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* [PATCH] IB/mthca: Factor out common queue alloc codeRoland Dreier2005-08-265-224/+141
| | | | | | | | Clean up the allocation of memory for queues by factoring out the common code into mthca_buf_alloc() and mthca_buf_free(). Now CQs and QPs share the same queue allocation code, which we'll also use for SRQs. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: userspace SRQ supportRoland Dreier2005-08-264-4/+238
| | | | | | | | | | | | | | | | | | | | Add SRQ support to userspace verbs module. This adds several commands and associated structures, but it's OK to do this without bumping the ABI version because the commands are added at the end of the list so they don't change the existing numbering. There are two cases to worry about: 1. New kernel, old userspace. This is OK because old userspace simply won't try to use the new SRQ commands. None of the old commands are changed. 2. Old kernel, new userspace. This works perfectly as long as userspace doesn't try to use SRQ commands. If userspace tries to use SRQ commands, it will get EINVAL, which is perfectly reasonable: the kernel doesn't support SRQs, so we couldn't do any better. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Add SRQ support to midlayerRoland Dreier2005-08-262-5/+158
| | | | | | | Make the required core API additions and changes for shared receive queues (SRQs). Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Report correct max_msg_szRoland Dreier2005-08-261-0/+3
| | | | | | | | Set the max_msg_sz port property correctly in mthca's port_query function. Also zero out the attr struct so that we don't leave any other members uninitialized. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Use correct port width capability valueRoland Dreier2005-08-265-13/+10
| | | | | | | | | When we call the INIT_IB firmware command to bring up a port, use the actual port width capability returned by the QUERY_DEV_LIM command instead of always trying to enable both 1X and 4X. This fixes breakage seen when the firmware is build to allow 4X only. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Remove unnecessary includes of <linux/version.h>Olaf Hering2005-08-264-4/+0
| | | | | | | | changing CONFIG_LOCALVERSION rebuilds too much, for no appearent reason. Remove unneeded includes of <linux/version.h>. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Fix ib_mad_thread_completion_handler declarationHal Rosenstock2005-08-261-3/+2
| | | | | | | | Change ib_mad_thread_completion_handler to conform to ib_comp_handler declaration. Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: use generic function instead of arbel_ version in ↵Guy German2005-08-261-1/+1
| | | | | | | | | | mthca_free_region() Use the generic key_to_hw_index() function instead of the Arbel-specific version in mthca_free_region(). Signed-off-by: Guy German <guyg@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: unmap FMRs when destroying FMR poolRoland Dreier2005-08-261-0/+6
| | | | | | | | Make sure that all FMRs are unmapped before we deallocate them so that we don't leak references to our protection domain when destroying an FMR pool. (Bug reported by Guy German <guyg@voltaire.com>) Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: add HCA board ID to sysfs infoMichael S. Tsirkin2005-08-265-69/+109
| | | | | | | | Add support for reporting HCA board ID returned from QUERY_ADAPTER firmware command through sysfs. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: sparse endianness cleanupSean Hefty2005-08-2634-562/+565
| | | | | | | Fix sparse warnings. Use __be* where appropriate. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Eliminate redundant NULL checksHal Rosenstock2005-08-261-8/+4
| | | | | | | IPoIB: Eliminate NULL checks prior to calling kfree Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Add copyright noticesRoland Dreier2005-08-2639-17/+69
| | | | | | | Make some lawyers happy and add copyright notices for people who forgot to include them when they actually touched the code. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Update current firmware versions in mthca driverTziporet Koren2005-08-261-3/+3
| | | | | | | Update FW versions in mthca according to July 05 Mellanox release Signed-off-by: Tziporet Koren <tziporet@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] Fix oops in sysfs_hash_and_remove_file()James Bottomley2005-08-261-0/+4
| | | | | | | | | | | | | | | | | | | The problem arises if an entity in sysfs is created and removed without ever having been made completely visible. In SCSI this is triggered by removing a device while it's initialising. The problem appears to be that because it was never made visible in sysfs, the sysfs dentry has a null d_inode which oopses when a reference is made to it. The solution is simply to check d_inode and assume the object was never made visible (and thus doesn't need deleting) if it's NULL. (akpm: possibly a stopgap for 2.6.13 scsi problems. May not be the long-term fix) Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: clear the 'recovery' flags when starting an md array.NeilBrown2005-08-261-0/+1
| | | | | | | | | It's possible for this to still have flags in it and a previous instance has been stopped, and that confused the new array using the same mddev. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: create a MODULE_ALIAS for md corresponding to its block major ↵NeilBrown2005-08-261-0/+1
