- 14 May, 2008 1 commit
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Jan Kara authored
Cc: <linux-ext4@vger.kernel.org> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Mingming Cao <cmm@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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- 13 May, 2008 3 commits
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Jan Kara authored
In journal=data mode, it is not enough to do write_inode_now as done in vfs_quota_on() to write all data to their final location (which is needed for quota_read to work correctly). Calling journal_flush() does its job. Cc: <linux-ext4@vger.kernel.org> Signed-off-by:
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Jan Kara authored
When quota is disabled, we should not print 'journaled quota not supported' when user tried to mount non-journaled quota. Also fix typo in the message. Signed-off-by:
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Jan Kara authored
We should not allow user to change quota mount options when quota is just suspended. It would make mount options and internal quota state inconsistent. Also we should not allow user to change quota format when quota is turned on. On the other hand we can just silently ignore when some option is set to the value it already has (mount does this on remount). Cc: <linux-ext4@vger.kernel.org> Signed-off-by:
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- 15 May, 2008 36 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fsLinus Torvalds authored
* 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: fix error path during early mount 9p: make cryptic unknown error from server less scary 9p: fix flags length in net 9p: Correct fidpool creation failure in p9_client_create 9p: use struct mutex instead of struct semaphore 9p: propagate parse_option changes to client and transports fs/9p/v9fs.c (v9fs_parse_options): Handle kstrdup and match_strdup failure. 9p: Documentation updates add match_strlcpy() us it to make v9fs make uname and remotename parsing more robust
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Use a TS_RESTORE_SIGMASK lmb: Make lmb debugging more useful. lmb: Fix inconsistent alignment of size argument. sparc: Fix mremap address range validation.
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Andrew Morton authored
net/irda/irnet/irnet_irda.c: In function 'irnet_discovery_indication': net/irda/irnet/irnet_irda.c:1676: error: implicit declaration of function 'get_unaligned' Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Andrew Morton authored
May 11 09:42:27 [kernel] [ 1104.496819] rarian-sk-get-c[5630]: segfault at 0 ip 7f478556caf0 sp 7fff8e3fe338 error 4 in libc-2.6.1.so[7f47854f9000+136000] May 11 10:59:48 [kernel] [ 2494.165792] May 11 10:59:48 [kernel] [ 2494.165794] ======================================================= May 11 10:59:48 [kernel] [ 2494.165801] [ INFO: possible circular locking dependency detected ] May 11 10:59:48 [kernel] [ 2494.165805] 2.6.26-rc1-00007-g91b3a7a #217 May 11 10:59:48 [kernel] [ 2494.165807] ------------------------------------------------------- May 11 10:59:48 [kernel] [ 2494.165809] less/7053 is trying to acquire lock: May 11 10:59:48 [kernel] [ 2494.165812] (tasklist_lock){..??}, at: [<ffffffff80232e95>] is_current_pgrp_orphaned+0x15/0x50 May 11 10:59:48 [kernel] [ 2494.165821] May 11 10:59:48 [kernel] [ 2494.165822] but task is already holding lock: May 11 10:59:48 [kernel] [ 2494.165824] (&tty->ctrl_lock){....}, at: [<ffffffff803d5f31>] tty_check_change+0x61/0x110 May 11 10:59:48 [kernel] [ 2494.165831] May 11 10:59:48 [kernel] [ 2494.165832] which lock already depends on the new lock. May 11 10:59:48 [kernel] [ 2494.165833] May 11 10:59:48 [kernel] [ 2494.165835] May 11 10:59:48 [kernel] [ 2494.165836] the existing dependency chain (in reverse order) is: May 11 10:59:48 [kernel] [ 2494.165838] May 11 10:59:48 [kernel] [ 2494.165839] -> #2 (&tty->ctrl_lock){....