- 01 Nov, 2006 4 commits
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Larry Finger authored
The bcm43xx driver uses 4 locations in the devices sprom to determine the behavior of the leds. Certain defaults are assigned if all bits are set in those locations. On at least one BCM4303 chip, the sprom contains values other than the default, which executes an assertion placed in the default case of a following switch statement. This patch makes the leds on the above mentioned interface behave correctly. In addition, it limits the number of logged messages to 20 for the case of unexpected values in the sprom locations. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Michael Buesch authored
This fixes a netdev watchdog timeout problem. The software needs to call netif_tx_disable before running the hardware calibration code. The problem condition can be shown by the following timegraph. |---5secs - ~10 jiffies time---|---|OOPS ^ ^ last real TX periodic work stops netif At OOPS, the following happens: The watchdog timer triggers, because the timeout of 5secs is over. The watchdog first checks for stopped TX. _Usually_ TX is only stopped from the TX handler to indicate a full TX queue. But this is different. We need to stop TX here, regardless of the TX queue state. So the watchdog recognizes the stopped device and assumes it is stopped due to full TX queues (Which is a _wrong_ assumption in this case). It then tests how far the last TX has been in the past. If it's more than 5secs (which is the case for low or no traffic), it will fire a TX timeout. Signed-off-by:
Michael Buesch <mb@bu3sch.de> Signed-off-by:
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Pavel Roskin authored
The length of the manfid CIS should be at least 4, and it's normally 4. It's incorrect to require it to be at least 5. This breaks support for most (if not all) cards. The right place to ensure that we don't access beyond the CIS buffer is to strengthen another check. Make sure that the next tuple begins at least at the CIS buffer end (in which case we stop processing) or before that. Reported by ph35sm@free.fr Signed-off-by:
Pavel Roskin <proski@gnu.org> Signed-off-by:
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Jiri Benc authored
The "ieee80211: Workaround malformed 802.11 frames from AP" patch (see http://kernel.org/git/?p=linux/kernel/git/linville/wireless-2.6.git;a=commit;h=f09fc44d8c25f22c4d985bb93857338ed02feac6 ) fixes the problem with some buggy APs but also converts debug message into an error one. This floods the log with errors when you are near such AP (you get a message for every beacon). This patch reverts the error message back to the debug one. Signed-off-by:
Jiri Benc <jbenc@suse.cz> Signed-off-by:
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- 31 Oct, 2006 36 commits
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Atsushi Nemoto authored
Since we already moved to GENERIC_TIME, we should implement alternatives of old do_gettimeoffset routines to get sub-jiffies resolution from gettimeofday(). This patch includes: * MIPS clocksource support (based on works by Manish Lachwani). * remove unused gettimeoffset routines and related codes. * remove unised 64bit do_div64_32(). * simplify mips_hpt_init. (no argument needed, __init tag) * simplify c0_hpt_timer_init. (no need to write to c0_count) * remove some hpt_init routines. * mips_hpt_mask variable to specify bitmask of hpt value. * convert jmr3927_do_gettimeoffset to jmr3927_hpt_read. * convert ip27_do_gettimeoffset to ip27_hpt_read. * convert bcm1480_do_gettimeoffset to bcm1480_hpt_read. * simplify sb1250 hpt functions. (no need to subtract and shift) Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
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Ralf Baechle authored
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Ralf Baechle authored
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Yoichi Yuasa authored
arch/mips/kernel/traps.c:1115: warning: int format, long unsigned int arg (arg 2) Signed-off-by:
Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by:
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Yoichi Yuasa authored
Signed-off-by:
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Ralf Baechle authored
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Manish Lachwani authored
Signed-off-by:
Manish Lachwani <mlachwani@mvista.com> Signed-off-by:
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Ralf Baechle authored
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Randy Dunlap authored
SCSI_QLA_ISCSI needs to depend on NET to prevent build (link) failures that are caused by selecting SCSI_ISCSI_ATTRS. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jens Axboe authored
In very rare circumstances would we be pruning a merged request and at the same time delete the implicated cfqq from the rr_list, and not readd it when the merged request got added. This could cause io stalls until that process issued io again. Fix it up by putting the rr_list add handling into cfq_add_rq_rb(), identical to how pruning is handled in cfq_del_rq_rb(). This fixes a hang reproducible with fsx-linux. Signed-off-by:
Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Titan defconfig update. sh: Fix IPR-IRQ's for IRQ-chip change breakage. sh: Update r7780rp_defconfig. video: Fix include in hp680_bl. sh: Wire up new syscalls.
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPV6]: fix flowlabel seqfile handling [IPV6]: return EINVAL for invalid address with flowlabel lease request [SCTP]: Remove temporary associations from backlog and hash. [SCTP]: Correctly set IP id for SCTP traffic [NetLabel]: protect the CIPSOv4 socket option from setsockopt() [NETFILTER]: ip_tables: compat code module refcounting fix [NETFILTER]: nf_conntrack: add missing unlock in get_next_corpse() [NETFILTER]: ip_tables: compat error way cleanup [NETFILTER]: Missed and reordered checks in {arp,ip,ip6}_tables [NETFILTER]: remove masq/NAT from ip6tables Kconfig help [IPV6]: fix lockup via /proc/net/ip6_flowlabel [NET]: fix uaccess handling [SCTP]: Always linearise packet on input [ETH1394]: Fix unaligned accesses. [DCCP]: fix printk format warnings [NET]: Fix segmentation of linear packets [XFRM] xfrm_user: Fix unaligned accesses. [APPLETALK]: Fix potential OOPS in atalk_sendmsg(). [NET] sealevel: uses arp_broken_ops -
Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Add some missing print_symbol() calls. [SPARC64]: Fix Tomatillo/Schizo IRQ handling.
