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2010-01-15xfs: Replace per-ag array with a radix treeDave Chinner8-90/+86
The use of an array for the per-ag structures requires reallocation of the array when growing the filesystem. This requires locking access to the array to avoid use after free situations, and the locking is difficult to get right. To avoid needing to reallocate an array, change the per-ag structures to an allocated object per ag and index them using a tree structure. The AGs are always densely indexed (hence the use of an array), but the number supported is 2^32 and lookups tend to be random and hence indexing needs to scale. A simple choice is a radix tree - it works well with this sort of index. This change also removes another large contiguous allocation from the mount/growfs path in XFS. The growing process now needs to change to only initialise the new AGs required for the extra space, and as such only needs to exclusively lock the tree for inserts. The rest of the code only needs to lock the tree while doing lookups, and hence this will remove all the deadlocks that currently occur on the m_perag_lock as it is now an innermost lock. The lock is also changed to a spinlock from a read/write lock as the hold time is now extremely short. To complete the picture, the per-ag structures will need to be reference counted to ensure that we don't free/modify them while they are still in use. This will be done in subsequent patch. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: convert remaining direct references to m_peragDave Chinner4-15/+42
Convert the remaining direct lookups of the per ag structures to use get/put accesses. Ensure that the loops across AGs and prior users of the interface balance gets and puts correctly. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Convert filestreams code to use per-ag get/put routinesDave Chinner2-10/+36
Use xfs_perag_get() and xfs_perag_put() in the filestreams code. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Don't directly reference m_perag in allocation codeDave Chinner2-38/+53
Start abstracting the perag references so that the indexing of the structures is not directly coded into all the places that uses the perag structures. This will allow us to separate the use of the perag structure and the way it is indexed and hence avoid the known deadlocks related to growing a busy filesystem. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: rename xfs_get_peragDave Chinner4-21/+27
xfs_get_perag is really getting the perag that an inode belongs to based on it's inode number. Convert the use of this function to just get the perag from a provided ag number. Use this new function to obtain the per-ag structure when traversing the per AG inode trees for sync and reclaim. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Don't wake xfsbufd when idleDave Chinner1-5/+15
The xfsbufd wakes every xfsbufd_centisecs (once per second by default) for each filesystem even when the filesystem is idle. If the xfsbufd has nothing to do, put it into a long term sleep and only wake it up when there is work pending (i.e. dirty buffers to flush soon). This will make laptop power misers happy. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Don't wake the aild once per secondDave Chinner2-12/+14
Now that the AIL push algorithm is traversal safe, we don't need a watchdog function in the xfsaild to catch pushes that fail to make progress. Remove the watchdog timeout and make pushes purely driven by demand. This will remove the once-per-second wakeup that is seen when the filesystem is idle and make laptop power misers happy. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Use list_heads for log recovery item listsDave Chinner2-147/+81
Remove the roll-your-own linked list operations. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: make several more functions staticEric Sandeen10-17/+7
Just minor housekeeping, a lot more functions can be trivially made static; others could if we reordered things a bit... Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: clean up inconsistent variable naming in xfs_swap_extentDave Chinner2-19/+22
The swap extent ioctl passes in a target inode and a temporary inode which are clearly named in the ioctl structure. The code then assigns temp to target and vice versa, making it extremely difficult to work out which inode is which later in the code. Make this consistent throughout the code. Also make xfs_swap_extent static as there are no external users of the function. Signed-off-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: add tracing to xfs_swap_extentsDave Chinner2-0/+58
