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2009-06-30alpha: fix percpu build breakageTejun Heo
alpha percpu access requires custom SHIFT_PERCPU_PTR() definition for modules to work around addressing range limitation. This is done via generating inline assembly using C preprocessing which forces the assembler to generate external reference. This happens behind the compiler's back and makes the compiler think that static percpu variables in modules are unused. This used to be worked around by using __unused attribute for percpu variables which prevent the compiler from omitting the variable; however, recent declare/definition attribute unification change broke this as __used can't be used for declaration. Also, in the process, PER_CPU_ATTRIBUTES definition in alpha percpu.h got broken. This patch adds PER_CPU_DEF_ATTRIBUTES which is only used for definitions and make alpha use it to add __used for percpu variables in modules. This also fixes the PER_CPU_ATTRIBUTES double definition bug. Signed-off-by: Tejun Heo <tj@kernel.org> Tested-by: maximilian attems <max@stro.at> Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30gcov: fix __ctors_start alignmentHeiko Carstens
The ctors section for each object file is eight byte aligned (on 64 bit). However the __ctors_start symbol starts at an arbitrary address dependent on the size of the previous sections. Therefore the linker may add some zeroes after __ctors_start to make sure the ctors contents are properly aligned. However the extra zeroes at the beginning aren't expected by the code. When walking the functions pointers contained in there and extra zeroes are added this may result in random jumps. So make sure that the __ctors_start symbol is always aligned as well. Fixes this crash on an allyesconfig on s390: [ 0.582482] Kernel BUG at 0000000000000012 [verbose debug info unavailable] [ 0.582489] illegal operation: 0001 [#1] SMP DEBUG_PAGEALLOC [ 0.582496] Modules linked in: [ 0.582501] CPU: 0 Tainted: G W 2.6.31-rc1-dirty #273 [ 0.582506] Process swapper (pid: 1, task: 000000003f218000, ksp: 000000003f2238e8) [ 0.582510] Krnl PSW : 0704200180000000 0000000000000012 (0x12) [ 0.582518] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 [ 0.582524] Krnl GPRS: 0000000000036727 0000000000000010 0000000000000001 0000000000000001 [ 0.582529] 00000000001dfefa 0000000000000000 0000000000000000 0000000000000040 [ 0.582534] 0000000001fff0f0 0000000001790628 0000000002296048 0000000002296048 [ 0.582540] 00000000020c438e 0000000001786000 0000000002014a66 000000003f223e60 [ 0.582553] Krnl Code:>0000000000000012: 0000 unknown [ 0.582559] 0000000000000014: 0000 unknown [ 0.582564] 0000000000000016: 0000 unknown [ 0.582570] 0000000000000018: 0000 unknown [ 0.582575] 000000000000001a: 0000 unknown [ 0.582580] 000000000000001c: 0000 unknown [ 0.582585] 000000000000001e: 0000 unknown [ 0.582591] 0000000000000020: 0000 unknown [ 0.582596] Call Trace: [ 0.582599] ([<0000000002014a46>] kernel_init+0x622/0x7a0) [ 0.582607] [<0000000000113e22>] kernel_thread_starter+0x6/0xc [ 0.582615] [<0000000000113e1c>] kernel_thread_starter+0x0/0xc [ 0.582621] INFO: lockdep is turned off. [ 0.582624] Last Breaking-Event-Address: [ 0.582627] [<0000000002014a64>] kernel_init+0x640/0x7a0 Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30eventfd: revised interface and cleanupsDavide Libenzi
Change the eventfd interface to de-couple the eventfd memory context, from the file pointer instance. Without such change, there is no clean way to racely free handle the POLLHUP event sent when the last instance of the file* goes away. Also, now the internal eventfd APIs are using the eventfd context instead of the file*. This patch is required by KVM's IRQfd code, which is still under development. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: Gregory Haskins <ghaskins@novell.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Avi Kivity <avi@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30fuse: invalidation reverse callsJohn Muir
Add notification messages that allow the filesystem to invalidate VFS caches. Two notifications are added: 1) inode invalidation - invalidate cached attributes - invalidate a range of pages in the page cache (this is optional) 2) dentry invalidation - try to invalidate a subtree in the dentry cache Care must be taken while accessing the 'struct super_block' for the mount, as it can go away while an invalidation is in progress. To prevent this, introduce a rw-semaphore, that is taken for read during the invalidation and taken for write in the ->kill_sb callback. Cc: Csaba Henk <csaba@gluster.com> Cc: Anand Avati <avati@zresearch.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2009-06-30fuse: allow umask processing in userspaceMiklos Szeredi
