- 29 Apr, 2006 4 commits
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David Woodhouse authored
Signed-off-by:David Woodhouse <dwmw2@infradead.org>
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David Woodhouse authored
It uses kernel_ulong_t but can't be wrapped in __KERNEL__ because it's used from scripts/mod/file2alias.c -- but we _can_ hide it inside header manually too (and it doesn't generally exist for userspace). Signed-off-by: -
David Woodhouse authored
Signed-off-by: -
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- 28 Apr, 2006 27 commits
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shin, jacob authored
transfer_objects should only be called when all of the cpus in the node are online. CPU_DEAD notifier callback marks l3->shared to NULL. Signed-off-by:
Jacob Shin <jacob.shin@amd.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Antonino A. Daplas authored
Add help text in Kconfig Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Antonino A. Daplas authored
As reported in Bugzilla Bug 6406, resume from S3 results in a blank screen. For the IBM Thinkpad X30 using vesafb as the console driver, successful resume from S3 requires option acpi_sleep=s3_bios,s3_mode. Update documentation. I would presume that, in any hardware, using vesafb as the console driver will require as a minimum s3_mode. Signed-off-by:
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Martin Schwidefsky authored
Add sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file and sys_tee system calls. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Horst Hummel authored
Generate new sysfs-attribute 'uid' that contains an device specific unique identifier. This can be used to identity multiple ALIASES of the same physical device (PAV). In addition the sysfs-attributes 'vendor' (containing the manufacturer of the device) and 'alias' (identify alias or base device) is added. This is first part of PAV support in LPAR (also valid on zVM). Signed-off-by:
Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by:
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Christian Borntraeger authored
Add a read_mostly section and define __read_mostly to prevent cache line pollution due to writes for mostly read variables. In addition fix the incorrect alignment of the cache_line_aligned data section. s390 has a cacheline size of 256 bytes. Signed-off-by:
Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by:
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Heiko Carstens authored
In case of an instruction processing damage (IPD) machine check in kernel mode the resulting action is always to stop the kernel. This is not necessarily the best solution since a retry of the failing instruction might succeed. Add logic to retry the instruction if no more than 30 instruction processing damage checks occured in the last 5 minutes. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Gerald Schaefer authored
Print a warning with the z/VM error code if segment_load, segment_type or segment_save fail to ease the problem determination. Signed-off-by:
Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by:
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Stefan Bader authored
Added some changes that where proposed by Andrew Morton. Added 3592 device type. Signed-off-by:
Stefan Bader <shbader@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
Add support for atomic futex operations. Signed-off-by:
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Christian Borntraeger authored
With CONFIG_SLAB_DEBUG=y networking over qeth doesn't work. The problem is that the qib structure embedded in the qeth_irq structure needs an alignment of 256 but kmalloc only guarantees an alignment of 8. When using SLAB debugging the alignment of qeth_irq is not sufficient for the embedded qib structure which causes all users of qdio (qeth and zfcp) to stop working. Allocate qeth_irq structure with __get_free_page. That wastes a small amount of memory (~2500 bytes) per online adapter. Signed-off-by:
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Horst Hummel authored
The dasd state machine is not designed to enable an unformatted device, since 'unformatted' is a final state. The BIODASDENABLE ioctl calls dasd_enable_device() which never returns if the device is in this special state. Return -EPERM in dasd_increase_state for unformatted devices to make dasd_enable_device terminate. Note: To get such an unformatted device online it has to be re-analyzed. This means that the device needs to be disabled prior to re-enablement. Signed-off-by:
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Andreas Herrmann authored
Avoid memory allocation with GFP_KERNEL in qdio_establish/qdio_shutdown. Use memory pool instead. (Otherwise this can lead to an I/O stall where qdio waits for a free page and zfcp waits for end of error recovery in low memory situations.) Signed-off-by:
Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by:
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Laurent Meyer authored
If a signal handler has been established with the SA_ONSTACK option but no alternate stack is provided with sigaltstack(), the kernel still tries to install the alternate stack. Also when setting an alternate stack with sigalstack() and the SS_DISABLE flag, the kernel tries to install the alternate stack on signal delivery. Use the correct conditions sas_ss_flags() to check if the alternate stack has to be used. Signed-off-by:
Laurent Meyer <meyerlau@fr.ibm.com> Signed-off-by:
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Stefan Bader authored
Interrupts can stay disabled if an error occurred in _chp_add(). Use spin_unlock_irq on the error paths to reenable interrupts. Signed-off-by:
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Peter Oberparleiter authored
Fix a race condition in the I/O termination logic. The race can cause I/O to a dasd device to fail with no retry left after turning one channel path to the device off and on multiple times. Signed-off-by:
Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by:
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Masami Hiramatsu authored
Fix resume_execution() to handle iret and absolute jump opcode correctly on i386. Signed-off-by:
Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp> Cc: Satoshi Oshima <soshima@redhat.com> Cc: Hideo Aoki <haoki@redhat.com> Signed-off-by:
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mao, bibo authored
When trap happens in user space, kprobe_exceptions_notify() funtion will skip it. This patch deletes some unnecessary code for VM_MASK judgement in eflags. Signed-off-by:
bibo, mao <bibo.mao@intel.com> Cc: Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by:
"Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com> Acked-by:
Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp> Cc: Satoshi Oshima <soshima@redhat.com> Cc: Hideo Aoki <haoki@redhat.com> Signed-off-by:
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Andi Kleen authored
Running abnormal VM splits causes weird problems - people can set non-standard splits by accident, then lots of time gets wasted diagnosing it - see the long "[stable] 2.6.16.6 breaks java... sort of" email thread. So we need to make this option harder to set. Use CONFIG_EMBEDDED for this. CONFIG_EMBEDDED isn't really the right thing to use, but there's nothing else obvious and avoiding these problems is more important than Kconfig purity. Signed-off-by:
Andi Kleen <ak@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Ashok Raj authored
CPU_HOTPLUG has race conditions when we use broadcast mode IPI. - First we introduced no_broadcast option (see include/asm-i386/mach-default/mach_ipi.h) - x86_64 solved it by using physical flat mode (same as bigsmp on i386) since this will not use broadcast shortcuts for IPI. - We switched to use bigsmp on i386 so that we can have same handling as x86_64, but apparently this caused an error message, if kernel was compiled without X86_GENERICARCH, X86_BIGSMP. The message "You have >8 CPUS..." which was bogus and misleading, and only indicated one of the above ARCH wasnt selected. So we do not switch to automatic bigsmp for HOTPLUG_CPU support in i386 until the other related config dependencies for SMP_SUSPEND etc can be done right. Signed-off-by:Ashok Raj <ashok.raj@intel.com> Signed-off-by:
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Dave Jones authored
These messages are kinda silly.. CPU#0 had 0 usecs TSC skew, fixed it up. CPU#1 had 0 usecs TSC skew, fixed it up. inspired from: http://bugzilla.kernel.org/attachment.cgi?id=7713&action=viewSigned-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Adrian Bunk authored
A regression in the ALSA driver compared to the OSS driver was reported as ALSA bug #1520, so let's keep the OSS driver for now. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Eric Sesterhenn authored
this fixes coverity id #489. Since the last element in the array is always ARRAY_SIZE-1 we have to check for ipcnum >= ARRAY_SIZE() Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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Daniel Drake authored
If compiled into the kernel, parport_register_driver() is called before the parport driver has been initalised. This means that it is expected that tp_count is 0 after the parport_register_driver() call() - tipar's attach function will not be called until later during bootup. Signed-off-by:
Daniel Drake <dsd@gentoo.org> Cc: <stable@kernel.org> Signed-off-by:
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Andrew Morton authored
- Add new SA_PROBEIRQ which suppresses the new sharing-mismatch warning. Some drivers like to use request_irq() to find an unused interrupt slot. - Use it in i82365.c - Kill unused SA_PROBE. Signed-off-by:
