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2009-06-01xfs: fix double unlock in xfs_swap_extents()Felix Blyakher1-3/+5
Regreesion from commit ef8f7fc, which rearranged the code in xfs_swap_extents() leading to double unlock of xfs inode ilock. That resulted in xfs_fsr deadlocking itself on platforms, which don't handle double unlock of rw_semaphore nicely. It caused the count go negative, which represents the write holder, without really having one. ia64 is one of the platforms where deadlock was easily reproduced and the fix was tested. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-04-30xfs: fix getbmap vs mmap deadlockChristoph Hellwig1-17/+35
xfs_getbmap (or rather the formatters called by it) copy out the getbmap structures under the ilock, which can deadlock against mmap. This has been reported via bugzilla a while ago (#717) and has recently also shown up via lockdep. So allocate a temporary buffer to format the kernel getbmap structures into and then copy them out after dropping the locks. A little problem with this is that we limit the number of extents we can copy out by the maximum allocation size, but I see no real way around that. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-04-30xfs: a couple getbmap cleanupsChristoph Hellwig1-83/+79
- reshuffle various conditionals for data vs attr fork to make the code more readable - do fine-grainded goto-based error handling - exit early from conditionals instead of keeping a long else branch around - allow kmem_alloc to fail Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-04-30xfs: add more checks to superblock validationOlaf Weber1-0/+3
There had been reports where xfs filesystem was randomly corrupted with fsfuzzer, and xfs failed to handle it gracefully. This patch fixes couple of reported problem by providing additional checks in the superblock validation routine. Signed-off-by: Olaf Weber <olaf@sgi.com> Reviewed-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-04-30xfs_file_last_byte() needs to acquire ilockLachlan McIlroy1-0/+2
We had some systems crash with this stack: [<a00000010000cb20>] ia64_leave_kernel+0x0/0x280 [<a00000021291ca00>] xfs_bmbt_get_startoff+0x0/0x20 [xfs] [<a0000002129080b0>] xfs_bmap_last_offset+0x210/0x280 [xfs] [<a00000021295b010>] xfs_file_last_byte+0x70/0x1a0 [xfs] [<a00000021295b200>] xfs_itruncate_start+0xc0/0x1a0 [xfs] [<a0000002129935f0>] xfs_inactive_free_eofblocks+0x290/0x460 [xfs] [<a000000212998fb0>] xfs_release+0x1b0/0x240 [xfs] [<a0000002129ad930>] xfs_file_release+0x70/0xa0 [xfs] [<a000000100162ea0>] __fput+0x1a0/0x420 [<a000000100163160>] fput+0x40/0x60 The problem here is that xfs_file_last_byte() does not acquire the inode lock and can therefore race with another thread that is modifying the extext list. While xfs_bmap_last_offset() is trying to lookup what was the last extent some extents were merged and the extent list shrunk so the index we lookup is now beyond the end of the extent list and potentially in a freed buffer. Signed-off-by: Lachlan McIlroy <lmcilroy@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-04-09Merge branch 'master' into for-linusFelix Blyakher13-161/+180
2009-04-06xfs: remove xfs_flush_spaceDave Chinner2-48/+16
The only thing we need to do now when we get an ENOSPC condition during delayed allocation reservation is flush all the other inodes with delalloc blocks on them and retry without EOF preallocation. Remove the unneeded mess that is xfs_flush_space() and just call xfs_flush_inodes() directly from xfs_iomap_write_delay(). Also, change the location of the retry label to avoid trying to do EOF preallocation because we don't want to do that at ENOSPC. This enables us to remove the BMAPI_SYNC flag as it is no longer used. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: flush delayed allcoation blocks on ENOSPC in createDave Chinner1-0/+7
If we are creating lots of small files, we can fail to get a reservation for inode create earlier than we should due to EOF preallocation done during delayed allocation reservation. Hence on the first reservation ENOSPC failure flush all the delayed allocation blocks out of the system and retry. This fixes the last commonly triggered spurious ENOSPC issue that has been reported. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: block callers of xfs_flush_inodes() correctlyDave Chinner2-3/+10
xfs_flush_inodes() currently uses a magic timeout to wait for some inodes to be flushed before returning. This isn't really reliable but used to be the best that could be done due to deadlock potential of waiting for the entire flush. Now the inode flush is safe to execute while we hold page and inode locks, we can wait for all the inodes to flush synchronously. Convert the wait mechanism to a completion to do this efficiently. This should remove all remaining spurious ENOSPC errors from the delayed allocation reservation path. This is extracted almost line for line from a larger patch from Mikulas Patocka. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: make inode flush at ENOSPC synchronousDave Chinner4-28/+18