This patch lets filesystems handle masking the file mode on creation. This is needed if filesystem is using ACLs. - The CREATE, MKDIR and MKNOD requests are extended with a "umask" parameter. - A new FUSE_DONT_MASK flag is added to the INIT request/reply. With this the filesystem may request that the create mode is not masked. CC: Jean-Pierre André <jean-pierre.andre@wanadoo.fr> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2009-06-30perf_counter: Provide a way to enable counters on execPaul Mackerras
This provides a way to mark a counter to be enabled on the next exec. This is useful for measuring the total activity of a program without including overhead from the process that launches it. This also changes the perf stat command to use this new facility. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <19017.43927.838745.689203@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide: memory overrun in ide_get_identity_ioctl() on big endian machines using ioctl HDIO_OBSOLETE_IDENTITY ide: fix resume for CONFIG_BLK_DEV_IDEACPI=y ide-cd: handle fragmented packet commands gracefully ide: always kill the whole request on error ide: fix ide_kill_rq() for special ide-{floppy,tape} driver requests
2009-06-29Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2009-06-29ide: fix resume for CONFIG_BLK_DEV_IDEACPI=yBartlomiej Zolnierkiewicz
commit 2f0d0fd2a605666d38e290c5c0d2907484352dc4 ("ide-acpi: cleanup do_drive_get_GTF()") didn't account for the lack of hwif->acpidata check in generic_ide_suspend() [ indirect user of do_drive_get_GTF() through ide_acpi_exec_tfs() ] resulting in broken resume when ACPI support is enabled but ACPI data is unavailable. Fix it by adding ide_port_acpi() helper for checking if port needs ACPI handling and cleaning generic_ide_{suspend,resume}() to use it instead of hiding hwif->acpidata and ide_noacpi checks in IDE ACPI helpers (this should help in preventing similar bugs in the future). While at it: - kill superfluous debugging printks in ide_acpi_{get,push}_timing() Reported-and-tested-by: Etienne Basset <etienne.basset@numericable.fr> Also-reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-29Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds
* 'for-linus' of git://git.infradead.org/users/eparis/notify: fs: allow d_instantiate to be called with negative parent dentry
2009-06-29Merge branch 'bugfixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: integrity: add ima_counts_put (updated) integrity: ima audit hash_exists fix integrity: ima mq_open imbalance msg fix
2009-06-29fs: allow d_instantiate to be called with negative parent dentryJeremy Kerr
The new fsnotify infrastructure (starting at 90586523) causes an oops in spufs, where we populate a directory with files before instantiating the directory itself. The new changes seem to have introduced an assumption that a dentry's parent will be positive when instantiating. This change makes it once again possible to d_instantiate a dentry with a negative parent, and brings __fsnotify_d_instantiate() into line with inotify_d_instantiate(), which already has this NULL check. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Eric Paris <eparis@redhat.com>
2009-06-29netfilter: xtables: conntrack match revision 2Jan Engelhardt
As reported by Philip, the UNTRACKED state bit does not fit within the 8-bit state_mask member. Enlarge state_mask and give status_mask a few more bits too. Reported-by: Philip Craig <philipc@snapgear.com> References: http://markmail.org/thread/b7eg6aovfh4agyz7 Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-29netfilter: headers_check fix: linux/netfilter/xt_osf.hJaswinder Singh Rajput
fix the following 'make headers_check' warnings: usr/include/linux/netfilter/xt_osf.h:40: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-29netfilter: tcp conntrack: fix unacknowledged data detection with NATPatrick McHardy
