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* [PATCH] mm: PageActive no testsetNick Piggin2006-03-22
| | | | | | | | | PG_active is protected by zone->lru_lock, it does not need TestSet/TestClear operations. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: PageLRU no testsetNick Piggin2006-03-22
| | | | | | | | | PG_lru is protected by zone->lru_lock. It does not need TestSet/TestClear operations. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: never ClearPageLRU released pagesNick Piggin2006-03-22
| | | | | | | | | | | | | If vmscan finds a zero refcount page on the lru list, never ClearPageLRU it. This means the release code need not hold ->lru_lock to stabilise PageLRU, so that lock may be skipped entirely when releasing !PageLRU pages (because we know PageLRU won't have been temporarily cleared by vmscan, which was previously guaranteed by holding the lock to synchronise against vmscan). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: remove set_pgdir leftoversChristoph Hellwig2006-03-22
| | | | | | | | | | | | | set_pgdir isn't needed anymore for a very long time. Remove the leftover implementation on sh64 and the stub on s390. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Richard Curnow <rc@rc0.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dcdbas: convert to the new platform device interfaceDmitry Torokhov2006-03-22
| | | | | | | | | | | | | | Do not use platform_device_register_simple() as it is going away, define dcdbas_driver and implement ->probe() and ->remove() functions so manual binding and unbinding will work with this driver. Also switch to using attribute_group when creating sysfs attributes and make sure to check and handle errors; explicitely remove attributes when detaching driver. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tb0219: convert to the new platform device interfaceDmitry Torokhov2006-03-22
| | | | | | | | Do not use platform_device_register_simple() as it is going away. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mv64x600_wdt: convert to the new platform device interfaceDmitry Torokhov2006-03-22
| | | | | | | | | mv64x600_wdt: convert to the new platform device interface Do not use platform_device_register_simple() as it is going away. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] vr41xx: convert to the new platform device interfaceDmitry Torokhov2006-03-22
| | | | | | | | | | | | | | | The patch does the following for v441xx seris drivers: - stop using platform_device_register_simple() as it is going away - mark ->probe() and ->remove() methods as __devinit and __devexit respectively - initialize "owner" field in driver structure so there is a link from /sys/modules to the driver - mark *_init() and *_exit() functions as __init and __exit Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] multiple exports of strpbrkAndrew Morton2006-03-22
| | | | | | | | | | | | | | | Sam's tree includes a new check, which found that we're exporting strpbrk() multiple times. It seems that the convention is that this is exported from the arch files, so reove the lib/string.c export. Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: David Howells <dhowells@redhat.com> Cc: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] serial: serial_txx9 driver updateAtsushi Nemoto2006-03-22
| | | | | | | | | | | | | | | | | | Update the serial_txx9 driver. * More strict check in verify_port. Cleanup. * Do not insert a char caused previous overrun. * Fix some spin_locks. * Do not call uart_add_one_port for absent ports. Also, this patch removes a BROKEN tag from Kconfig. This driver has been marked as BROKEN by removal of uart_register_port, but it has been solved already on Sep 2005. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rtc.h broke strace(1) buildsJoe Korty2006-03-22
| | | | | | | | | | | | | Git patch 52dfa9a64cfb3dd01fa1ee1150d589481e54e28e [PATCH] move rtc_interrupt() prototype to rtc.h broke strace(1) builds. The below moves the kernel-only additions lower, under the already provided #ifdef __KERNEL__ statement. Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dm: bio split bvec fixAlasdair G Kergon2006-03-22
| | | | | | | | | | | | | | | | The code that handles bios that span table target boundaries by breaking them up into smaller bios will not split an individual struct bio_vec into more than two pieces. Sometimes more than that are required. This patch adds a loop to break the second piece up into as many pieces as are necessary. Cc: "Abhishek Gupta" <abhishekgupt@gmail.com> Cc: Dan Smith <danms@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] unshare: Error if passed unsupported flagsEric W. Biederman2006-03-22
| | | | | | | | | | | | A bare bones trivial patch to ensure we always get -EINVAL on the unsupported cases for sys_unshare. If this goes in before 2.6.16 it allows us to forward compatible with future applications using sys_unshare. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: JANAK DESAI <janak@us.ibm.com> Cc: <stable@kerenl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] __get_page_state() cpumask cleanup and fixAndrew Morton2006-03-22
| | | | | | | | | | | | | | | | | | | | | | __get_page_state() has an open-coded for_each_cpu_mask() loop in it. Tidy that up, then notice that the code was buggy: while (cpu < NR_CPUS) { unsigned long *in, *out, off; if (!cpu_isset(cpu, *cpumask)) continue; an obvious infinite loop. I guess we just never call it with a holey cpu mask. Even after my cpumask size-reduction work, this patch increases code size :( Cc: Paul Jackson <pj@sgi.com> Cc: Christoph Lameter <clameter@engr.sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86: mark cyc2ns_scale readmostlyRavikiran G Thirumalai2006-03-22