| | | | | | | | | | number. I just discovered this is needed for module auto-loading. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB: fix use-after-free in user verbs cleanupRoland Dreier2005-08-261-1/+2
| | | | | | | | | Fix a use-after-free bug in userspace verbs cleanup: we can't touch mr->device after we free mr by calling ib_dereg_mr(). Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] arm: fix IXP4xx flash resource rangeDeepak Saxena2005-08-263-3/+3
| | | | | | | | | | | | | We are currently reserving one byte more than actually needed by the flash device and overlapping into the next I/O expansion bus window. This a) causes us to allocate an extra page of VM due to ARM ioremap() alignment code and b) could cause problems if another driver tries to request the next expansion bus window. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Tell VM about holes in nodesAndi Kleen2005-08-264-5/+55
| | | | | | | | | | | | | | | | | | | | | | | Some nodes can have large holes on x86-64. This fixes problems with the VM allowing too many dirty pages because it overestimates the number of available RAM in a node. In extreme cases you can end up with all RAM filled with dirty pages which can lead to deadlocks and other nasty behaviour. This patch just tells the VM about the known holes from e820. Reserved (like the kernel text or mem_map) is still not taken into account, but that should be only a few percent error now. Small detail is that the flat setup uses the NUMA free_area_init_node() now too because it offers more flexibility. (akpm: lotsa thanks to Martin for working this problem out) Cc: Martin Bligh <mbligh@mbligh.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] I2C hwmon: kfree fixesMark M. Hoffman2005-08-262-2/+2
| | | | | | | | | | | | | | This patch fixes several instances of hwmon drivers kfree'ing the "wrong" pointer; the existing code works somewhat by accident. (akpm: plucked from Greg's queue based on lkml discussion. Finishes off the patch from Jon Corbet) Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: Fix issue with gcc 4.0 compiled kernelsAnton Blanchard2005-08-261-3/+4
| | | | | | | | | | | | | | | | | | | I recently had a BUG_ON() go off spuriously on a gcc 4.0 compiled kernel. It turns out gcc-4.0 was removing a sign extension while earlier gcc versions would not. Thinking this to be a compiler bug, I submitted a report: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23422 It turns out we need to cast the input in order to tell gcc to sign extend it. Thanks to Andrew Pinski for his help on this bug. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] completely disable cpu_exclusive sched domainPaul Jackson2005-08-261-0/+13
| | | | | | | | | | | | | | | | | | | | At the suggestion of Nick Piggin and Dinakar, totally disable the facility to allow cpu_exclusive cpusets to define dynamic sched domains in Linux 2.6.13, in order to avoid problems first reported by John Hawkes (corrupt sched data structures and kernel oops). This has been built for ppc64, i386, ia64, x86_64, sparc, alpha. It has been built, booted and tested for cpuset functionality on an SN2 (ia64). Dinakar or Nick - could you verify that it for sure does avoid the problems Hawkes reported. Hawkes is out of town, and I don't have the recipe to reproduce what he found. Signed-off-by: Paul Jackson <pj@sgi.com> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] undo partial cpu_exclusive sched domain disablingPaul Jackson2005-08-261-19/+0
| | | | | | | | | | | | | | | | The partial disabling of Dinakar's new facility to allow cpu_exclusive cpusets to define dynamic sched domains doesn't go far enough. At the suggestion of Nick Piggin and Dinakar, let us instead totally disable this facility for 2.6.13, in order to avoid problems first reported by John Hawkes (corrupt sched data structures and kernel oops). This patch removes the partial disabling code in 2.6.13-rc7, in anticipation of the next patch, which will totally disable it instead. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge HEAD from master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6.git Linus Torvalds2005-08-262-11/+9
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| * [TG3]: Fix ethtool loopback test lockupMichael Chan2005-08-251-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The tg3_abort_hw() call in tg3_test_loopback() is causing lockups on some devices. tg3_abort_hw() disables the memory arbiter, causing tg3_reset_hw() to hang when it tries to write the pre-reset signature. tg3_abort_hw() should only be called after the pre-reset signature has been written. This is all done in tg3_reset_hw() so the tg3_abort_hw() call is unnecessary and can be removed. [ Also bump driver version and release date. -DaveM ] Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [FIB_TRIE]: Don't ignore negative results from fib_semantic_matchPatrick McHardy2005-08-231-7/+7