When NAT helpers change the TCP packet size, the highest seen sequence number needs to be corrected. This is currently only done upwards, when the packet size is reduced the sequence number is unchanged. This causes TCP conntrack to falsely detect unacknowledged data and decrease the timeout. Fix by updating the highest seen sequence number in both directions after packet mangling. Tested-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-28Merge 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: be2net: Fix to avoid a crash seen on PPC with LRO and Jumbo frames. gro: Flush GRO packets in napi_disable_pending path inet: Call skb_orphan before tproxy activates mac80211: Use rcu_barrier() on unload. sunrpc: Use rcu_barrier() on unload. bridge: Use rcu_barrier() instead of syncronize_net() on unload. ipv6: Use rcu_barrier() on module unload. decnet: Use rcu_barrier() on module unload. sky2: Fix checksum endianness mdio add missing GPL flag sh_eth: remove redundant test on unsigned fsl_pq_mdio: Fix fsl_pq_mdio to work with modules ipv6: avoid wraparound for expired preferred lifetime tcp: missing check ACK flag of received segment in FIN-WAIT-2 state atl1*: add device_set_wakeup_enable to atl1*_set_wol Phonet: generate Netlink RTM_DELADDR when destroying a device Phonet: publicize the Netlink notification function Revert "veth: prevent oops caused by netdev destructor" cpmac: fix compilation failure introduced with netdev_ops conversion ipsec: Fix name of CAST algorithm
2009-06-29integrity: add ima_counts_put (updated)Mimi Zohar
This patch fixes an imbalance message as reported by J.R. Okajima. The IMA file counters are incremented in ima_path_check. If the actual open fails, such as ETXTBSY, decrement the counters to prevent unnecessary imbalance messages. Reported-by: J.R. Okajima <hooanon05@yahoo.co.jp> Signed-off-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-28Merge branch 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
* 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: shut up uninit compiler warning in paging_tmpl.h KVM: Ignore reads to K7 EVNTSEL MSRs KVM: VMX: Handle vmx instruction vmexits KVM: s390: Allow stfle instruction in the guest KVM: kvm/x86_emulate.c toggle_interruptibility() should be static KVM: ia64: fix ia64 build due to missing kallsyms_lookup() and double export KVM: protect concurrent make_all_cpus_request KVM: MMU: Allow 4K ptes with bit 7 (PAT) set KVM: Fix dirty bit tracking for slots with large pages
2009-06-28Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, delay: tsc based udelay should have rdtsc_barrier x86, setup: correct include file in <asm/boot.h> x86, setup: Fix typo "CONFIG_x86_64" in <asm/boot.h> x86, mce: percpu mcheck_timer should be pinned x86: Add sysctl to allow panic on IOCK NMI error x86: Fix uv bau sending buffer initialization x86, mce: Fix mce resume on 32bit x86: Move init_gbpages() to setup_arch() x86: ensure percpu lpage doesn't consume too much vmalloc space x86: implement percpu_alloc kernel parameter x86: fix pageattr handling for lpage percpu allocator and re-enable it x86: reorganize cpa_process_alias() x86: prepare setup_pcpu_lpage() for pageattr fix x86: rename remap percpu first chunk allocator to lpage x86: fix duplicate free in setup_pcpu_remap() failure path percpu: fix too lazy vunmap cache flushing x86: Set cpu_llc_id on AMD CPUs
2009-06-28Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: timer stats: Optimize by adding quick check to avoid function calls timers: Fix timer_migration interface which accepts any number as input
2009-06-28Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-ledsLinus Torvalds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds: Futher document blink_set leds: Add options to have GPIO LEDs start on or keep their state leds: LED driver for National Semiconductor LP3944 Funlight Chip leds: pca9532 - Indent using tabs, not spaces. leds: Remove an orphan Kconfig entry leds: Further document parameters for blink_set() leds: alix-leds2 fixed for Award BIOS leds: leds-gpio - fix a section mismatch leds: add the sysfs interface into the leds-bd2802 driver for changing wave pattern and led current. leds: change the license information leds: fix led-bd2802 errors while resuming
2009-06-28KVM: protect concurrent make_all_cpus_requestMarcelo Tosatti
make_all_cpus_request contains a race condition which can trigger false request completed status, as follows: CPU0 CPU1 if (test_and_set_bit(req,&vcpu->requests)) .... if (test_and_set_bit(req,&vcpu->requests)) .. return proceed to smp_call_function_many(wait=1) Use a spinlock to serialize concurrent CPUs. Cc: stable@kernel.org Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2009-06-27Add new __init_task_data macro to be used in arch init_task.c files.Tim Abbott