| | | | | | | | | This variable is rarely written to. Mark the variable accordingly. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Shai Fultheim <shai@scalex86.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] v9fs: assign dentry ops to negative dentriesLatchesar Ionkov2006-03-22
| | | | | | | | | | | | | | | | If a file is not found in v9fs_vfs_lookup, the function creates negative dentry, but doesn't assign any dentry ops. This leaves the negative entry in the cache (there is no d_delete to mark it for removal). If the file is created outside of the mounted v9fs filesystem, the file shows up in the directory with weird permissions. This patch assigns the default v9fs dentry ops to the negative dentry. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i810fb_cursor(): use GFP_ATOMICAntonino A. Daplas2006-03-22
| | | | | | | | | | The console cursor can be called in atomic context. Change memory allocation to use the GFP_ATOMIC flag in i810fb_cursor(). Signed-off-by: Antonino Daplas <adaplas@pol.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] efi_call_phys_epilog() warning fixAndrew Morton2006-03-22
| | | | | | | | | | arch/i386/kernel/efi.c: In function `efi_call_phys_epilog': arch/i386/kernel/efi.c:118: warning: assignment makes integer from pointer without a cast Cc: Matt Domsch <Matt_Domsch@dell.com> Cc: "Tolentino, Matthew E" <matthew.e.tolentino@intel.com> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] don't call check_acpi_pci() on x86 with ACPI disabledHerbert Poetzl2006-03-22
| | | | | | | | | | | check_acpi_pci() is called from arch/i386/kernel/setup.c even if CONFIG_ACPI is not defined, but the code in include/asm/acpi.h doesn't provide it in this case. Signed-off-by: Herbert Pötzl <herbert@13thfloor.at> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sched: remove sleep_avg multiplierMike Galbraith2006-03-22
| | | | | | | | | | | | | | | | Remove the sleep_avg multiplier. This multiplier was necessary back when we had 10 seconds of dynamic range in sleep_avg, but now that we only have one second, it causes that one second to be compressed down to 100ms in some cases. This is particularly noticeable when compiling a kernel in a slow NFS mount, and I believe it to be a very likely candidate for other recently reported network related interactivity problems. In testing, I can detect no negative impact of this removal. Signed-off-by: Mike Galbraith <efault@gmx.de> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'release' of ↵Linus Torvalds2006-03-21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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-SGI] SN2-XP reduce kmalloc wrapper inlining [IA64] MCA: remove obsolete ifdef [IA64] MCA: update MCA comm field for user space tasks [IA64] MCA: print messages in MCA handler [IA64-SGI] - Eliminate SN pio_phys_xxx macros. Move to assembly [IA64] use icc defined constant [IA64] add __builtin_trap definition for icc build [IA64] clean up asm/intel_intrin.h [IA64] map ia64_hint definition to intel compiler intrinsic [IA64] hooks to wait for mmio writes to drain when migrating processes [IA64-SGI] driver bugfixes and hardware workarounds for CE1.0 asic [IA64-SGI] Handle SC env. powerdown events [IA64] Delete MCA/INIT sigdelayed code [IA64-SGI] sem2mutex ioc4.c [IA64] implement ia64 specific mutex primitives [IA64] Fix UP build with BSP removal support. [IA64] support for cpu0 removal
| * Pull sn2-reduce-kmalloc-wrap into release branchTony Luck2006-03-21
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| | * [IA64-SGI] SN2-XP reduce kmalloc wrapper inliningJes Sorensen2006-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Take advantage of kzalloc() as well as reduce the size of code generated for the error returns in xpc_setup_infrastructure(). Signed-off-by: Jes Sorensen <jes@sgi.com> Acked-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | Pull mca-cleanup into release branchTony Luck2006-03-21
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| | * | [IA64] MCA: remove obsolete ifdefKeith Owens2006-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No platform in the community tree uses PLATFORM_MCA_HANDLERS, remove the references. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | [IA64] MCA: update MCA comm field for user space tasksKeith Owens2006-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the comm field on the MCA handler for user tasks as well as for verified kernel tasks. This helps to identify the task that was running when the MCA occurred. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | [IA64] MCA: print messages in MCA handlerKeith Owens2006-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Print a message identifying the monarch MCA handler. Print a summary of the status of the slave MCA cpus. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | Pull icc-cleanup into release branchTony Luck2006-03-21
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| | * | | [IA64-SGI] - Eliminate SN pio_phys_xxx macros. Move to assemblyJack Steiner2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rewrite the SN pio_phys_xxx macros in assembly language. This avoids issues with the Intel icc compiler. Function call overhead is not an issue - the functions reference PIOs and take 100's nsec to complete. In addition, the functions should likely be in assembly language anyway - they reference memory using physical addressing mode. One function executes with psr.ic disabled. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | [IA64] use icc defined constantChen, Kenneth W2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use icc defined constant instead of magic number. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | [IA64] add __builtin_trap definition for icc buildChen, Kenneth W2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Map __builtin_trap function to break 0 instruction. Signed-off-by: HJ Lu <hongjiu.lu@intel.com> Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | [IA64] clean up asm/intel_intrin.hChen, Kenneth W2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Include intrinsic header file from icc compiler. Remove duplicate definition from kernel source. Signed-off-by: HJ Lu <hongjiu.lu@intel.com> Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | [IA64] map ia64_hint definition to intel compiler intrinsicChen, Kenneth W2006-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Map ia64_hint() to internal intel compiler intrinsic. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | Pull sn2-mmio-writes into release branchTony Luck2006-03-21
