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2007-11-14Fix 64KB blocksize in ext3 directoriesJan Kara
With 64KB blocksize, a directory entry can have size 64KB which does not fit into 16 bits we have for entry lenght. So we store 0xffff instead and convert value when read from / written to disk. The patch also converts some places to use ext3_next_entry() when we are changing them anyway. [akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Jan Kara <jack@suse.cz> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14pidns: Place under CONFIG_EXPERIMENTALEric W. Biederman
This is my trivial patch to swat innumerable little bugs with a single blow. After some intensive review (my apologies for not having gotten to this sooner) what we have looks like a good base to build on with the current pid namespace code but it is not complete, and it is still much to simple to find issues where the kernel does the wrong thing outside of the initial pid namespace. Until the dust settles and we are certain we have the ABI and the implementation is as correct as humanly possible let's keep process ID namespaces behind CONFIG_EXPERIMENTAL. Allowing us the option of fixing any ABI or other bugs we find as long as they are minor. Allowing users of the kernel to avoid those bugs simply by ensuring their kernel does not have support for multiple pid namespaces. [akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Adrian Bunk <bunk@kernel.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Kir Kolyshkin <kir@swsoft.com> Cc: Kirill Korotaev <dev@sw.ru> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14rtc: fall back to requesting only the ports we actually useBjorn Helgaas
Firmware like PNPBIOS or ACPI can report the address space consumed by the RTC. The actual space consumed may be less than the size (RTC_IO_EXTENT) assumed by the RTC driver. The PNP core doesn't request resources yet, but I'd like to make it do so. If/when it does, the RTC_IO_EXTENT request may fail, which prevents the RTC driver from loading. Since we only use the RTC index and data registers at RTC_PORT(0) and RTC_PORT(1), we can fall back to requesting just enough space for those. If the PNP core requests resources, this results in typical I/O port usage like this: 0070-0073 : 00:06 <-- PNP device 00:06 responds to 70-73 0070-0071 : rtc <-- RTC driver uses only 70-71 instead of the current: 0070-0077 : rtc <-- RTC_IO_EXTENT == 8 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14I/OAT: Add support for version 2 of ioatdma deviceShannon Nelson
Add support for version 2 of the ioatdma device. This device handles the descriptor chain and DCA services slightly differently: - Instead of moving the dma descriptors between a busy and an idle chain, this new version uses a single circular chain so that we don't have rewrite the next_descriptor pointers as we add new requests, and the device doesn't need to re-read the last descriptor. - The new device has the DCA tags defined internally instead of needing them defined statically. Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: "Williams, Dan J" <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14revert "Task Control Groups: example CPU accounting subsystem"Andrew Morton
Revert 62d0df64065e7c135d0002f069444fbdfc64768f. This was originally intended as a simple initial example of how to create a control groups subsystem; it wasn't intended for mainline, but I didn't make this clear enough to Andrew. The CFS cgroup subsystem now has better functionality for the per-cgroup usage accounting (based directly on CFS stats) than the "usage" status file in this patch, and the "load" status file is rather simplistic - although having a per-cgroup load average report would be a useful feature, I don't believe this patch actually provides it. If it gets into the final 2.6.24 we'd probably have to support this interface for ever. Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14hugetlb: fix i_blocks accountingKen Chen
For administrative purpose, we want to query actual block usage for hugetlbfs file via fstat. Currently, hugetlbfs always return 0. Fix that up since kernel already has all the information to track it properly. Signed-off-by: Ken Chen <kenchen@google.com> Acked-by: Adam Litke <agl@us.ibm.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14hugetlb: allow bulk updating in hugetlb_*_quota()Adam Litke