}: May 11 10:59:48 [kernel] [ 2494.165843] [<ffffffff80253796>] __lock_acquire+0xf86/0x1080 May 11 10:59:48 [kernel] [ 2494.165851] [<ffffffff80253922>] lock_acquire+0x92/0xc0 May 11 10:59:48 [kernel] [ 2494.165858] [<ffffffff804deee0>] _spin_lock_irqsave+0x40/0x60 May 11 10:59:48 [kernel] [ 2494.165866] [<ffffffff803d31b5>] __proc_set_tty+0x35/0xe0 May 11 10:59:48 [kernel] [ 2494.165873] [<ffffffff803d76d4>] tty_ioctl+0xbf4/0xfe0 May 11 10:59:48 [kernel] [ 2494.165880] [<ffffffff802a05e1>] vfs_ioctl+0x31/0x90 May 11 10:59:48 [kernel] [ 2494.165888] [<ffffffff802a06b3>] do_vfs_ioctl+0x73/0x2d0 May 11 10:59:48 [kernel] [ 2494.165895] [<ffffffff802a095a>] sys_ioctl+0x4a/0x80 May 11 10:59:48 [kernel] [ 2494.165902] [<ffffffff8020b5ab>] system_call_after_swapgs+0x7b/0x80 May 11 10:59:48 [kernel] [ 2494.165910] [<ffffffffffffffff>] 0xffffffffffffffff May 11 10:59:48 [kernel] [ 2494.165924] May 11 10:59:48 [kernel] [ 2494.165925] -> #1 (&sighand->siglock){++..}: May 11 10:59:48 [kernel] [ 2494.165929] [<ffffffff80253796>] __lock_acquire+0xf86/0x1080 May 11 10:59:48 [kernel] [ 2494.165936] [<ffffffff80253922>] lock_acquire+0x92/0xc0 May 11 10:59:48 [kernel] [ 2494.165943] [<ffffffff804dec1f>] _spin_lock+0x2f/0x40 May 11 10:59:48 [kernel] [ 2494.165951] [<ffffffff8022d5a3>] copy_process+0x973/0x1210 May 11 10:59:48 [kernel] [ 2494.165959] [<ffffffff8022df12>] do_fork+0x82/0x2f0 May 11 10:59:48 [kernel] [ 2494.165967] [<ffffffff8020bfe1>] kernel_thread+0x81/0xde May 11 10:59:48 [kernel] [ 2494.165974] [<ffffffff8020c048>] child_rip+0xa/0x12 May 11 10:59:48 [kernel] [ 2494.165981] [<ffffffffffffffff>] 0xffffffffffffffff May 11 10:59:48 [kernel] [ 2494.166038] May 11 10:59:48 [kernel] [ 2494.166039] -> #0 (tasklist_lock){..??}: May 11 10:59:48 [kernel] [ 2494.166043] [<ffffffff802535ab>] __lock_acquire+0xd9b/0x1080 May 11 10:59:48 [kernel] [ 2494.166050] [<ffffffff80253922>] lock_acquire+0x92/0xc0 May 11 10:59:48 [kernel] [ 2494.166057] [<ffffffff804dede2>] _read_lock+0x32/0x50 May 11 10:59:48 [kernel] [ 2494.166063] [<ffffffff80232e95>] is_current_pgrp_orphaned+0x15/0x50 May 11 10:59:48 [kernel] [ 2494.166071] [<ffffffff803d5f80>] tty_check_change+0xb0/0x110 May 11 10:59:48 [kernel] [ 2494.166078] [<ffffffff803dac5f>] set_termios+0x1f/0x4c0 May 11 10:59:48 [kernel] [ 2494.166085] [<ffffffff803db379>] tty_mode_ioctl+0x279/0x3e0 May 11 10:59:48 [kernel] [ 2494.166092] [<ffffffff803db51d>] n_tty_ioctl+0x3d/0x260 May 11 10:59:48 [kernel] [ 2494.166100] [<ffffffff803d6c34>] tty_ioctl+0x154/0xfe0 May 11 10:59:48 [kernel] [ 2494.166107] [<ffffffff802a05e1>] vfs_ioctl+0x31/0x90 May 11 10:59:48 [kernel] [ 2494.166114] [<ffffffff802a06b3>] do_vfs_ioctl+0x73/0x2d0 May 11 10:59:48 [kernel] [ 2494.166121] [<ffffffff802a095a>] sys_ioctl+0x4a/0x80 May 11 10:59:48 [kernel] [ 2494.166128] [<ffffffff8020b5ab>] system_call_after_swapgs+0x7b/0x80 May 11 10:59:48 [kernel] [ 2494.166135] [<ffffffffffffffff>] 0xffffffffffffffff May 11 10:59:48 [kernel] [ 2494.166142] May 11 10:59:48 [kernel] [ 2494.166143] other info that might help us debug this: May 11 10:59:48 [kernel] [ 2494.166144] May 11 10:59:48 [kernel] [ 2494.166146] 1 lock held by less/7053: May 11 10:59:48 [kernel] [ 2494.166148] #0: (&tty->ctrl_lock){....