To be able to diagnose whether the swap extents function is detecting compatible inode data fork configurations for swapping extents, add tracing points to the code to allow us to see the format of the inode forks before and after the swap. Signed-off-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: xfs_swap_extents needs to handle dynamic fork offsetsDave Chinner1-16/+90
When swapping extents, we can corrupt inodes by swapping data forks that are in incompatible formats. This is caused by the two indoes having different fork offsets due to the presence of an attribute fork on an attr2 filesystem. xfs_fsr tries to be smart about setting the fork offset, but the trick it plays only works on attr1 (old fixed format attribute fork) filesystems. Changing the way xfs_fsr sets up the attribute fork will prevent this situation from ever occurring, so in the kernel code we can get by with a preventative fix - check that the data fork in the defragmented inode is in a format valid for the inode it is being swapped into. This will lead to files that will silently and potentially repeatedly fail defragmentation, so issue a warning to the log when this particular failure occurs to let us know that xfs_fsr needs updating/fixing. To help identify how to improve xfs_fsr to avoid this issue, add trace points for the inodes being swapped so that we can determine why the swap was rejected and to confirm that the code is making the right decisions and modifications when swapping forks. A further complication is even when the swap is allowed to proceed when the fork offset is different between the two inodes then value for the maximum number of extents the data fork can hold can be wrong. Make sure these are also set correctly after the swap occurs. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: fix missing error check in xfs_rtfree_rangeDave Chinner1-0/+2
When xfs_rtfind_forw() returns an error, the block is returned uninitialised. xfs_rtfree_range() is not checking the error return, so could be using an uninitialised block number for modifying bitmap summary info. The problem was found by gcc when compiling the *userspace* libxfs code - it is an copy of the kernel code with the exact same bug. gcc gives an uninitialised variable warning on the userspace code but not on the kernel code. You gotta love the consistency (Mmmm, slightly chewy today!). Signed-off-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: fix stale inode flush avoidanceDave Chinner1-6/+15
When reclaiming stale inodes, we need to guarantee that inodes are unpinned before returning with a "clean" status. If we don't we can reclaim inodes that are pinned, leading to use after free in the transaction subsystem as transactions complete. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Remove inode iolock held check during allocationDave Chinner1-1/+0
lockdep complains about a the lock not being initialised as we do an ASSERT based check that the lock is not held before we initialise it to catch inodes freed with the lock held. lockdep does this check for us in the lock initialisation code, so remove the ASSERT to stop the lockdep warning. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: reclaim all inodes by background tree walksDave Chinner1-8/+6
We cannot do direct inode reclaim without taking the flush lock to ensure that we do not reclaim an inode under IO. We check the inode is clean before doing direct reclaim, but this is not good enough because the inode flush code marks the inode clean once it has copied the in-core dirty state to the backing buffer. It is the flush lock that determines whether the inode is still under IO, even though it is marked clean, and the inode is still required at IO completion so we can't reclaim it even though it is clean in core. Hence the requirement that we need to take the flush lock even on clean inodes because this guarantees that the inode writeback IO has completed and it is safe to reclaim the inode. With delayed write inode flushing, we coul dend up waiting a long time on the flush lock even for a clean inode. The background reclaim already handles this efficiently, so avoid all the problems by killing the direct reclaim path altogether. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: Avoid inodes in reclaim when flushing from inode cacheDave Chinner1-13/+18
The reclaim code will handle flushing of dirty inodes before reclaim occurs, so avoid them when determining whether an inode is a candidate for flushing to disk when walking the radix trees. This is based on a test patch from Christoph Hellwig. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-15xfs: reclaim inodes under a write lockDave Chinner3-87/+71
Make the inode tree reclaim walk exclusive to avoid races with concurrent sync walkers and lookups. This is a version of a patch posted by Christoph Hellwig that avoids all the code duplication. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-12Linux 2.6.33-rc4v2.6.33-rc4Linus Torvalds1-1/+1