This patch is preparation for replacing most ".data.init_task" in the kernel with macros, so that the section name can later be changed without having to touch a lot of the kernel. The long-term goal here is to be able to change the kernel's magic section names to those that are compatible with -ffunction-sections -fdata-sections. This requires renaming all magic sections with names of the form ".data.foo". Signed-off-by: Tim Abbott <tabbott@ksplice.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-06-27asm-generic/vmlinux.lds.h: shuffle INIT_TASK* macro names in vmlinux.lds.hTim Abbott
We recently added a INIT_TASK(align) in include/asm-generic/vmlinux.lds.h, but there is already a macro INIT_TASK in include/linux/init_task.h, which is quite confusing. We should switch the macro in the linker script to INIT_TASK_DATA. (Sorry that I missed this in reviewing the patch). Since the macros are new, there is only one user of the INIT_TASK in vmlinux.lds.h, arch/mn10300/kernel/vmlinux.lds.S. However, we are currently using INIT_TASK_DATA for laying down an entire .data.init_task section. So rename that to INIT_TASK_DATA_SECTION. I would be worried about changing the meaning of INIT_TASK_DATA, but the old INIT_TASK_DATA implementation had no users, and in fact if anyone had tried to use it, it would have failed to compile because it didn't pass the alignment to the old INIT_TASK. Signed-off-by: Tim Abbott <tabbott@ksplice.com> Cc: David Howells <dhowells@redhat.com> Cc: Jesper Nilsson <Jesper.Nilsson@axis.com Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-06-26Add new macros for page-aligned data and bss sections.Tim Abbott
This patch is preparation for replacing most uses of ".bss.page_aligned" and ".data.page_aligned" in the kernel with macros, so that the section name can later be changed without having to touch a lot of the kernel. The long-term goal here is to be able to change the kernel's magic section names to those that are compatible with -ffunction-sections -fdata-sections. This requires renaming all magic sections with names of the form ".data.foo". Signed-off-by: Tim Abbott <tabbott@ksplice.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-06-26asm-generic/vmlinux.lds.h: Fix up RW_DATA_SECTION definition.Paul Mundt
RW_DATA_SECTION is defined to take 4 different alignment parameters, while NOSAVE_DATA currently uses a fixed PAGE_SIZE alignment as noted in the comments. There are presently no in-tree users of this at present, and I just stumbled across this while implementing the simplified script on a new architecture port, which subsequently resulted in a syntax error. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-06-25ide: always kill the whole request on errorBartlomiej Zolnierkiewicz
* Use blk_rq_bytes() instead of obsolete ide_rq_bytes() in ide_kill_rq() and ide_floppy_do_request() for failed requests. [ bugfix part ] * Use blk_rq_bytes() instead of obsolete ide_rq_bytes() in ide_do_devset() and ide_complete_drive_reset(). Then remove ide_rq_bytes(). [ cleanup part ] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-25Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (28 commits) drm: remove unused #include <linux/version.h>'s drm/radeon: fix driver initialization order so radeon kms can be builtin drm: Fix shifts which were miscalculated when converting from bitfields. drm/radeon: Clear surface registers at initialization time. drm/radeon: Don't initialize acceleration related fields of struct fb_info. drm/radeon: fix radeon kms framebuffer device drm/i915: initialize fence registers to zero when loading GEM drm/i915: Fix HDMI regression introduced in new chipset support drm/i915: fix LFP data fetch drm/i915: set TV detection mode when tv is already connected drm/i915: Catch up to obj_priv->page_list rename in disabled debug code. drm/i915: Fix size_t handling in off-by-default debug printfs drm/i915: Don't change the blank/sync width when calculating scaled modes drm/i915: Add support for changing LVDS panel fitting using an output property. drm/i915: correct suspend/resume ordering drm/i915: Add missing dependency on Intel AGP support. drm/i915: Generate 2MHz clock for display port aux channel I/O. Retry I/O. drm/i915: Clarify error returns from display port aux channel I/O drm/i915: Add CLKCFG register definition drm/i915: Split array of DAC limits into separate structures. ...