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NeilBrown authored
Partitions are not limited to live within a device. So we should range check after partition mapping. Note that 'maxsector' was being used for two different things. I have split off the second usage into 'old_sector' so that maxsector can be still be used for it's primary usage later in the function. Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Michael Halcrow authored
Fix the use of dget/dput calls to balance out on the lower filesystem. Signed-off-by:
Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by:
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Michael Halcrow authored
There is no point to calling the lower umount_begin when the eCryptfs umount_begin is called. Signed-off-by:
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Michael Halcrow authored
Opens on lower dentry objects happen in several places in eCryptfs, and they all involve the same steps (dget, mntget, dentry_open). This patch consolidates the lower open events into a single function call. Signed-off-by:
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Michael Halcrow authored
Update cipher block encryption code to the new crypto API. Signed-off-by:
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Michael Halcrow authored
Update eCryptfs hash code to the new kernel crypto API. Signed-off-by:
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Michael Halcrow authored
Clean up the crypto initialization code; let the crypto API take care of the key size checks. Signed-off-by:
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Oleg Nesterov authored
If there are no listeners, taskstats_exit_send() just returns because taskstats_exit_alloc() didn't allocate *tidstats. This is wrong, each sub-thread should do fill_tgid_exit() on exit, otherwise its ->delays is not recorded in ->signal->stats and lost. Q: We don't send TASKSTATS_TYPE_AGGR_TGID when single-threaded process exits. Is it good? How can the listener figure out that it was actually a process exit, not sub-thread? Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Cc: Balbir Singh <balbir@in.ibm.com> Acked-by:
Shailabh Nagar <nagar@watson.ibm.com> Signed-off-by:
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Jeff Dike authored
This is the UML piece of the INITCALLS tidying. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
kallsyms now refers to addresses as '_text + 0xADDRESS', rather than just '0xADDRESS', so we need to define _text. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Fix a small memory leak in ubd_config, and clearify the confusion which lead to it. Then, some little changes not affecting operations - * move init functions together, * add a comment about a potential problem in case of some evolution in the block layer, * mark all initcalls as static __init functions * mark an used once little function as inline * document that mconsole methods are all called in process context (was triggered when checking ubd mconsole methods). Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
To simplify error handling, make sure fd is saved into ubd_dev->fd only when we are sure it is an fd and not an error code. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Use bitfields for boolean fields in ubd data structure. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Pure whitespace and style fixes split out from subsequent patch. Some changes (err -> ret) don't make sense now, only later, but I split them out anyway since they cluttered the patch. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
do_ubd is actually just a boolean variable - the way it is used currently is a leftover from the old 2.4 block layer, but it is still used; its use is suspicious, but removing it would be too intrusive for now and needs more thinking. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Add some comments about requirements for ubd_io_lock and expand its use. When an irq signals that the "controller" (i.e. another thread on the host, which does the actual requests and is the only one blocked on I/O on the host) has done some work, we call again the request function ourselves (do_ubd_request). We now do that with ubd_io_lock held - that's useful to protect against concurrent calls to elv_next_request and so on. XXX: Maybe we shouldn't call at all the request function. Input needed on this. Are we supposed to plug and unplug the queue? That code "indirectly" does that by setting a flag, called do_ubd, which makes the request function return (it's a residual of 2.4 block layer interface). Meanwhile, however, merge this patch, which improves things. Cc: Jens Axboe <axboe@suse.de> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
This lock protects ubd setup and teardown, so is only used in process context; beyond that, during such setup memory allocations must be performed and some generic functions which can sleep must be called (such as add_disk()). So the only correct solution is to make it a mutex instead of a spin_lock. No other change is done - this lock must be acquired in different places but it's done afterwards. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
To rethink locking, I needed to understand well what each function does. While doing this I renamed some: * ubd_close -> ubd_close_dev (since it pairs with ubd_open_dev) * ubd_new_disk -> ubd_disk_register (it handles registration with the block layer - one hopes this makes clearer the difference with ubd_add()) Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Rename the ubd_dev array to ubd_devs and then call any "struct ubd" ubd_dev instead of dev, which doesn't make clear what we're treating (and no, it's not hungarian notation - not any more than calling all vm_area_struct vma or all inodes inode). Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Add documentation about some fields in struct ubd, whose meaning is non-obvious due to struct names (should change names altogether, I agree). Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
With 256 minors and 16 minors used per each UBD device, we can allow the use of up to 16 UBD devices per UML. Also chnage parse_unit and leave to the caller (which already do it) the check for excess numbers, since this is just supposed to do raw parsing. Signed-off-by:
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Andrew Morton authored
fs/block_dev.c: In function 'find_bd_holder': fs/block_dev.c:666: warning: return makes integer from pointer without a cast fs/block_dev.c:669: warning: return makes integer from pointer without a cast fs/block_dev.c: In function 'add_bd_holder': fs/block_dev.c:685: warning: unused variable 'tmp' fs/block_dev.c: In function 'bd_claim_by_kobject': fs/block_dev.c:773: warning: assignment makes pointer from integer without a cast Acked-by:
Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by:
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