2010-01-12Merge git://git.infradead.org/battery-2.6Linus Torvalds1-0/+2
* git://git.infradead.org/battery-2.6: pmu_battery: Fix battery full reporting
2010-01-12[SCSI] megaraid_sas: remove sysfs poll_mode_io world writeable permissionsBryn M. Reeves1-1/+1
/sys/bus/pci/drivers/megaraid_sas/poll_mode_io defaults to being world-writable, which seems bad (letting any user affect kernel driver behavior). This turns off group and user write permissions, so that on typical production systems only root can write to it. Signed-off-by: Bryn M. Reeves <bmr@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-12Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linuxLinus Torvalds14-67/+309
* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: OMAP: DSS2: OMAPFB: fix crash when panel driver was not loaded OMAP: DSS2: Reject scaling settings when they cannot be supported OMAP: DSS2: Make check-delay-loops consistent OMAP: DSS2: OMAPFB: fix omapfb_free_fbmem() video/omap: add __init/__exit macros to drivers/video/omap/lcd_htcherald.c OMAP: DSS2: Fix compile warning MAINTAINERS: Combine DSS2 and OMAPFB2 into one entry MAINTAINERS: change omapfb maintainer OMAP: OMAPFB: add dummy release function for omapdss OMAP: OMAPFB: fix clk_get for RFBI OMAP: DSS2: RFBI: convert to new kfifo API OMAP: DSS2: Fix crash when panel doesn't define enable_te() OMAP: DSS2: Collect interrupt statistics OMAP: DSS2: DSI: print debug DCS cmd in hex OMAP: DSS2: DSI: fix VC channels in send_short and send_null
2010-01-12lib: Introduce generic list_sort functionDave Chinner5-182/+119
There are two copies of list_sort() in the tree already, one in the DRM code, another in ubifs. Now XFS needs this as well. Create a generic list_sort() function from the ubifs version and convert existing users to it so we don't end up with yet another copy in the tree. Signed-off-by: Dave Chinner <david@fromorbit.com> Acked-by: Dave Airlie <airlied@redhat.com> Acked-by: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-12remove my email address from checkpatch.Dave Jones1-1/+1
Maybe this will stop people emailing me about it. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-12Merge branch 'upstream-linus' of ↵Linus Torvalds4-9/+36
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: retry link resume if necessary ata_piix: enable 32bit PIO on SATA piix sata_promise: don't classify overruns as HSM errors
2010-01-12Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds30-56/+183
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: Ensure ARMv6/7 mm files are built using appropriate assembler options ARM: Fix wrong dmb ARM: 5874/1: serial21285: fix disable_irq-from-interrupt-handler deadlock ARM: 5873/1: ARM: Fix the reset logic for ARM RealView boards ARM: 5872/1: ARM: include needed linux/cpu.h in asm/cpu.h ARM: 5871/1: arch/arm: Fix build failure for lpd7a404_defconfig caused by missing includes ARM: 5870/1: arch/arm: Fix build failure for defconfigs without CONFIG_ISA_DMA_API set ARM: 5868/1: ARM: fix "BUG: using smp_processor_id() in preemptible code" ARM: 5867/1: Update U300 defconfig ARM: 5866/1: arm ptrace: use unsigned types for kernel pt_regs [ARM] pxa: fix strange characters in zaurus gpio .desc ARM: add missing recvmmsg syscall number [ARM] pxa: fix compiler warnings of unused variable 'id' in cpu_is_pxa9*() [ARM] pxa: update pwm_backlight->notify() to include missed 'struct device *' [ARM] pxa: enable L2 if present in XSC3 [ARM] pxa: do not enable L2 after MMU is enabled
2010-01-12Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds25-354/+134
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (22 commits) MIPS: Ignore vmlinux.* MIPS: Move vmlinux.ecoff to arch/mips/boot MIPS: cpumask_of_node() should handle -1 as a node MIPS: Octeon: Use non-overflowing arithmetic in sched_clock MIPS: Malta, PowerTV: Remove unnecessary "Linux started" MIPS: BCM63xx: Remove duplicate CONFIG_CMDLINE. MIPS: AR7: Remove unused prom_getchar() MIPS: PowerTV: Remove extra r4k_clockevent_init() call MIPS: Cobalt use strlcat() for the command line arguments MIPS: Octeon: Add sched_clock() to csrc-octeon.c MIPS: TXx9: Cleanup builtin-cmdline processing MIPS: PowerTV: simplify prom_init_cmdline() and merge into prom_init() MIPS: PowerTV: Remove unused platform_die() MIPS: PowerTV: Remove mips_machine_halt() MIPS: PowerTV: Remove unused ptv_memsize MIPS: PowerTV: Remove unused prom_getcmdline() MIPS: AR7: Remove kgdb_enabled MIPS: Alchemy: Correct code taking the size of a pointer MIPS: BCM63xx: Fix whitespace damaged board_bcm963xx.c MIPS: VR41xx: Use strlcat() for the command line arguments ...
