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2008-05-21tcp: Make prior_ssthresh a u32Ilpo Järvinen
If previous window was above representable values of u16, strange things will happen if undo with the truncated value is called for. Alternatively, this could be fixed by some max trickery but that would limit undoing high-speed undos. Adds 16-bit hole but there isn't anything to fill it with. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__Patrick McHardy
Greg Steuck <greg@nest.cx> points out that some of the netfilter headers can't be used in userspace without including linux/types.h first. The headers include their own linux/types.h include statements, these are stripped by make headers-install because they are inside #ifdef __KERNEL__ however. Move them out to fix this. Reported and Tested by Greg Steuck. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20[VLAN]: Propagate selected feature bits to VLAN devicesPatrick McHardy
Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-19Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-05-19ndisc: Add missing strategies for per-device retrans timer/reachable time ↵YOSHIFUJI Hideaki
settings. Noticed from Al Viro <viro@ftp.linux.org.uk> via David Miller <davem@davemloft.net>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-19ipv6: Move <linux/in6.h> from header-y to unifdef-y.Robert P. J. Day
Given that <linux/in6.h> contains a __KERNEL__ test, it should be unifdef-ed. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-16mac80211: Add RTNL version of ieee80211_iterate_active_interfacesIvo van Doorn
Since commit e38bad4766a110b61fa6038f10be16ced8c6cc38 mac80211: make ieee80211_iterate_active_interfaces not need rtnl rt2500usb and rt73usb broke down due to attempting register access in atomic context (which is not possible for USB hardware). This patch restores ieee80211_iterate_active_interfaces() to use RTNL lock, and provides the non-RTNL version under a new name: ieee80211_iterate_active_interfaces_atomic() So far only rt2x00 uses ieee80211_iterate_active_interfaces(), and those drivers require the RTNL version of ieee80211_iterate_active_interfaces(). Since they already call that function directly, this patch will automatically fix the USB rt2x00 drivers. v2: Rename ieee80211_iterate_active_interfaces_rtnl Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-05-14atm: Cleanup atm_tcp.h and atm.h for userspace.Mike Frysinger
The atm_tcp.h uses types from linux/atm.h, but does not include it. It should also use the standard __u## types from linux/types.h rather than the uint##_t types since the former can be found with the kernel already. Same goes for linux/atm.h. The linux/socket.h include there also gets dropped as atm.h does not actually use anything from socket.h. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * '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
2008-05-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* 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.
2008-05-14mprotect: prevent alteration of the PAT bitsVenki Pallipadi
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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14per_cpu: fix DEFINE_PER_CPU_SHARED_ALIGNED for modulesEric Dumazet
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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14lib: create common ascii hex arrayHarvey Harrison
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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14asm-{alpha,h8300,um,v850,xtensa}/param.h: unbreak HZ for userspaceMike Frysinger
I noticed this because alpha was broken due to the recent commit commit bdc807871d58285737d50dc6163d0feb72cb0dc2 ("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=1210252894 Signed-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: Andrew Morton <akpm@linux-foundation.org> [ HZ on alpha is 1024 for historical reasons. - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-149p: fix error path during early mountEric Van Hensbergen
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>
2008-05-149p: Documentation updatesEric Van Hensbergen
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: Eric Van Hensbergen <ericvh@gmail.com>
2008-05-14add match_strlcpy() us it to make v9fs make uname and remotename parsing ↵Markus Armbruster
more robust 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-05-14cs5520: disable VDMABartlomiej Zolnierkiewicz
Disable Virtual DMA support for now (it causes system hangs). Thanks to TAKADA Yoshihito for the help with debugging the problem. Reported-by: TAKADA Yoshihito <takada@mbf.nifty.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-05-14make ide-iops.c:SELECT_MASK() staticAdrian Bunk
SELECT_MASK() can now become static. [bart: remove space between function name and open parenthesis] Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-05-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: Driver core: struct class remove children list block: do_mounts - accept root=<non-existant partition>
2008-05-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (22 commits) USB: atmel_usba_udc fixes, mostly disconnect() USB: pxa27x_udc: minor fixes usbtest: comment on why this code "expects" negative and positive errnos USB: remove PICDEM FS USB demo (04d8:000c) device from ldusb USB: option: add new Dell 5520 HSDPA variant USB: unusual_devs: Add support for GI 0401 SD-Card interface USB: serial gadget: descriptor cleanup USB: serial gadget: simplify endpoint handling USB: serial gadget: remove needless data structure USB: serial gadget: cleanup/reorg usb: fix compile warning in isp1760 USB: do not handle device 1410:5010 in 'option' driver USB: Fix unusual_devs.h ordering USB: add Zoom Telephonics Model 3095F V.92 USB Mini External modem to cdc-acm USB: Support for the ET502HS HDSPA modem in option driver USB: Support for the ET502HS HDSPA modem usb: fix integer as NULL pointer warnings found by sparse USB: isp1760: fix printk format USB: add Telstra NextG CDMA id to option driver USB: add association.h ...