2009-06-25x86: Add sysctl to allow panic on IOCK NMI errorKurt Garloff
This patch introduces a new sysctl: /proc/sys/kernel/panic_on_io_nmi which defaults to 0 (off). When enabled, the kernel panics when the kernel receives an NMI caused by an IO error. The IO error triggered NMI indicates a serious system condition, which could result in IO data corruption. Rather than contiuing, panicing and dumping might be a better choice, so one can figure out what's causing the IO error. This could be especially important to companies running IO intensive applications where corruption must be avoided, e.g. a bank's databases. [ SuSE has been shipping it for a while, it was done at the request of a large database vendor, for their users. ] Signed-off-by: Kurt Garloff <garloff@suse.de> Signed-off-by: Roberto Angelino <robertangelino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> LKML-Reference: <20090624213211.GA11291@kroah.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25perf_counter: Rework the sample ABIPeter Zijlstra
The PERF_EVENT_READ implementation made me realize we don't actually need the sample_type int the output sample, since we already have that in the perf_counter_attr information. Therefore, remove the PERF_EVENT_MISC_OVERFLOW bit and the event->type overloading, and imply put counter overflow samples in a PERF_EVENT_SAMPLE type. This also fixes the issue that event->type was only 32-bit and sample_type had 64 usable bits. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25perf_counter: Implement more accurate per task statisticsPeter Zijlstra
With the introduction of PERF_EVENT_READ we have the possibility to provide accurate counter values for individual tasks in a task hierarchy. However, due to the lazy context switching used for similar counter contexts our current per task counts are way off. In order to maintain some of the lazy switch benefits we don't disable it out-right, but simply iterate the active counters and flip the values between the contexts. This only reads the counters but does not need to reprogram the full PMU. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25perf_counter: Add PERF_EVENT_READPeter Zijlstra
Provide a read() like event which can be used to log the counter value at specific sites such as child->parent folding on exit. In order to be useful, we log the counter parent ID, not the actual counter ID, since userspace can only relate parent IDs to perf_counter_attr constructs. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25perf_counter: Add scale information to the mmap control pagePeter Zijlstra
Add the needed time scale to the self-profile mmap information. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25perf_counter: Split the mmap control page in two partsPeter Zijlstra
Since there are two distinct sections to the control page, move them apart so that possible extentions don't overlap. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide cs5520: Initialize second port's interrupt number. ide: improve handling of Power Management requests ide: add QUANTUM FIREBALLct20 30 with firmware APL.090 to ivb_list[] ide: relax DMA info validity checking ide-cd: Improve "weird block size" error message ide-cd: Don't warn on bogus block size unless it actually matters. ide: fix handling of unexpected IRQs vs request_irq()
2009-06-25clarify get_user_pages() prototypePeter Zijlstra
Currently the 4th parameter of get_user_pages() is called len, but its in pages, not bytes. Rename the thing to nr_pages to avoid future confusion. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-25Phonet: publicize the Netlink notification functionRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-24Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: da9030_battery: Fix race between event handler and monitor Add MAX17040 Fuel Gauge driver w1: ds2760_battery: add support for sleep mode feature w1: ds2760: add support for EEPROM read and write ds2760_battery: cleanups in ds2760_battery_probe()
2009-06-24Get "no acls for this inode" right, fix shmem breakageAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24inline functions left without protection of ifdef (acl)Markus Trippelsdorf
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (48 commits) dm mpath: change to be request based dm: disable interrupt when taking map_lock dm: do not set QUEUE_ORDERED_DRAIN if request based dm: enable request based option dm: prepare for request based option dm raid1: add userspace log dm: calculate queue limits during resume not load dm log: fix create_log_context to use logical_block_size of log device dm target:s introduce iterate devices fn dm table: establish queue limits by copying table limits dm table: replace struct io_restrictions with struct queue_limits dm table: validate device logical_block_size dm table: ensure targets are aligned to logical_block_size dm ioctl: support cookies for udev dm: sysfs add suspended attribute dm table: improve warning message when devices not freed before destruction dm mpath: add service time load balancer dm mpath: add queue length load balancer dm mpath: add start_io and nr_bytes to path selectors dm snapshot: use barrier when writing exception store ...