2010-01-12Merge branch 'for-linus' of ↵Linus Torvalds12-17/+38
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix ALC861-VD capture source mixer ALSA: ac97: add AC97 STMicroelectronics' codecs ALSA: ac97: Add Dell Dimension 2400 to Headphone/Line Jack Sense blacklist ASoC: Fix WM8350 DSP mode B configuration sbawe: fix memory detection part 2 sound: oss: off by one bug ALSA: usb-audio - Avoid Oops after disconnect ALSA: test off by one in setsamplerate() ALSA: atiixp: Specify codec for Foxconn RC4107MA-RS2
2010-01-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds59-313/+526
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (56 commits) sky2: Fix oops in sky2_xmit_frame() after TX timeout Documentation/3c509: document ethtool support af_packet: Don't use skb after dev_queue_xmit() vxge: use pci_dma_mapping_error to test return value netfilter: ebtables: enforce CAP_NET_ADMIN e1000e: fix and commonize code for setting the receive address registers e1000e: e1000e_enable_tx_pkt_filtering() returns wrong value e1000e: perform 10/100 adaptive IFS only on parts that support it e1000e: don't accumulate PHY statistics on PHY read failure e1000e: call pci_save_state() after pci_restore_state() netxen: update version to 4.0.72 netxen: fix set mac addr netxen: fix smatch warning netxen: fix tx ring memory leak tcp: update the netstamp_needed counter when cloning sockets TI DaVinci EMAC: Handle emac module clock correctly. dmfe/tulip: Let dmfe handle DM910x except for SPARC on-board chips ixgbe: Fix compiler warning about variable being used uninitialized netfilter: nf_ct_ftp: fix out of bounds read in update_nl_seq() mv643xx_eth: don't include cache padding in rx desc buffer size ... Fix trivial conflict in drivers/scsi/cxgb3i/cxgb3i_offload.c
2010-01-12m68knommu: fix definitions of __pa() and __va()Greg Ungerer3-15/+7
Fix compilation breakage of all m68knommu targets: CC arch/m68knommu/kernel/asm-offsets.s In file included from include/linux/sched.h:77, from arch/m68knommu/kernel/asm-offsets.c:12: include/linux/percpu.h: In function 'per_cpu_ptr_to_phys': include/linux/percpu.h:161: error: implicit declaration of function 'virt_to_phy This is broken in linux-2.6.33-rc3. Change the definitions of __pa() and __va() to not use virt_to_phys() and phys_to_virt(). Trivial 1:1 conversion required for the non-MMU case. A side effect if this is that the m68knommu can now use asm/virtconvert.h for the definition of virt_to_phys() and phys_to_virt(). Also cleaned up the definition of page_to_phys() when moving into virtconvert.h. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-12libata: retry link resume if necessaryTejun Heo2-7/+34
Interestingly, when SIDPR is used in ata_piix, writes to DET in SControl sometimes get ignored leading to detection failure. Update sata_link_resume() such that it reads back SControl after clearing DET and retry if it's not clear. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: fengxiangjun <fengxiangjun@neusoft.com> Reported-by: Jim Faulkner <jfaulkne@ccs.neu.edu> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-01-12ata_piix: enable 32bit PIO on SATA piixTejun Heo1-1/+1
Commit 871af1210f13966ab911ed2166e4ab2ce775b99d enabled 32bit PIO for PATA piix but didn't for SATA. There's no reason not to use 32bit PIO on SATA piix. Enable it. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-01-12sata_promise: don't classify overruns as HSM errorsMikael Pettersson1-1/+1
When sata_promise encounters an overrun or underrun error it translates that to a libata AC_ERR_HSM, causing a hard reset. Since over/under-runs were thought to be rare and transient, this action seemed reasonable. Unfortunately it turns out that the controller throws overrun errors when e.g. hal polls a CD or DVD writer containing blank media, causing long sequences of hard resets and retries before EH finally gives up. This patch updates sata_promise to classify over/under-runs as AC_ERR_OTHER instead. This allows libata EH and upper layers to retry or fail the operation as they see fit without the disruption caused by repeated hard resets. This fixes a problem using a DVD-RAM drive with sata_promise, reported by Thomas Schorpp. I also tested it on a DVD-RW drive. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Tested-by: thomas schorpp <thomas.schorpp@googlemail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-01-12ARM: Ensure ARMv6/7 mm files are built using appropriate assembler optionsRussell King1-0/+12
A kernel with both ARMv6 and ARMv7 selected results in build errors. Fix this by specifying the proper architectures for these assembly files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-01-12ARM: Fix wrong dmbRussell King1-3/+1
The __kuser_cmpxchg code uses an ARMv6 dmb instruction, rather than one based upon the architecture being built for. Switch to using the macro provided for this purpose, which also eliminates the need for an ifdef. Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-01-12MIPS: Ignore vmlinux.*Yoichi Yuasa1-0/+1