When we are writing to a single file and hit ENOSPC, we trigger a background flush of the inode and try again. Because we hold page locks and the iolock, the flush won't proceed until after we release these locks. This occurs once we've given up and ENOSPC has been reported. Hence if this one is the only dirty inode in the system, we'll get an ENOSPC prematurely. To fix this, remove the async flush from the allocation routines and move it to the top of the write path where we can do a synchronous flush and retry the write again. Only retry once as a second ENOSPC indicates that we really are ENOSPC. This avoids a page cache deadlock when trying to do this flush synchronously in the allocation layer that was identified by Mikulas Patocka. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: use xfs_sync_inodes() for device flushingDave Chinner5-30/+38
Currently xfs_device_flush calls sync_blockdev() which is a no-op for XFS as all it's metadata is held in a different address to the one sync_blockdev() works on. Call xfs_sync_inodes() instead to flush all the delayed allocation blocks out. To do this as efficiently as possible, do it via two passes - one to do an async flush of all the dirty blocks and a second to wait for all the IO to complete. This requires some modification to the xfs-sync_inodes_ag() flush code to do efficiently. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: inform the xfsaild of the push target before sleepingDave Chinner1-18/+19
When trying to reserve log space, we find the amount of space we need, then go to sleep waiting for space. When we are woken, we try to push the tail of the log forward to make sure we have space available. Unfortunately, this means that if there is not space available, and everyone who needs space goes to sleep there is no-one left to push the tail of the log to make space available. Once we have a thread waiting for space to become available, the others queue up behind it in a FIFO, and none of them push the tail of the log. This can result in everyone going to sleep in xlog_grant_log_space() if the first sleeper races with the last I/O that moves the tail of the log forward. With no further I/O tomove the tail of the log, there is nothing to wake the sleepers and hence all transactions just stop. Fix this by making sure the xfsaild will create enough space for the transaction that is about to sleep by moving the push target far enough forwards to ensure that that the curent proceeees will have enough space available when it is woken. That is, we push the AIL before we go to sleep. Because we've inserted the log ticket into the queue before we've pushed and gone to sleep, subsequent transactions will wait behind this one. Hence we are guaranteed to have space available when we are woken. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: prevent unwritten extent conversion from blocking I/O completionDave Chinner3-17/+31
Unwritten extent conversion can recurse back into the filesystem due to memory allocation. Memory reclaim requires I/O completions to be processed to allow the callers to make progress. If the I/O completion workqueue thread is doing the recursion, then we have a deadlock situation. Move unwritten extent completion into it's own workqueue so it doesn't block I/O completions for normal delayed allocation or overwrite data. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: fix double free of inodeDave Chinner1-9/+14
If we fail to initialise the VFS inode in inode_init_always(), it will call ->delete_inode internally resulting in the inode being freed. Hence we need to delay the call to inode_init_always() until after the XFS inode is sufficient set up to handle a call to ->delete_inode, and then if that fails do not touch the inode again at all as it has been freed. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-06xfs: validate log feature fields correctlyDave Chinner1-11/+30
If the large log sector size feature bit is set in the superblock by accident (say disk corruption), the then fields that are now considered valid are not checked on production kernels. The checks are present as ASSERT statements so cause a panic on a debug kernel. Change this so that the fields are validity checked if the feature bit is set and abort the log mount if the fields do not contain valid values. Reported-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-04-01Merge branch 'master' of ↵Felix Blyakher534-13674/+20565
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
2009-04-01Merge branch 'release' of ↵Linus Torvalds61-290/+3188
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (29 commits) [IA64] BUG to BUG_ON changes [IA64] Fix typo/thinko in arch/ia64/sn/kernel/sn2/sn2_smp.c ia64: remove some warnings. ia64/xen: fix the link error. ia64/pv_ops/bp/xen: implemented binary patchable pv_cpu_ops. ia64/pv_ops/binary patch: define paravirt_dv_serialize_data() and suppress false positive warning. ia64/pv_ops/bp/module: support binary patching for kernel module. ia64/pv_ops: implement binary patching optimization for native. ia64/pv_op/binarypatch: add helper functions to support binary patching for paravirt_ops. ia64/pv_ops/xen/gate.S: xen gate page paravirtualization ia64/pv_ops: paravirtualize gate.S. ia64/pv_ops: move down __kernel_syscall_via_epc. ia64/pv_ops/xen: define xen specific gate page. ia64/pv_ops: gate page paravirtualization. ia64/pv_ops/xen/pv_time_ops: implement sched_clock. ia64/pv_ops/pv_time_ops: add sched_clock hook. ia64/pv_ops/xen: paravirtualize read/write ar.itc and ar.itm ia64/pv_ops: paravirtualize mov = ar.itc. ia64/pv_ops/pvchecker: support mov = ar.itc paravirtualization ia64/pv_ops: paravirtualize fsys.S. ...
