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2008-05-26Linux 2.6.26-rc4Linus Torvalds1-1/+1
2008-05-26posix timers: discard SI_TIMER signals on execOleg Nesterov3-0/+37
Based on Roland's patch. This approach was suggested by Austin Clements from the very beginning, and then by Linus. As Austin pointed out, the execing task can be killed by SI_TIMER signal because exec flushes the signal handlers, but doesn't discard the pending signals generated by posix timers. Perhaps not a bug, but people find this surprising. See http://bugzilla.kernel.org/show_bug.cgi?id=10460 Signed-off-by: Oleg Nesterov <[email protected]> Cc: Austin Clements <[email protected]> Cc: Roland McGrath <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-26posix timers: sigqueue_free: don't free sigqueue if it is queuedOleg Nesterov1-6/+10
Currently sigqueue_free() removes sigqueue from list, but doesn't cancel the pending signal. This is not consistent, the task should either receive the "full" signal along with siginfo_t, or it shouldn't receive the signal at all. Change sigqueue_free() to clear SIGQUEUE_PREALLOC but leave sigqueue on list if it is queued. This is a user-visible change. If the signal is blocked, it stays queued after sys_timer_delete() until unblocked with the "stale" si_code/si_value, and of course it is still counted wrt RLIMIT_SIGPENDING which also limits the number of posix timers. Signed-off-by: Oleg Nesterov <[email protected]> Cc: Austin Clements <[email protected]> Cc: Roland McGrath <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-26Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds2-14/+9
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Align i2c_device_id tuner: Do not alter i2c_client.name
2008-05-26Merge branch 'for-linus' of ↵Linus Torvalds2-4/+6
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: slub: ksize() abuse checks slob: Fix to return wrong pointer
2008-05-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26Linus Torvalds6-104/+241
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26: sh: Drop broken URAM support on SH7723. sh: update Migo-R defconfig sh: use sm501 8250 mfd support on r2d boards sh: add probe support for new sh7723 cut sh: fix VPU interrupt vector for sh7723 sh: fix USBF resource for sh7722
2008-05-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds1-2/+6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: global_reg_snapshot is not for userspace
2008-05-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds53-599/+867
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (52 commits) vlan: Use bitmask of feature flags instead of seperate feature bits fmvj18x_cs: add NextCom NC5310 rev B support xirc2ps_cs: re-initialize the multicast address in do_reset 3C509: rx_bytes should not be increased when alloc_skb failed NETFRONT: Use __skb_queue_purge() VIRTIO: Use __skb_queue_purge() phylib: do EXPORT_SYMBOL on get_phy_id netlink: Fix nla_parse_nested_compat() to call nla_parse() directly WAN: protect HDLC proto list while insmod/rmmod drivers/net/fs_enet: remove null pointer dereference S2io: Version update for napi and MSI-X patches S2io: Added napi support when MSIX is enabled. S2io: Move all the transmit completions to a single msi-x (alarm) vector drivers/net/ehea - remove unnecessary memset after kzalloc au1000_eth: remove useless check Blackfin EMAC Driver: Removed duplicated include <linux/ethtool.h> cpmac bugfixes and enhancements e1000e: use resource_size_t, not unsigned long, for phys addrs net/usb: add support for Apple USB Ethernet Adapter uli526x: add support for netpoll ...