2008-05-14Driver core: struct class remove children listDave Young
because of the class_device was removed, now do the children list removing Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-14block: do_mounts - accept root=<non-existant partition>Kay Sievers
Some devices, like md, may create partitions only at first access, so allow root= to be set to a valid non-existant partition of an existing disk. This applies only to non-initramfs root mounting. This fixes a regression from 2.6.24 which did allow this to happen and broke some users machines :( Acked-by: Neil Brown <neilb@suse.de> Tested-by: Joao Luis Meloni Assirati <assirati@nonada.if.usp.br> Cc: stable <stable@kernel.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (73 commits) net: Fix typo in net/core/sock.c. ppp: Do not free not yet unregistered net device. netfilter: xt_iprange: module aliases for xt_iprange netfilter: ctnetlink: dump conntrack ID in event messages irda: Fix a misalign access issue. (v2) sctp: Fix use of uninitialized pointer cipso: Relax too much careful cipso hash function. tcp FRTO: work-around inorder receivers tcp FRTO: Fix fallback to conventional recovery New maintainer for Intel ethernet adapters DM9000: Use delayed work to update MII PHY state DM9000: Update and fix driver debugging messages DM9000: Add __devinit and __devexit attributes to probe and remove sky2: fix simple define thinko [netdrvr] sfc: sfc: Add self-test support [netdrvr] sfc: Increment rx_reset when reported as driver event [netdrvr] sfc: Remove unused macro EFX_XAUI_RETRAIN_MAX [netdrvr] sfc: Fix code formatting [netdrvr] sfc: Remove kernel-doc comments for removed members of struct efx_nic [netdrvr] sfc: Remove garbage from comment ...
2008-05-14fix SMP data race in pagetable setup vs walkingNick Piggin
There is a possible data race in the page table walking code. After the split ptlock patches, it actually seems to have been introduced to the core code, but even before that I think it would have impacted some architectures (powerpc and sparc64, at least, walk the page tables without taking locks eg. see find_linux_pte()). The race is as follows: The pte page is allocated, zeroed, and its struct page gets its spinlock initialized. The mm-wide ptl is then taken, and then the pte page is inserted into the pagetables. At this point, the spinlock is not guaranteed to have ordered the previous stores to initialize the pte page with the subsequent store to put it in the page tables. So another Linux page table walker might be walking down (without any locks, because we have split-leaf-ptls), and find that new pte we've inserted. It might try to take the spinlock before the store from the other CPU initializes it. And subsequently it might read a pte_t out before stores from the other CPU have cleared the memory. There are also similar races in higher levels of the page tables. They obviously don't involve the spinlock, but could see uninitialized memory. Arch code and hardware pagetable walkers that walk the pagetables without locks could see similar uninitialized memory problems, regardless of whether split ptes are enabled or not. I prefer to put the barriers in core code, because that's where the higher level logic happens, but the page table accessors are per-arch, and open-coding them everywhere I don't think is an option. I'll put the read-side barriers in alpha arch code for now (other architectures perform data-dependent loads in order). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14read_barrier_depends arch fixletsNick Piggin
read_barrie_depends has always been a noop (not a compiler barrier) on all architectures except SMP alpha. This brings UP alpha and frv into line with all other architectures, and fixes incorrect documentation. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14USB: add association.hGreg Kroah-Hartman
This will be used by the wireless usb code, as well as potentially other USB code. Originally based on some .c code written by Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-13irda: Fix a misalign access issue. (v2)Graf Yang