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dean gaudet authored
There's an off-by-1 in kernel/power/main.c:state_store() ... if your kernel just happens to have some non-zero data at pm_states[PM_SUSPEND_MAX] (i.e. one past the end of the array) then it'll let you write anything you want to /sys/power/state and in response the box will enter S5. Signed-off-by:
dean gaudet <dean@arctic.org> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] update sn2 defconfig [IA64] Add mca recovery failure messages [IA64-SGI] fix SGI Altix tioce_reserve_m32() bug [IA64] enable dumps to capture second page of kernel stack [IA64-SGI] - Reduce overhead of reading sn_topology [IA64-SGI] - Fix discover of nearest cpu node to IO node [IA64] IOC4 config option ordering [IA64] Setup an IA64 specific reclaim distance [IA64] eliminate compile time warnings [IA64] eliminate compile time warnings [IA64-SGI] SN SAL call to inject memory errors [IA64] - Fix MAX_PXM_DOMAINS for systems with > 256 nodes [IA64] Remove unused variable in sn_sal.h [IA64] Remove redundant NULL checks before kfree [IA64] wire up compat_sys_adjtimex()
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- 27 Apr, 2006 9 commits
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Jes Sorensen authored
Update SN2 defconfig to latest kernel and add QLA FC drivers commonly found in SN2 boxes. Signed-off-by:
Jes Sorensen <jes@sgi.com> Signed-off-by:
Tony Luck <tony.luck@intel.com>
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Russ Anderson authored
When the mca recovery code encounters a condition that makes the MCA non-recoverable, print the reason it could not recover. This will make it easier to identify why the recovery code did not recover. Signed-off-by:
Russ Anderson <rja@sgi.com> Signed-off-by:
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Mike Habeck authored
The following patch fixes a bug in the SGI Altix tioce_reserve_m32() code. The bug was that we could walking past the end of the CE ASIC 32/40bit PMU ATE Buffer, resulting in a PIO Reply Error. Signed-off-by:
Mike Habeck <habeck@sgi.com> Signed-off-by:
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Cliff Wickman authored
In SLES10 (2.6.16) crash dumping (in my experience, LKCD) is unable to capture the second page of the 2-page task/stack allocation. This is particularly troublesome for dump analysis, as the stack traceback cannot be done. (A similar convention is probably needed throughout the kernel to make kernel multi-page allocations detectable for dumping) Multi-page kernel allocations are represented by the single page structure associated with the first page of the allocation. The page structures associated with the other pages are unintialized. If the dumper is selecting only kernel pages it has no way to identify any but the first page of the allocation. The fix is to make the task/stack allocation a compound page. Signed-off-by:
Cliff Wickman <cpw@sgi.com> Signed-off-by:
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Jack Steiner authored
MPI programs using certain debug options have a long startup time. This was traced to a "vmalloc/vfree" in the code that reads /proc/sgi_sn/sn_topology. On large systems, vfree requires an IPI to all cpus to do TLB purging. Replace the vmalloc/vfree with kmalloc/kfree. Although the size of the structure being allocated is unknown, it will not not exceed 96 bytes. Signed-off-by:
Jack Steiner <steiner@sgi.com> Signed-off-by:
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Jack Steiner authored
Fix a bug that causes discovery of the nearest node/cpu to a TIO (IO node) to fail. Signed-off-by:
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: [PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges [PATCH] PCI: fix potential resource leak in drivers/pci/msi.c [PATCH] PCI: Documentation: no more device ids [PATCH] PCI: fix via irq SATA patch
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: [PATCH] USB: ftdi_sio: add support for ASK RDR 400 series card reader [PATCH] USB: ftdi_sio: Adds support for iPlus device. [PATCH] USB: ftdi_sio vendor code for RR-CirKits LocoBuffer USB [PATCH] USB: Use new PCI_CLASS_SERIAL_USB_* defines [PATCH] USB: net2280: set driver data before it is used [PATCH] USB: net2280: check for shared IRQs [PATCH] USB: net2280: send 0-length packets for ep0 [PATCH] USB: net2280: Handle STALLs for 0-length control-IN requests [PATCH] USB: storage: atmel unusual dev update [PATCH] USB: Storage: unusual devs update [PATCH] USB: add new iTegno usb CDMA 1x card support for pl2303 [PATCH] USB: Resource leak fix for whiteheat driver
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: [PATCH] Added URI of "linux kernel development process" [PATCH] Kobject: possible cleanups [PATCH] Fix OCFS2 warning when DEBUG_FS is not enabled [PATCH] Kobject: fix build error [PATCH] Frame buffer: remove cmap sysfs interface
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