Add a second parameter 'delta' to hugetlb_get_quota and hugetlb_put_quota to allow bulk updating of the sbinfo->free_blocks counter. This will be used by the next patch in the series. Signed-off-by: Adam Litke <agl@us.ibm.com> Cc: Ken Chen <kenchen@google.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: David Gibson <hermes@gibson.dropbear.id.au> Cc: William Lee Irwin III <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14hugetlb: follow_hugetlb_page() for write accessAdam Litke
When calling get_user_pages(), a write flag is passed in by the caller to indicate if write access is required on the faulted-in pages. Currently, follow_hugetlb_page() ignores this flag and always faults pages for read-only access. This can cause data corruption because a device driver that calls get_user_pages() with write set will not expect COW faults to occur on the returned pages. This patch passes the write flag down to follow_hugetlb_page() and makes sure hugetlb_fault() is called with the right write_access parameter. [ezk@cs.sunysb.edu: build fix] Signed-off-by: Adam Litke <agl@us.ibm.com> Reviewed-by: Ken Chen <kenchen@google.com> Cc: David Gibson <hermes@gibson.dropbear.id.au> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14uml: update address space affected by pud_clearJeff Dike
pud_clear wasn't setting the _PAGE_NEWPAGE bit, fooling tlb_flush into thinking that this area of the address space was up-to-date and not unmapping whatever was covered by the pud. This manifested itself as ldconfig on x86_64 complaining about the first library it looked at not being a valid ELF file. A config file is mapped at 0x4000000, as the only thing mapped under its pud, and unmapped. The unmapping caused a pud_clear, which, due to this bug, didn't actually unmap the config file data on the host. The first library is then mapped at the same location, but is not actually mapped on the host because accesses to it cause no page faults. As a result, ldconfig sees the old config file data. [akpm@linux-foundation.org: coding-style cleanups] 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>
2007-11-13Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6Linus Torvalds
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: hwmon: (i5k_amb) Convert macros to C functions hwmon: (w83781d) Add missing curly braces hwmon: (abituguru3) Identify ABit IP35 Pro as such hwmon: (f75375s) pwmX_mode sysfs files writable for f75375 variant hwmon: (f75375s) On n2100 systems, set fans to full speed on boot hwmon: (f75375s) Allow setting up fans with platform_data hwmon: (f75375s) Add new style bindings hwmon: (lm70) Convert semaphore to mutex hwmon: (applesmc) Add support for Mac Pro 2 x Quad-Core hwmon: (abituguru3) Add support for 2 new motherboards hwmon: (ibmpex) Change printk to dev_{info,err} macros hwmon: (i5k_amb) New memory temperature sensor driver hwmon: (f75375s) fix pwm mode setting hwmon: (ibmpex.c) fix NULL dereference hwmon: (sis5595) Split sis5595_attributes_opt hwmon: (sis5595) Add individual alarm files hwmon: (w83627hf) push nr+1 offset into *_REG_FAN macros and simplify hwmon: (w83627hf) hoist nr-1 offset out of show-store-temp-X hwmon: Add power meter spec to Documentation/hwmon/sysfs-interface
2007-11-13Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits) [NETFILTER]: xt_time should not assume CONFIG_KTIME_SCALAR [NET]: Move unneeded data to initdata section. [NET]: Cleanup pernet operation without CONFIG_NET_NS [TEHUTI]: Fix incorrect usage of strncat in bdx_get_drvinfo() [MYRI_SBUS]: Prevent that myri_do_handshake lies about ticks. [NETFILTER]: bridge: fix double POSTROUTING hook invocation [NETFILTER]: Consolidate nf_sockopt and compat_nf_sockopt [NETFILTER]: nf_nat: fix memset error [INET]: Use list_head-s in inetpeer.c [IPVS]: Remove unused exports. [NET]: Unexport sysctl_{r,w}mem_max. [TG3]: Update version to 3.86 [TG3]: MII => TP [TG3]: Add A1 revs [TG3]: Increase the PCI MRRS [TG3]: Prescaler fix [TG3]: Limit 5784 / 5764 to MAC LED mode [TG3]: Disable GPHY autopowerdown [TG3]: CPMU adjustments for loopback tests [TG3]: Fix nvram selftest failures ...