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips <linux-mips@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/795/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: Move vmlinux.ecoff to arch/mips/bootYoichi Yuasa1-1/+1
It moves to the same directory as the boot files in other formats. Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips <linux-mips@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/796/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: cpumask_of_node() should handle -1 as a nodeAnton Blanchard1-1/+3
pcibus_to_node can return -1 if we cannot determine which node a pci bus is on. If passed -1, cpumask_of_node will negatively index the lookup array and pull in random data: # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpus 00000000,00000003,00000000,00000000 # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpulist 64-65 Change cpumask_of_node to check for -1 and return cpu_all_mask in this case: # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpus ffffffff,ffffffff,ffffffff,ffffffff # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpulist 0-127 Signed-off-by: Anton Blanchard <anton@samba.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andrew Morton <akpm@linux-foundation.org> Patchwork: http://patchwork.linux-mips.org/patch/831/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: Octeon: Use non-overflowing arithmetic in sched_clockDavid Daney1-3/+28
With typical mult and shift values, the calculation for Octeon's sched_clock overflows when using 64-bit arithmetic. Use 128-bit calculations instead. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/849/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: Malta, PowerTV: Remove unnecessary "Linux started"Yoichi Yuasa3-7/+0
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/813/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: BCM63xx: Remove duplicate CONFIG_CMDLINE.Yoichi Yuasa1-3/+0
Builtin cmdline is copied by arch_mem_init(). Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/812/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: AR7: Remove unused prom_getchar()Yoichi Yuasa1-7/+0
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/811/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: PowerTV: Remove extra r4k_clockevent_init() callDavid VomLehn1-1/+0
A call to r4k_clocksource_init() was added to plat_time_init(), but when init_mips_clock_source() calls the same function, boot fails in clockevents_register_device(). This patch removes the extraneous call. Signed-off-by: David VomLehn <dvomlehn@cisco.com> Patchwork: http://patchwork.linux-mips.org/patch/803/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: Cobalt use strlcat() for the command line argumentsYoichi Yuasa1-16/+8
Tested with CoLo v1.22 Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/807/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: Octeon: Add sched_clock() to csrc-octeon.cDavid Daney1-0/+7
With the advent of function graph tracing on MIPS, Octeon needs a high precision sched_clock() implementation. Without it, most timing numbers are reported as 0.000. This new sched_clock just uses the 64-bit cycle counter appropriately scaled. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/805/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: TXx9: Cleanup builtin-cmdline processingAtsushi Nemoto1-21/+0
Since commit 898d357b5262f9e26bc2418e01f8676e80d9867e (lmo) / 6acc7d485c24c00e111c61b2e6dff9180faebcae (kernel.org) ("Fix and enhance built-in kernel command line") arcs_cmdline[] does not contain built-in command line. The commit introduce CONFIG_CMDLINE_BOOL and CONFIG_CMDLINE_OVERRIDE to control built-in command line, and now we can use them instead of platform-specific built-in command line processing. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Patchwork: http://patchwork.linux-mips.org/patch/802/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: PowerTV: simplify prom_init_cmdline() and merge into prom_init()Yoichi Yuasa4-56/+10
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/801/ Reviewed-by: David VomLehn <dvomlehn@cisco.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: PowerTV: Remove unused platform_die()Yoichi Yuasa1-21/+0
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/800/ Reviewed-by: David VomLehn <dvomlehn@cisco.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: PowerTV: Remove mips_machine_halt()Yoichi Yuasa1-18/+0
mips_machine_halt() is same as mips_machine_restart(). Also delete the registration of _machine_halt and pm_power_off because mips_machine_halt() is the restart function. Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/798/ Reviewed-by: David VomLehn <dvomlehn@cisco.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: PowerTV: Remove unused ptv_memsizeYoichi Yuasa1-5/+0
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/799/ Reviewed-by: David VomLehn <dvomlehn@cisco.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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