Replace u16ho with put/get_unaligned functions Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-13Merge branch 'for-linus' of ↵Linus Torvalds
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] ASoC: Fix wrong enum count for jack_function in N810 machine driver [ALSA] ASoC: build fix for snd_soc_info_bool_ext [ALSA] ASoC: Fix TLV320AIC3X mono line output interconnect [ALSA] soc - fsl_ssi.c fix "BUG: scheduling while atomic" [ALSA] emux midi synthesizer doesn't honor SOFT_PEDAL-release event
2008-05-13fuse: add flag to turn on big writesMiklos Szeredi
Prior to 2.6.26 fuse only supported single page write requests. In theory all fuse filesystem should be able support bigger than 4k writes, as there's nothing in the API to prevent it. Unfortunately there's a known case in NTFS-3G where big writes cause filesystem corruption. There could also be other filesystems, where the lack of testing with big write requests would result in bugs. To prevent such problems on a kernel upgrade, disable big writes by default, but let filesystems set a flag to turn it on. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Szabolcs Szakacsits <szaka@ntfs-3g.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13memcg: fix possible panic when CONFIG_MM_OWNER=yKOSAKI Motohiro
When mm destruction happens, we should pass mm_update_next_owner() the old mm. But unfortunately new mm is passed in exec_mmap(). Thus, kernel panic is possible when a multi-threaded process uses exec(). Also, the owner member comment description is wrong. mm->owner does not necessarily point to the thread group leader. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: "Paul Menage" <menage@google.com> Cc: "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13cpumask: remove bitmap_scnprintf_len and cpumask_scnprintf_lenPaul Jackson
They aren't used. They were briefly used as part of some other patches to provide an alternative format for displaying some /proc and /sys cpumasks. They probably should have been removed when those other patches were dropped, in favor of a different solution. Signed-off-by: Paul Jackson <pj@sgi.com> Cc: "Mike Travis" <travis@sgi.com> Cc: "Bert Wesarg" <bert.wesarg@googlemail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13uml: random driver fixesJeff Dike
The random driver would essentially hang if the host's /dev/random returned -EAGAIN. There was a test of need_resched followed by a schedule inside the loop, but that didn't help and it's the wrong way to work anyway. The right way is to ask for an interrupt when there is input available from the host and handle it then rather than polling. Now, when the host's /dev/random returns -EAGAIN, the driver asks for a wakeup when there's randomness available again and sleeps. The interrupt routine just wakes up whatever processes are sleeping on host_read_wait. There is an atomic_t, host_sleep_count, which counts the number of processes waiting for randomness. When this reaches zero, the interrupt is disabled. An added complication is that async I/O notification was only recently added to /dev/random (by me), so essentially all hosts will lack it. So, we use the sigio workaround here, which is to have a separate thread poll on the descriptor and send an interrupt when there is input on it. This mechanism is activated when a process gets -EAGAIN (activating this multiple times is harmless, if a bit wasteful) and deactivated by the last process still waiting. The module name was changed from "random" to "hw_random" in order for udev to recognize it. The sigio workaround needed some changes. sigio_broken was added for cases when we know that async notification doesn't work. This is now called from maybe_sigio_broken, which deals with pts devices. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13uml: use PAGE_SIZE in linker scriptsCyrill Gorcunov
This patch includes page.h header into linker scripts that allow us to use PAGE_SIZE macro instead of numeric constant. To be able to include page.h into linker scripts page.h is needed for some modification - i.e. we need to use __ASSEMBLY__ and _AC macro [jdike@linux.intel.com - fixed conflict with as-layout.h] Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13uml: remove unused headerJeff Dike