2008-05-26i2c: Align i2c_device_idJiri Slaby1-1/+2
Align i2c_device_id.driver_data to 8 bytes to not fail on crossbuilds. (Added in d2653e92732bd3911feff6bee5e23dbf959381db.) Signed-off-by: Jiri Slaby <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2008-05-26tuner: Do not alter i2c_client.nameMichael Krufky1-13/+7
The tuner driver used to change i2c_client.name for its own needs, but it really shouldn't, as this field is used by i2c-core to do the device/driver matching. So, create and use a separate field for the tuner driver needs. Signed-off-by: Michael Krufky <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2008-05-26avr32: Update defconfigsHaavard Skinnemoen4-329/+516
Just provide reasonable defaults for the new stuff. Tickless and hrtimers are turned on for all boards except ATSTK1004. Signed-off-by: Haavard Skinnemoen <[email protected]>
2008-05-26avr32: export strnlen_userAdrian Bunk1-0/+2
This patch fixes the following build error: <-- snip --> ... MODPOST 1327 modules ERROR: "strnlen_user" [drivers/input/misc/uinput.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> Reported-by: Adrian Bunk <[email protected]> Signed-off-by: Adrian Bunk <[email protected]> Signed-off-by: Haavard Skinnemoen <[email protected]>
2008-05-26avr32: export copy_pageAdrian Bunk1-0/+2
This patch fixes the following build error: <-- snip --> ... MODPOST 61 modules ERROR: "copy_page" [fs/fuse/fuse.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> Also add an empty line since *_page aren't "String functions". Signed-off-by: Adrian Bunk <[email protected]> Signed-off-by: Haavard Skinnemoen <[email protected]>
2008-05-25sparc64: global_reg_snapshot is not for userspaceAdrian Bunk1-2/+6
global_reg_snapshot shouldn't be visible in our userspace headers. Signed-off-by: Adrian Bunk <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2008-05-26sh: Drop broken URAM support on SH7723.Paul Mundt2-7/+0
This was copied over from the previous MobileR bits, which doesn't apply to R2. The URAM block on R2 is recycled for the L2 instead. Signed-off-by: Paul Mundt <[email protected]>
2008-05-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds4-14/+6
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: Kconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LIST .gitignore: match ncscope.out scripts/ver_linux use 'gcc -dumpversion'
2008-05-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds8-116/+485
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver [WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system's [WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timers [WATCHDOG] hpwdt: Fix NMI handling. [WATCHDOG] Blackfin Watchdog Driver: split platform device/driver [WATCHDOG] Add w83697h_wdt early_disable option [WATCHDOG] Make w83697h_wdt timeout option string similar to others [WATCHDOG] Make w83697h_wdt void-like functions void
2008-05-25Merge branch 'for-linus' of ↵Linus Torvalds6-4/+31
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: [ALSA] hda - Fix capture mute Widget for stac9250/9251 [ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number [ALSA] hda - Added support for Foxconn P35AX-S mainboard [ALSA] hda - Fix COEF and EAPD in ALC889 auto-configuration mode [ALSA] hda - Fix noise on VT1708 codec [ALSA] hda - Add model for ASUS P5K-E/WIFI-AP
2008-05-25Kconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LISTSam Ravnborg2-10/+4
init/Kconfig contains a list of configs that are searched for if 'make *config' are used with no .config present. Extend this list to look at the config identified by ARCH_DEFCONFIG. With this change we now try the defconfig targets last. This fixes a regression reported by: Linus Torvalds <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: "H. Peter Anvin" <[email protected]>
2008-05-25.gitignore: match ncscope.outJike Song1-0/+1
Sometimes I got this: $ git-status {snip} # On branch master # Untracked files: # (use "git add <file>..." to include in what will be committed) # # ncscope.out nothing added to commit but untracked files present (use "git add" to track) Fix it. Signed-off-by: Jike Song <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2008-05-25scripts/ver_linux use 'gcc -dumpversion'Gabriel C1-4/+1