2007-11-13Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Silence an annoying boot message [POWERPC] Fix early btext debug on PowerMac [POWERPC] Demote clockevent printk to KERN_DEBUG [POWERPC] Fix CONFIG_SMP=n build error on ppc64 [POWERPC] Avoid unpaired stwcx. on some processors [POWERPC] Fix oops related to 4xx flush_tlb_page modification [POWERPC] cpm: Fix a couple minor issues in cpm_common.c. [POWERPC] Add -mno-spe for ARCH=powerpc builds
2007-11-13[NET]: Move unneeded data to initdata section.Denis V. Lunev
This patch reverts Eric's commit 2b008b0a8e96b726c603c5e1a5a7a509b5f61e35 It diets .text & .data section of the kernel if CONFIG_NET_NS is not set. This is safe after list operations cleanup. Signed-of-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-12[INET]: Use list_head-s in inetpeer.cPavel Emelyanov
The inetpeer.c tracks the LRU list of inet_perr-s, but makes it by hands. Use the list_head-s for this. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-13[POWERPC] Avoid unpaired stwcx. on some processorsBecky Bruce
The context switch code in the kernel issues a dummy stwcx. to clear the reservation, as recommended by the architecture. However, some processors can have issues if this stwcx to address A occurs while the reservation is already held to a different address B. To avoid this problem, the dummy stwcx. needs to be paired with a dummy lwarx to the same address. This adds the dummy lwarx, and creates a cpu feature bit to indicate which cpus are affected. Tested on mpc8641_hpcn_defconfig in arch/powerpc; build tested in arch/ppc. Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-11-12[INET]: Remove leftover prototypes from include/net/inet_common.hArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-13Merge branch 'for-2.6.24' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into merge
2007-11-12Merge branch 'pending' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/vxy/lksctp-dev
2007-11-12[NET]: Add the helper kernel_sock_shutdown()Trond Myklebust
...and fix a couple of bugs in the NBD, CIFS and OCFS2 socket handlers. Looking at the sock->op->shutdown() handlers, it looks as if all of them take a SHUT_RD/SHUT_WR/SHUT_RDWR argument instead of the RCV_SHUTDOWN/SEND_SHUTDOWN arguments. Add a helper, and then define the SHUT_* enum to ensure that kernel users of shutdown() don't get confused. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Acked-by: Mark Fasheh <mark.fasheh@oracle.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-12[IPV6]: Add ifindex field to ND user option messages.Pierre Ynard
Userland neighbor discovery options are typically heavily involved with the interface on which thay are received: add a missing ifindex field to the original struct. Thanks to Rémi Denis-Courmont. Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-12Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-virtio * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-virtio: virtio: Force use of power-of-two for descriptor ring sizes lguest: Fix lguest virtio-blk backend size computation virtio: Fix used_idx wrap-around virtio: more fallout from scatterlist changes. virtio: fix vring_init for 64 bits
2007-11-12Merge branch 'master' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (39 commits) [INET]: Small possible memory leak in FIB rules [NETNS]: init dev_base_lock only once [UNIX]: The unix_nr_socks limit can be exceeded [AF_UNIX]: Convert socks to unix_socks in scan_inflight, not in callbacks [AF_UNIX]: Make unix_tot_inflight counter non-atomic [AF_PACKET]: Allow multicast traffic to be caught by ORIGDEV when bonded ssb: Fix PCMCIA-host lowlevel bus access mac80211: fix MAC80211_RCSIMPLE Kconfig mac80211: make "decrypt failed" messages conditional upon MAC80211_DEBUG mac80211: use IW_AUTH_PRIVACY_INVOKED rather than IW_AUTH_KEY_MGMT mac80211: remove unused driver ops mac80211: remove ieee80211_common.h softmac: MAINTAINERS update rfkill: Fix sparse warning rfkill: Use mutex_lock() at register and add sanity check iwlwifi: select proper rate control algorithm mac80211: allow driver to ask for a rate control algorithm mac80211: don't allow registering the same rate control twice rfkill: Use subsys_initcall mac80211: make simple rate control algorithm built-in ...