2009-06-24Merge branch 'audit.b63' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b63' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: Fix rule eviction order for AUDIT_DIR Audit: clean up all op= output to include string quoting Audit: move audit_get_nd completely into audit_watch audit: seperate audit inode watches into a subfile Audit: clean up audit_receive_skb Audit: cleanup netlink mesg handling Audit: unify the printk of an skb when auditd not around Audit: dereferencing krule as if it were an audit_watch Audit: better estimation of execve record length Audit: fix audit watch use after free
2009-06-24Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (72 commits) asus-laptop: remove EXPERIMENTAL dependency asus-laptop: use pr_fmt and pr_<level> eeepc-laptop: cpufv updates eeepc-laptop: sync eeepc-laptop with asus_acpi asus_acpi: Deprecate in favor of asus-laptop acpi4asus: update MAINTAINER and KConfig links asus-laptop: platform dev as parent for led and backlight eeepc-laptop: enable camera by default ACPI: Rename ACPI processor device bus ID acerhdf: Acer Aspire One fan control ACPI: video: DMI workaround broken Acer 7720 BIOS enabling display brightness ACPI: run ACPI device hot removal in kacpi_hotplug_wq ACPI: Add the reference count to avoid unloading ACPI video bus twice ACPI: DMI to disable Vista compatibility on some Sony laptops ACPI: fix a deadlock in hotplug case Show the physical device node of backlight class device. ACPI: pdc init related memory leak with physical CPU hotplug ACPI: pci_root: remove unused dev/fn information ACPI: pci_root: simplify list traversals ACPI: pci_root: use driver data rather than list lookup ...
2009-06-24Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (23 commits) switch xfs to generic acl caching helpers helpers for acl caching + switch to those switch shmem to inode->i_acl switch reiserfs to inode->i_acl switch reiserfs to usual conventions for caching ACLs reiserfs: minimal fix for ACL caching switch nilfs2 to inode->i_acl switch btrfs to inode->i_acl switch jffs2 to inode->i_acl switch jfs to inode->i_acl switch ext4 to inode->i_acl switch ext3 to inode->i_acl switch ext2 to inode->i_acl add caching of ACLs in struct inode fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls cleanup __writeback_single_inode ... and the same for vfsmount id/mount group id Make allocation of anon devices cheaper update Documentation/filesystems/Locking devpts: remove module-related code ...
2009-06-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: bnx2: Fix the behavior of ethtool when ONBOOT=no qla3xxx: Don't sleep while holding lock. qla3xxx: Give the PHY time to come out of reset. ipv4 routing: Ensure that route cache entries are usable and reclaimable with caching is off net: Move rx skb_orphan call to where needed ipv6: Use correct data types for ICMPv6 type and code net: let KS8842 driver depend on HAS_IOMEM can: let SJA1000 driver depend on HAS_IOMEM netxen: fix firmware init handshake netxen: fix build with without CONFIG_PM netfilter: xt_rateest: fix comparison with self netfilter: xt_quota: fix incomplete initialization netfilter: nf_log: fix direct userspace memory access in proc handler netfilter: fix some sparse endianess warnings netfilter: nf_conntrack: fix conntrack lookup race netfilter: nf_conntrack: fix confirmation race condition netfilter: nf_conntrack: death_by_timeout() fix
2009-06-24helpers for acl caching + switch to thoseAl Viro
helpers: get_cached_acl(inode, type), set_cached_acl(inode, type, acl), forget_cached_acl(inode, type). ubifs/xattr.c needed includes reordered, the rest is a plain switchover. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24switch shmem to inode->i_aclAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24switch reiserfs to inode->i_aclAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24switch reiserfs to usual conventions for caching ACLsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24switch ext3 to inode->i_aclAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>