2009-04-01Merge branch 'x86-setup-for-linus' of ↵Linus Torvalds1-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: guard against pre-ACPI 3 e820 code not updating %ecx
2009-04-01qeth: properly delete empty files.Linus Torvalds2-0/+0
Commit 64ef8957986f6a04f61e7c95fa6ffeb3a86a6661 ("qeth: remove EDDP") removed the qeth_core_offl.[hc] files, but ended up doing so by just patching them to zero size, rather than removing them properly. Actually remove the files. Reported-by: Andrew Price <andy@andrewprice.me.uk> Cc: Frank Blaschka <frank.blaschka@de.ibm.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01x86, setup: guard against pre-ACPI 3 e820 code not updating %ecxH. Peter Anvin1-0/+6
Impact: BIOS bug safety For pre-ACPI 3 BIOSes, pre-initialize the end of the e820 buffer just in case the BIOS returns an unchanged %ecx but without actually touching the ACPI 3 extended flags field. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-04-01Merge branch 'x86/setup' of ↵Linus Torvalds1-9/+24
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86/setup' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: ACPI 3, BIOS workaround for E820-probing code x86, setup: preemptively save/restore edi and ebp around INT 15 E820 x86, setup: mark %esi as clobbered in E820 BIOS call
2009-04-01Merge branch 'for-linus' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds39-845/+1178
* 'for-linus' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (58 commits) SUNRPC: Ensure IPV6_V6ONLY is set on the socket before binding to a port NSM: Fix unaligned accesses in nsm_init_private() NFS: Simplify logic to compare socket addresses in client.c NFS: Start PF_INET6 callback listener only if IPv6 support is available lockd: Start PF_INET6 listener only if IPv6 support is available SUNRPC: Remove CONFIG_SUNRPC_REGISTER_V4 SUNRPC: rpcb_register() should handle errors silently SUNRPC: Simplify kernel RPC service registration SUNRPC: Simplify svc_unregister() SUNRPC: Allow callers to pass rpcb_v4_register a NULL address SUNRPC: rpcbind actually interprets r_owner string SUNRPC: Clean up address type casts in rpcb_v4_register() SUNRPC: Don't return EPROTONOSUPPORT in svc_register()'s helpers SUNRPC: Use IPv4 loopback for registering AF_INET6 kernel RPC services SUNRPC: Set IPV6ONLY flag on PF_INET6 RPC listener sockets NFS: Revert creation of IPv6 listeners for lockd and NFSv4 callbacks SUNRPC: Remove @family argument from svc_create() and svc_create_pooled() SUNRPC: Change svc_create_xprt() to take a @family argument SUNRPC: svc_setup_socket() gets protocol family from socket SUNRPC: Pass a family argument to svc_register() ...
2009-04-01Merge branch 'for_linus' of ↵Linus Torvalds23-600/+1224
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (33 commits) ext4: Regularize mount options ext4: fix locking typo in mballoc which could cause soft lockup hangs ext4: fix typo which causes a memory leak on error path jbd2: Update locking coments ext4: Rename pa_linear to pa_type ext4: add checks of block references for non-extent inodes ext4: Check for an valid i_mode when reading the inode from disk ext4: Use WRITE_SYNC for commits which are caused by fsync() ext4: Add auto_da_alloc mount option ext4: Use struct flex_groups to calculate get_orlov_stats() ext4: Use atomic_t's in struct flex_groups ext4: remove /proc tuning knobs ext4: Add sysfs support ext4: Track lifetime disk writes ext4: Fix discard of inode prealloc space with delayed allocation. ext4: Automatically allocate delay allocated blocks on rename ext4: Automatically allocate delay allocated blocks on close ext4: add EXT4_IOC_ALLOC_DA_BLKS ioctl ext4: Simplify delalloc code by removing mpage_da_writepages() ext4: Save stack space by removing fake buffer heads ...