}, at: [<ffffffff803d5f31>] tty_check_change+0x61/0x110 May 11 10:59:48 [kernel] [ 2494.166155] May 11 10:59:48 [kernel] [ 2494.166156] stack backtrace: May 11 10:59:48 [kernel] [ 2494.166159] Pid: 7053, comm: less Not tainted 2.6.26-rc1-00007-g91b3a7a #217 May 11 10:59:48 [kernel] [ 2494.166161] May 11 10:59:48 [kernel] [ 2494.166162] Call Trace: May 11 10:59:48 [kernel] [ 2494.166168] [<ffffffff80251223>] print_circular_bug_tail+0x83/0x90 May 11 10:59:48 [kernel] [ 2494.166172] [<ffffffff80250889>] ? print_circular_bug_entry+0x49/0x60 May 11 10:59:48 [kernel] [ 2494.166178] [<ffffffff802535ab>] __lock_acquire+0xd9b/0x1080 May 11 10:59:48 [kernel] [ 2494.166184] [<ffffffff80232e95>] ? is_current_pgrp_orphaned+0x15/0x50 May 11 10:59:48 [kernel] [ 2494.166189] [<ffffffff80253922>] lock_acquire+0x92/0xc0 May 11 10:59:48 [kernel] [ 2494.166206] [<ffffffff803d5f80>] tty_check_change+0xb0/0x110 May 11 10:59:48 [kernel] [ 2494.166211] [<ffffffff803dac5f>] set_termios+0x1f/0x4c0 May 11 10:59:48 [kernel] [ 2494.166216] [<ffffffff803d3423>] ? tty_ldisc_try+0x23/0x60 May 11 10:59:48 [kernel] [ 2494.166220] [<ffffffff803d3444>] ? tty_ldisc_try+0x44/0x60 May 11 10:59:48 [kernel] [ 2494.166224] [<ffffffff804df2c5>] ? _spin_unlock_irqrestore+0x65/0x80 May 11 10:59:48 [kernel] [ 2494.166230] [<ffffffff803db379>] tty_mode_ioctl+0x279/0x3e0 May 11 10:59:48 [kernel] [ 2494.166234] [<ffffffff803d3444>] ? tty_ldisc_try+0x44/0x60 May 11 10:59:48 [kernel] [ 2494.166239] [<ffffffff803db51d>] n_tty_ioctl+0x3d/0x260 May 11 10:59:48 [kernel] [ 2494.166244] [<ffffffff803d6c34>] tty_ioctl+0x154/0xfe0 May 11 10:59:48 [kernel] [ 2494.166249] [<ffffffff80252baa>] ? __lock_acquire+0x39a/0x1080 May 11 10:59:48 [kernel] [ 2494.166256] [<ffffffff80252baa>] ? __lock_acquire+0x39a/0x1080 May 11 10:59:48 [kernel] [ 2494.166263] [<ffffffff80252baa>] ? __lock_acquire+0x39a/0x1080 May 11 10:59:48 [kernel] [ 2494.166269] [<ffffffff802a05e1>] vfs_ioctl+0x31/0x90 May 11 10:59:48 [kernel] [ 2494.166274] [<ffffffff802a06b3>] do_vfs_ioctl+0x73/0x2d0 May 11 10:59:48 [kernel] [ 2494.166280] [<ffffffff802a095a>] sys_ioctl+0x4a/0x80 May 11 10:59:48 [kernel] [ 2494.166286] [<ffffffff8020b5ab>] system_call_after_swapgs+0x7b/0x80 May 11 10:59:48 [kernel] [ 2494.166292] Acked-by:Alan Cox <alan@lxorguk.ukuu.org.uk> Reported-by:
Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by:
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Neil Brown authored
As setting and clearing queue flags now requires that we hold a spinlock on the queue, and as blk_queue_stack_limits is called without that lock, get the lock inside blk_queue_stack_limits. For blk_queue_stack_limits to be able to find the right lock, each md personality needs to set q->queue_lock to point to the appropriate lock. Those personalities which didn't previously use a spin_lock, us q->__queue_lock. So always initialise that lock when allocated. With this in place, setting/clearing of the QUEUE_FLAG_PLUGGED bit will no longer cause warnings as it will be clear that the proper lock is held. Thanks to Dan Williams for review and fixing the silly bugs. Signed-off-by:
NeilBrown <neilb@suse.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Alistair John Strachan <alistair@devzero.co.uk> Cc: Nick Piggin <npiggin@suse.de> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Jacek Luczak <difrost.kernel@gmail.com> Cc: Prakash Punnoor <prakash@punnoor.de> Signed-off-by:
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Jiri Slaby authored
Select FW_LOADER since moxa needs it, otherwise we face link problems such as: drivers/built-in.o: In function moxa_pci_probe':moxa.c:(.devinit.text+0x76d8): undefined reference to request_firmware' :moxa.c:(.devinit.text+0x7e6e): undefined reference to release_firmware' make: *** [.tmp_vmlinux1] Error 1 Reported-by:
Philippe Roussel <p.o.roussel@free.fr> Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Heiko Carstens authored