These magic greps and hacks in ver_linux to get the gcc version always break after some gcc releases. Since now gcc >4.3 allows compiling with '--with-pkgversion' ( which can be everything 'My Cool Gcc' or something ) ver_linux will report random junk for these. Simply use 'gcc -dumpversion' to get the gcc version which should always work. Signed-off-by: Gabriel C <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2008-05-25[ALSA] hda - Fix capture mute Widget for stac9250/9251Mauro Carvalho Chehab1-1/+1
Fix capture mute widget for STAC9250/9251 codecs. The widget 0x09 has no mute but 0x14 does actually. Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2008-05-25[ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item numberStas Sergeev2-3/+6
This solves the problem with mixers wrongly displaying the PWM freq. Signed-off-by: Stas Sergeev <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2008-05-25[WATCHDOG] Add ICH9DO into the iTCO_wdt.c driverGabriel C1-5/+9
Add the Intel ICH9DO controller ID's for the iTCO_wdt kernel driver and bump the driver version. Tested on an P5E-VM DO ASUS motherboard. Signed-off-by: Gabriel Craciunescu <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2008-05-25[WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system'sChen Gong1-48/+40
On Book-E SMP systems each core has its own private watchdog. If only one watchdog is enabled, when the core that doesn't enable the watchdog is hung, system can't reset because no watchdog is running on it. That's bad. It means we must enable watchdogs on both cores. We can use smp_call_function() to send appropriate messages to all the other cores to enable and update the watchdog. Signed-off-by: Chen Gong <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2008-05-25[WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timersJordan Crouse3-0/+323
Add a watchdog timer based on the MFGPT timers in the CS5535/CS5536 companion chips to the AMD Geode GX and LX processors. Only caveat is that the BIOS must provide at least a one free timer, and most do not. Signed-off-by: Jordan Crouse <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-25[WATCHDOG] hpwdt: Fix NMI handling.Mingarelli, Thomas1-15/+12
I need to just return in case it's not my NMI so someone else can take a look at it (and reset die_nmi_called to 0 in case I actually do get one that's mine to handle). Signed-off-by: Thomas Mingarelli <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-25[WATCHDOG] Blackfin Watchdog Driver: split platform device/driverMike Frysinger1-40/+71
- split platform device/driver registering from actual watchdog device/driver registering so that we can cleanly load/unload - fixup __initdata with __initconst and __devinitdata with __devinitconst Signed-off-by: Mike Frysinger <[email protected]> Signed-off-by: Bryan Wu <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-25[WATCHDOG] Add w83697h_wdt early_disable optionSamuel Tardieu1-1/+26
Pádraig Brady requested the possibility of not disabling the watchdog at module load time or kernel boot time if it had been previously enabled in the bios. It may help rebooting the machine if it freezes before the userland daemon kicks in. Signed-off-by: Samuel Tardieu <[email protected]> Cc: Pádraig Brady <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-25[WATCHDOG] Make w83697h_wdt timeout option string similar to othersSamuel Tardieu1-1/+1
Signed-off-by: Samuel Tardieu <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-25[WATCHDOG] Make w83697h_wdt void-like functions voidSamuel Tardieu1-6/+3
Some non-exported functions always returned 0. Mark them void instead. Signed-off-by: Samuel Tardieu <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2008-05-24Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds8-21/+38
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip: x86: prevent PGE flush from interruption/preemption x86: use explicit copy in vdso_gettimeofday() namespacecheck: automated fixes x86/xen: fix arbitrary_virt_to_machine() x86: don't read maxlvt before checking if APIC is mapped x86: disable TSC for sched_clock() when calibration failed x86: distangle user disabled TSC from unstable x86: fix setup of cyc2ns in tsc_64.c
2008-05-24Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds19-58/+74
