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2009-03-13ide-floppy: do not map dataless cmds to an sgBorislav Petkov
since it fails the virt_to_page() translation check with DEBUG_VIRTUAL enabled. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> [bart: backport to Linus' tree] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-13ata_piix: add workaround for Samsung DB-P70Tejun Heo
Samsung DB-P70 somehow botched the first ICH9 SATA port. The board doesn't expose the first port but somehow SStatus reports link online while failing SRST protocol leading to repeated probe failures and thus long boot delay. Because the BIOS doesn't carry any identifying DMI information, the port can't be blacklisted safely. Fortunately, the controller does have subsystem vendor and ID set. It's unclear whether the subsystem IDs are used only for the board but it can be safely worked around by disabling SIDPR access and just using SRST works around the problem. Even when the workaround is triggered on an unaffected board the only side effect will be missing SCR access. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Joseph Jang <josephjang@gmail.com> Reported-by: Jonghyon Sohn <mrsohn@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13libata: Keep shadow last_ctl up to date during resetsStuart MENEFY
libata keeps a shadow copy of the ATA CTL register (which is write only), and only writes to the hardware when the required value doesn't match the shadow. However this copy wasn't being maintained when performing reset functions. This could cause problems for the first operation after a reset when the correct value might not be written to the CTL register. This problem was observed when hotplugging a drive: the identify command was being issued with interrupts enabled, when they should have been disabled. Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13sata_mv: fix MSI irq race conditionMark Lord
Fix a (rare) race condition in mv_interrupt() when using MSI. The value of hpriv->main_irq_mask_addr can change on on the fly, and without this patch we could end up writing back a stale copy to the hardware. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-13qlge: bugfix: Pad outbound frames smaller than 60 bytes.Ron Mercer
With some asic configurations xmit of frames smaller than 60 bytes may fail. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Move netif_napi_del() to common call point.Ron Mercer
Moving netif_napi_del() up the call chain so it will get called from all exit points. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Tell hw to strip vlan header.Ron Mercer
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13qlge: bugfix: Increase filter on inbound csum.Ron Mercer
Chip does not do UDP checksum when fragmentation occurs. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13dnet: replace obsolete *netif_rx_* functions with *napi_*Ilya Yanok
*netif_rx_* functions is obsolete and removed in newer kernels so we need to use corresponding *napi_* functions instead. Signed-off-by: Ilya Yanok <yanok@emcraft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-13V4L/DVB (10978): Report tuning algorith correctlyMatthias Schwarzzot
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10977): STB6100 init fix, the call to stb6100_set_bandwidth needs ↵Hans Werner
an argument in Hz not kHz, and a comment incorrectly says MHz instead of Hz. I don't know if this caused real problems anywhere Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10976): Bug fix: For legacy applications stv0899 performs search ↵Igor M. Liplianin
only first time after insmod. For legacy applications stv0899 performs search only first time after insmod due to not set DVBFE_ALGO_SEARCH_AGAIN bit Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10975): Bug: Use signed types, Offsets and range can be negativeManu Abraham
Code simplification: use in kernel macros Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13V4L/DVB (10974): Use Diseqc 3/3 mode to send dataSigmund Augdal
Signed-off-by: Sigmund Augdal <sigmund@snap.tv> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-13parisc: update defconfigsKyle McMartin
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: define x->x mmio accessorsKyle McMartin
Bloody inconsiderate driver writers... Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: dino: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: convert cpu_check_affinity to new cpumask apiKyle McMartin
cpumask arg to the affinity function is now const, sort that out through the irq_desc implementations. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: convert (read|write)bwlq to inlinesKyle McMartin
Kills the 'value computed but not used' due to leX_to_cpu. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix use of new cpumask api in irq.cKyle McMartin
cpumask api needs to take a pointer to irq_desc[cpu].affinity Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: update parisc for new irq_descMike Travis
Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: update MAINTAINERSGrant Grundler
Signed-off-By: Grant Grundler <grundler@parisc-linux.org> Reviewed-by: Matthew Wilcox <matthew@wil.cx> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix wrong assumption about bus->selfGrant Grundler
