- 12 Jul, 2005 40 commits
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Jan Kara authored
Fix a problem with ext3 mount option parsing. When remount of a filesystem fails, old options are now restored. Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Roland McGrath authored
When a noninitial thread does exec, it becomes the new group leader. If there is a ITIMER_REAL timer running, it points at the old group leader and when it fires it can follow a stale pointer. The timer data needs to be reset to point at the exec'ing thread that is becoming the group leader. This has to synchronize with any concurrent firing of the timer to make sure that it_real_fn can never run when the data points to a thread that might have been reaped already. Signed-off-by:
Roland McGrath <roland@redhat.com> Signed-off-by:
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Nishanth Aravamudan authored
Replace schedule_timeout() with ssleep() to guarantee the task delays as expected. Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
Chris Zankel <chris@zankel.net> Signed-off-by:
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Chris Zankel authored
This patch fixes some minor bugs introduced by the previous patch (remove old syscalls). Both patches remove the obsolete syscalls. The changes in this patch were suggested by Arnd Bergmann. The vmlinux.lds.S changes are required for the latest gcc/binutils. Signed-off-by:
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Benjamin LaHaise authored
This patch fixes a fairly serious tlb flushing bug that makes aio use under uml very unreliable -- SEGVs, Oops and panic()s occur as a result of stale tlb entires being used by uml when aio switches mms due to the fact that uml does not implement the activate_mm() hook. This patch introduces a simple but correct approach (read: hammer) for implementing activate_mm() in uml by doing a force_flush_all() if the new mm is different from old. With this patch in place, uml is able to succeed at the aio test case that was randomly faulting for me before. Cc: Jeff Dike <jdike@addtoit.com> Cc: <blaisorblade@yahoo.it> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
make clean ARCH=um does not remove the generated file arch/um/include/user_constants.h, fix this. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Andrew Morton authored
Cc: Richard Henderson <rth@twiddle.net> Signed-off-by:
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Geert Uytterhoeven authored
mm/filemap_xip.c: In function `__xip_unmap': mm/filemap_xip.c:194: request for member `pte' in something not a structure or union Apparently pte_pfn() takes a pte_t, not a pointer to a pte_t. From looking at asm/page.h, it seems to be the same on ia32 or ppc (iff STRICT_MM_TYPECHECKS is enabled, which is disabled by default on ppc). Acked-by:
Carsten Otte <cotte@de.ibm.com> Signed-off-by:
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Dominik Brodowski authored
The current CardBus window allocation code in yenta_socket is unable to handle the transparent PCI-bridge handling update in 2.6.13. We need to check _all_ resources of a given type to find the best one suitable for CardBus windows, not just the first one. Signed-off-by:
Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by:
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Dominik Brodowski authored
drivers/pci/setup-bus.c enumerates the CardBus windows (bus->resources[]) Signed-off-by:
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Dominik Brodowski authored
Update PCMCIA driver changes for patches merged in 2.6.13 Signed-off-by:
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Dominik Brodowski authored
If the CardBus windows were pre-configured and the CardBus bridge is behind a transparent PCI-PCI bridge, pci_find_parent_resource() might return a different resource than the real parent if it is called before the window is determined. Therefore, move that call around. Also fix return of value in void function. Signed-off-by:
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Dominik Brodowski authored
Fix pcmcia-cs compilation with recent pcmcia kernel changes. Signed-off-by:
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Andrew Morton authored
This is the second time this has happened: inserting a new section requires that we adjust the arithmetic which is used to calculate the vsyscall page's offset. Cc: Christoph Lameter <christoph@lameter.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Artem B. Bityuckiy authored