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] integrator: fix build warnings and errors [ARM] fix OMAP include loops Revert "[ARM] pxa: spitz wants PXA27x UDC definitions" [ARM] 5053/1: define before use of processor_id [ARM] 5052/1: export clock functions for the at91x40 [ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too [ARM] omap: fix omap clk support build errors [ARM] 5039/1: S3C244X: Rename SDI device if running on S3C244X. [ARM] 5043/1: pxafb: remove unused mode variable in pxafb_init_fbinfo [ARM] 5041/1: VR1000: Fix DM9000 IRQ flags initialisation [ARM] 5040/1: BAST: Fix DM9000 IRQ flags initialisation [ARM] 5038/1: ARM: OMAP: Remove tsc2102 references from board-palmte.c [ARM] 5025/2: fix collie cpu initialisation
2008-05-24spi: remove some spidev oops-on-rmmod pathsDavid Brownell1-13/+89
Somehow the spidev code forgot to include a critical mechanism: when the underlying device is removed (e.g. spi_master rmmod), open file descriptors must be prevented from issuing new I/O requests to that device. On penalty of the oopsing reported by Sebastian Siewior <[email protected]> ... This is a partial fix, adding handshaking between the lower level (SPI messaging) and the file operations using the spi_dev. (It also fixes an issue where reads and writes didn't return the number of bytes sent or received.) There's still a refcounting issue to be addressed (separately). Signed-off-by: David Brownell <[email protected]> Reported-by: Sebastian Siewior <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24cgroups: remove node_ prefix_from ns subsystemCedric Le Goater1-1/+1
This is a slight change in the namespace cgroup subsystem api. The change is that previously when cgroup_clone() was called (currently only from the unshare path in ns_proxy cgroup, you'd get a new group named "node_$pid" whereas now you'll get a group named after just your pid.) The only users who would notice it are those who are using the ns_proxy cgroup subsystem to auto-create cgroups when namespaces are unshared - something of an experimental feature, which I think really needs more complete container/namespace support in order to be useful. I suspect the only users are Cedric and Serge, or maybe a few others on [email protected]. And in fact it would only be noticed by the users who make the assumption about how the name is generated, rather than getting it from the /proc/<pid>/cgroups file for the process in question. Whether the change is actually needed or not I'm fairly agnostic on, but I guess it is more elegant to just use the pid as the new group name rather than adding a fairly arbitrary "node_" prefix on the front. [[email protected]: provided changelog] Signed-off-by: Cedric Le Goater <[email protected]> Cc: "Paul Menage" <[email protected]> Cc: "Serge E. Hallyn" <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24for_each_online_pgdat(): kerneldoc fixFernando Luis Vazquez Cao1-1/+1
for_each_pgdat() was renamed to for_each_online_pgdat() and kerneldoc comments should be updated accordingly. Signed-off-by: Fernando Luis Vazquez Cao <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24frv: export empty_zero_pageAdrian Bunk1-0/+3
Fix the following build error: ERROR: "empty_zero_page" [fs/ext4/ext4dev.ko] undefined! Reported-by: Adrian Bunk <[email protected]> Signed-off-by: Adrian Bunk <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24sys_prctl(): fix return of uninitialized valueShi Weihua1-4/+2
If none of the switch cases match, the PR_SET_PDEATHSIG and PR_SET_DUMPABLE cases of the switch statement will never write to local variable `error'. Signed-off-by: Shi Weihua <[email protected]> Cc: Andrew G. Morgan <[email protected]> Acked-by: "Serge E. Hallyn" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24edac: mpc85xx: fix building as a moduleKumar Gala1-3/+0
including of <asm/mpc85xx.h> causes build problems since it doesn't exist. Also removed warning: drivers/edac/mpc85xx_edac.c:45: warning: 'mpc85xx_ctl_name' defined but not used Signed-off-by: Kumar Gala <[email protected]> Acked-by: Doug Thompson <[email protected]> Acked-by: Dave Jiang <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24gpio: build fixesDavid Brownell2-1/+8