| | | | | | | | | | | | | | | | | | | | When a semantic match occurs either success, not found or an error (for matching unreachable routes/blackholes) is returned. fib_trie ignores the errors and looks for a different matching route. Treat results other than "no match" as success and end lookup. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] hwmon: Off-by-one error in fscpos driverJean Delvare2005-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | Coverity uncovered an off-by-one error in the fscpos driver, in function set_temp_reset(). Writing to the temp3_reset sysfs file will lead to an array overrun, in turn causing an I2C write to a random register of the FSC Poseidon chip. Additionally, writing to temp1_reset and temp2_reset will not work as expected. The fix is straightforward. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ppc32 8xx: fix m8xx_ide_init() #ifdefMarcelo Tosatti2005-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | Be more precise on deciding whether to call m8xx_ide_init() at m8xx_setup.c:platform_init(). Compilation fails if CONFIG_BLK_DEV_IDE is defined but CONFIG_BLK_DEV_MPC8xx_IDE isnt. Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] late spinlock initialization in ieee1394/ohciAl Viro2005-08-261-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | spinlock used in irq handler should be initialized before registering irq, even if we know that our device has interrupts disabled; handler is registered shared and taking spinlock is done unconditionally. As it is, we can and do get oopsen on boot for some configuration, depending on irq routing - I've got a reproducer. Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Ben Collins <bcollins@debian.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] bogus function type in qdioAl Viro2005-08-261-1/+1
| | | | | | | | | | | | | | | | | | In qdio_get_micros() volatile in return type is plain noise (even with old gccisms it would make no sense - noreturn function returning __u64 is a bit odd ;-) Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] bogus iounmap() in emacAl Viro2005-08-261-1/+1
| | | | | | | | | | | | | | Dumb typo: iounmap(&local_pointer_variable). Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] drivers/hwmon/*: kfree() correct pointersAlexey Dobriyan2005-08-265-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | The adm9240 driver, in adm9240_detect(), allocates a structure. The error path attempts to kfree() ->client field of it (second one), resulting in an oops (or slab corruption) if the hardware is not present. ->client field in adm1026, adm1031, smsc47b397 and smsc47m1 is the first in ${HWMON}_data structure, but fix them too. Signed-off-by: Jonathan Corbet <corbet@lwn.net Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Fix oops in fs/locks.c on close of file with pending locksSteve French2005-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent change to locks_remove_flock code in fs/locks.c changes how byte range locks are removed from closing files, which shows up a bug in cifs. The assumption in the cifs code was that the close call sent to the server would remove any pending locks on the server on this file, but that is no longer safe as the fs/locks.c code on the client wants unlock of 0 to PATH_MAX to remove all locks (at least from this client, it is not possible AFAIK to remove all locks from other clients made to the server copy of the file). Note that cifs locks are different from posix locks - and it is not possible to map posix locks perfectly on the wire yet, due to restrictions of the cifs network protocol, even to Samba without adding a new request type to the network protocol (which we plan to do for Samba 3.0.21 within a few months), but the local client will have the correct, posix view, of the lock in most cases. The correct fix for cifs for this would involve a bigger change than I would like to do this late in the 2.6.13-rc cycle - and would involve cifs keeping track of all unmerged (uncoalesced) byte range locks for each remote inode and scanning that list to remove locks that intersect or fall wholly within the range - locks that intersect may have to be reaquired with the smaller, remaining range. Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] hppfs: fix symlink error pathPaolo 'Blaisorblade' Giarrusso2005-08-261-15/+9
| | | | | | | | | | | | | | | | | | | | | | While touching this code I noticed the error handling is bogus, so I fixed it up. I've removed the IS_ERR(proc_dentry) check, which will never trigger and is clearly a typo: we must check proc_file instead. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Fixup symlink function pointers for hppfs [for 2.6.13]Paolo 'Blaisorblade' Giarrusso2005-08-261-8/+8
| | | | | | | | | | | | | | | | | | | | Update hppfs for the symlink functions prototype change. Yes, I know the code I leave there is still _bogus_, see next patch for this. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Document idr_get_new_above() semantics, update inotifyJohn McCutchan2005-08-262-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | There is an off by one problem with idr_get_new_above. The comment and function name suggest that it will return an id > starting_id, but it actually returned an id >= starting_id, and kernel callers other than inotify treated it as such. The patch below fixes the comment, and fixes inotifys usage. The function name still doesn't match the behaviour, but it never did. Signed-off-by: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Ignore disabled ROM resources at setupLinus Torvalds2005-08-261-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Writing even a disabled value seems to mess up some matrox graphics cards. It may be a card-related issue, but we may also be writing reserved low bits in the result. This was a fall-out of switching x86 over to the generic PCI resource allocation code, and needs more debugging. In particular, the old x86 code defaulted to not doing any resource allocations at all for ROM resources. In the meantime, this has been reported to make X happier by Helge Hafting <helgehaf@aitel.hist.no>. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Only pre-allocate 256 bytes of cardbio IO rangeLinus Torvalds2005-08-261-1/+1