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> posted a patch series to linux-pci to fix a wrong assumption about pci_bus->self==NULL for all PCI host bus controllers. While PARISC platforms to not behave this way, I prefer to have the code consistent across architectures. The following patch replaces pci_bus->self with pci_bus->parent when used as a test to check for "root bus controller". Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix 64bit buildHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: add braces around arguments in assembler macrosHelge Deller
Add braces around the macro arguments, else for example "shl %r1, 5-3, %r2" would not expand to what you would assume. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix dev_printk() compile warnings for accessing a device structHelge Deller
Fix compile warnings: drivers/scsi/zalon.c: In function `zalon_probe': drivers/scsi/zalon.c:140: warning: passing arg 1 of `dev_driver_string' from incompatible pointer type drivers/scsi/zalon.c:140: warning: passing arg 1 of `dev_name' from incompatible pointer type Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: remove unused local out_putf labelHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix `struct pt_regs' declared inside parameter list warningHelge Deller
Fix those compile warnings: uaccess.h:244: warning: `struct pt_regs' declared inside parameter list uaccess.h:244: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: fix section mismatch warningsHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: remove klist iteratorsJames Bottomley
commit 11c3b5c3e08f4d855cbef52883c266b9ab9df879 Author: Greg Kroah-Hartman <gregkh@suse.de> Date: Tue Dec 16 12:24:56 2008 -0800 driver core: move klist_children into private structure Broke our parisc build pretty badly because we touch the klists directly in three cases (AGP, SBA and GSC). Although GregKH will revert this patch, there's no reason we should be using the iterators directly, we can just move to the standard device_for_each_child() API. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Tested-by: Helge Deller <deller@gmx.de> Tested-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13parisc: BUG_ON() cleanupHelge Deller
- convert a few "if (xx) BUG();" to BUG_ON(xx) - remove a few printk()s, as we get a backtrace with BUG_ON() anyway Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2009-03-13ps3/block: Replace mtd/ps3vram by block/ps3vramGeert Uytterhoeven
Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block device driver. The ps3vram driver exposes unused video RAM on the PS3 as a block device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. The new driver is ca. 50% faster for reading, and ca. 10% for writing. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-03-13V4L/DVB (10972): zl10353: i2c_gate_ctrl bug fixAntti Palosaari
zl10353 i2c-gate was always closed and due to that devices having tuner behind i2c-gate were broken. Add module configuration which allows disabling i2c-gate only when really needed. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-03-12Linus 2.6.29-rc8Linus Torvalds
2009-03-12bitmap: fix end condition in bitmap_find_free_regionLinus Torvalds
Guennadi Liakhovetski noticed that the end condition for the loop in bitmap_find_free_region() is wrong, and the "return if error" was also using the wrong conditional that would only trigger if the bitmap was an exact multiple of the allocation size, which is not necessarily the case with dma_alloc_from_coherent(). Such a failure would end up in bitmap_find_free_region() accessing beyond the end of the bitmap. Reported-by: Guennadi Liakhovetski <lg@denx.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12ocfs2: Use xs->bucket to set xattr value outsideTao Ma
A long time ago, xs->base is allocated a 4K size and all the contents in the bucket are copied to the it. Now we use ocfs2_xattr_bucket to abstract xattr bucket and xs->base is initialized to the start of the bu_bhs[0]. So xs->base + offset will overflow when the value root is stored outside the first block. Then why we can survive the xattr test by now? It is because we always read the bucket contiguously now and kernel mm allocate continguous memory for us. We are lucky, but we should fix it. So just get the right value root as other callers do. Signed-off-by: Tao Ma <tao.ma@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-03-12ocfs2: Fix a bug found by sparse check.Tao Ma
We need to use le32_to_cpu to test rec->e_cpos in ocfs2_dinode_insert_check. Signed-off-by: Tao Ma <tao.ma@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-03-12ocfs2: tweak to get the maximum inline data size with xattrTiger Yang
Replace max_inline_data with max_inline_data_with_xattr to ensure it correct when xattr inlined. Signed-off-by: Tiger Yang <tiger.yang@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-03-12ocfs2: reserve xattr block for new directory with inline dataTiger Yang
If this is a new directory with inline data, we choose to reserve the entire inline area for directory contents and force an external xattr block. Signed-off-by: Tiger Yang <tiger.yang@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: remove unused -r option for module-init-tool depmod kbuild: fix 'make rpm' when CONFIG_LOCALVERSION_AUTO=y and using SCM tree kbuild: fix mkspec to cleanup RPM_BUILD_ROOT kbuild: fix C libary confusion in unifdef.c due to getline()
2009-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: cpumask: mm_cpumask for accessing the struct mm_struct's cpu_vm_mask. cpumask: tsk_cpumask for accessing the struct task_struct's cpus_allowed.