2007-11-12x86: fix taking DNA during 64bit sigreturnSiddha, Suresh B
restore sigcontext is taking a DNA exception while restoring FP context from the user stack, during the sigreturn. Appended patch fixes it by doing clts() if the app doesn't touch FP during the signal handler execution. This will stop generating a DNA, during the fxrstor in the sigreturn. This improves 64-bit lat_sig numbers by ~30% on my core2 platform. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-12virtio: Force use of power-of-two for descriptor ring sizesRusty Russell
The virtio descriptor rings of size N-1 were nicely set up to be aligned to an N-byte boundary. But as Anthony Liguori points out, the free-running indices used by virtio require that the sizes be a power of 2, otherwise we get problems on wrap (demonstrated with lguest). So we replace the clever "2^n-1" scheme with a simple "align to page boundary" scheme: this means that all virtio rings take at least two pages, but it's safer than guessing cache alignment. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2007-11-12virtio: fix vring_init for 64 bitsAnthony Liguori
This patch fixes a typo in vring_init(). This happens to work today in lguest because the sizeof(struct vring_desc) is 16 and struct vring contains 3 pointers and an unsigned int so on 32-bit sizeof(struct vring_desc) == sizeof(struct vring). However, this is no longer true on 64-bit where the bug is exposed. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2007-11-10[INET]: Small possible memory leak in FIB rulesDenis V. Lunev
This patch fixes a small memory leak. Default fib rules can be deleted by the user if the rule does not carry FIB_RULE_PERMANENT flag, f.e. by ip rule flush Such a rule will not be freed as the ref-counter has 2 on start and becomes clearly unreachable after removal. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-10[AF_UNIX]: Make unix_tot_inflight counter non-atomicPavel Emelyanov
This counter is _always_ modified under the unix_gc_lock spinlock, so its atomicity can be provided w/o additional efforts. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-10mac80211: remove unused driver opsJohannes Berg
The driver operations set_ieee8021x(), set_port_auth() and set_privacy_invoked() are not used by any drivers, except set_privacy_invoked() they aren't even used by mac80211. Remove them at least until we need to support drivers with mac80211 that require getting this information. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-11-10mac80211: allow driver to ask for a rate control algorithmJohannes Berg
This allows a driver to ask for a specific rate control algorithm. The rate control algorithm asked for must be registered and be available as a module or built-in. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-11-10[NET]: Fix skb_truesize_check() assertionChuck Lever
The intent of the assertion in skb_truesize_check() is to check for skb->truesize being decremented too much by other code, resulting in a wraparound below zero. The type of the right side of the comparison causes the compiler to promote the left side to an unsigned type, despite the presence of an explicit type cast. This defeats the check for negativity. Ensure both sides of the comparison are a signed type to prevent the implicit type conversion. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-10[NET]: Make helper to get dst entry and "use" itPavel Emelyanov
There are many places that get the dst entry, increase the __use counter and set the "lastuse" time stamp. Make a helper for this. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-10[INET]: Add a missing include <linux/vmalloc.h> to inet_hashtables.hEric Dumazet
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-10voyager: use struct instead of PARAMRandy Dunlap