Bug symptoms ~~~~~~~~~~~~ For the same inode VFS calls read_inode() twice and doesn't call clear_inode() between the two read_inode() invocations. Bug description ~~~~~~~~~~~~~~~ Suppose we have an inode which has zero reference count but is still in the inode cache. Suppose kswapd invokes shrink_icache_memory() to free some RAM. In prune_icache() inodes are removed from i_hash. prune_icache () is then going to call clear_inode(), but drops the inode_lock spinlock before this. If in this moment another task calls iget() for an inode which was just removed from i_hash by prune_icache(), then iget() invokes read_inode() for this inode, because it is *already removed* from i_hash. The end result is: we call iget(#N) then iput(#N); inode #N has zero i_count now and is in the inode cache; kswapd starts. kswapd removes the inode #N from i_hash ans is preempted; we call iget(#N) again; read_inode() is invoked as the result; but we expect clear_inode() before. Fix ~~~~~~~ To fix the bug I remove inodes from i_hash later, when clear_inode() is actually called. I remove them from i_hash under spinlock protection. Since the i_state is set to I_FREEING, it is safe to do this. The others will sleep waiting for the inode state change. I also postpone removing inodes from i_sb_list. It is not compulsory to do so but I do it for readability reasons. Inodes are added/removed to the lists together everywhere in the code and there is no point to change this rule. This is harmless because the only user of i_sb_list which somehow may interfere with me (invalidate_list()) is excluded by the iprune_sem mutex. The same race is possible in invalidate_list() so I do the same for it. Acked-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Miklos Szeredi authored
This patch fixes queer behavior in __wait_on_freeing_inode(). If I_LOCK was not set it called yield(), effectively busy waiting for the removal of the inode from the hash. This change was introduced within "[PATCH] eliminate inode waitqueue hashtable" Changeset 1.1938.166.16 last october by wli. The solution is to restore the old behavior, of unconditionally waiting on the waitqueue. It doesn't matter if I_LOCK is not set initally, the task will go to sleep, and wake up when wake_up_inode() is called from generic_delete_inode() after removing the inode from the hash chain. Comment is also updated to better reflect current behavior. This condition is very hard to trigger normally (simultaneous clear_inode() with iget()) so probably only heavy stress testing can reveal any change of behavior. Signed-off-by:
Miklos Szeredi <miklos@szeredi.hu> Acked-by:
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Hugh Dickins authored
dup_mmap of a VM_DONTCOPY vma forgot to lower the child's total_vm. (But no way does this account for the recent report of total_vm seen too low.) Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Matt Mackall authored
This shuts up a potential uninitialized variable warning. Signed-off-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Dave Jones authored
Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Andrew Morton authored
kernel/power/disk.c needs a declaration of name_to_dev_t() in scope. mount.h seems like an appropriate choice. Signed-off-by:
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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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Tommy Christensen authored
OK, I can see what's happening here. eth0 doesn't detect link-up until after a few seconds, so when the vlan interface is opened immediately after eth0 has been opened, it inherits the link-down state. Subsequently the vlan interface is never properly activated and are thus unable to transmit any packets. dev->state bits are not supposed to be manipulated directly. Something similar is probably needed for the netif_device_present() bit, although I don't know how this is meant to work for a virtual device. Signed-off-by:David S. Miller <davem@davemloft.net>
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Andrew Morton authored
arch/sparc64/kernel/smp.c:48: error: parse error before "__attribute__" arch/sparc64/kernel/smp.c:49: error: parse error before "__attribute__" Signed-off-by:
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Alexey Dobriyan authored
tr_type_trans(), hippi_type_trans() left as-is. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Phil Oester authored
Revert the nf_reset change that caused so much trouble, drop conntrack references manually before packets are queued to packet sockets. Signed-off-by:
Phil Oester <kernel@linuxace.com> Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
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Michael Hund authored
The following driver provides complete interrupt-in and interrupt-out reports (raw data) to a user program. Until now it uses the HIDIOCGDEVINFO ioctl call, because I don't know better :-(. Perhaps, it will be ok for you - and I will be happy, if you assign 8 minor numbers. I have tested it in several environments and it works very well for me. However, it has a problem with two or more devices at the same hub, if the two or more devices need 1 ms interrupt-in transfers. Unfortunately more than one interrupt-in transfer every ms isn't possible (ehci driver?). This is why the min_interrupt_in_interval and min_interrupt_out_interval are increased to 2 ms (see the corresponding module parameters). This way, I can use two devices simultaneously at the same hub. Signed-off-by:
Michael Hund <mhund@ld-didactic.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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brian@murphy.dk authored
This increases the reference count on the usb cdc acm control interface which is referred to by the tty interface provided by the driver. This allows the deferred removal of the tty after the physical device is disconnected if the tty is held open at the time of disconnection. Signed-off-by: brian@murphy.dk Signed-off-by: -
brian@murphy.dk authored
Export usb_get_intf and usb_put_intf so that modules can increase usb interface reference counts. Signed-off-by: brian@murphy.dk Signed-off-by: -
david-b@pacbell.net authored
This adds another CDC descriptor type to <linux/usb_cdc.h>; the main claim to fame for this is that some Motorola phones include it. It's not currently needed by any driver code; included for completeness. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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david-b@pacbell.net authored
A patch re-organizing some parts of root hub initialization deleted the code initializing the bus-neutral reboot/shutdown notifier for OHCI. This patch just restores that deleted code. Signed-off-by:
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david-b@pacbell.net authored
The recent "pm_message_t" changes removed functionality from the Linux PM framework. This patch removes it from the OMAP OHCI too, removing the distinction between (previous) PM_SUSPEND_MEM and PM_SUSPEND_DISK state transitions ... now the only suspend semantics supportable are what was previously PM_SUSPEND_DISK (4) and is now "PMSG_SUSPEND" (3). From: Todd Poynor <tpoynor@mvista.com> Signed-off-by:
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david-b@pacbell.net authored
Minor OMAP updates that somehow got dropped from previous patches. Signed-off-by:
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Ian Campbell authored
I also needed the following on 2.6.13-rc1 without CONFIG_USB_ETH_RNDIS, symbol fs_status_desc isn't available in that case on PXA255. This builds both with and without ETH_RNDIS, but I haven't actually tested either. Signed-off-by:
Ian Campbell <icampbell@arcom.com> Signed-off-by:
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Ian Campbell authored
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Luca Risolia authored
SN9C10x driver updates. Changes: + new, - removed, * cleanup, @ bugfix @ Remove bad get_ctrl()'s * Documentation updates + Add 0x0c45/0x602d to the list of SN9C10x based devices + Add support for OV7630 image sensors Signed-off-by:
Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by:
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Michael Hund authored
below you will find one patch to hid-core.c, which lets usbhid ignore our HID devices. It would be nice, if you can apply it. Signed-off-by:
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KAMBAROV, ZAUR authored
The length of the array desc->bitmap is 3, and not 4: Definitions involved: In drivers/usb/core/hcd.h 464 #define bitmap DeviceRemovable In drivers/usb/host/ohci-hub.c 395 struct usb_hub_descriptor *desc In drivers/usb/core/hub.h 130 struct usb_hub_descriptor { 131 __u8 bDescLength; 132 __u8 bDescriptorType; 133 __u8 bNbrPorts; 134 __u16 wHubCharacteristics; 135 __u8 bPwrOn2PwrGood; 136 __u8 bHubContrCurrent; 137 /* add 1 bit for hub status change; round to bytes */ 138 __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8]; 139 __u8 PortPwrCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8]; 140 } __attribute__ ((packed)); In include/linux/usb.h 306 #define USB_MAXCHILDREN (16) This defect was found automatically by Coverity Prevent, a static analysis tool. (akpm: this code should be shot. Field `bitmap' doesn't exist in struct usb_hub_descriptor. And this .c file is #included in drivers/usb/host/ohci-hcd.c, and someone somewhere #defines `bitmap' to `DeviceRemovable'. >From a maintainability POV it would be better to memset the whole array beforehand - I changed the patch to do that) Signed-off-by:Zaur Kambarov <zkambarov@coverity.com> Cc: <linux-usb-devel@lists.sourceforge.net? Signed-off-by:
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Michael Downey authored
This driver is a basic keypress input driver for the Keyspan Digital Remote with part number UIA-11. Currently there is an older remote with part number UIA-10 which isn't supported by this driver. Support for the older UIA-10 could be added but a binary file is required to be download to the device, and I don't have that file. I also don't have a UIA-10 device so I wouldn't be able to test any of the changes. Signed-off-by:
Michael Downey <downey@zymeta.com> Signed-off-by:
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