2009-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: Squashfs: Valid filesystems are flagged as bad by the corrupted fs patch
2009-03-12Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: (f75375s) Remove unnecessary and confusing initialization hwmon: (it87) Properly decode -128 degrees C temperature hwmon: (lm90) Document support for the MAX6648/6692 chips hwmon: (abituguru3) Fix I/O error handling
2009-03-12trivial: fix bad links in the ext2 and ext3 documentationJody McIntyre
Trivial patch to fix bad links in the ext2 and ext3 documentation. Signed-off-by: Jody McIntyre <scjody@sun.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12Merge branch 'fixes-20090312' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/willy/pci * 'fixes-20090312' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/pci: PCIe: portdrv: call pci_disable_device during remove pci: Fix typo in message while disabling HT MSI mapping pci: don't disable too many HT MSI mapping powerpc/pseries: The RPA PCI hotplug driver depends on EEH PCIe: AER: during disable, check subordinate before walking PCI: Add PCI quirk to disable L0s ASPM state for 82575 and 82598
2009-03-12RDMA/nes: Don't allow userspace QPs to use STag zeroFaisal Latif
STag zero is a special STag that allows consumers to access any bus address without registering memory. The nes driver unfortunately allows STag zero to be used even with QPs created by unprivileged userspace consumers, which means that any process with direct verbs access to the nes device can read and write any memory accessible to the underlying PCI device (usually any memory in the system). Such access is usually given for cluster software such as MPI to use, so this is a local privilege escalation bug on most systems running this driver. The driver was using STag zero to receive the last streaming mode data; to allow STag zero to be disabled for unprivileged QPs, the driver now registers a special MR for this data. Cc: <stable@kernel.org> Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12fs: new inode i_state corruption fixNick Piggin
There was a report of a data corruption http://lkml.org/lkml/2008/11/14/121. There is a script included to reproduce the problem. During testing, I encountered a number of strange things with ext3, so I tried ext2 to attempt to reduce complexity of the problem. I found that fsstress would quickly hang in wait_on_inode, waiting for I_LOCK to be cleared, even though instrumentation showed that unlock_new_inode had already been called for that inode. This points to memory scribble, or synchronisation problme. i_state of I_NEW inodes is not protected by inode_lock because other processes are not supposed to touch them until I_LOCK (and I_NEW) is cleared. Adding WARN_ON(inode->i_state & I_NEW) to sites where we modify i_state revealed that generic_sync_sb_inodes is picking up new inodes from the inode lists and passing them to __writeback_single_inode without waiting for I_NEW. Subsequently modifying i_state causes corruption. In my case it would look like this: CPU0 CPU1 unlock_new_inode() __sync_single_inode() reg <- inode->i_state reg -> reg & ~(I_LOCK|I_NEW) reg <- inode->i_state reg -> inode->i_state reg -> reg | I_SYNC reg -> inode->i_state Non-atomic RMW on CPU1 overwrites CPU0 store and sets I_LOCK|I_NEW again. Fix for this is rather than wait for I_NEW inodes, just skip over them: inodes concurrently being created are not subject to data integrity operations, and should not significantly contribute to dirty memory either. After this change, I'm unable to reproduce any of the added warnings or hangs after ~1hour of running. Previously, the new warnings would start immediately and hang would happen in under 5 minutes. I'm also testing on ext3 now, and so far no problems there either. I don't know whether this fixes the problem reported above, but it fixes a real problem for me. Cc: "Jorge Boncompte [DTI2]" <jorge@dti2.net> Reported-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Cc: Jan Kara <jack@suse.cz> Cc: <stable@kernel.org> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12memcg: use correct scan number at reclaimKOSAKI Motohiro
Even when page reclaim is under mem_cgroup, # of scan page is determined by status of global LRU. Fix that. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12mfd: add support for WM8351 revision BMark Brown
No software visible difference from revision A. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Samuel Ortiz <sameo@openedhand.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-12acer-wmi: fix regression in backlight detectionMichael Spang
Currently we disable the Acer WMI backlight device if there is no ACPI backlight device. As a result, we end up with no backlight device at all. We should instead disable it if there is an ACPI device, as the other laptop drivers do. This regression was introduced in febf2d9 ("Acer-WMI: fingers off backlight if video.ko is serving this functionality"). Each laptop driver with backlight support got a similar change around febf2d9. The changes to the other drivers look correct; see e.g. a598c82f for a similar but correct change. The regression is also in 2.6.28. Signed-off-by: Michael Spang <mspang@csclub.uwaterloo.ca> Acked-by: Thomas Renninger <trenn@suse.de> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Carlos Corbacho <carlos@strangeworlds.co.uk> Cc: Len Brown <len.brown@intel.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: <stable@kernel.org> [2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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