Trying to online a new memory section that was added via memory hotplug sometimes results in crashes when the new pages are added via __free_page. Reason for that is that the pageblock bitmap isn't initialized and hence contains random stuff. That means that get_pageblock_migratetype() returns also random stuff and therefore list_add(&page->lru, &zone->free_area[order].free_list[migratetype]); in __free_one_page() tries to do a list_add to something that isn't even necessarily a list. This happens since 86051ca5 ("mm: fix usemap initialization") which makes sure that the pageblock bitmap gets only initialized for pages present in a zone. Unfortunately for hot-added memory the zones "grow" after the memmap and the pageblock memmap have been initialized. Which means that the new pages have an unitialized bitmap. To solve this the calls to grow_zone_span() and grow_pgdat_span() are moved to __add_zone() just before the initialization happens. The patch also moves the two functions since __add_zone() is the only caller and I didn't want to add a forward declaration. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by:
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Venki Pallipadi authored
There is a defect in mprotect, which lets the user change the page cache type bits by-passing the kernel reserve_memtype and free_memtype wrappers. Fix the problem by not letting mprotect change the PAT bits. Signed-off-by:
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by:
Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Eric Dumazet authored
Current module loader lookups ".data.percpu" ELF section to perform per_cpu relocation. But DEFINE_PER_CPU_SHARED_ALIGNED() uses another section (".data.percpu.shared_aligned"), currently only handled in vmlinux.lds, not by module loader. To correct this problem, instead of adding logic into module loader, or using at build time a module.lds file for all arches to group ".data.percpu.shared_aligned" into ".data.percpu", just use ".data.percpu" for modules. Alignment requirements are correctly handled by ld and module loader. Signed-off-by:Eric Dumazet <dada1@cosmosbay.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by:
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Geoff Levand authored
Add a check to online_pages() to test for failure of walk_memory_resource(). This fixes a condition where a failure of walk_memory_resource() can lead to online_pages() returning success without the requested pages being onlined. Signed-off-by:
Geoff Levand <geoffrey.levand@am.sony.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Keith Mannthey <kmannth@us.ibm.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: Paul Jackson <pj@sgi.com> Signed-off-by:
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Harvey Harrison authored
Add a common hex array in hexdump.c so everyone can use it. Add a common hi/lo helper to avoid the shifting masking that is done to get the upper and lower nibbles of a byte value. Pull the pack_hex_byte helper from kgdb as it is opencoded many places in the tree that will be consolidated. Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Acked-by:
Paul Mundt <lethal@linux-sh.org> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Robin Getz authored
This art design is beautiful, isn't it? And you can watch our demo on YouTube: http://youtube.com/watch?v=fKyQOntPEFsSigned-off-by:
Robin Getz <robin.getz@analog.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org> Signed-off-by:
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Tiger Yang authored
This fix the uninitialized bs when we try to replace a xattr entry in ibody with the new value which require more than free space. This situation only happens we format ext3/4 with inode size more than 128 and we have put xattr entries both in ibody and block. The consequences about this bug is we will lost the xattr block which pointed by i_file_acl with all xattr entires in it. We will alloc a new xattr block and put that large value entry in it. The old xattr block will become orphan block. Signed-off-by:
