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- 13 Jan, 2006 15 commits
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Jason Uhlenkott authored
We need to handle debug traps in fsys mode non-fatally. They can happen now that we have fsyscalls which contain probe instructions. Signed-off-by: Jason Uhlenkott <jasonuhl@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Prarit Bhargava authored
This patch separates the sn_flush_device_list struct into kernel and common (both kernel and PROM accessible) structures. As it was, if the size of a spinlock_t changed (due to additional CONFIG options, etc.) the sal call which populated the sn_flush_device_list structs would erroneously write data (and cause memory corruption and/or a panic). This patch does the following: 1. Removes sn_flush_device_list and adds sn_flush_device_common and sn_flush_device_kernel. 2. Adds a new SAL call to populate a sn_flush_device_common struct per device, not per widget as previously done. 3. Correctly initializes each device's sn_flush_device_kernel spinlock_t struct (before it was only doing each widget's first device). Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Jack Steiner authored
I originally thought this was an bug only in the SN code, but I think I also see a hole in the generic IA64 tlb code. (Separate patch was sent for the SN problem). It looks like there is a bug in the TLB flushing code. During context switch, kernel threads (kswapd, for example) inherit the mm of the task that was previously running on the cpu. Normally, this is ok because the previous context is still loaded into the RR registers. However, if the owner of the mm migrates to another cpu, changes it's context number, and references a page before kswapd issues a tlb_purge for that same page, the purge will be done with a stale context number (& RR registers). Signed-off-by: Tony Luck <tony.luck@intel.com>
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Russ Anderson authored
Altix (shub2) pushes the BTE clean-up into SAL. This patch correctly interfaces with the now implemented SAL call. It also fixes a bug when delaying clean-up to allow busy BTEs to complete (or error out). Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Francois Wellenrieter authored
On return from INIT handler we must convert the address of the minstate area from a kernel virtual uncached address (0xC...) to physical uncached (0x8...). A typo (or thinko?) in the code converted to physical cached. Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Cleanup a few items after moving xpc.h from arch/ia64/sn/kernel to include/asm-ia64/sn. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Move xpc.h from arch/ia64/sn/kernel to include/asm-ia64/sn without change. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Move xpc_system_reboot() to be closer to the file it calls for readability reasons (which are indeed subjective). Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Allow for the loss of heartbeat while in kdebug to be ignored by remote partitions. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Only unregister from notifier lists if XPC is unloading. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
Cleanup the XPC disengage related messages that are printed to the log. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Dean Nelson authored
This patch fixes a problem in XPC disengage processing whereby it was not seeing the request to disengage from a remote partition, so the disengage wasn't happening. The disengagement is suppose to transpire during the time a XPC channel is disconnecting, and should be completed before the channel is declared to be disconnected. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Tony Luck authored
When this new syscall was added to ia64 in commit 39743889 fsys.S was forgotten. Add a ".data8 0" there to keep it in step. [Reported by Stephane Eranian] Signed-off-by: Tony Luck <tony.luck@intel.com>
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Paul Mackerras authored
On PowerPC, we want to be able to provide an AT_PLATFORM aux table entry to userspace, so that glibc can choose optimized libraries for the processor we're running on. Unfortunately that would be the 21st aux table entry on powerpc, meaning that the aux table including the terminating null entry would overflow the mm->saved_auxv[] array, leading to userland programs segfaulting. This increases the size of the mm->saved_auxv array to be large enough to accommodate an AT_PLATFORM entry on powerpc. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Evgeniy authored
There's a lack of parenthesis in fs/ufs/utils.h, so instead of the 512th byte of buffer, the usb2 pointer will point to the nth structure of type ufs_super_block_second. This can cause a mount-time oops if you're unlucky (especially with DEBUG_PAGEALLOC, which is how Alexey Dobriyan saw this problem) Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Acked-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 12 Jan, 2006 25 commits
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Linus Torvalds authored
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John W. Linville authored
At least some versions of the via-velocity hardware only support checksumming IPv4 frames in hardware. However, the driver is currently setting the NETIF_F_HW_CSUM flag, which indicates support for more than just IPv4. This results in errors when trying to use IPv6 over via-velocity hardware. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Johannes Berg authored
The comments in ieee80211.h claim that one doesn't need to set the len parameter of the stats struct. But if one doesn't, the management frames are read far over the memory they actually occupy causing badness. Signed-Off-By: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Jay Vosburgh authored