From: Adrian Bunk <bunk@kernel.org> This patch removes the unused and broken (the normal asm/keyboard.h files no longer exists) include/asm-um/keyboard.h Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13[ALSA] ASoC: build fix for snd_soc_info_bool_extPhilipp Zabel
I suspect that snd_ctl_boolean_mono should have been snd_ctl_boolean_mono_info instead. This fixes the build for magician. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-05-12sparc64: Use a TS_RESTORE_SIGMASKDavid S. Miller
This mirrors x86 changeset 5a8da0ea82db6fa9737041381079fd16f25dcce2 ("signals: x86 TS_RESTORE_SIGMASK") on sparc64. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-12net: Allow netdevices to specify needed head/tailroomJohannes Berg
This patch adds needed_headroom/needed_tailroom members to struct net_device and updates many places that allocate sbks to use them. Not all of them can be converted though, and I'm sure I missed some (I mostly grepped for LL_RESERVED_SPACE) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-12net: Set LL_MAX_HEADER properly for wireless.David S. Miller
Wireless networking, particularly with MESH enabled, has quite strong requirements for link-layer header space. Based upon some numbers and descriptions from Johannes Berg we use 96 (same as AX25) for plain wireless, and with mesh enabled we use 128. In the process, simplify the cpp conditional logic here by ordering the cases by those needing the most space down to those needing the least case. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-12sparc: Fix mremap address range validation.David S. Miller
Just like mmap, we need to validate address ranges regardless of MAP_FIXED. sparc{,64}_mmap_check()'s flag argument is unused, remove. Based upon a report and preliminary patch by Jan Lieskovsky <jlieskov@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-12Make 'cond_resched()' nullification depend on PREEMPT_BKLLinus Torvalds
Because it's not correct with a non-preemptable BKL and just causes PREEMPT kernels to have longer latencies than non-PREEMPT ones (which is obviously not the point of it at all). Of course, that config option actually got removed as an option earlier, so for now this basically disables it entirely, but if BKL preemption is ever resurrected it will be a meaningful optimization. And in the meantime, it at least documents the intent of the code, while not doing the wrong thing. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-12Fix up 'need_resched()' definitionLinus Torvalds
We should not go through the task pointer to get at the thread info, since it's usually cheaper to just access the thread info directly. So don't make the code look up 'current', when we can just use the thread info accessor functions directly. This generally avoids one level of indirection and tends to work better together with code that also looks at other thread flags (eg preempt_count). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-inttypesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-inttypes: types: s390: fix #ifdef reversal in <asm-s390/types.h>
2008-05-12Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (28 commits) [MIPS] Pb1000: bury the remnants of the PCI code [MIPS] Fix build failure in mips oprofile code [MIPS] fix warning message on SMP kernels [MIPS] markeins: build fix [MIPS] ELF handling - use SELFMAG instead of numeric constant [MIPS] Get rid of __ilog2 [MIPS] Fix __fls for non-MIPS32/MIPS64 cpus [MIPS] XXS1500 code style cleanup [MIPS] MTX-1 code style cleanup [MIPS] Pb1200/DBAu1200 code style cleanup [MIPS] Pb1550 code style cleanup [MIPS] Pb1500 code style cleanup [MIPS] Pb1100 code style cleanup [MIPS] Pb1000 code style cleanup [MIPS] DBAu1xx0 code style cleanup [MIPS] Alchemy PCI code style cleanup [MIPS] Alchemy common code style cleanup [MIPS] Alchemy common headers style cleanup [MIPS] Add empty argument parenthesis to GCC_IMM_ASM [MIPS] msp_hwbutton.c: minor irq handler cleanups ...