Use struct boot_params instead of PARAM + 0xoffsets. Fixes one of many Voyager build problems. arch/x86/kernel/setup_32.c:543: error: 'PARAM' undeclared (first use in this function) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-11-09Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] IOSAPIC bogus error cleanup [IA64] Update printing of feature set bits [IA64] Fix IOSAPIC delivery mode setting [IA64] XPC heartbeat timer function must run on CPU 0 [IA64] Clean up /proc/interrupts output [IA64] Disable/re-enable CPE interrupts on Altix [IA64] Clean-up McKinley Errata message [IA64] Add gate.lds to list of files ignored by Git [IA64] Fix section mismatch in contig.c version of per_cpu_init() [IA64] Wrong args to memset in efi_gettimeofday() [IA64] Remove duplicate includes from ia32priv.h [IA64] fix number of bytes zeroed by sys_fw_init() in arch/ia64/hp/sim/boot/fw-emu.c [IA64] Fix perfmon sysctl directory modes
2007-11-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: proper prototype for kernel/sched.c:migration_init() sched: avoid large irq-latencies in smp-balancing sched: fix copy_namespace() <-> sched_fork() dependency in do_fork sched: clean up the wakeup preempt check, #2 sched: clean up the wakeup preempt check sched: wakeup preemption fix sched: remove PREEMPT_RESTRICT sched: turn off PREEMPT_RESTRICT KVM: fix !SMP build error x86: make nmi_cpu_busy() always defined x86: make ipi_handler() always defined sched: cleanup, use NSEC_PER_MSEC and NSEC_PER_SEC sched: reintroduce SMP tunings again sched: restore deterministic CPU accounting on powerpc sched: fix delay accounting regression sched: reintroduce the sched_min_granularity tunable sched: documentation: place_entity() comments sched: fix vslice
2007-11-09Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (26 commits) sh: remove dead config symbols from SH code sh: Kill off broken snapgear ds1302 code. sh: Add a dummy vga.h. rtc: rtc-sh: Zero out tm value for invalid rtc states. rtc: sh-rtc: Handle rtc_device_register() failure properly. sh: Fix heartbeart on Solution Engine series sh: Remove SCI_NPORTS from sh-sci.h sh: Fix up PAGE_KERNEL_PCC() for nommu. sh: hs7751rvoip: Kill off dead IPR IRQ mappings. sh: hs7751rvoip: irq.c needs linux/interrupt.h. sh: Kill off __{copy,clear}_user_page(). sh: Optimized copy_{to,from}_user_page() for SH-4. sh: Wire up clear_user_highpage(). sh: Kill off the remaining ST40 cruft. superhyway: Handle device_register() retval properly. sh: kgdb sysrq depends on magic sysrq. sh: Add -Werror for clean directories. sh: Fix up kgdb build with modular sh-sci. sh: Export __{s,u}divsi3_i4i on all CPUs. sh: Fix up kgdb-on-NMI branch target. ...
2007-11-09Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] pxa: fix one-shot timer mode [ARM] 4645/1: Cyberpro: Trivial fix to restore 16bpp mode. [ARM] 4644/2: fix flush_kern_tlb_range() in module space [ARM] Allow watchdog drivers to be selected again [ARM] 4633/1: omap build fix when FB enabled [ARM] 4642/2: netX: default config for netx based boards [ARM] 4641/2: netX: fix kobject_name type [ARM] Fix iop3xx macro
2007-11-09Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Add UNPLUG traces to all appropriate places block: fix requeue handling in blk_queue_invalidate_tags() mmc: Fix sg helper copy-and-paste error pktcdvd: fix BUG caused by sysfs module reference semantics change ioprio: allow sys_ioprio_set() value of 0 to reset ioprio setting cfq_idle_class_timer: add paranoid checks for jiffies overflow cfq: fix IOPRIO_CLASS_IDLE delays cfq: fix IOPRIO_CLASS_IDLE accounting
2007-11-09Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (37 commits) [POWERPC] EEH: Make sure warning message is printed [POWERPC] Make altivec code in swsusp_32.S depend on CONFIG_ALTIVEC [POWERPC] windfarm: Fix windfarm thread freezer interaction [POWERPC] Fix si_addr value on low level hash failures [POWERPC] Refresh ppc64_defconfig and enable pasemi-related options [POWERPC] pasemi: Update defconfig [POWERPC] iSeries: Fix ref counting in vio setup [POWERPC] ] Fix memset size error [POWERPC] Fix link errors for allyesconfig [POWERPC] iSeries_init_IRQ non-PCI tidy [POWERPC] Change fallocate to match unistd.h on powerpc [POWERPC] EEH: Avoid crash on null device [POWERPC] EEH: Drivers that need reset trump others [POWERPC] EEH: Clean up comments [POWERPC] Fix off-by-one error in setting decrementer on Book E/4xx (v2) [POWERPC] Fix switch_slb handling of 1T ESID values [POWERPC] Fix build failure when CONFIG_VIRT_CPU_ACCOUNTING is not defined [POWERPC] Include udbg.h when using udbg_printf [POWERPC] Fix cache line vs. block size confusion [POWERPC] Fix sysctl table check failure on PowerMac ...