2009-04-01Merge branch 'devel' into for-linusTrond Myklebust39-845/+1178
2009-04-01SUNRPC: Ensure IPV6_V6ONLY is set on the socket before binding to a portTrond Myklebust1-12/+24
Also ensure that we use the protocol family instead of the address family when calling sock_create_kern(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-04-01NSM: Fix unaligned accesses in nsm_init_private()Mans Rullgard1-2/+6
This fixes unaligned accesses in nsm_init_private() when creating nlm_reboot keys. Signed-off-by: Mans Rullgard <mans@mansr.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-04-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds24-1622/+2762
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: try to free metadata pages when we free btree blocks Btrfs: add extra flushing for renames and truncates Btrfs: make sure btrfs_update_delayed_ref doesn't increase ref_mod Btrfs: optimize fsyncs on old files Btrfs: tree logging unlink/rename fixes Btrfs: Make sure i_nlink doesn't hit zero too soon during log replay Btrfs: limit balancing work while flushing delayed refs Btrfs: readahead checksums during btrfs_finish_ordered_io Btrfs: leave btree locks spinning more often Btrfs: Only let very young transactions grow during commit Btrfs: Check for a blocking lock before taking the spin Btrfs: reduce stack in cow_file_range Btrfs: reduce stalls during transaction commit Btrfs: process the delayed reference queue in clusters Btrfs: try to cleanup delayed refs while freeing extents Btrfs: reduce stack usage in some crucial tree balancing functions Btrfs: do extent allocation and reference count updates in the background Btrfs: don't preallocate metadata blocks during btrfs_search_slot
2009-04-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds51-1336/+847
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (59 commits) ide-floppy: do not complete rq's prematurely ide: be able to build pmac driver without IDE built-in ide-pmac: IDE cable detection on Apple PowerBook ide: inline SELECT_DRIVE() ide: turn selectproc() method into dev_select() method (take 5) MAINTAINERS: move old ide-{floppy,tape} entries to CREDITS (take 2) ide: move data register access out of tf_{read|load}() methods (take 2) ide: call {in|out}put_data() methods from tf_{read|load}() methods (take 2) ide-io-std: shorten ide_{in|out}put_data() ide: rename IDE_TFLAG_IN_[HOB_]FEATURE ide: turn set_irq() method into write_devctl() method ide: use ATA_HOB ide-disk: use ATA_ERR ide: add support for CFA specified transfer modes (take 3) ide-iops: only clear DMA words on setting DMA mode ide: identify data word 53 bit 1 doesn't cover words 62 and 63 (take 3) au1xxx-ide: auide_{in|out}sw() should be static ide-floppy: use ide_pio_bytes() ide-{floppy,tape}: fix padding for PIO transfers ide: remove CONFIG_BLK_DEV_IDEDOUBLER config option ...
