-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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David S. Miller authored
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ar9170/usb.c drivers/scsi/iscsi_tcp.c net/ipv4/ipmr.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (applesmc) Correct sysfs fan error handling hwmon: (asc7621) Bug fixes
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kprobes/x86: Fix removed int3 checking order perf: Fix static strings treated like dynamic ones
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Andrew Morton authored
i915_error_object_create() is called from the timer interrupt and hence can corrupt the KM_USER0 slot. Use KM_IRQ0 instead. Reported-by:
Jaswinder Singh Rajput <jaswinderlinux@gmail.com> Tested-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Oliver Neukum authored
The work queue has to be flushed after the device has been made inaccessible. The patch closes a window during which a work queue might remain active after the device is removed and would then lead to ACPI calls with undefined behavior. Signed-off-by:
Oliver Neukum <oneukum@suse.de> Acked-by:
Eric Piel <eric.piel@tremplin-utc.net> Acked-by:
Pavel Machek <pavel@ucw.cz> Cc: Pavel Herrmann <morpheus.ibis@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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André Goddard Rosa authored
In case of aborting because we reach the maximum amount of memory which can be allocated to message queues per user (RLIMIT_MSGQUEUE), we would try to free the message area twice when bailing out: first by the error handling code itself, and then later when cleaning up the inode through delete_inode(). Signed-off-by:
André Goddard Rosa <andre.goddard@gmail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@kernel.org> Signed-off-by:
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Michael Hennerich authored
The current allocation does not include the memory required for blanking lines. So avoid memory corruption when multiple devices are using the DMA memory near each other. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: <stable@kernel.org> Signed-off-by:
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KAMEZAWA Hiroyuki authored
Some callers (in memcontrol.c) calls css_is_ancestor() without rcu_read_lock. Because css_is_ancestor() has to access RCU protected data, it should be under rcu_read_lock(). This makes css_is_ancestor() itself does safe access to RCU protected area. (At least, "root" can have refcnt==0 if it's not an ancestor of "child". So, we need rcu_read_lock().) Signed-off-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by:
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KAMEZAWA Hiroyuki authored
Commit ad4ba375 ("memcg: css_id() must be called under rcu_read_lock()") modifies memcontol.c for fixing RCU check message. But Andrew Morton pointed out that the fix doesn't seems sane and it was just for hidining lockdep messages. This is a patch for do proper things. Checking again, all places, accessing without rcu_read_lock, that commit fixies was intentional.... all callers of css_id() has reference count on it. So, it's not necessary to be under rcu_read_lock(). Considering again, we can use rcu_dereference_check for css_id(). We know css->id is valid if css->refcnt > 0. (css->id never changes and freed after css->refcnt going to be 0.) This patch makes use of rcu_dereference_check() in css_id/depth and remove unnecessary rcu-read-lock added by the commit. Signed-off-by:
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Vitaliy Gusev authored
acct_exit_ns --> acct_file_reopen deletes timer without check timer execution on other CPUs. So acct_timeout() can change an unmapped memory. Signed-off-by:
Vitaliy Gusev <vgusev@openvz.org> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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Naoya Horiguchi authored
Currently page_address_in_vma() compares vma->anon_vma and page_anon_vma(page) for parameter check, but in 2.6.34 a vma can have multiple anon_vmas with anon_vma_chain, so current check does not work. (For anonymous page shared by multiple processes, some verified (page,vma) pairs return -EFAULT wrongly.) We can go to checking all anon_vmas in the "same_vma" chain, but it needs to meet lock requirement. Instead, we can remove anon_vma check safely because page_address_in_vma() assumes that page and vma are already checked to belong to the identical process. Signed-off-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by:
Rik van Riel <riel@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Mel Gorman authored
Ordinarily, application using hugetlbfs will create mappings with reserves. For shared mappings, these pages are reserved before mmap() returns success and for private mappings, the caller process is guaranteed and a child process that cannot get the pages gets killed with sigbus. An application that uses MAP_NORESERVE gets no reservations and mmap() will always succeed at the risk the page will not be available at fault time. This might be used for example on very large sparse mappings where the developer is confident the necessary huge pages exist to satisfy all faults even though the whole mapping cannot be backed by huge pages. Unfortunately, if an allocation does fail, VM_FAULT_OOM is returned to the fault handler which proceeds to trigger the OOM-killer. This is unhelpful. Even without hugetlbfs mounted, a user using mmap() can trivially trigger the OOM-killer because VM_FAULT_OOM is returned (will provide example program if desired - it's a whopping 24 lines long). It could be considered a DOS available to an unprivileged user. This patch alters hugetlbfs to kill a process that uses MAP_NORESERVE where huge pages were not available with SIGBUS instead of triggering the OOM killer. This change affects hugetlb_cow() as well. I feel there is a failure case in there, but I didn't create one. It would need a fairly specific target in terms of the faulting application and the hugepage pool size. The hugetlb_no_page() path is much easier to hit but both might as well be closed. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: David Rientjes <rientjes@google.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: <stable@kernel.org> Signed-off-by:
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Vitaly Mayatskikh authored
Two "echo 0 > /sys/kernel/kexec_crash_size" OOPSes kernel. Also content of this file is invalid after first shrink to zero: it shows 1 instead of 0. This scenario is unlikely to happen often (root privs, valid crashkernel= in cmdline, dump-capture kernel not loaded), I hit it only by chance. This patch fixes it. Signed-off-by:
Vitaly Mayatskikh <v.mayatskih@gmail.com> Cc: Cong Wang <amwang@redhat.com> Cc: Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
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Nicolas Ferre authored
In debugfs, printing of command response reports resp[2] twice: fix it to resp[3]. Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Nicolas Ferre authored
Disable data error interrupts while we are actually recording that there is not such errors. This will prevent, in some cases, the warning message printed at new request queuing (in atmci_start_request()). Signed-off-by:
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Nicolas Ferre authored
The removing of an SD card in certain circumstances can lead to a kernel oops if we do not make sure that the "data" field of the host structure is valid. This patch adds a test in atmci_dma_cleanup() function and also calls atmci_stop_dma() before throwing away the reference to data. Signed-off-by:
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