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hand-fixed conflicts: include/asm-ia64/machvec_sn2.h Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | | [IA64] hooks to wait for mmio writes to drain when migrating processesBrent Casavant2006-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On SN2, MMIO writes which are issued from separate processors are not guaranteed to arrive in any particular order at the IO hardware. When performing such writes from the kernel this is not a problem, as a kernel thread will not migrate to another CPU during execution, and mmiowb() calls can guarantee write ordering when control of the IO resource is allowed to move between threads. However, when MMIO writes can be performed from user space (e.g. DRM) there are no such guarantees and mechanisms, as the process may context-switch at any time, and may migrate to a different CPU as part of the switch. For such programs/hardware to operate correctly, it is required that the MMIO writes from the old CPU be accepted by the IO hardware before subsequent writes from the new CPU can be issued. The following patch implements this behavior on SN2 by waiting for a Shub register to indicate that these writes have been accepted. This is placed in the context switch-in path, and only performs the wait when the newly scheduled task changes CPUs. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Brent Casavant <bcasavan@sgi.com>
| * | | | | Pull altix-ce1.0-asic into release branchTony Luck2006-03-21
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| | * | | | | [IA64-SGI] driver bugfixes and hardware workarounds for CE1.0 asicMark Maule2006-01-26
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various bugfixes and hardware bug workarounds necessary for the rev 1.0 version of the altix TIO CE asic. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | | Pull sn-handle-sc-powerdown into release branchTony Luck2006-03-21
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| | * | | | | [IA64-SGI] Handle SC env. powerdown eventsAaron Young2006-01-26
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Handle system controller power down pending events on SN systems. This allows the system to gracefully shutdown before the system controller removes power due to an adverse environmental condition. Signed-off-by: Aaron Young <ayoung@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | | Pull delete-sigdelayed into release branchTony Luck2006-03-21
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| | * | | | | [IA64] Delete MCA/INIT sigdelayed codeKeith Owens2006-01-26
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only user of the MCA/INIT sigdelayed code (SGI's I/O probing) has moved from the kernel into SAL. Delete the MCA/INIT sigdelayed code. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | | Pull sem2mutex-ioc4 into release branchTony Luck2006-03-21
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| | * | | | | [IA64-SGI] sem2mutex ioc4.cJes Sorensen2006-01-26
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert to use a single mutex instead of two rwsems as this isn't performance critical. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Brent Casavant <bcasavan@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | | Pull ia64-mutex-primitives into release branchTony Luck2006-03-21
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| | * | | | | [IA64] implement ia64 specific mutex primitivesChen, Kenneth W2006-01-26
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement ia64 optimized mutex primitives. It properly uses acquire/release memory ordering semantics in lock/unlock path. 2nd version making them all static inline functions. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | | | Pull bsp-removal into release branchTony Luck2006-03-21
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| | * | | | | [IA64] Fix UP build with BSP removal support.Ashok Raj2006-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Causes undefined force_cpei_retarget defined in arch/ia64/kernel/smpboot.c Push the unneeded code inside #ifdef CONFIG_HOTPLUG_CPU. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * | | | | [IA64] support for cpu0 removalAshok Raj2006-01-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | here is the BSP removal support for IA64. Its pretty much the same thing that was released a while back, but has your feedback incorporated. - Removed CONFIG_BSP_REMOVE_WORKAROUND and associated cmdline param - Fixed compile issue with sn2/zx1 due to a undefined fix_b0_for_bsp - some formatting nits (whitespace etc) This has been tested on tiger and long back by alex on hp systems as well. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | | | | | | Revert "V4L/DVB (3543): Fix Makefile to adapt to bt8xx/ conversion"Linus Torvalds2006-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 08f1d0b99f4e2203935d86640a7fec5c233b777c The "bt8xx/ conversion" for drivers/video/ hasn't actually percolated all the way to this tree, so the Makefile change escaped too soon. Build breakage noticed by Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | | | Merge branch 'e1000-fixes' of git://198.78.49.142/~jbrandeb/linux-2.6Jeff Garzik2006-03-21
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