I believe I see the race Michael refers to (tlb_choose_channel may set head, which tlb_init_slave clears), although I was not able to reproduce it. I have updated his patch for the current netdev-2.6.git tree and added a version update. His original comment follows: Our systems have been crashing during testing of PCI HotPlug support in the various networking components. We've faulted in the bonding driver due to a bug in bond_alb.c:tlb_clear_slave() In that routine, the last modification to the TLB hash table is made without protection of the lock, allowing a race that can lead tlb_choose_channel() to select an invalid table element. -J Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Dan Williams authored
This patch allows the Atmel driver to work correctly with wpa_supplicant and other programs that require some conformance with WEXT-18. It should not affect current behavior of the driver. The patch does four things: 1) Implements SIOCSIWENCODEEXT, SIOCGIWENCODEEXT, SIOCSIWAUTH, and SIOCGIWAUTH calls for unencrypted and WEP operation 2) Accepts zero-filled addresses for SIOCSIWAP, which are legal and should turn off any previous forced WAP address 3) Sends association and de-association events to userspace at most of the appropriate times 4) Fixes erroneous order of CIPHER_SUITE_WEP_* arguments in one location which are actually unused anyway Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Eric Sesterhenn / snakebyte authored
Replace the MODULE_PARM usage in uli526x.c with module_param. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Kumar Gala authored
Make the driver produce the string used by phy_connect and have board specific code pass the integer mii bus id and phy device id for the specific controller instance. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Kumar Gala authored
Add the PHY_ID_FMT macro to ensure that the format of the id string used by a driver to match to its specific phy is consistent between the mdio_bus and the driver. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Kumar Gala authored
We can now have the gianfar mii platform device have a proper resource for the IO memory region for its registers. Previously we passed this information that the platform_data structure because we couldn't handle overlapping memory regions for platform devices. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Kumar Gala authored
Missing include of <linux/in.h> to get definition of IPPROTO_UDP. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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dann frazier authored
airo.c currently has MICSUPPORT enabled, which requires CONFIG_CRYPTO. A user reported a build failure which is due to the lack of a Kconfig dependency. See http://bugs.debian.org/344205. This patch makes Kconfig enforce this dependency. Signed-off-by: dann frazier <dannf@debian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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ODonnell, Michael authored
We have identified two related bugs in the e100 driver. Both bugs are related to manipulation of the MDI control register. The first problem is that the Ready bit is being ignored when writing to the Control register; we noticed this because the Linux bonding driver would occasionally come to the spurious conclusion that the link was down when querying Link State. It turned out that by failing to wait for a previous command to complete it was selecting what was essentially a random register in the MDI register set. When we added code that waits for the Ready bit (as shown in the patch file below) all such problems ceased. The second problem is that, although access to the MDI registers involves multiple steps which must not be intermixed, nothing was defending against two or more threads attempting simultaneous access. The most obvious situation where such interference could occur involves the watchdog versus ioctl paths, but there are probably others, so we recommend the locking shown in our patch file. Signed-off-by: Michael O'Donnell <Michael.ODonnell@stratus.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: John Ronciak <john.ronciak@intel.com> Cc: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Linus Torvalds authored
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Linus Torvalds authored
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Linus Torvalds authored
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Jens Axboe authored
There's a problem with the REQ_BLOCK_PC handling as well (bad ->data_len handling) where it could actually complete a request ahead of time. I suggest we just back this out for now, I will resubmit it later when I'm fully confident in it. This reverts commit 8672d571Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Arjan van de Ven authored
Turn several drivers/serial/ semaphores-used-as-mutex into mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Arjan van de Ven authored
convert mfd and mmc to mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Arjan van de Ven authored
The arm clock semaphores are strict mutexes, convert them to the new mutex implementation Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds authored
Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Dominik Brodowski authored
With the "power/state" sysfs interface being deprecated, make another one available which is compatible to what was discussed on the linux PM mailinglist. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Dominik Brodowski authored
Add IDs for Sierra Aircard 55 CDMA 1xrtt Modem -- a CIS update is required for this card. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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