This fixes various gpio-related build errors (mostly potential) reported in part by Russell King and Uwe Kleine-König. Signed-off-by: David Brownell <[email protected]> Cc: Uwe Kleine-König <[email protected]> Cc: Russell King <[email protected]> Cc: Arnaud Patard <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24S3C2410: fix driver MODULE_ALIAS()Ben Dooks1-0/+2
Add a correct MODULE_ALIAS() entry for this driver to enable udev module loading. Signed-off-by: Ben Dooks <[email protected]> Cc: Arnaud Patard <[email protected]> Acked-by: Krzysztof Helt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24S3C2410: clean out changelog header and tidyBen Dooks2-83/+11
Remove the old changelog entries which are now out of date and should be extractable from git anyway. Also tidy up the copyright for the driver. Signed-off-by: Ben Dooks <[email protected]> Cc: Arnaud Patard <[email protected]> Acked-by: Krzysztof Helt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24S3C2410: add error print if we cannot add attributeBen Dooks1-1/+4
Fix the following warning by checking the result of device_create_file and printing an error but not removing the device (loss of debug registers is not fatal). drivers/video/s3c2410fb.c:905: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result Signed-off-by: Ben Dooks <[email protected]> Cc: Arnaud Patard <[email protected]> Acked-by: Krzysztof Helt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24S3C2410: ensure that FB_BLANK_POWERDOWN shuts down the controllerBen Dooks1-20/+29
When a blank level of FB_BLANK_POWERDOWN is used, we should shut down the controller so that it no longer tries to produce any panel signals or data, and shuts down the DMA which is not needed. Signed-off-by: Ben Dooks <[email protected]> Cc: Arnaud Patard <[email protected]> Acked-by: Krzysztof Helt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24SM501: reverse FPEN/VBIASEN flags behaviourBen Dooks2-6/+6
To keep backwards compatibility, reverse the meanings of these flags so that when they are not set, the driver uses the original behvaiour. Signed-off-by: Ben Dooks <[email protected]> Cc: Arnaud Patard <[email protected]> Acked-by: Krzysztof Helt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24memory hotplug: fix early allocation handlingHeiko Carstens1-1/+1
Trying to add memory via add_memory() from within an initcall function results in bootmem alloc of 163840 bytes failed! Kernel panic - not syncing: Out of memory This is caused by zone_wait_table_init() which uses system_state to decide if it should use the bootmem allocator or not. When initcalls are handled the system_state is still SYSTEM_BOOTING but the bootmem allocator doesn't work anymore. So the allocation will fail. To fix this use slab_is_available() instead as indicator like we do it everywhere else. [[email protected]: coding-style fix] Reviewed-by: Andy Whitcroft <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Gerald Schaefer <[email protected]> Cc: KAMEZAWA Hiroyuki <[email protected]> Acked-by: Yasunori Goto <[email protected]> Signed-off-by: Heiko Carstens <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24zonelists: handle a node zonelist with no applicable entriesAndy Whitcroft1-0/+3
When booting 2.6.26-rc3 on a multi-node x86_32 numa system we are seeing panics when trying node local allocations: BUG: unable to handle kernel NULL pointer dereference at 0000034c IP: [<c1042507>] get_page_from_freelist+0x4a/0x18e *pdpt = 00000000013a7001 *pde = 0000000000000000 Oops: 0000 [#1] SMP Modules linked in: Pid: 0, comm: swapper Not tainted (2.6.26-rc3-00003-g5abc28d #82) EIP: 0060:[<c1042507>] EFLAGS: 00010282 CPU: 0 EIP is at get_page_from_freelist+0x4a/0x18e EAX: c1371ed8 EBX: 00000000 ECX: 00000000 EDX: 00000000 ESI: f7801180 EDI: 00000000 EBP: 00000000 ESP: c1371ec0 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process swapper (pid: 0, ti=c1370000 task=c12f5b40 task.ti=c1370000) Stack: 00000000 00000000 00000000 00000000 000612d0 000412d0 00000000 000412d0 f7801180 f7c0101c f7c01018 c10426e4 f7c01018 00000001 00000044 00000000 00000001 c12f5b40 00000001 00000010 00000000 000412d0 00000286 000412d0 Call Trace: [<c10426e4>] __alloc_pages_internal+0x99/0x378 [<c10429ca>] __alloc_pages+0x7/0x9 [<c105e0e8>] kmem_getpages+0x66/0xef [<c105ec55>] cache_grow+0x8f/0x123 [<c105f117>] ____cache_alloc_node+0xb9/0xe4 [<c105f427>] kmem_cache_alloc_node+0x92/0xd2 [<c122118c>] setup_cpu_cache+0xaf/0x177 [<c105e6ca>] kmem_cache_create+0x2c8/0x353 [<c13853af>] kmem_cache_init+0x1ce/0x3ad [<c13755c5>] start_kernel+0x178/0x1ee This occurs when we are scanning the zonelists looking for a ZONE_NORMAL page. In this system there is only ZONE_DMA and ZONE_NORMAL memory on node 0, all other nodes are mapped above 4GB physical. Here is a dump of the zonelists from this system: zonelists pgdat=c1400000 0: c14006c0:2 f7c006c0:2 f7e006c0:2 c1400360:1 c1400000:0 1: c14006c0:2 c1400360:1 c1400000:0 zonelists pgdat=f7c00000 0: f7c006c0:2 f7e006c0:2 c14006c0:2 c1400360:1 c1400000:0 1: f7c006c0:2 zonelists pgdat=f7e00000 0: f7e006c0:2 c14006c0:2 f7c006c0:2 c1400360:1 c1400000:0 1: f7e006c0:2 When performing a node local allocation we call get_page_from_freelist() looking for a page. It in turn calls first_zones_zonelist() which returns a preferred_zone. Where there are no applicable zones this will be NULL. However we use this unconditionally, leading to this panic. Where there are no applicable zones there is no possibility of a successful allocation, so simply fail the allocation. Signed-off-by: Andy Whitcroft <[email protected]> Acked-by: Mel Gorman <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24serial: fix enable_irq_wake/disable_irq_wake imbalance in serial_core.cArjan van de Ven1-1/+4
enable_irq_wake() and disable_irq_wake() need to be balanced. However, serial_core.c calls these for different conditions during the suspend and resume functions... This is causing a regular WARN_ON() as found at http://www.kerneloops.org/search.php?search=set_irq_wake This patch makes the conditions for triggering the _wake enable/disable sequence identical. Signed-off-by: Arjan van de Ven <[email protected]> Cc: Alan Cox <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24proc: proc_get_inode() should get module only onceDenis V. Lunev1-1/+2
Any file under /proc/net opened more than once leaked the refcounter on the module it belongs to. The problem is that module_get is called for each file opening while module_put is called only when /proc inode is destroyed. So, lets put module counter if we are dealing with already initialised inode. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=10737 Signed-off-by: Denis V. Lunev <[email protected]> Cc: David Miller <[email protected]> Cc: Patrick McHardy <[email protected]> Acked-by: Pavel Emelyanov <[email protected]> Acked-by: Robert Olsson <[email protected]> Acked-by: Eric W. Biederman <[email protected]> Reported-by: Roland Kletzing <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-05-24brd: don't show ramdisks in /proc/partitionsMarcin Krol1-0/+1
In 2.6.25, ramdisk devices show up in /proc/partitions, which is a behaviour change from the old rd.c. Add GENHD_FL_SUPPRESS_PARTITION_INFO, which was present in rd.c. All kernels prior to 2.6.25 weren't displaying ramdisks in /proc/partitions. Since there are many userspace tools using information from /proc/partitions some of them may now behave incorrectly (I didn't tested any though). For example before 2.6.25 /proc/partitions was empty if no block devices like hard disks and such were detected by kernel. Now all 16 ramdisks are always visible there. Some software may rely on such information (I mean, on empty /proc/partitions). There was quite similar situation back in 2004, and ramdisks were excluded back from displaying. Thats why I called this a regression (maybe a bit unfortunate). See this patch for info: http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.3-rc2/2.6.3-rc2-mm1/broken-out/nbd-proc-partitions-fix.patch I also think that someone somewhere (long time ago) excluded ramdisks from /proc/partitions for good reasons. It is possible that now such new "feature" is harmless, but I think there are more chances that someone will say "hey, /proc/partitions has changed, now my software doesn't work" then "hey where did my new 2.6.25 feature go". nbd devices are also excluded, maybe for very same (unknown to me) reasons. Signed-off-by: Marcin Krol <[email protected]> Signed-off-by: Nick Piggin <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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