2007-11-09frv: Remove bogus NO_IRQ = -1 defineAlan Cox
The old NO_IRQ define some platforms had was long ago declared obsolete and wrong. FRV should therefore not be re-introducing this, especially as IRQs are usually unsigned in the kernel. The "no IRQ" case is defined to be zero and Linus made this rather clear at the time. arch/frv shows no dependancy on this but it might show up driver fixes needing doing I guess Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-09Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Use "is_power_of_2" macro for simplicity. [SPARC]: Remove duplicate includes.
2007-11-09sched: proper prototype for kernel/sched.c:migration_init()Adrian Bunk
This patch adds a proper prototype for migration_init() in include/linux/sched.h Since there's no point in always returning 0 to a caller that doesn't check the return value it also changes the function to return void. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09sched: avoid large irq-latencies in smp-balancingPeter Zijlstra
SMP balancing is done with IRQs disabled and can iterate the full rq. When rqs are large this can cause large irq-latencies. Limit the nr of iterations on each run. This fixes a scheduling latency regression reported by the -rt folks. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Steven Rostedt <rostedt@goodmis.org> Tested-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09sched: remove PREEMPT_RESTRICTIngo Molnar
remove PREEMPT_RESTRICT. (this is a separate commit so that any regression related to the removal itself is bisectable) Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09KVM: fix !SMP build errorIngo Molnar
fix a !SMP build error: drivers/kvm/kvm_main.c: In function 'kvm_flush_remote_tlbs': drivers/kvm/kvm_main.c:220: error: implicit declaration of function 'smp_call_function_mask' (and also avoid unused function warning related to up_smp_call_function() not making use of the 'func' parameter.) Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09sched: restore deterministic CPU accounting on powerpcPaul Mackerras
Since powerpc started using CONFIG_GENERIC_CLOCKEVENTS, the deterministic CPU accounting (CONFIG_VIRT_CPU_ACCOUNTING) has been broken on powerpc, because we end up counting user time twice: once in timer_interrupt() and once in update_process_times(). This fixes the problem by pulling the code in update_process_times that updates utime and stime into a separate function called account_process_tick. If CONFIG_VIRT_CPU_ACCOUNTING is not defined, there is a version of account_process_tick in kernel/timer.c that simply accounts a whole tick to either utime or stime as before. If CONFIG_VIRT_CPU_ACCOUNTING is defined, then arch code gets to implement account_process_tick. This also lets us simplify the s390 code a bit; it means that the s390 timer interrupt can now call update_process_times even when CONFIG_VIRT_CPU_ACCOUNTING is turned on, and can just implement a suitable account_process_tick(). account_process_tick() now takes the task_struct * as an argument. Tested both with and without CONFIG_VIRT_CPU_ACCOUNTING. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09sched: reintroduce the sched_min_granularity tunablePeter Zijlstra
we lost the sched_min_granularity tunable to a clever optimization that uses the sched_latency/min_granularity ratio - but the ratio is quite unintuitive to users and can also crash the kernel if the ratio is set to 0. So reintroduce the min_granularity tunable, while keeping the ratio maintained internally. no functionality changed. [ mingo@elte.hu: some fixlets. ] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-09[IA64] Update printing of feature set bitsRuss Anderson
Newer Itanium versions have added additional processor feature set bits. This patch prints all the implemented feature set bits. Some bit descriptions have not been made public. For those bits, a generic "Feature set X bit Y" message is printed. Bits that are not implemented will no longer be printed. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-11-09SCTP: Clean-up some defines for regressions tests.Vlad Yasevich
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2007-11-09SCTP: Make sctp_verify_param return multiple indications.Vlad Yasevich
SCTP-AUTH and future ADD-IP updates have a requirement to do additional verification of parameters and an ability to ABORT the association if verification fails. So, introduce additional return code so that we can clear signal a required action. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>