| | | | | | | | | | | | | | | | It may seem small, but most cards need much less, if any, and this not only makes the code adhere to the comment, it seems to fix a boot-time lockup on a ThinkPad 380XD laptop reported by Tero Roponen <teanropo@cc.jyu.fi> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] cfq-iosched.c: minor fixesJens Axboe2005-08-241-10/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | One critical fix and two minor fixes for 2.6.13-rc7: - Max depth must currently be 2 to allow barriers to function on SCSI - Prefer sync request over async in choosing the next request - Never allow async request to preempt or disturb the "anticipation" for a single cfq process context. This is as-designed, the code right now is buggy in that area. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Export pcibios_bus_to_resourceKeith Owens2005-08-242-0/+2
| | | | | | | | | | | | | | | | | | pcibios_bus_to_resource is exported on all architectures except ia64 and sparc. Add exports for the two missing architectures. Needed when Yenta socket support is compiled as a module. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] x86_64: update defconfig - reenable fusionAndi Kleen2005-08-241-8/+13
| | | | | | | | | | | | | | | | | | I mistakedly disabled fusion support in an earlier update. Fusion is commonly used on many x86-64 systems, so this was a problem. This patch fixes that. Signed-off-by: And Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] ppc64: Export machine_power_off for therm_pm72 moduleBenjamin Herrenschmidt2005-08-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | This patch puts back the export of machine_power_off() that was removed by some janitor as it's used for emergency shutdown by the G5 thermal control driver. Wether that driver should use kernel_power_off() instead is debatable and a post-2.6.13 decision. In the meantime, please commit that patch that fixes the driver for now. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] cpu_exclusive sched domains build fixPaul Jackson2005-08-241-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As reported by Paul Mackerras <paulus@samba.org>, the previous patch "cpu_exclusive sched domains fix" broke the ppc64 build with CONFIC_CPUSET, yielding error messages: kernel/cpuset.c: In function 'update_cpu_domains': kernel/cpuset.c:648: error: invalid lvalue in unary '&' kernel/cpuset.c:648: error: invalid lvalue in unary '&' On some arch's, the node_to_cpumask() is a function, returning a cpumask_t. But the for_each_cpu_mask() requires an lvalue mask. The following patch fixes this build failure by making a copy of the cpumask_t on the stack. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68k: fix broken macros causing compile errorsAndreas Schwab2005-08-241-3/+3
|/ | | | | | | Add parens around macro parameters. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux v2.6.13-rc7v2.6.13-rc7Linus Torvalds2005-08-231-1/+1
| | | | Too many changes to release a final 2.6.13.
* [PATCH] Fix IXP4xx CLOCK_TICK_RATEDeepak Saxena2005-08-231-2/+4
| | | | | | | | | | | | | As pointed out in the following thread, the CLOCK_TICK_RATE setting for IXP4xx is incorrect b/c the HW ignores the lowest 2 bits of the LATCH value. http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2005-August/030950.html Tnx to George Anziger and Egil Hjelmeland for finding the issue. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpu_exclusive sched domains on partial nodes temp fixPaul Jackson2005-08-231-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | This keeps the kernel/cpuset.c routine update_cpu_domains() from invoking the sched.c routine partition_sched_domains() if the cpuset in question doesn't fall on node boundaries. I have boot tested this on an SN2, and with the help of a couple of ad hoc printk's, determined that it does indeed avoid calling the partition_sched_domains() routine on partial nodes. I did not directly verify that this avoids setting up bogus sched domains or avoids the oops that Hawkes saw. This patch imposes a silent artificial constraint on which cpusets can be used to define dynamic sched domains. This patch should allow proceeding with this new feature in 2.6.13 for the configurations in which it is useful (node alligned sched domains) while avoiding trying to setup sched domains in the less useful cases that can cause the kernel corruption and oops. Signed-off-by: Paul Jackson <pj@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Dinakar Guniguntala <dino@in.ibm.com> Acked-by: John Hawkes <hawkes@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge head 'upstream-fixes' of ↵Linus Torvalds2005-08-231-2/+2
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6
| * [PATCH] i810_audio: fix release_region misordering in error exit from i810_probeJohn W. Linville2005-08-231-2/+2
| | | | | | | | | | | | | | | | Re-order release_region calls in i810_probe to properly unwind preceding allocations. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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