Tiger Yang <tiger.yang@oracle.com> Cc: <linux-ext4@vger.kernel.org> Cc: Andreas Gruenbacher <agruen@suse.de> Acked-by:
Andreas Dilger <adilger@sun.com> Cc: <stable@kernel.org> Signed-off-by:
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Mirco Tischler authored
Return type of cpu_rt_runtime_write() should be int instead of ssize_t. Signed-off-by:
Mirco Tischler <mt-ml@gmx.de> Acked-by:
Paul Menage <menage@google.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Mike Frysinger authored
I noticed this because alpha was broken due to the recent commit commit bdc80787 ("avoid overflows in kernel/time.c"). Most arches do something like this in their asm/param.h: #ifdef __KERNEL__ # define HZ CONFIG_HZ #else # define HZ 100 #endif A few arches though (namely alpha/h8300/um/v850/xtensa) either do no set HZ at all for !__KERNEL__, or they set it wrongly. This should bring all arches in line by setting up HZ for userspace. Without this currently perl 5.10 doesn't build on alpha: perl.c: In function 'perl_construct': perl.c:388: error: 'CONFIG_HZ' undeclared (first use in this function) -> http://buildd.debian.org/fetch.cgi?pkg=perl;ver=5.10.0-10;arch=alpha;stamp=1210252894Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Jeff Dike <jdike@addtoit.com> Cc: Chris Zankel <chris@zankel.net> Cc: maximilian attems <max@stro.at> Signed-off-by:
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Mingming Cao authored
Updating the current transaction's t_state is protected by j_state_lock. We need to do the same when updating the t_state to T_COMMIT. Signed-off-by:
Jan Kara <jack@ucw.cz> Signed-off-by:
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Heiko Carstens authored
__add_zone calls memmap_init_zone twice if memory gets attached to an empty zone. Once via init_currently_empty_zone and once explictly right after that call. Looks like this is currently not a bug, however the call is superfluous and might lead to subtle bugs if memmap_init_zone gets changed. So make sure it is called only once. Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by:
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Nate Case authored
The current OF probing assumes that the resource is IORESOURCE_MEM. This checks for the IORESOURCE_IO flag and behaves appropriately. An I/O resource can exist with an ipmi device node on a legacy ISA bus. Signed-off-by:
Nate Case <ncase@xes-inc.com> Signed-off-by:
Corey Minyard <cminyard@mvista.com> Signed-off-by:
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Nicolas Ferre authored
Fix initialization of framebuffer not calling ioremap_writecombine() function and not using internal SRAM for at91sam9rl. This is a little rework of the "Don't initialize a pre-allocated framebuffer" patch that corrects the call to ioremap_writecombine() function. It also cuts the use of internal SRAM for at91sam9rl : it is a bit small for a framebuffer. Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Andrew Victor <linux@maxim.org.za> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by:
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Miklos Szeredi authored
filemap_fault will go into an infinite loop if ->readpage() fails asynchronously. AFAICS the bug was introduced by this commit, which removed the wait after the final readpage: commit d00806b1 Author: Nick Piggin <npiggin@suse.de> Date: Thu Jul 19 01:46:57 2007 -0700 mm: fix fault vs invalidate race for linear mappings Fix by reintroducing the wait_on_page_locked() after ->readpage() to make sure the page is up-to-date before jumping back to the beginning of the function. I've noticed this while testing nfs exporting on fuse. The patch fixes it. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Nick Piggin <npiggin@suse.de> Signed-off-by:
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Rene Herman authored
The AD181x and AZT230 chips don't support an IRQ-less MPU401 option but work fine without one. This adds (priority functional) IRQ-less options for each port option to help systems with few available IRQs. The AD1815 quirk can't use pnp_register_irq_resource() due to doubly penalizing the IRQ. Also, while not a practical issue due to no IRQ option being present for the dependents, this needs to add in front, not back. Doesn't use pnp_register_port_resource() for symetry with above. This does not delete the AD1815 independent option even though it should be empty after the IRQ transfer due to AD1816 coming with an empty but still present independent option by default. Was tested on AD1815, AD1816 and AZT2320. The ALSA snd-ad1818a driver also support the AZT2002 ID for MPU401 but this doesn't as I was unable to test it. Signed-off-by:
Rene Herman <rene.herman@gmail.com> Tested-by:
Uwe Bugla <uwe.bugla@gmx.de> Acked-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Takashi Iwai <tiwai@suse.de> Cc: Len Brown <len.brown@intel.com Signed-off-by:
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Rene Herman authored
The subsequent AD181x quirk patch would like this as part of the API. pnp_register_dependent_option() adds to the same dependent chain the quirk is walking which is fairly unclean. This enables a private option chain build which it can then just add onto the end when done. Signed-off-by:
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Rene Herman authored
Make it look a bit more like pci_fixup_device/pci_do_fixups. Also print the PnP ID and delete the () from the "foo+0x0/0x1234()". Signed-off-by:
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Jens Rottmann authored
The following patch caused a regression with OLPC panels: commit 3888d463 lxfb: extend PLL table to support dotclocks below 25 MHz Extends the PLL frequency table of the AMD Geode-LX frame buffer driver to make use of the DIV4 bit, thus adding support for dotclocks between 6 and 25 MHz. These are needed for small LCDs (e.g. 320x240). Also inserts some intermediate steps between pre-existing frequencies. The problem was the insertion of intermediate steps into the frequency table; they would cause the wrong frequency to be matched. This patch drops those intermediate frequencies while keeping the sub-25MHz frequencies. Signed-off-by:
Andres Salomon <dilinger@debian.org> Signed-off-by:
Jens Rottmann <JRottmann@LiPPERT-AT.de> Tested-by:
Jordan Crouse <jordan.crouse@amd.com> Signed-off-by:
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Eric Dumazet authored
Alignment was previously requested because cpu_buffer was an [NR_CPUS] array, to avoid cache line sharing between CPUS. After commit 608dfddd (oprofile: change cpu_buffer from array to per_cpu variable ), we dont need to force an alignement anymore since cpu_buffer sits in per_cpu zone. Signed-off-by:
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Sebastian Siewior authored
Schedule a removal for this driver. Alternative driver is available for a while now. Signed-off-by:
Sebastian Siewior <bigeasy@linutronix.de> Acked-by:
Greg Ungerer <gerg@uclinux.org> Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Grant Likely authored
Signed-off-by:
Grant Likely <grant.likely@secretlab.ca> Acked-by:
David Brownell <david-b@pacbell.net> Signed-off-by:
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Eric Van Hensbergen authored