2009-04-01[IA64] BUG to BUG_ON changesStoyan Gaydarov8-33/+16
Replace: if (test) BUG(); with BUG_ON(test); Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-04-01Merge branch 'linux-next' of ↵Linus Torvalds62-1902/+3641
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (88 commits) PCI: fix HT MSI mapping fix PCI: don't enable too much HT MSI mapping x86/PCI: make pci=lastbus=255 work when acpi is on PCI: save and restore PCIe 2.0 registers PCI: update fakephp for bus_id removal PCI: fix kernel oops on bridge removal PCI: fix conflict between SR-IOV and config space sizing powerpc/PCI: include pci.h in powerpc MSI implementation PCI Hotplug: schedule fakephp for feature removal PCI Hotplug: rename legacy_fakephp to fakephp PCI Hotplug: restore fakephp interface with complete reimplementation PCI: Introduce /sys/bus/pci/devices/.../rescan PCI: Introduce /sys/bus/pci/devices/.../remove PCI: Introduce /sys/bus/pci/rescan PCI: Introduce pci_rescan_bus() PCI: do not enable bridges more than once PCI: do not initialize bridges more than once PCI: always scan child buses PCI: pci_scan_slot() returns newly found devices PCI: don't scan existing devices ... Fix trivial append-only conflict in Documentation/feature-removal-schedule.txt
2009-04-01[IA64] Fix typo/thinko in arch/ia64/sn/kernel/sn2/sn2_smp.cRandy Dunlap1-1/+1
sn2_ptc_init() has what looks like a cut-n-paste error. Fix it. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-04-01Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds8-29/+58
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] cio: online_store - trigger recognition for boxed devices [S390] cio: disallow online setting of device in transient state [S390] cio: introduce notifier for boxed state [S390] cio: introduce ccw_device_schedule_sch_unregister [S390] cio: wake up on failed recognition [S390] fix hypfs build failure [PATCH] sysrq: include interrupt.h instead of irq.h
2009-04-01efifb: dmi set video typeBrian Maly1-1/+4
The current logic for dmi matching in efifb does not allow efifb to load on all hardware that we can dmi match for. For a real world example, boot with elilo (3.7 or 3.8 vanilla) and on a Apple (MacBook) and EFI framebuffer driver will not load (you will have no video). This specific hardware is efi v1.10, so we have UGA and not GOP. Without special bootloader magic (i.e. extra elilo patches for UGA graphics detection) no screen info will be passed to the kernel and as a result efifb will not load. This patch allows the dmi match to happen by moving it to earlier in efifb_init, and sets the video type (in set_system) so that efifb can load when we have a valid dmi match and already know the specifics of the hardware. Without this patch the efifb driver will fail to load in the event screen info is not found and passed in by the bootloader, being that we will never get to look for a dmi match. A primary reason for matching with dmi is because not all bootloaders detect the video info properly. The solution is that in the event of a dmi match, we should set screen_info.orig_video_isVGA. Most bootloaders fail to set screen info on Apple hardware, and this is a big problem for people who use Apple hardware. Tested on a MacBook SantaRosa with elilo-3.8 (vanilla) and resolves the issue, the dmi match now works, EFI framebuffer now loads and video works. Signed-off-by: Brian Maly <bmaly@redhat.com> Acked-by: Huang Ying <ying.huang@intel.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Chandramouli Narayanan <mouli@linux.intel.com> Acked-by: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01tridentfb: delete acceleration Kconfig optionKrzysztof Helt2-20/+1
Remove Kconfig option for tridentfb acceleration. The acceleration can be switched off with modules "noaccel" parameter. The acceleration for Trident chips was fixed in the 2.6.27 kernel. Also, add CyberXXX and CyberBlade names to Kconfig option's name. It should make easier to find the tridentfb choice for cyblafb driver's users. The cyblafb driver has been replaced by the tridentfb driver. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01atyfb: speed up Mach64 cursorKrzysztof Helt1-8/+7
Save one fifo entry on cursor enabling and disabling. Save another fifo entry for FB_CUR_SETPOS operation by removing redundant one. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01fb: hide hardware cursor in graphics mode (Mach64)Krzysztof Helt1-1/+2
A hardware cursor is left enabled in the fb_set_par() which is called when a new console is created. This is inconsistent with software cursor's behaviour. Also, this makes a hardware cursor always visible in the Xfbdev (Xorg kdrive) server. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Risto Suominen <risto.suominen@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01nvidiafb: remove open_lock mutexAlessio Igor Bogani2-9/+0
Remove mutex from the nvidiafb_open/nvidiafb_release functions as these operations are mutexed at fb layer. Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01radeonfb: suspend/resume for ATI Mobility Radeon RV350Wolfgang Kroener1-0/+3