2008-05-12types: s390: fix #ifdef reversal in <asm-s390/types.h>H. Peter Anvin
The #ifdef for the integer types was reversed; the standard pattern in these files are: #ifndef __s390x__ /* 32-bit code */ #else /* 64-bit code */ #endif Stick with the original pattern, but make sure the 32-bit code actually comes first! Reported by Al Viro. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk>
2008-05-12[MIPS] Get rid of __ilog2Ralf Baechle
56a6b1eb7bfb5ace0b5cb9c149f502fbd101b8ab was a bit too conservative and left __ilog2 around which is only used as an internal function for other bitops. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-05-12[MIPS] Fix __fls for non-MIPS32/MIPS64 cpusThomas Bogendoerfer
Only MIPS32 and MIPS64 CPUs implement clz/dclz. Therefore don't export __ilog2() for non MIPS32/MIPS64 cpus and use generic __fls bitop code for these cpus. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-05-12[MIPS] Pb1200/DBAu1200 code style cleanupSergei Shtylyov
Fix several errors and warnings given by checkpatch.pl: - use of C99 // comments; - initialization of a 'static' variable to 0; - space after opening and before closing parentheses; - missing space between 'for' and opening parenthesis; - macros with complex values not enclosed in parentheses; - printk() without KERN_* facility level; - unnecessary braces for single-statement block; - using simple_strtol() where strict_strtol() could be used; - line over 80 characters. In addition to these changes, also do the following: - mention DBAu1200 board in the Makefile; - replace the group of #include/#ifdef directives by a single #include <au1xxx.h> since this header contains the needed stuff; - properly indent the blocks; - insert spaces between operator and its operands, remove excess spaces there; - remove needless parentheses and add some for clarity; - replace numeric literals/expressions with the matching macros; - remove space after the type cast's closing parenthesis; - reduce pb1200_setup_cascade() to the single 'return' statement; - reduce the number of printed empty lines in the so-called CPLD workaround; - remove #undef AU1X00_EXTERNAL_INT since that macro is not defined anywhere; - replace spaces after the macro name with tabs in the #define directives; - remove excess tabs after the macro name in the #define directives; - fix typo in the BCSR_RESETS_PWMR1mUX macro's name; - group all Pb1200 PCMCIA definitions together; - put the function's result type and name/parameters on the same line; - insert missing and remove excess new lines; - make the multi-line comment style consistent with the kernel style elsewhere by adding empty first line and/or adding space/asterisk on their left side; - fix typos/errors, capitalize acronyms, etc. in the comments; - combine some comments; - update MontaVista copyright; - remove Pete Popov's old email address... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-05-12[MIPS] Pb1550 code style cleanupSergei Shtylyov
Fix a few errors and warnings given by checkpatch.pl: - macros with complex values not enclosed in parentheses; - printk() without KERN_* facility level; - unnecessary braces for single-statement block; - using simple_strtol() where strict_strtol() could be used. In addition to these changes, also do the following: - replace numeric literals with the matching macros; - properly indent the code and the array initializers; - insert spaces between operator and its operands, also remove excess spaces there; - remove space after the type cast's closing parenthesis; - insert missing space before closing brace in the array initializers; - replace spaces after the macro name with tabs in the #define directives, also sometimes insert space there for better looks; - remove excess tabs after the macro name in the #define directives; - fix typos/errors, capitalize acronyms, etc. in the comments; - make the multi-line comment style consistent with the kernel style elsewhere by adding empty first line; - update MontaVista copyright; - remove Pete Popov's old email address... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-05-12[MIPS] Pb1500 code style cleanupSergei Shtylyov
Fix several errors and warnings given by checkpatch.pl: - use of C99 // comments; - printk() without KERN_* facility level; - unnecessary braces for single-statement block; - using simple_strtol() where strict_strtol() could be used. In addition to these changes, also do the following: - replace numeric literals/expressions with the matching macros; - insert spaces between operator and its operands; - properly indent the code and the array initializers; - remove useless #if dirctive from board_setup(); - remove needless parentheses; - remove unneeded type casts; - remove excess new lines; - make hexadecimal literals all lower case; - remove space after the type cast's closing parenthesis; - insert missing space before closing brace in the array initializers; - replace spaces after the macro name with tabs in the #define directives, also sometimes insert space there for better looks; - fix typos/errors, capitalize acronyms, etc. in the comments; - update MontaVista copyright; - remove Pete Popov's old email address... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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