There was some cleanup issues during early mount which would trigger a kernel bug for certain types of failure. This patch reorganizes the cleanup to get rid of the bad behavior. This also merges the 9pnet and 9pnet_fd modules for the purpose of configuration and initialization. Keeping the fd transport separate from the core 9pnet code seemed like a good idea at the time, but in practice has caused more harm and confusion than good. Signed-off-by:Eric Van Hensbergen <ericvh@gmail.com>
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Eric Van Hensbergen authored
Right now when we get an error string from the server that we can't map we report a cryptic error that actually makes it look like we are reporting a problem with the client. This changes the text of the log message to clarify where the error is coming from. Signed-off-by: -
Steven Rostedt authored
Some files in the net/9p directory uses "int" for flags. This can cause hard to find bugs on some architectures. This patch converts the flags to use "long" instead. This bug was discovered by doing an allyesconfig make on the -rt kernel where checks are done to ensure all flags are of size sizeof(long). Signed-off-by:
Steven Rostedt <srostedt@redhat.com> Acked-by:
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Josef 'Jeff' Sipek authored
On error, p9_idpool_create returns an ERR_PTR-encoded errno. Signed-off-by:
Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Acked-by:
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Josef 'Jeff' Sipek authored
Replace semaphores protecting use flags with a mutex. Signed-off-by:
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Eric Van Hensbergen authored
Propagate changes that were made to the parse_options code to the other parse options pieces present in the other modules. Looks like the client parse options was probably corrupting the parse string and causing problems for others. Signed-off-by: -
Jim Meyering authored
fs/9p/v9fs.c (v9fs_parse_options): Handle kstrdup and match_strdup failure. Now that this function can fail, return an int, diagnose other option-parsing failures, and adjust the sole caller: (v9fs_session_init): Handle kstrdup failure. Propagate any new v9fs_parse_options failure "up". Signed-off-by:
Jim Meyering <meyering@redhat.com> Cc: Ron Minnich <rminnich@sandia.gov> Cc: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by:
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Eric Van Hensbergen authored
The kernel-doc comments of much of the 9p system have been in disarray since reorganization. This patch fixes those problems, adds additional documentation and a template book which collects the 9p information. Signed-off-by: -
Markus Armbruster authored
match_strcpy() is a somewhat creepy function: the caller needs to make sure that the destination buffer is big enough, and when he screws up or forgets, match_strcpy() happily overruns the buffer. There's exactly one customer: v9fs_parse_options(). I believe it currently can't overflow its buffer, but that's not exactly obvious. The source string is a substing of the mount options. The kernel silently truncates those to PAGE_SIZE bytes, including the terminating zero. See compat_sys_mount() and do_mount(). The destination buffer is obtained from __getname(), which allocates from name_cachep, which is initialized by vfs_caches_init() for size PATH_MAX. We're safe as long as PATH_MAX <= PAGE_SIZE. PATH_MAX is 4096. As far as I know, the smallest PAGE_SIZE is also 4096. Here's a patch that makes the code a bit more obviously correct. It doesn't depend on PATH_MAX <= PAGE_SIZE. Signed-off-by:
Markus Armbruster <armbru@redhat.com> Cc: Latchesar Ionkov <lucho@ionkov.net> Cc: Jim Meyering <meyering@redhat.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by:
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