Add suspend/resume for the Acer Travelmate 290D/292LMi with the following graphic-chip: 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10] [1002:4e50] (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] TravelMate 290 [1025:005a] Flags: bus master, 66MHz, medium devsel, latency 128, IRQ 10 Memory at a8000000 (32-bit, prefetchable) [size=128M] I/O ports at c100 [size=256] Memory at e0010000 (32-bit, non-prefetchable) [size=64K] [virtual] Expansion ROM at a0000000 [disabled] [size=128K] Capabilities: [58] AGP version 2.0 Capabilities: [50] Power Management version 2 Kernel driver in use: radeonfb Kernel modules: radeonfb Signed-off-by: Wolfgang Kroener <lkml@azog.de> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01omapfb: fix argument of blank operationFelipe Contreras1-4/+4
The blank operation should receive FB_BLANK_POWERDOWN, not VESA_POWERDOWN. Signed-off-by: Felipe Contreras <felipe.contreras@nokia.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Andrea Righi <righi.andrea@gmail.com> Acked-by: Trilok Soni <soni.trilok@gmail.com> Cc: Imre Deak <imre.deak@solidboot.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01uvesafb: fix selecting mode with the vbemode optionMichal Januszewski1-4/+9
If the vbemode option is used, uvesafb calls fb_get_mode() without first setting the resolution in info->var. This results in a division by zero in fb_get_mode(), as evidenced e.g. in [1]. Fix this by ensuring the info->var structure is populated before fb_get_mode() is called. [1] http://bugzilla.kernel.org/show_bug.cgi?id=11661#c37 Signed-off-by: Michal Januszewski <spock@gentoo.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01fbdev: remove cyblafb driverKrzysztof Helt13-2344/+7
A tridentfb driver has all the functionality of the cyblafb driver without the bugs of the latter. Changes to the tridentfb driver: - FBINFO_READS_FAST added to the tridentfb. The cyblafb used a blitter for scrolling which is faster than color expansion on Cyberblade chipsets. The blitter is slower on a discrete Blade3D core. Use the blitter for scrolling in the tridentfb only for integrated Blade3D cores. Now, scrolling speed is about equal for the tridentfb and the cyblafb. - a copyright notice addition is done on request of Jani Monoses (the first author of the tridentfb). Tested on AGP Blade3D card and PCChips M787CLR motherboard: VIA C3 cpu + VT8601 north bridge (aka Cyberblade/i1). Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: "Jani Monoses" <jani@ubuntu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01fb: add s3c-fb driver for newer Samsung SoC framebuffer devicesBen Dooks3-0/+1061
Add support for the newer Samsung devices, such as found in the S3C2443, S3C6400 or S3C6410 series SoC. It currently does not support all the alpha- or chroma-key options but it will support more exporting more than one framebuffer ready for adding overlay and blending functions. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01n411: add missing Makefile entryHerton Ronaldo Krzesinski1-0/+1
There is no entry for n411.c to be built, include one in Makefile. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Cc: Jaya Kumar <jayakumar.lkml@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01viafb: returns 0 two too earlyRoel Kluin1-2/+6
Otherwise this will already return 0 if iteration MAXLOOP-2 occurs in the first loop. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Joseph Chan <josephchan@via.com.tw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01vesafb: bitwise OR has higher precedence than ?:Roel Kluin1-1/+1
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Michal Januszewski <michalj@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01uvesafb: bitwise OR has higher precedence than ?:Roel Kluin1-1/+1
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Michal Januszewski <michalj@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01arkfb: fix misplaced parenthesesRoel Kluin1-2/+2
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Ondrej Zajicek <santiago@crfreenet.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01asiliantfb: fix cmap memory leaksAndres Salomon1-5/+21
- fix cmap leak in removal path - fix cmap leak when register_framebuffer fails - check return value of fb_alloc_cmap - don't continue with driver setup if register_framebuffer fails [krzysztof.h1@wp.pl: spotted missing iounmap] [randy.dunlap@oracle.com: move data declaration before any code] Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01drivers/video/omap/hwa742.c: div reaches max_clk_divRoel Kluin1-2/+2
With for(div = 0; div < max_clk_div; div++) { ... } div reaches max_clk_div. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Joe Perches <joe@perches.com> Acked-by: Trilok Soni <soni.trilok@gmail.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01fbdev: update s1d13xxxfb to differ between revisions and production idsKristoffer Ericson2-18/+46
The s1d13xxx chip provides two values of identification value: the Production id (e.g 13506/13505/13806..) and a revision number 0,1,2,3). Together these can help us to differentiate between similiar setups. This patch adds the proper way of grabbing both those values and save them for future reference (in order to decide what functions a card supports, e.g acceleration). We also move away from the concept of all s1d13xxx = s1d13806 when we really support alot more. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: simplify s1d13xxxfb_probe()] Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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